Websites Powered by CodeMirror

48,604 websites tracked using CodeMirror (Editors) · codemirror.net

CodeMirror is a online editor or content-authoring tool. Its official site is codemirror.net. PoweredBy tracks the websites that use CodeMirror across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the editors ecosystem.

Usage trend

Domains observed using CodeMirror in each month's HTTP Archive crawl, Jun 2018 to Oct 2026 · peak 18,151 in Mar 2026. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 2.1 s INP 75 ms CLS 0 TTFB 900 ms

Median site among 20,323 CodeMirror sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 11,668
India 2,941
United Kingdom 2,594
Canada 2,406
Germany 1,988
Brazil 1,935
Spain 1,794
France 1,777

Sites using CodeMirror by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Education 0.65% 408
Government 0.19% 18
Non-profit and religious 0.14% 15
Arts and entertainment 0.12% 64
Sports and fitness 0.08% 18
Professional services 0.06% 33
Finance and insurance 0.06% 12
Software and apps 0.05% 85
News and media 0.05% 26
Blogs and publishing 0.04% 12
Beauty and wellness 0.04% 12
Pets and animals 0.03% 1

Share of each industry's websites with a detected stack that use CodeMirror; industries come from what sites declare in their own structured data.

Top sites by authority

9+ 8% · 30 of 372 sites
8+ 3% · 233 of 7,677 sites
7+ 1% · 561 of 45,712 sites
6+ <1% · 862 of 110,136 sites
5+ <1% · 1,246 of 246,751 sites

The share of the web's most authoritative domains, by Open Page Rank tier, seen running CodeMirror in recent crawls. Only 372 domains worldwide score 9 or higher.

Websites using CodeMirror

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
1 google.com 10.00/10 36,639,600 1,268,226 Aug 2018
2 cloudflare.com 9.78/10 984,600 93,222 Apr 2026
3 europa.eu 9.57/10 42,200 31,835 Sep 2021
4 amazonaws.com 9.50/10 - - Aug 2026
5 nih.gov 9.44/10 298,300 34,546 Feb 2020
6 github.io 9.43/10 1,800 1 Aug 2018
7 blogspot.com 9.39/10 - - Jun 2020
8 schema.org 9.27/10 35,200 4,492 Jul 2021
9 yahoo.com 9.27/10 15,772,000 8,807,788 Aug 2018
10 harvard.edu 9.24/10 472,700 11,444 Nov 2018
11 ca.gov 9.23/10 1,455,600 26,086 Jan 2022
12 stanford.edu 9.19/10 3,302,700 5,160 Aug 2018
13 mit.edu 9.18/10 163,800 31,239 Apr 2020
14 trustpilot.com 9.14/10 4,788,100 791,788 Apr 2023
15 myshopify.com 9.12/10 - - Jun 2020
16 nist.gov 9.12/10 672,200 110,591 Jan 2022
17 zendesk.com 9.10/10 416,900 60,938 Feb 2023
18 ft.com 9.10/10 698,500 489,218 Jan 2023
19 berkeley.edu 9.10/10 166,700 4,721 Aug 2018
20 cloudinary.com 9.09/10 93,500 30,227 Oct 2022
21 vercel.app 9.05/10 - - Dec 2023
22 free.fr 9.05/10 3,400 1,262 Jan 2019
23 mdpi.com 9.02/10 1,843,600 1,928,740 Jun 2026
24 netlify.app 9.01/10 2 2 Jan 2021
25 psu.edu 9.01/10 580,400 80,390 Aug 2022
26 umich.edu 9.01/10 36,500 1,974 Jan 2019
27 yale.edu 9.01/10 177,900 5,845 Sep 2020
28 gitlab.com 9.00/10 87,500 29,195 Aug 2022
29 uk.com 9.00/10 2 12 Apr 2019
30 upenn.edu 9.00/10 178,900 4,794 Dec 2022
31 android.com 8.98/10 537,600 140,748 Feb 2020
32 cmu.edu 8.97/10 436,800 81,774 Aug 2018
33 wisc.edu 8.97/10 461,200 6,382 Aug 2024
34 datatables.net 8.96/10 5,000 8,051 Aug 2018
35 telegram.org 8.96/10 400,200 21,051 Aug 2018
36 umn.edu 8.96/10 78 51 Mar 2022
37 elsevier.com 8.93/10 344,600 88,582 Mar 2025
38 utexas.edu 8.92/10 502,800 11,092 Jan 2020
39 uchicago.edu 8.92/10 63,700 10,331 Aug 2018
40 zoho.com 8.90/10 564,300 147,943 May 2025
41 azurewebsites.net 8.87/10 - - Mar 2020
42 appspot.com 8.87/10 - - Feb 2019
43 cam.ac.uk 8.87/10 208,200 35,354 Oct 2023
44 optimizely.com 8.86/10 149,400 9,101 Mar 2020
45 northwestern.edu 8.86/10 193,400 45,922 Jan 2024
46 acs.org 8.85/10 797,000 91,768 Sep 2026
47 brevo.com 8.84/10 36,700 8,656 Jul 2023
48 ufl.edu 8.84/10 241,500 3,277 Jan 2022
49 ubc.ca 8.84/10 14,500 2,813 May 2026
50 illinois.edu 8.83/10 47,000 3,612 Jan 2021
51 ct.gov 8.83/10 4,800 38 Dec 2022
52 ucdavis.edu 8.83/10 381,100 81,485 Mar 2025
53 cnrs.fr 8.82/10 4,300 2,992 Jul 2022
54 kakao.com 8.80/10 51 39 Apr 2026
55 uzh.ch 8.79/10 7,800 3,263 Dec 2022
56 chromium.org 8.77/10 65,900 10,901 Feb 2020
57 wpenginepowered.com 8.77/10 - - Sep 2025
58 uber.com 8.77/10 2,357,500 481,915 Aug 2022
59 bu.edu 8.77/10 804,600 234,428 Dec 2023
60 dreamhost.com 8.76/10 34,700 11,034 Aug 2022
61 web.app 8.76/10 - - Jan 2023
62 tamu.edu 8.76/10 349,600 9,431 Jul 2020
63 rutgers.edu 8.75/10 146,600 28,567 Jul 2024
64 herokuapp.com 8.74/10 - - Feb 2020
65 ucl.ac.uk 8.74/10 154,800 93,062 Oct 2021
66 utah.edu 8.74/10 474,500 10,126 Dec 2024
67 brown.edu 8.73/10 376,500 23,950 Oct 2022
68 colorado.edu 8.72/10 585,400 165,595 Dec 2024
69 uwaterloo.ca 8.71/10 224,700 71,840 Aug 2018
70 ucsb.edu 8.71/10 73,800 11,445 Apr 2025
71 hku.hk 8.70/10 6,000 1,100 Mar 2025
72 usercentrics.com 8.69/10 14,200 4,889 Aug 2025
73 pitt.edu 8.69/10 62,900 8,520 Sep 2020
74 mozilla.com 8.68/10 64 1 Aug 2025
75 gatech.edu 8.68/10 128,100 22,038 Jul 2022
76 tufts.edu 8.68/10 98,500 9,358 Jun 2022
77 wildapricot.org 8.67/10 - - Aug 2018
78 ed.ac.uk 8.67/10 29,600 5,927 Aug 2022
79 americanbar.org 8.67/10 682,900 126,951 Apr 2025
80 esa.int 8.67/10 412,100 94,679 Mar 2020
81 delaware.gov 8.67/10 128,700 12,173 May 2019
82 mastercard.com 8.66/10 866,600 105,364 Jan 2024
83 state.mn.us 8.65/10 1,200 64 Feb 2023
84 cuny.edu 8.65/10 293,300 49,477 Aug 2018
85 vt.edu 8.64/10 215,100 20,548 Aug 2018
86 gwu.edu 8.64/10 257,300 13,278 May 2023
87 epicgames.com 8.63/10 1,390,600 145,819 Aug 2022
88 wi.gov 8.63/10 - - Nov 2025
89 vanderbilt.edu 8.63/10 265,200 51,240 May 2025
90 argentina.gob.ar 8.62/10 91,600 117,452 Mar 2026
91 nus.edu.sg 8.62/10 20,200 3,936 Feb 2020
92 colostate.edu 8.62/10 189,100 10,871 Jun 2021
93 hawaii.edu 8.62/10 117,100 43,233 Sep 2023
94 lego.com 8.61/10 4,295,300 493,980 Apr 2024
95 unctad.org 8.61/10 82,400 29,936 Jul 2023
96 uic.edu 8.61/10 68,900 11,201 Nov 2024
97 smartsheet.com 8.59/10 310,000 67,380 Sep 2026
98 nd.edu 8.59/10 56,800 8,385 Aug 2018
99 ucf.edu 8.58/10 343,100 84,810 Jul 2023
100 alberta.ca 8.58/10 115,900 65,281 Aug 2022

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).

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