File size: 41,380 Bytes
210dbc1 4341af6 7615e82 f34cd1e 4ec3a84 f34cd1e 4341af6 35cc128 1d87ddd 35cc128 4341af6 e54e212 4341af6 e54e212 4341af6 e54e212 c55a9e6 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 | <!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Linkheft: Domain Authority Checker (free, open data)</title>
<meta name="description" content="Free domain authority checker: 0-100 authority score, rank among 133M domains, 4-month trend and referring subnets, from Common Crawl and Majestic open data.">
<style>
:root{--bg:#fbfaf7;--fg:#1d1d1f;--mut:#6b6b70;--card:#fff;--line:#e6e3dc;--acc:#0f766e;--up:#15803d;--down:#b91c1c}
@media (prefers-color-scheme:dark){:root{--bg:#121214;--fg:#ececf0;--mut:#9a9aa3;--card:#1b1b1f;--line:#2c2c33;--acc:#2dd4bf;--up:#4ade80;--down:#f87171}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
main{max-width:1000px;margin:0 auto;padding:24px 16px 48px}h1{font-size:1.7rem;margin:.2em 0}h2{font-size:1.15rem;margin:1.6em 0 .5em}
.mut{color:var(--mut)}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin:12px 0}
.cta{display:inline-block;background:var(--acc);color:#fff;padding:9px 14px;border-radius:9px;text-decoration:none;font-weight:600}
@media (prefers-color-scheme:dark){.cta{color:#062a26}}
form{display:flex;gap:8px;flex-wrap:wrap}input{flex:1;min-width:200px;padding:10px;border:1px solid var(--line);border-radius:9px;background:var(--bg);color:var(--fg);font-size:15px}
button{padding:10px 16px;border:0;border-radius:9px;background:var(--acc);color:#fff;font-weight:600;cursor:pointer}
.big{font-size:2.4rem;font-weight:700;line-height:1}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:10px}
.grid div{border:1px solid var(--line);border-radius:9px;padding:8px 10px}.grid b{display:block;font-size:1.05rem}
.tbl{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{color:var(--mut);font-weight:600}td.n{text-align:right;font-variant-numeric:tabular-nums}.up{color:var(--up)}.down{color:var(--down)}
.bar{display:inline-block;height:8px;border-radius:4px;background:var(--acc);vertical-align:middle;margin-right:6px}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}.two>*,.card,.tbl{min-width:0}@media(max-width:700px){.two{grid-template-columns:minmax(0,1fr)}}
footer{margin-top:32px;font-size:13px}
</style>
<!-- cm:studio-meta --><meta property="og:image" content="https://cybermax-tools-cybermax.static.hf.space/brand/domain-authority/og.png"><meta property="og:image:width" content="1200"><meta property="og:image:height" content="630"><meta name="twitter:card" content="summary_large_image"><meta name="twitter:image" content="https://cybermax-tools-cybermax.static.hf.space/brand/domain-authority/og.png"><link rel="icon" type="image/png" href="https://cybermax-tools-cybermax.static.hf.space/brand/domain-authority/icon.png"><!-- /cm:studio-meta -->
</head>
<body><!-- cm:banner -->
<div style="display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;max-width:980px;margin:12px auto;padding:14px 16px;border-radius:14px;background:#0f172a;color:#f8fafc;font:15px/1.4 system-ui,-apple-system,Segoe UI,sans-serif;box-sizing:border-box">
<img src="https://cybermax-tools-cybermax.static.hf.space/icons/domain-authority.png" alt="Linkheft" width="52" height="52" style="border-radius:12px;flex:none">
<div style="flex:1 1 240px;min-width:0"><div style="font-weight:700;font-size:17px">Linkheft: Know how big any website is, in bulk</div>
<div style="color:#cbd5e1;font-size:14px">This page is a free sample. Run it on your own list: $0.002 per ranked domain, unranked domains free (1,000 domains = $2).</div></div>
<a href="https://console.apify.com/actors/wzTdP713JZTD8DQCv/input" style="flex:none;background:#38bdf8;color:#0f172a;font-weight:700;text-decoration:none;padding:10px 16px;border-radius:10px">▶ Try it with a prefilled input</a>
</div>
<!-- /cm:banner -->
<!-- cybermax-bridge:start --><div style="max-width:960px;margin:8px auto;padding:8px 14px;border:1px solid rgba(127,127,127,.35);border-radius:10px;font:14px/1.5 system-ui,sans-serif"><b>Score your own domain list on the latest release, by API: $5 for 25,000 lookups.</b> <a href="https://data.cybermax-tools.workers.dev/buy/linkheft-api-pack?s=sp-open-domain-ranks-top" target="_blank" rel="noopener" style="color:inherit;font-weight:700">Buy now →</a><br><b>Need it fresh, filtered or via API?</b> This demo shows a free snapshot, last updated 2026-10-03. <a href="https://data.cybermax-tools.workers.dev/buy/linkheft-api-pack?s=sp-open-domain-ranks" target="_blank" rel="noopener" style="color:inherit;font-weight:600">Linkheft API $5 pack</a> ($5 for 25,000 domain lookups, never expires) · <a href="https://data.cybermax-tools.workers.dev/buy/linkheft-api?s=sp-open-domain-ranks" target="_blank" rel="noopener" style="color:inherit;font-weight:600">Linkheft domain authority API</a> (1,000 free domain lookups a day, $5 for 25,000 (no expiry, no subscription), or $19/month for 100,000) · <a href="https://data.cybermax-tools.workers.dev/buy/linkheft?s=sp-open-domain-ranks" target="_blank" rel="noopener" style="color:inherit;font-weight:600">Linkheft on Apify</a> ($0.002 per domain ranked) · <a href="https://data.cybermax-tools.workers.dev/buy/domaindna-api-pack?s=sp-open-domain-ranks" target="_blank" rel="noopener" style="color:inherit;font-weight:600">DomainDNA API $5 pack</a> ($5 for 1,000 domain checks, never expires) · <a href="https://data.cybermax-tools.workers.dev/buy/domaindna?s=sp-open-domain-ranks" target="_blank" rel="noopener" style="color:inherit;font-weight:600">DomainDNA domain intel API (card checkout)</a> (25 free domains a day, $5 for 1,000 (no expiry, no subscription), or $19/month for 5,000) · <a href="https://data.cybermax-tools.workers.dev/buy/domaindna-apify?s=sp-open-domain-ranks" target="_blank" rel="noopener" style="color:inherit;font-weight:600">DomainDNA on Apify</a> ($0.004 per domain analyzed) · <a href="https://data.cybermax-tools.workers.dev/notify?ds=open-domain-ranks&s=sp-open-domain-ranks" target="_blank" rel="noopener" style="color:inherit">email me when the data updates</a></div><!-- cybermax-bridge:end --><main>
<h1>Linkheft: free domain authority checker</h1>
<p class="mut">A 0–100 authority score, the domain's rank among <b>133,241,980</b> domains in the Common Crawl web graph, a 4-month trend and referring subnets. Open data, no sign-up.</p>
<div class="card">
<form id="f"><input id="q" placeholder="Any domain or URL, e.g. stripe.com" autocomplete="off" aria-label="Domain"><button>Check authority</button></form>
<div id="out" class="mut" style="margin-top:10px">Looks the domain up live in the free <a href="https://huggingface.co/datasets/CyberMax-tools/open-domain-ranks">Linkheft Open Domain Ranks</a> dataset (one ~800 KB file).</div>
</div>
<p><a class="cta" href="https://apify.com/cybermax/domain-authority">Check thousands of domains at once, or from your AI agent (MCP) →</a><br><span class="mut">Linkheft on Apify: $0.002 per ranked domain, unranked domains free, CSV/JSON/Excel.</span></p>
<div class="two">
<div class="card"><h2 style="margin-top:0">Biggest risers (4 months)</h2><div class="tbl"><table><tr><td><b>replicate.com</b></td><td class="n">470,225 → 3,541</td><td><span class="up">rising +99.2%</span></td></tr>
<tr><td><b>together.ai</b></td><td class="n">473,521 → 11,164</td><td><span class="up">rising +97.6%</span></td></tr>
<tr><td><b>intercom.com</b></td><td class="n">15,047 → 1,217</td><td><span class="up">rising +91.9%</span></td></tr>
<tr><td><b>bubble.io</b></td><td class="n">4,571 → 614</td><td><span class="up">rising +86.6%</span></td></tr>
<tr><td><b>squarespace.com</b></td><td class="n">293 → 55</td><td><span class="up">rising +81.2%</span></td></tr>
<tr><td><b>postgresql.org</b></td><td class="n">772 → 238</td><td><span class="up">rising +69.2%</span></td></tr>
<tr><td><b>calendly.com</b></td><td class="n">357 → 118</td><td><span class="up">rising +66.9%</span></td></tr>
<tr><td><b>square.com</b></td><td class="n">64,551 → 31,927</td><td><span class="up">rising +50.5%</span></td></tr></table></div></div>
<div class="card"><h2 style="margin-top:0">Biggest fallers (4 months)</h2><div class="tbl"><table><tr><td><b>paddle.com</b></td><td class="n">3,574 → 386,456</td><td><span class="down">falling -99.1%</span></td></tr>
<tr><td><b>fly.io</b></td><td class="n">6,377 → 387,363</td><td><span class="down">falling -98.4%</span></td></tr>
<tr><td><b>duolingo.com</b></td><td class="n">318 → 2,006</td><td><span class="down">falling -84.1%</span></td></tr>
<tr><td><b>zoom.us</b></td><td class="n">67 → 193</td><td><span class="down">falling -65.3%</span></td></tr>
<tr><td><b>redis.io</b></td><td class="n">579 → 1,580</td><td><span class="down">falling -63.4%</span></td></tr>
<tr><td><b>coda.io</b></td><td class="n">1,936 → 5,238</td><td><span class="down">falling -63%</span></td></tr>
<tr><td><b>framer.com</b></td><td class="n">2,803 → 6,238</td><td><span class="down">falling -55.1%</span></td></tr>
<tr><td><b>zapier.com</b></td><td class="n">297 → 586</td><td><span class="down">falling -49.3%</span></td></tr></table></div></div>
</div>
<h2>Authority of 117 well-known SaaS, AI and developer sites</h2>
<div class="tbl"><table><tr><th>#</th><th>Domain</th><th>Authority</th><th>Tier</th><th>Web rank</th><th>4-mo trend</th><th>Referring subnets</th></tr>
<tr><td class="n">1</td><td><b>cloudflare.com</b></td><td><span class="bar" style="width:70px"></span>87</td><td>top 100</td><td class="n">11</td><td>stable 0%</td><td class="n">44,397</td></tr>
<tr><td class="n">2</td><td><b>wordpress.org</b></td><td><span class="bar" style="width:67px"></span>84</td><td>top 100</td><td class="n">21</td><td>stable -19%</td><td class="n">198,879</td></tr>
<tr><td class="n">3</td><td><b>github.com</b></td><td><span class="bar" style="width:66px"></span>83</td><td>top 100</td><td class="n">26</td><td>stable +13.3%</td><td class="n">255,082</td></tr>
<tr><td class="n">4</td><td><b>spotify.com</b></td><td><span class="bar" style="width:66px"></span>82</td><td>top 100</td><td class="n">29</td><td><span class="up">rising +25.6%</span></td><td class="n">101,882</td></tr>
<tr><td class="n">5</td><td><b>wordpress.com</b></td><td><span class="bar" style="width:65px"></span>81</td><td>top 100</td><td class="n">32</td><td>stable -15.6%</td><td class="n">131,347</td></tr>
<tr><td class="n">6</td><td><b>shopify.com</b></td><td><span class="bar" style="width:64px"></span>80</td><td>top 100</td><td class="n">39</td><td>stable +11.4%</td><td class="n">66,893</td></tr>
<tr><td class="n">7</td><td><b>medium.com</b></td><td><span class="bar" style="width:63px"></span>79</td><td>top 100</td><td class="n">47</td><td>stable -8.5%</td><td class="n">83,300</td></tr>
<tr><td class="n">8</td><td><b>reddit.com</b></td><td><span class="bar" style="width:63px"></span>79</td><td>top 100</td><td class="n">48</td><td>stable -6.2%</td><td class="n">105,577</td></tr>
<tr><td class="n">9</td><td><b>dropbox.com</b></td><td><span class="bar" style="width:63px"></span>79</td><td>top 100</td><td class="n">49</td><td>stable +16.9%</td><td class="n">66,499</td></tr>
<tr><td class="n">10</td><td><b>squarespace.com</b></td><td><span class="bar" style="width:63px"></span>79</td><td>top 100</td><td class="n">55</td><td><span class="up">rising +81.2%</span></td><td class="n">40,762</td></tr>
<tr><td class="n">11</td><td><b>paypal.com</b></td><td><span class="bar" style="width:62px"></span>78</td><td>top 100</td><td class="n">56</td><td>stable -7.1%</td><td class="n">72,863</td></tr>
<tr><td class="n">12</td><td><b>stripe.com</b></td><td><span class="bar" style="width:62px"></span>78</td><td>top 100</td><td class="n">64</td><td>stable -1.6%</td><td class="n">51,463</td></tr>
<tr><td class="n">13</td><td><b>openai.com</b></td><td><span class="bar" style="width:61px"></span>76</td><td>top 100</td><td class="n">84</td><td>stable +14.3%</td><td class="n">53,508</td></tr>
<tr><td class="n">14</td><td><b>mailchimp.com</b></td><td><span class="bar" style="width:61px"></span>76</td><td>top 100</td><td class="n">93</td><td>stable +15.5%</td><td class="n">36,782</td></tr>
<tr><td class="n">15</td><td><b>stackoverflow.com</b></td><td><span class="bar" style="width:60px"></span>75</td><td>top 100</td><td class="n">99</td><td><span class="up">rising +47.1%</span></td><td class="n">42,863</td></tr>
<tr><td class="n">16</td><td><b>substack.com</b></td><td><span class="bar" style="width:60px"></span>75</td><td>top 1,000</td><td class="n">115</td><td>stable -11.3%</td><td class="n">46,064</td></tr>
<tr><td class="n">17</td><td><b>calendly.com</b></td><td><span class="bar" style="width:59px"></span>74</td><td>top 1,000</td><td class="n">118</td><td><span class="up">rising +66.9%</span></td><td class="n">52,216</td></tr>
<tr><td class="n">18</td><td><b>slack.com</b></td><td><span class="bar" style="width:59px"></span>74</td><td>top 1,000</td><td class="n">137</td><td>stable -8%</td><td class="n">25,755</td></tr>
<tr><td class="n">19</td><td><b>claude.ai</b></td><td><span class="bar" style="width:58px"></span>73</td><td>top 1,000</td><td class="n">147</td><td><span class="up">rising +21.8%</span></td><td class="n">19,457</td></tr>
<tr><td class="n">20</td><td><b>box.com</b></td><td><span class="bar" style="width:58px"></span>73</td><td>top 1,000</td><td class="n">168</td><td>stable -1.8%</td><td class="n">22,525</td></tr>
<tr><td class="n">21</td><td><b>wix.com</b></td><td><span class="bar" style="width:58px"></span>72</td><td>top 1,000</td><td class="n">189</td><td><span class="down">falling -22.2%</span></td><td class="n">37,188</td></tr>
<tr><td class="n">22</td><td><b>zoom.us</b></td><td><span class="bar" style="width:58px"></span>72</td><td>top 1,000</td><td class="n">193</td><td><span class="down">falling -65.3%</span></td><td class="n">75,513</td></tr>
<tr><td class="n">23</td><td><b>webflow.com</b></td><td><span class="bar" style="width:58px"></span>72</td><td>top 1,000</td><td class="n">206</td><td><span class="down">falling -20.4%</span></td><td class="n">11,745</td></tr>
<tr><td class="n">24</td><td><b>postgresql.org</b></td><td><span class="bar" style="width:57px"></span>71</td><td>top 1,000</td><td class="n">238</td><td><span class="up">rising +69.2%</span></td><td class="n">29,079</td></tr>
<tr><td class="n">25</td><td><b>perplexity.ai</b></td><td><span class="bar" style="width:57px"></span>71</td><td>top 1,000</td><td class="n">240</td><td><span class="down">falling -23.3%</span></td><td class="n">16,697</td></tr>
<tr><td class="n">26</td><td><b>canva.com</b></td><td><span class="bar" style="width:57px"></span>71</td><td>top 1,000</td><td class="n">243</td><td>stable +4%</td><td class="n">46,311</td></tr>
<tr><td class="n">27</td><td><b>hubspot.com</b></td><td><span class="bar" style="width:56px"></span>70</td><td>top 1,000</td><td class="n">277</td><td>stable -19.5%</td><td class="n">41,084</td></tr>
<tr><td class="n">28</td><td><b>zendesk.com</b></td><td><span class="bar" style="width:55px"></span>69</td><td>top 1,000</td><td class="n">303</td><td>stable -8.9%</td><td class="n">39,195</td></tr>
<tr><td class="n">29</td><td><b>salesforce.com</b></td><td><span class="bar" style="width:55px"></span>69</td><td>top 1,000</td><td class="n">316</td><td>stable -13.9%</td><td class="n">30,840</td></tr>
<tr><td class="n">30</td><td><b>elastic.co</b></td><td><span class="bar" style="width:55px"></span>69</td><td>top 1,000</td><td class="n">333</td><td><span class="down">falling -21%</span></td><td class="n">11,474</td></tr>
<tr><td class="n">31</td><td><b>gitlab.com</b></td><td><span class="bar" style="width:55px"></span>69</td><td>top 1,000</td><td class="n">347</td><td><span class="down">falling -26.2%</span></td><td class="n">47,922</td></tr>
<tr><td class="n">32</td><td><b>netflix.com</b></td><td><span class="bar" style="width:54px"></span>68</td><td>top 1,000</td><td class="n">392</td><td>stable -3.3%</td><td class="n">34,924</td></tr>
<tr><td class="n">33</td><td><b>discord.com</b></td><td><span class="bar" style="width:54px"></span>68</td><td>top 1,000</td><td class="n">424</td><td>stable -16.3%</td><td class="n">58,989</td></tr>
<tr><td class="n">34</td><td><b>figma.com</b></td><td><span class="bar" style="width:54px"></span>68</td><td>top 1,000</td><td class="n">433</td><td>stable -15.9%</td><td class="n">17,241</td></tr>
<tr><td class="n">35</td><td><b>atlassian.com</b></td><td><span class="bar" style="width:54px"></span>67</td><td>top 1,000</td><td class="n">478</td><td>stable -12.3%</td><td class="n">24,180</td></tr>
<tr><td class="n">36</td><td><b>trello.com</b></td><td><span class="bar" style="width:54px"></span>67</td><td>top 1,000</td><td class="n">493</td><td>stable -15.2%</td><td class="n">21,192</td></tr>
<tr><td class="n">37</td><td><b>chatgpt.com</b></td><td><span class="bar" style="width:53px"></span>66</td><td>top 1,000</td><td class="n">537</td><td>stable +10.6%</td><td class="n">40,081</td></tr>
<tr><td class="n">38</td><td><b>ycombinator.com</b></td><td><span class="bar" style="width:53px"></span>66</td><td>top 1,000</td><td class="n">576</td><td>stable +0.7%</td><td class="n">19,837</td></tr>
<tr><td class="n">39</td><td><b>anthropic.com</b></td><td><span class="bar" style="width:53px"></span>66</td><td>top 1,000</td><td class="n">585</td><td>stable -16.1%</td><td class="n">24,118</td></tr>
<tr><td class="n">40</td><td><b>zapier.com</b></td><td><span class="bar" style="width:53px"></span>66</td><td>top 1,000</td><td class="n">586</td><td><span class="down">falling -49.3%</span></td><td class="n">15,898</td></tr>
<tr><td class="n">41</td><td><b>semrush.com</b></td><td><span class="bar" style="width:53px"></span>66</td><td>top 1,000</td><td class="n">593</td><td><span class="up">rising +42.8%</span></td><td class="n">20,499</td></tr>
<tr><td class="n">42</td><td><b>bubble.io</b></td><td><span class="bar" style="width:53px"></span>66</td><td>top 1,000</td><td class="n">614</td><td><span class="up">rising +86.6%</span></td><td class="n">3,945</td></tr>
<tr><td class="n">43</td><td><b>huggingface.co</b></td><td><span class="bar" style="width:53px"></span>66</td><td>top 1,000</td><td class="n">627</td><td>stable -15%</td><td class="n">23,820</td></tr>
<tr><td class="n">44</td><td><b>bitbucket.org</b></td><td><span class="bar" style="width:52px"></span>65</td><td>top 1,000</td><td class="n">643</td><td>stable -10.3%</td><td class="n">17,363</td></tr>
<tr><td class="n">45</td><td><b>twilio.com</b></td><td><span class="bar" style="width:52px"></span>65</td><td>top 1,000</td><td class="n">686</td><td>stable -9.5%</td><td class="n">10,727</td></tr>
<tr><td class="n">46</td><td><b>ahrefs.com</b></td><td><span class="bar" style="width:52px"></span>65</td><td>top 1,000</td><td class="n">717</td><td>stable -5.7%</td><td class="n">17,227</td></tr>
<tr><td class="n">47</td><td><b>airtable.com</b></td><td><span class="bar" style="width:52px"></span>65</td><td>top 1,000</td><td class="n">743</td><td>stable +6.7%</td><td class="n">14,501</td></tr>
<tr><td class="n">48</td><td><b>monday.com</b></td><td><span class="bar" style="width:52px"></span>65</td><td>top 1,000</td><td class="n">751</td><td><span class="up">rising +47.2%</span></td><td class="n">12,851</td></tr>
<tr><td class="n">49</td><td><b>dev.to</b></td><td><span class="bar" style="width:51px"></span>64</td><td>top 1,000</td><td class="n">797</td><td>stable +14%</td><td class="n">14,796</td></tr>
<tr><td class="n">50</td><td><b>moz.com</b></td><td><span class="bar" style="width:51px"></span>64</td><td>top 1,000</td><td class="n">802</td><td>stable -4.2%</td><td class="n">18,196</td></tr>
<tr><td class="n">51</td><td><b>notion.so</b></td><td><span class="bar" style="width:51px"></span>64</td><td>top 1,000</td><td class="n">810</td><td>stable +4.6%</td><td class="n">18,243</td></tr>
<tr><td class="n">52</td><td><b>asana.com</b></td><td><span class="bar" style="width:51px"></span>64</td><td>top 1,000</td><td class="n">837</td><td>stable -2.9%</td><td class="n">14,239</td></tr>
<tr><td class="n">53</td><td><b>grammarly.com</b></td><td><span class="bar" style="width:51px"></span>64</td><td>top 1,000</td><td class="n">875</td><td>stable -3.2%</td><td class="n">14,176</td></tr>
<tr><td class="n">54</td><td><b>bigcommerce.com</b></td><td><span class="bar" style="width:51px"></span>64</td><td>top 1,000</td><td class="n">886</td><td>stable -0.3%</td><td class="n">9,624</td></tr>
<tr><td class="n">55</td><td><b>miro.com</b></td><td><span class="bar" style="width:51px"></span>64</td><td>top 1,000</td><td class="n">903</td><td><span class="up">rising +34.8%</span></td><td class="n">11,807</td></tr>
<tr><td class="n">56</td><td><b>producthunt.com</b></td><td><span class="bar" style="width:51px"></span>64</td><td>top 1,000</td><td class="n">915</td><td>stable -0.7%</td><td class="n">12,975</td></tr>
<tr><td class="n">57</td><td><b>netlify.com</b></td><td><span class="bar" style="width:50px"></span>63</td><td>top 1,000</td><td class="n">972</td><td><span class="up">rising +40.9%</span></td><td class="n">7,566</td></tr>
<tr><td class="n">58</td><td><b>woocommerce.com</b></td><td><span class="bar" style="width:50px"></span>63</td><td>top 1,000</td><td class="n">980</td><td>stable -4.5%</td><td class="n">20,268</td></tr>
<tr><td class="n">59</td><td><b>segment.com</b></td><td><span class="bar" style="width:50px"></span>63</td><td>top 10,000</td><td class="n">1,094</td><td>stable -16.1%</td><td class="n">3,611</td></tr>
<tr><td class="n">60</td><td><b>cursor.com</b></td><td><span class="bar" style="width:50px"></span>63</td><td>top 10,000</td><td class="n">1,109</td><td>stable +6.4%</td><td class="n">9,605</td></tr>
<tr><td class="n">61</td><td><b>digitalocean.com</b></td><td><span class="bar" style="width:50px"></span>62</td><td>top 10,000</td><td class="n">1,149</td><td>stable +12%</td><td class="n">19,819</td></tr>
<tr><td class="n">62</td><td><b>freshworks.com</b></td><td><span class="bar" style="width:50px"></span>62</td><td>top 10,000</td><td class="n">1,205</td><td><span class="up">rising +28.6%</span></td><td class="n">7,349</td></tr>
<tr><td class="n">63</td><td><b>intercom.com</b></td><td><span class="bar" style="width:50px"></span>62</td><td>top 10,000</td><td class="n">1,217</td><td><span class="up">rising +91.9%</span></td><td class="n">8,386</td></tr>
<tr><td class="n">64</td><td><b>loom.com</b></td><td><span class="bar" style="width:50px"></span>62</td><td>top 10,000</td><td class="n">1,274</td><td><span class="up">rising +21.4%</span></td><td class="n">9,585</td></tr>
<tr><td class="n">65</td><td><b>auth0.com</b></td><td><span class="bar" style="width:50px"></span>62</td><td>top 10,000</td><td class="n">1,284</td><td><span class="down">falling -22.7%</span></td><td class="n">8,315</td></tr>
<tr><td class="n">66</td><td><b>similarweb.com</b></td><td><span class="bar" style="width:50px"></span>62</td><td>top 10,000</td><td class="n">1,324</td><td>stable +6.3%</td><td class="n">10,295</td></tr>
<tr><td class="n">67</td><td><b>gumroad.com</b></td><td><span class="bar" style="width:49px"></span>61</td><td>top 10,000</td><td class="n">1,350</td><td>stable -13%</td><td class="n">16,617</td></tr>
<tr><td class="n">68</td><td><b>okta.com</b></td><td><span class="bar" style="width:49px"></span>61</td><td>top 10,000</td><td class="n">1,360</td><td>stable -11.6%</td><td class="n">9,067</td></tr>
<tr><td class="n">69</td><td><b>ghost.org</b></td><td><span class="bar" style="width:49px"></span>61</td><td>top 10,000</td><td class="n">1,497</td><td>stable -6.3%</td><td class="n">14,508</td></tr>
<tr><td class="n">70</td><td><b>sendgrid.com</b></td><td><span class="bar" style="width:49px"></span>61</td><td>top 10,000</td><td class="n">1,529</td><td>stable -5.8%</td><td class="n">4,971</td></tr>
<tr><td class="n">71</td><td><b>redis.io</b></td><td><span class="bar" style="width:49px"></span>61</td><td>top 10,000</td><td class="n">1,580</td><td><span class="down">falling -63.4%</span></td><td class="n">17,185</td></tr>
<tr><td class="n">72</td><td><b>pipedrive.com</b></td><td><span class="bar" style="width:48px"></span>60</td><td>top 10,000</td><td class="n">1,791</td><td><span class="down">falling -37.1%</span></td><td class="n">6,013</td></tr>
<tr><td class="n">73</td><td><b>heroku.com</b></td><td><span class="bar" style="width:48px"></span>60</td><td>top 10,000</td><td class="n">1,813</td><td>stable -15.8%</td><td class="n">6,432</td></tr>
<tr><td class="n">74</td><td><b>elevenlabs.io</b></td><td><span class="bar" style="width:48px"></span>60</td><td>top 10,000</td><td class="n">1,829</td><td>stable -7.1%</td><td class="n">8,341</td></tr>
<tr><td class="n">75</td><td><b>midjourney.com</b></td><td><span class="bar" style="width:48px"></span>60</td><td>top 10,000</td><td class="n">1,839</td><td><span class="down">falling -20.3%</span></td><td class="n">11,385</td></tr>
<tr><td class="n">76</td><td><b>deepseek.com</b></td><td><span class="bar" style="width:48px"></span>60</td><td>top 10,000</td><td class="n">1,842</td><td>stable -6.4%</td><td class="n">14,242</td></tr>
<tr><td class="n">77</td><td><b>clickup.com</b></td><td><span class="bar" style="width:48px"></span>60</td><td>top 10,000</td><td class="n">1,908</td><td>stable -2.6%</td><td class="n">9,141</td></tr>
<tr><td class="n">78</td><td><b>vercel.com</b></td><td><span class="bar" style="width:48px"></span>60</td><td>top 10,000</td><td class="n">1,911</td><td>stable -7.5%</td><td class="n">10,532</td></tr>
<tr><td class="n">79</td><td><b>mixpanel.com</b></td><td><span class="bar" style="width:48px"></span>60</td><td>top 10,000</td><td class="n">1,932</td><td><span class="down">falling -46.7%</span></td><td class="n">6,601</td></tr>
<tr><td class="n">80</td><td><b>datadoghq.com</b></td><td><span class="bar" style="width:47px"></span>59</td><td>top 10,000</td><td class="n">1,955</td><td>stable -18%</td><td class="n">6,121</td></tr>
<tr><td class="n">81</td><td><b>duolingo.com</b></td><td><span class="bar" style="width:47px"></span>59</td><td>top 10,000</td><td class="n">2,006</td><td><span class="down">falling -84.1%</span></td><td class="n">13,831</td></tr>
<tr><td class="n">82</td><td><b>sentry.io</b></td><td><span class="bar" style="width:47px"></span>59</td><td>top 10,000</td><td class="n">2,019</td><td><span class="down">falling -24.9%</span></td><td class="n">7,020</td></tr>
<tr><td class="n">83</td><td><b>1password.com</b></td><td><span class="bar" style="width:47px"></span>59</td><td>top 10,000</td><td class="n">2,020</td><td><span class="down">falling -35.9%</span></td><td class="n">7,634</td></tr>
<tr><td class="n">84</td><td><b>mistral.ai</b></td><td><span class="bar" style="width:47px"></span>59</td><td>top 10,000</td><td class="n">2,046</td><td>stable -8.9%</td><td class="n">8,129</td></tr>
<tr><td class="n">85</td><td><b>docusign.com</b></td><td><span class="bar" style="width:47px"></span>59</td><td>top 10,000</td><td class="n">2,061</td><td>stable 0%</td><td class="n">5,655</td></tr>
<tr><td class="n">86</td><td><b>runwayml.com</b></td><td><span class="bar" style="width:47px"></span>59</td><td>top 10,000</td><td class="n">2,079</td><td>stable -17.7%</td><td class="n">7,438</td></tr>
<tr><td class="n">87</td><td><b>convertkit.com</b></td><td><span class="bar" style="width:47px"></span>59</td><td>top 10,000</td><td class="n">2,087</td><td>stable -5.8%</td><td class="n">4,586</td></tr>
<tr><td class="n">88</td><td><b>mongodb.com</b></td><td><span class="bar" style="width:47px"></span>59</td><td>top 10,000</td><td class="n">2,109</td><td>stable -11.6%</td><td class="n">11,679</td></tr>
<tr><td class="n">89</td><td><b>obsidian.md</b></td><td><span class="bar" style="width:47px"></span>59</td><td>top 10,000</td><td class="n">2,184</td><td>stable +8.5%</td><td class="n">6,269</td></tr>
<tr><td class="n">90</td><td><b>databricks.com</b></td><td><span class="bar" style="width:47px"></span>59</td><td>top 10,000</td><td class="n">2,193</td><td>stable +3.6%</td><td class="n">6,812</td></tr>
<tr><td class="n">91</td><td><b>beehiiv.com</b></td><td><span class="bar" style="width:47px"></span>59</td><td>top 10,000</td><td class="n">2,231</td><td>stable -5.5%</td><td class="n">7,929</td></tr>
<tr><td class="n">92</td><td><b>n8n.io</b></td><td><span class="bar" style="width:47px"></span>59</td><td>top 10,000</td><td class="n">2,340</td><td>stable -0.8%</td><td class="n">6,968</td></tr>
<tr><td class="n">93</td><td><b>amplitude.com</b></td><td><span class="bar" style="width:46px"></span>58</td><td>top 10,000</td><td class="n">2,406</td><td>stable +5.2%</td><td class="n">3,522</td></tr>
<tr><td class="n">94</td><td><b>make.com</b></td><td><span class="bar" style="width:46px"></span>58</td><td>top 10,000</td><td class="n">2,428</td><td><span class="down">falling -32.9%</span></td><td class="n">6,210</td></tr>
<tr><td class="n">95</td><td><b>snowflake.com</b></td><td><span class="bar" style="width:46px"></span>58</td><td>top 10,000</td><td class="n">2,439</td><td><span class="up">rising +20.8%</span></td><td class="n">5,970</td></tr>
<tr><td class="n">96</td><td><b>replit.com</b></td><td><span class="bar" style="width:46px"></span>57</td><td>top 10,000</td><td class="n">2,846</td><td>stable +13%</td><td class="n">8,218</td></tr>
<tr><td class="n">97</td><td><b>character.ai</b></td><td><span class="bar" style="width:46px"></span>57</td><td>top 10,000</td><td class="n">3,176</td><td>stable -2.2%</td><td class="n">3,841</td></tr>
<tr><td class="n">98</td><td><b>cohere.com</b></td><td><span class="bar" style="width:46px"></span>57</td><td>top 10,000</td><td class="n">3,419</td><td>stable -15.3%</td><td class="n">3,544</td></tr>
<tr><td class="n">99</td><td><b>retool.com</b></td><td><span class="bar" style="width:45px"></span>56</td><td>top 10,000</td><td class="n">3,526</td><td><span class="up">rising +26.3%</span></td><td class="n">2,596</td></tr>
<tr><td class="n">100</td><td><b>render.com</b></td><td><span class="bar" style="width:45px"></span>56</td><td>top 10,000</td><td class="n">3,528</td><td><span class="up">rising +43.9%</span></td><td class="n">2,572</td></tr>
<tr><td class="n">101</td><td><b>replicate.com</b></td><td><span class="bar" style="width:45px"></span>56</td><td>top 10,000</td><td class="n">3,541</td><td><span class="up">rising +99.2%</span></td><td class="n">3,337</td></tr>
<tr><td class="n">102</td><td><b>posthog.com</b></td><td><span class="bar" style="width:45px"></span>56</td><td>top 10,000</td><td class="n">4,089</td><td><span class="up">rising +25.5%</span></td><td class="n">3,617</td></tr>
<tr><td class="n">103</td><td><b>linear.app</b></td><td><span class="bar" style="width:44px"></span>55</td><td>top 10,000</td><td class="n">4,134</td><td><span class="up">rising +43.3%</span></td><td class="n">2,641</td></tr>
<tr><td class="n">104</td><td><b>coda.io</b></td><td><span class="bar" style="width:43px"></span>54</td><td>top 10,000</td><td class="n">5,238</td><td><span class="down">falling -63%</span></td><td class="n">3,127</td></tr>
<tr><td class="n">105</td><td><b>apify.com</b></td><td><span class="bar" style="width:43px"></span>54</td><td>top 10,000</td><td class="n">5,287</td><td><span class="up">rising +44.4%</span></td><td class="n">2,542</td></tr>
<tr><td class="n">106</td><td><b>framer.com</b></td><td><span class="bar" style="width:42px"></span>53</td><td>top 10,000</td><td class="n">6,238</td><td><span class="down">falling -55.1%</span></td><td class="n">4,882</td></tr>
<tr><td class="n">107</td><td><b>hashnode.com</b></td><td><span class="bar" style="width:42px"></span>53</td><td>top 10,000</td><td class="n">6,901</td><td><span class="up">rising +34.4%</span></td><td class="n">4,943</td></tr>
<tr><td class="n">108</td><td><b>lemonsqueezy.com</b></td><td><span class="bar" style="width:42px"></span>53</td><td>top 10,000</td><td class="n">7,014</td><td>stable +2.4%</td><td class="n">3,032</td></tr>
<tr><td class="n">109</td><td><b>groq.com</b></td><td><span class="bar" style="width:41px"></span>51</td><td>top 10,000</td><td class="n">9,796</td><td>stable -5%</td><td class="n">3,228</td></tr>
<tr><td class="n">110</td><td><b>railway.app</b></td><td><span class="bar" style="width:41px"></span>51</td><td>top 100,000</td><td class="n">10,406</td><td><span class="down">falling -38%</span></td><td class="n">3,561</td></tr>
<tr><td class="n">111</td><td><b>together.ai</b></td><td><span class="bar" style="width:40px"></span>50</td><td>top 100,000</td><td class="n">11,164</td><td><span class="up">rising +97.6%</span></td><td class="n">2,213</td></tr>
<tr><td class="n">112</td><td><b>jira.com</b></td><td><span class="bar" style="width:38px"></span>47</td><td>top 100,000</td><td class="n">22,175</td><td><span class="down">falling -23.3%</span></td><td class="n">1,151</td></tr>
<tr><td class="n">113</td><td><b>square.com</b></td><td><span class="bar" style="width:36px"></span>45</td><td>top 100,000</td><td class="n">31,927</td><td><span class="up">rising +50.5%</span></td><td class="n">791</td></tr>
<tr><td class="n">114</td><td><b>supabase.com</b></td><td><span class="bar" style="width:25px"></span>31</td><td>top 1,000,000</td><td class="n">385,919</td><td>stable +17.9%</td><td class="n">5,387</td></tr>
<tr><td class="n">115</td><td><b>paddle.com</b></td><td><span class="bar" style="width:25px"></span>31</td><td>top 1,000,000</td><td class="n">386,456</td><td><span class="down">falling -99.1%</span></td><td class="n">4,697</td></tr>
<tr><td class="n">116</td><td><b>fly.io</b></td><td><span class="bar" style="width:25px"></span>31</td><td>top 1,000,000</td><td class="n">387,363</td><td><span class="down">falling -98.4%</span></td><td class="n">2,589</td></tr>
<tr><td class="n">117</td><td><b>resend.com</b></td><td><span class="bar" style="width:25px"></span>31</td><td>top 1,000,000</td><td class="n">387,891</td><td>stable +17.6%</td><td class="n">3,763</td></tr>
</table></div>
<footer class="mut">
<p><b>How it works:</b> authority = round(100 × (1 − log10(rank) / log10(total domains))), where rank is the domain's harmonic-centrality position in the Common Crawl web graph (cc-main-2026-jul-aug-sep); trend compares it with cc-main-2026-mar-apr-may. This is an open score, not Moz DA or Ahrefs DR.</p>
<p>Data: Common Crawl Web Graph (commoncrawl.org); Majestic Million by Majestic-12 Ltd, CC BY 3.0. Snapshot built 2026-09-23 19:54 UTC. Raw data: <a href="latest.json">latest.json</a>. Made by CyberMax.</p>
</footer>
</main>
<script>
// Tiny MD5 (RFC 1321) for the browser lookup box: shard key = md5(domain).hex[:2]. Tested against node:crypto.
function md5hex(str) {
const b = new TextEncoder().encode(str);
const n = ((b.length + 8) >> 6) + 1;
const w = new Uint32Array(n * 16);
for (let i = 0; i < b.length; i++) w[i >> 2] |= b[i] << ((i % 4) * 8);
w[b.length >> 2] |= 0x80 << ((b.length % 4) * 8);
w[n * 16 - 2] = b.length * 8;
const K = []; for (let i = 0; i < 64; i++) K[i] = Math.floor(Math.abs(Math.sin(i + 1)) * 2 ** 32) >>> 0;
const S = [7, 12, 17, 22, 5, 9, 14, 20, 4, 11, 16, 23, 6, 10, 15, 21];
let a0 = 0x67452301, b0 = 0xefcdab89, c0 = 0x98badcfe, d0 = 0x10325476;
for (let o = 0; o < w.length; o += 16) {
let A = a0, B = b0, C = c0, D = d0;
for (let i = 0; i < 64; i++) {
let F, g;
if (i < 16) { F = (B & C) | (~B & D); g = i; }
else if (i < 32) { F = (D & B) | (~D & C); g = (5 * i + 1) % 16; }
else if (i < 48) { F = B ^ C ^ D; g = (3 * i + 5) % 16; }
else { F = C ^ (B | ~D); g = (7 * i) % 16; }
const t = D; D = C; C = B;
const x = (A + F + K[i] + w[o + g]) >>> 0;
const s = S[(i >> 4) * 4 + (i % 4)];
B = (B + ((x << s) | (x >>> (32 - s)))) >>> 0; A = t;
}
a0 = (a0 + A) >>> 0; b0 = (b0 + B) >>> 0; c0 = (c0 + C) >>> 0; d0 = (d0 + D) >>> 0;
}
return [a0, b0, c0, d0].map((v) => [0, 8, 16, 24].map((s) => ((v >>> s) & 255).toString(16).padStart(2, '0')).join('')).join('');
}
const DATA = 'https://huggingface.co/datasets/CyberMax-tools/open-domain-ranks/resolve/main';
const TOTAL = 133241980;
const MULTI = new Set(['co.uk','org.uk','ac.uk','gov.uk','com.au','net.au','org.au','co.nz','co.jp','ne.jp','or.jp','com.br','com.mx','com.ar','com.tr','com.cn','com.hk','com.sg','com.tw','co.in','co.za','co.kr','co.il','com.pl','com.ua','co.id','com.my','com.ph','com.vn']);
const fmt = (n) => (n == null ? '—' : Number(n).toLocaleString('en-US'));
function host(s) { s = s.trim().toLowerCase(); if (s.includes('@') && !s.includes('/')) s = s.split('@').pop(); if (!/^[a-z]+:\/\//.test(s)) s = 'http://' + s; try { return new URL(s).hostname.replace(/\.$/, '').replace(/^www\d?\./, ''); } catch { return null; } }
function reg(h) { const p = h.split('.'); if (p.length <= 2) return h; const l2 = p.slice(-2).join('.'); return MULTI.has(l2) ? p.slice(-3).join('.') : l2; }
async function row(d) {
const r = await fetch(`${DATA}/shards/${md5hex(d).slice(0, 2)}.tsv.gz`);
if (!r.ok) throw new Error('HTTP ' + r.status);
const text = await new Response(r.body.pipeThrough(new DecompressionStream('gzip'))).text();
const i = text.indexOf('\n' + d + '\t'); const j = text.startsWith(d + '\t') ? 0 : i < 0 ? -1 : i + 1;
if (j < 0) return null;
const f = text.slice(j, text.indexOf('\n', j)).split('\t').map((x) => (x === '' ? null : Number(x)));
return { cc: f[1], pr: f[2], hosts: f[3], prev: f[4], mj: f[5], sub: f[6] };
}
document.getElementById('f').onsubmit = async (e) => {
e.preventDefault();
const out = document.getElementById('out'); const h = host(document.getElementById('q').value);
if (!h || !h.includes('.')) { out.textContent = 'Enter a domain like example.com.'; return; }
out.textContent = 'Looking up ' + h + '…';
try {
let d = h, x = await row(h);
if (!x && reg(h) !== h) { d = reg(h); x = await row(d); }
if (!x) { out.innerHTML = '<b>' + h + '</b> is <b>unranked</b>: not in the top 10,000,000 domains of the web graph or the Majestic Million. That usually means a small or new site.'; return; }
const rank = x.cc || 10000001;
const score = Math.max(0, Math.round(100 * (1 - Math.log10(rank) / Math.log10(TOTAL))));
let trend = '—';
if (x.cc && x.prev) { const pct = Math.round((x.prev - x.cc) / Math.max(x.prev, x.cc) * 1000) / 10; trend = (pct >= 20 ? '<span class="up">rising</span>' : pct <= -20 ? '<span class="down">falling</span>' : 'stable') + ' (' + (pct > 0 ? '+' : '') + pct + '%)'; }
else if (x.cc) trend = 'new in top 10M';
const tier = !x.cc ? 'below top 10M' : 'top ' + fmt([100, 1e3, 1e4, 1e5, 1e6, 1e7].find((t) => x.cc <= t));
out.innerHTML = '<div><b>' + d + '</b></div><div class="big">' + score + '<span class="mut" style="font-size:1rem"> / 100 authority</span></div>'
+ '<div class="grid"><div><span class="mut">Tier</span><b>' + tier + '</b></div><div><span class="mut">Web-graph rank</span><b>' + fmt(x.cc) + '</b></div>'
+ '<div><span class="mut">4-month trend</span><b>' + trend + '</b></div><div><span class="mut">Referring subnets</span><b>' + fmt(x.sub) + '</b></div>'
+ '<div><span class="mut">Majestic rank</span><b>' + fmt(x.mj) + '</b></div><div><span class="mut">Subdomains seen</span><b>' + fmt(x.hosts) + '</b></div></div>';
} catch (err) { out.textContent = 'Lookup failed (' + err.message + '). Try again in a moment.'; }
};
</script>
<!-- cybermax-more:start --><div style="max-width:960px;margin:24px auto 32px;padding:12px 0;border-top:1px solid rgba(127,127,127,.3);font-size:14px;line-height:1.6"><b>Run it on your own list:</b> <a href="https://apify.com/cybermax/domain-authority" target="_blank" rel="noopener" style="color:inherit">try Linkheft on Apify</a> (rank your own domain list by authority; first try costs cents, pay only for results).<br><b>More free from CyberMax:</b> <a href="https://huggingface.co/spaces/CyberMax-tools/cybermax" target="_blank" rel="noopener" style="color:inherit">All free CyberMax demos & datasets</a> · <a href="https://huggingface.co/spaces/CyberMax-tools/what-people-search" target="_blank" rel="noopener" style="color:inherit">Keyfern: What People Search (Keyword Ideas)</a> · <a href="https://huggingface.co/spaces/CyberMax-tools/saas-email-security" target="_blank" rel="noopener" style="color:inherit">DomainDNA: SaaS Email Security Report</a> · <a href="https://huggingface.co/datasets/CyberMax-tools/open-domain-ranks" target="_blank" rel="noopener" style="color:inherit">Linkheft Open Domain Ranks (10.3M domains) (free dataset)</a></div><!-- cybermax-more:end -->
<!-- cybermax-count:start --><script>(function(){try{var u="https://data.cybermax-tools.workers.dev/v?p="+encodeURIComponent(location.host+location.pathname)+"&r="+encodeURIComponent((document.referrer||"").split("/")[2]||"")+(function(){var q=new URLSearchParams(location.search),s=q.get("utm_source");return s?"&us="+encodeURIComponent(s)+"&uc="+encodeURIComponent(q.get("utm_campaign")||""):""})();navigator.sendBeacon?navigator.sendBeacon(u):(new Image).src=u}catch(e){}})()</script><!-- cybermax-count:end --></body></html>
|