Websites Powered by XRegExp

24,469 websites tracked using XRegExp (JavaScript libraries) · xregexp.com

XRegExp is a JavaScript library used to add functionality to web pages. Its official site is xregexp.com. PoweredBy tracks the websites that use XRegExp across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the javascript libraries ecosystem.

Usage trend

Domains observed using XRegExp in each month's HTTP Archive crawl, Apr 2018 to Sep 2026 · peak 11,493 in Dec 2022. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.7 s INP 75 ms CLS 0 TTFB 700 ms

Median site among 8,805 XRegExp sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 3,325
India 2,197
United Kingdom 1,784
Germany 1,658
France 1,518
Canada 1,477
Italy 1,211
Netherlands 1,210

Sites using XRegExp by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Automotive 0.20% 140
Games 0.16% 8
Government 0.15% 12
Blogs and publishing 0.05% 12
Education 0.04% 21
News and media 0.03% 13
Sports and fitness 0.02% 4
Arts and entertainment 0.02% 8
Finance and insurance 0.02% 3
Professional services 0.02% 7
Software and apps 0.02% 18
Retail 0.01% 37

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

Top sites by authority

9+ 2% · 9 of 372 sites
8+ <1% · 75 of 7,677 sites
7+ <1% · 211 of 45,712 sites
6+ <1% · 354 of 110,136 sites
5+ <1% · 529 of 246,751 sites

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

Websites using XRegExp

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
1 google.com 10.00/10 36,639,600 1,268,226 Mar 2024
2 wordpress.com 9.50/10 461,400 54,845 Jun 2018
3 github.io 9.43/10 1,800 1 Aug 2018
4 blogspot.com 9.39/10 - - Jun 2018
5 who.int 9.26/10 3,114,700 778,407 Apr 2025
6 nasa.gov 9.15/10 2,697,400 289,920 Apr 2019
7 berkeley.edu 9.10/10 166,700 4,721 Aug 2018
8 free.fr 9.05/10 3,400 1,262 Aug 2018
9 slack.com 9.02/10 544,200 88,852 Aug 2018
10 naver.com 8.99/10 47,500 134 Aug 2018
11 datatables.net 8.96/10 5,000 8,051 Jun 2018
12 sba.gov 8.95/10 1,485,000 246,243 Feb 2024
13 docker.com 8.92/10 40,800 24,377 Feb 2026
14 zoho.com 8.90/10 564,300 147,943 Oct 2018
15 jimdofree.com 8.88/10 - - Feb 2020
16 heart.org 8.85/10 3,118,800 377,461 May 2020
17 illinois.edu 8.83/10 47,000 3,612 Aug 2018
18 fc2.com 8.80/10 5,100 10 Aug 2018
19 redcross.org 8.80/10 2,293,800 333,636 Dec 2022
20 uci.edu 8.76/10 94,600 9,503 Sep 2022
21 hku.hk 8.70/10 6,000 1,100 Aug 2018
22 vatican.va 8.68/10 614,500 268,554 Nov 2019
23 esa.int 8.67/10 412,100 94,679 Feb 2020
24 fiverr.com 8.66/10 168,600 84,643 Jul 2021
25 evernote.com 8.66/10 117,300 38,165 Aug 2018
26 paris.fr 8.65/10 24,100 12,376 Jan 2023
27 main.jp 8.64/10 - - Sep 2020
28 oclc.org 8.63/10 60,000 6,803 Jun 2018
29 imy.se 8.62/10 72 218 May 2023
30 lego.com 8.61/10 4,295,300 493,980 Jan 2019
31 uu.se 8.61/10 22,000 11,257 Oct 2021
32 gettyimages.com 8.60/10 23,845,300 3,419,455 Sep 2020
33 developpement-durable.gouv.fr 8.60/10 - - Aug 2018
34 kaspersky.com 8.59/10 179,900 48,293 Aug 2018
35 sbb.ch 8.59/10 44,600 15,511 Aug 2022
36 prestashop.com 8.58/10 1,300 2,024 May 2019
37 unam.mx 8.58/10 1,900 1,196 Aug 2018
38 nhl.com 8.55/10 9,107,800 775,789 Aug 2018
39 kidshelpphone.ca 8.53/10 10,400 4,647 Aug 2022
40 spb.ru 8.53/10 - - Jun 2018
41 iec.ch 8.53/10 32,400 8,355 Dec 2025
42 poznan.pl 8.47/10 320 564 Oct 2020
43 blackberry.com 8.46/10 11,700 3,327 Oct 2019
44 home.blog 8.45/10 - - Apr 2019
45 perl.org 8.44/10 2,800 1,023 Aug 2018
46 zoho.eu 8.42/10 - - Nov 2018
47 uni-lj.si 8.37/10 3,200 359 Aug 2018
48 org.ru 8.35/10 - - Jun 2018
49 hurriyet.com.tr 8.35/10 17,800 24,779 Aug 2018
50 bundesbank.de 8.34/10 9,500 6,958 Nov 2024
51 tistory.com 8.33/10 230 8 Aug 2018
52 seesaa.net 8.31/10 - - Aug 2018
53 porsche.com 8.31/10 939,700 121,265 Aug 2024
54 alamy.com 8.30/10 2,273,900 2,478,354 Aug 2018
55 up.pt 8.30/10 2,100 1,076 Aug 2023
56 fiocruz.br 8.27/10 500 722 Mar 2025
57 joomag.com 8.25/10 96 125 Jul 2020
58 mattel.com 8.24/10 - 1 Dec 2020
59 bp.com 8.24/10 1,607,700 39,699 May 2020
60 utdallas.edu 8.22/10 151,700 20,834 Aug 2018
61 ohsu.edu 8.22/10 413,500 118,602 Jul 2020
62 doorkeeper.jp 8.22/10 2 4 Jun 2018
63 geocaching.com 8.20/10 23,200 15,503 Aug 2018
64 ens-lyon.fr 8.20/10 2,800 1,148 Apr 2020
65 wfu.edu 8.16/10 12,200 7,235 Feb 2020
66 corsair.com 8.14/10 627,300 87,714 Aug 2021
67 telefonica.com 8.14/10 36,300 15,597 Aug 2018
68 jboss.org 8.13/10 330 68 Aug 2018
69 unina.it 8.10/10 2,800 1,842 Jun 2023
70 cocolog-nifty.com 8.07/10 24 5 Aug 2018
71 childrenshospital.org 8.05/10 618,400 141,199 Aug 2022
72 credit-agricole.fr 8.04/10 10,600 3,553 Aug 2018
73 mass.edu 8.02/10 14,900 7,565 Jun 2018
74 td.com 8.01/10 1,433,800 177,406 Feb 2021
75 zeiss.com 8.00/10 114,800 31,908 Jun 2024
76 chula.ac.th 7.99/10 5,600 2,737 Aug 2018
77 tomsk.ru 7.95/10 23 11 Jan 2019
78 akita.lg.jp 7.94/10 - - Sep 2020
79 gov.taipei 7.92/10 1 10 Aug 2018
80 lwl.org 7.92/10 110 383 Nov 2025
81 germany.travel 7.91/10 131,600 9,239 Aug 2022
82 zoho.in 7.90/10 - - May 2019
83 net.ru 7.88/10 - 4 Jun 2018
84 mohw.gov.tw 7.85/10 51 220 Nov 2023
85 srce.hr 7.84/10 - - Jun 2023
86 nexusmods.com 7.83/10 2,188,300 783,369 Dec 2023
87 motor1.com 7.82/10 262,500 208,973 Jul 2021
88 lnu.se 7.82/10 1,900 1,578 Aug 2018
89 bme.hu 7.81/10 1,300 299 Aug 2018
90 ulg.ac.be 7.81/10 - - Nov 2022
91 defcon.org 7.80/10 9,000 3,878 Aug 2024
92 vu.lt 7.80/10 2,400 673 Feb 2025
93 zakon.kz 7.79/10 140 169 Aug 2018
94 bittorrent.com 7.77/10 17,700 2,442 Aug 2018
95 nikon.com 7.77/10 20,100 3,901 Jun 2018
96 museivaticani.va 7.74/10 186,400 7,088 Dec 2019
97 h5p.org 7.72/10 8,500 7,240 Jun 2018
98 telangana.gov.in 7.72/10 1,600 468 May 2022
99 liebherr.com 7.71/10 31,900 13,006 Dec 2022
100 steigerlegal.ch 7.71/10 3 27 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).

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