Websites Powered by Ace
19,167 websites tracked using Ace (Rich text editors) · github.com
Ace is a rich-text WYSIWYG editor embedded in the page. Its official site is github.com. PoweredBy tracks the websites that use Ace across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the rich text editors ecosystem.
Usage trend
10K
20K
30K
Apr 2022
May 2023
Jul 2024
Aug 2025
Sep 2026
Domains observed using Ace in each month's HTTP Archive crawl,
Apr 2022 to Sep 2026 · peak 22,777 in Aug 2022. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2 s
INP 75 ms
CLS 0
TTFB 700 ms
Median site among 8,643 Ace sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
4,011
India
2,462
United Kingdom
1,832
Canada
1,613
Germany
1,448
Brazil
1,365
France
1,319
Spain
1,213
Sites using Ace by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Government | 0.34% | 27 |
| Education | 0.14% | 72 |
| Non-profit and religious | 0.10% | 8 |
| Arts and entertainment | 0.08% | 35 |
| Software and apps | 0.08% | 94 |
| Finance and insurance | 0.07% | 12 |
| News and media | 0.02% | 9 |
| Games | 0.02% | 1 |
| Blogs and publishing | 0.02% | 5 |
| Healthcare | 0.02% | 21 |
| Professional services | 0.01% | 5 |
| Beauty and wellness | 0.01% | 3 |
Share of each industry's websites with a detected stack that use Ace; industries come from what sites declare in their own structured data.
Top sites by authority
9+
5% · 17 of 372 sites
8+
2% · 184 of 7,677 sites
7+
1% · 521 of 45,712 sites
6+
<1% · 813 of 110,136 sites
5+
<1% · 1,124 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Ace in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Ace
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | apple.com | 9.66/10 | 12,909,000 | 1,141,761 | Apr 2022 |
| 2 | amazonaws.com | 9.50/10 | - | - | Nov 2022 |
| 3 | github.io | 9.43/10 | 1,800 | 1 | Apr 2022 |
| 4 | qq.com | 9.34/10 | 2,200 | 163 | Oct 2022 |
| 5 | cdc.gov | 9.31/10 | 14,578,200 | 1,357,344 | Apr 2022 |
| 6 | ca.gov | 9.23/10 | 1,455,600 | 26,086 | Apr 2022 |
| 7 | mit.edu | 9.18/10 | 163,800 | 31,239 | Sep 2022 |
| 8 | admin.ch | 9.18/10 | 4,200 | 753 | Nov 2023 |
| 9 | ibm.com | 9.13/10 | 11,139,500 | 518,522 | Sep 2024 |
| 10 | loc.gov | 9.06/10 | 1,906,400 | 248,246 | Oct 2024 |
| 11 | vercel.app | 9.05/10 | - | - | Apr 2022 |
| 12 | ny.gov | 9.04/10 | 675,900 | 50,004 | Apr 2022 |
| 13 | netlify.app | 9.01/10 | 2 | 2 | Apr 2022 |
| 14 | arcgis.com | 9.01/10 | 948,500 | 244,725 | Apr 2022 |
| 15 | ted.com | 9.01/10 | 387,900 | 80,293 | May 2022 |
| 16 | umich.edu | 9.01/10 | 36,500 | 1,974 | Oct 2022 |
| 17 | uk.com | 9.00/10 | 2 | 12 | May 2022 |
| 18 | ox.ac.uk | 8.98/10 | 214,200 | 93,016 | Feb 2023 |
| 19 | texas.gov | 8.98/10 | 917,200 | 38,560 | Apr 2022 |
| 20 | cmu.edu | 8.97/10 | 436,800 | 81,774 | Aug 2022 |
| 21 | strato.de | 8.95/10 | 380 | 397 | Apr 2025 |
| 22 | nsw.gov.au | 8.95/10 | 75,300 | 73,181 | Apr 2022 |
| 23 | usgs.gov | 8.95/10 | 3,088,500 | 314,649 | Dec 2024 |
| 24 | ethz.ch | 8.95/10 | 12,900 | 11,869 | Apr 2022 |
| 25 | ionos.de | 8.93/10 | 270 | 636 | Dec 2025 |
| 26 | fao.org | 8.93/10 | 213,900 | 125,762 | Aug 2022 |
| 27 | wa.gov | 8.93/10 | 719,700 | 7,869 | Apr 2022 |
| 28 | gov.ru | 8.91/10 | 2,700 | 216 | Apr 2022 |
| 29 | withgoogle.com | 8.91/10 | - | - | Apr 2022 |
| 30 | imf.org | 8.89/10 | 699,800 | 174,946 | Jun 2022 |
| 31 | azurewebsites.net | 8.87/10 | - | - | Apr 2022 |
| 32 | appspot.com | 8.87/10 | - | - | Apr 2022 |
| 33 | accenture.com | 8.87/10 | 138,800 | 76,754 | Apr 2022 |
| 34 | proofpoint.com | 8.85/10 | 122,900 | 22,948 | Oct 2022 |
| 35 | sap.com | 8.83/10 | 526,000 | 58,757 | Aug 2023 |
| 36 | ct.gov | 8.83/10 | 4,800 | 38 | Apr 2022 |
| 37 | js.org | 8.82/10 | 2 | 5 | Apr 2022 |
| 38 | maryland.gov | 8.82/10 | 173,200 | 7,155 | Apr 2022 |
| 39 | virginia.gov | 8.82/10 | 338,000 | 19,778 | Apr 2022 |
| 40 | mass.gov | 8.82/10 | 3,516,300 | 1,069,518 | Mar 2024 |
| 41 | colorado.gov | 8.81/10 | 81,300 | 11,605 | Apr 2022 |
| 42 | utoronto.ca | 8.81/10 | 42,800 | 10,094 | Nov 2022 |
| 43 | eia.gov | 8.81/10 | 1,047,600 | 145,487 | Apr 2022 |
| 44 | amap.com | 8.80/10 | 2,900 | 21 | Feb 2023 |
| 45 | utah.gov | 8.80/10 | 129,700 | 22,115 | Apr 2022 |
| 46 | in.gov | 8.80/10 | 3,047,100 | 832,670 | May 2023 |
| 47 | mn.gov | 8.78/10 | 964,900 | 239,950 | May 2026 |
| 48 | env.go.jp | 8.78/10 | 12,100 | 4,606 | Mar 2025 |
| 49 | chromium.org | 8.77/10 | 65,900 | 10,901 | Apr 2022 |
| 50 | elastic.co | 8.76/10 | 97,600 | 39,956 | Apr 2022 |
| 51 | ohio.gov | 8.76/10 | 366,800 | 33,026 | Sep 2025 |
| 52 | mo.gov | 8.75/10 | 135,400 | 9,347 | Apr 2022 |
| 53 | herokuapp.com | 8.74/10 | - | - | Oct 2022 |
| 54 | webex.com | 8.74/10 | 79,100 | 38,804 | Sep 2024 |
| 55 | oregon.gov | 8.74/10 | 1,683,800 | 534,540 | May 2022 |
| 56 | illinois.gov | 8.73/10 | 521,900 | 65,410 | Dec 2024 |
| 57 | aruba.it | 8.72/10 | 1,000 | 466 | Jan 2025 |
| 58 | tn.gov | 8.72/10 | 1,732,300 | 630,039 | Jul 2022 |
| 59 | target.com | 8.71/10 | 22,063,400 | 5,697,207 | Jul 2023 |
| 60 | uwaterloo.ca | 8.71/10 | 224,700 | 71,840 | Apr 2022 |
| 61 | usps.com | 8.69/10 | 12,961,800 | 155,654 | Apr 2025 |
| 62 | gov.bc.ca | 8.69/10 | 2,200 | 880 | Apr 2023 |
| 63 | pitt.edu | 8.69/10 | 62,900 | 8,520 | Oct 2022 |
| 64 | ky.gov | 8.68/10 | - | 1 | Jul 2022 |
| 65 | delaware.gov | 8.67/10 | 128,700 | 12,173 | Apr 2022 |
| 66 | dc.gov | 8.67/10 | 99,400 | 10,148 | Apr 2022 |
| 67 | hawaii.gov | 8.67/10 | 34 | 238 | Apr 2022 |
| 68 | ionos.com | 8.65/10 | 316,100 | 110,870 | Nov 2025 |
| 69 | rust-lang.org | 8.65/10 | 69,100 | 9,489 | Apr 2022 |
| 70 | state.mn.us | 8.65/10 | 1,200 | 64 | Apr 2022 |
| 71 | iowa.gov | 8.64/10 | 68,600 | 15,174 | Apr 2022 |
| 72 | vt.edu | 8.64/10 | 215,100 | 20,548 | Jun 2024 |
| 73 | hrsa.gov | 8.64/10 | 82,500 | 28,053 | Jul 2025 |
| 74 | teachable.com | 8.63/10 | 17,600 | 3,238 | Apr 2022 |
| 75 | vermont.gov | 8.63/10 | 116,100 | 3,757 | Apr 2022 |
| 76 | wi.gov | 8.63/10 | - | - | Apr 2022 |
| 77 | nus.edu.sg | 8.62/10 | 20,200 | 3,936 | Sep 2023 |
| 78 | com.de | 8.62/10 | 5 | 14 | Apr 2022 |
| 79 | georgia.gov | 8.62/10 | 569,400 | 108,725 | Jul 2022 |
| 80 | alaska.gov | 8.62/10 | 61,700 | 7,776 | May 2022 |
| 81 | hawaii.edu | 8.62/10 | 117,100 | 43,233 | May 2023 |
| 82 | osf.io | 8.61/10 | 4,000 | 7,453 | Apr 2022 |
| 83 | tum.de | 8.61/10 | 7,800 | 7,642 | Jun 2026 |
| 84 | abs.gov.au | 8.60/10 | 81,700 | 45,330 | Dec 2025 |
| 85 | alberta.ca | 8.58/10 | 115,900 | 65,281 | Aug 2022 |
| 86 | uni-heidelberg.de | 8.58/10 | 8,000 | 4,696 | Jul 2022 |
| 87 | unam.mx | 8.58/10 | 1,900 | 1,196 | Apr 2022 |
| 88 | gov.on.ca | 8.57/10 | - | - | Apr 2022 |
| 89 | lacounty.gov | 8.57/10 | 301,200 | 21,179 | Apr 2022 |
| 90 | la.gov | 8.56/10 | - | - | Feb 2023 |
| 91 | cuni.cz | 8.56/10 | 4,400 | 1,637 | Apr 2022 |
| 92 | udel.edu | 8.55/10 | 157,300 | 39,674 | Jun 2024 |
| 93 | missouri.edu | 8.55/10 | 111,500 | 9,960 | Jun 2024 |
| 94 | spb.ru | 8.53/10 | - | - | Aug 2022 |
| 95 | ms.gov | 8.52/10 | 209,000 | 24,640 | Aug 2022 |
| 96 | ku.edu | 8.52/10 | 80,400 | 6,697 | Jul 2022 |
| 97 | contently.com | 8.51/10 | 6,300 | 1,745 | Apr 2025 |
| 98 | one.com | 8.50/10 | 42,000 | 8,368 | Apr 2022 |
| 99 | sjsu.edu | 8.49/10 | 504,200 | 97,324 | Jun 2024 |
| 100 | ilsole24ore.com | 8.48/10 | 3,500 | 7,210 | Jan 2025 |
Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.
Download top 10,000 as CSV (zip) →
Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).