Websites Powered by Modernizr
4,506,004 websites tracked using Modernizr (JavaScript libraries) · modernizr.com
Modernizr is a small JavaScript library that detects the availability of native browser features, letting sites adapt their behavior gracefully. It is detected from its runtime signature and remains present on many established sites.
Usage trend
500K
1M
1.5M
2M
Apr 2018
May 2020
Jun 2022
Jul 2024
Aug 2026
Domains observed using Modernizr in each month's HTTP Archive crawl,
Apr 2018 to Aug 2026 · peak 1,811,452 in Mar 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.8 s
INP 50 ms
CLS 0
TTFB 700 ms
Median site among 1,255,768 Modernizr sites with Chrome UX data, p75 values, Aug 2026.
Top countries
United States
371,127
Germany
113,484
United Kingdom
107,269
India
103,684
Italy
85,311
France
78,517
Canada
78,206
Spain
65,903
Sites using Modernizr by audience country, Chrome UX Report.
Top sites by authority
9+
31% · 114 of 372 sites
8+
26% · 1,984 of 7,677 sites
7+
17% · 7,766 of 45,712 sites
6+
14% · 14,971 of 110,136 sites
5+
11% · 26,426 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Modernizr in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Modernizr
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 301 | army.mil | 8.75/10 | 1,049,000 | 286,727 | Aug 2018 |
| 302 | rutgers.edu | 8.75/10 | 147,400 | 31,478 | Aug 2018 |
| 303 | mo.gov | 8.75/10 | 136,100 | 9,975 | Apr 2018 |
| 304 | herokuapp.com | 8.74/10 | - | - | Jan 2019 |
| 305 | globo.com | 8.74/10 | 3,500 | 605 | Aug 2018 |
| 306 | ons.gov.uk | 8.74/10 | 106,200 | 68,872 | Aug 2018 |
| 307 | udemy.com | 8.74/10 | 438,100 | 286,349 | Dec 2021 |
| 308 | ucl.ac.uk | 8.74/10 | 154,800 | 93,062 | Aug 2018 |
| 309 | nj.gov | 8.74/10 | 2,479,000 | 955,576 | Aug 2018 |
| 310 | utah.edu | 8.74/10 | 474,600 | 10,598 | Apr 2018 |
| 311 | zdf.de | 8.74/10 | 29,900 | 14,545 | Aug 2018 |
| 312 | liberation.fr | 8.74/10 | 17,600 | 9,405 | Jun 2018 |
| 313 | oregon.gov | 8.74/10 | 1,702,900 | 643,483 | Jun 2018 |
| 314 | uscis.gov | 8.74/10 | 6,392,500 | 1,022,549 | Aug 2018 |
| 315 | epfl.ch | 8.74/10 | 12,900 | 6,546 | Aug 2018 |
| 316 | nzz.ch | 8.74/10 | 6,900 | 9,881 | Aug 2018 |
| 317 | telekom.de | 8.73/10 | 3,400 | 4,133 | Jun 2018 |
| 318 | xinhuanet.com | 8.73/10 | 7,100 | 11,374 | Oct 2022 |
| 319 | brown.edu | 8.73/10 | 377,100 | 26,065 | Aug 2018 |
| 320 | virginia.edu | 8.73/10 | 265,200 | 11,663 | Jun 2018 |
| 321 | illinois.gov | 8.73/10 | 523,000 | 73,209 | Aug 2018 |
| 322 | faa.gov | 8.73/10 | 2,222,700 | 372,071 | Aug 2018 |
| 323 | wko.at | 8.72/10 | 1,000 | 2,363 | Jan 2019 |
| 324 | gdpr.eu | 8.72/10 | 22,100 | 5,735 | Sep 2025 |
| 325 | thebase.in | 8.72/10 | - | 1 | Jul 2018 |
| 326 | bnf.fr | 8.72/10 | 6,300 | 1,597 | Aug 2018 |
| 327 | tn.gov | 8.72/10 | 1,755,200 | 749,628 | Jun 2018 |
| 328 | ncsu.edu | 8.72/10 | 155,900 | 15,968 | Aug 2018 |
| 329 | colorado.edu | 8.72/10 | 591,600 | 213,520 | Apr 2018 |
| 330 | maff.go.jp | 8.72/10 | 6,300 | 3,528 | Mar 2021 |
| 331 | plesk.com | 8.71/10 | 5,700 | 4,971 | Aug 2018 |
| 332 | sxsw.com | 8.71/10 | 59,500 | 8,602 | Aug 2018 |
| 333 | freshdesk.com | 8.71/10 | 3 | 2 | Aug 2018 |
| 334 | uwaterloo.ca | 8.71/10 | 224,700 | 71,840 | Aug 2018 |
| 335 | rochester.edu | 8.71/10 | 240,800 | 70,711 | Apr 2018 |
| 336 | tagesspiegel.de | 8.71/10 | 4,100 | 9,470 | Aug 2018 |
| 337 | ucsb.edu | 8.71/10 | 73,800 | 11,445 | Aug 2018 |
| 338 | arizona.edu | 8.71/10 | 127,800 | 25,918 | Aug 2018 |
| 339 | repubblica.it | 8.71/10 | 10,800 | 16,957 | Aug 2018 |
| 340 | biglobe.ne.jp | 8.71/10 | 1 | 2 | Aug 2018 |
| 341 | u-tokyo.ac.jp | 8.71/10 | 25,200 | 7,795 | Aug 2018 |
| 342 | srf.ch | 8.71/10 | 13,400 | 21,065 | Jun 2018 |
| 343 | japantimes.co.jp | 8.71/10 | 83,100 | 74,372 | Apr 2018 |
| 344 | hku.hk | 8.70/10 | 6,000 | 1,100 | Aug 2018 |
| 345 | rackcdn.com | 8.70/10 | - | - | Feb 2023 |
| 346 | thomsonreuters.com | 8.70/10 | 145,100 | 57,340 | Aug 2018 |
| 347 | greenhouse.io | 8.70/10 | - | - | Feb 2020 |
| 348 | nike.com | 8.70/10 | 6,578,200 | 1,990,737 | Jun 2018 |
| 349 | interieur.gouv.fr | 8.70/10 | 1,500 | 1,189 | Aug 2018 |
| 350 | ucsf.edu | 8.70/10 | 162,500 | 56,785 | Apr 2018 |
| 351 | ama-assn.org | 8.70/10 | 1,151,900 | 292,822 | Aug 2018 |
| 352 | mcgill.ca | 8.70/10 | 403,000 | 145,097 | Apr 2018 |
| 353 | okta.com | 8.69/10 | 251,200 | 35,664 | Aug 2018 |
| 354 | in.net | 8.69/10 | - | - | Jan 2019 |
| 355 | moodle.com | 8.69/10 | 61,200 | 5,515 | Jun 2019 |
| 356 | usps.com | 8.69/10 | 13,021,900 | 229,175 | Apr 2018 |
| 357 | nasdaq.com | 8.69/10 | 3,655,300 | 758,767 | Aug 2018 |
| 358 | hessen.de | 8.69/10 | 110 | 145 | Jun 2018 |
| 359 | lbl.gov | 8.69/10 | 59,100 | 2,456 | Aug 2018 |
| 360 | gov.bc.ca | 8.69/10 | 2,200 | 880 | Aug 2018 |
| 361 | pitt.edu | 8.69/10 | 62,900 | 8,815 | Aug 2018 |
| 362 | bundesregierung.de | 8.69/10 | 41,600 | 3,739 | Jan 2019 |
| 363 | healthcare.gov | 8.69/10 | 2,798,000 | 298,159 | Aug 2018 |
| 364 | unsw.edu.au | 8.69/10 | 77,400 | 61,319 | Aug 2018 |
| 365 | americanexpress.com | 8.68/10 | 6,335,800 | 542,669 | Aug 2018 |
| 366 | chinadaily.com.cn | 8.68/10 | 43,500 | 44,703 | Jul 2019 |
| 367 | siemens.com | 8.68/10 | 155,200 | 53,421 | Aug 2018 |
| 368 | unibo.it | 8.68/10 | 11,100 | 4,872 | Jun 2018 |
| 369 | inria.fr | 8.68/10 | 1,200 | 667 | Jul 2019 |
| 370 | gatech.edu | 8.68/10 | 72,600 | 12,653 | Aug 2018 |
| 371 | ceskatelevize.cz | 8.68/10 | 6,500 | 2,861 | Apr 2018 |
| 372 | navy.mil | 8.68/10 | 320,800 | 44,371 | Apr 2018 |
| 373 | ky.gov | 8.68/10 | - | 1 | Aug 2018 |
| 374 | tufts.edu | 8.68/10 | 98,500 | 9,726 | Aug 2018 |
| 375 | vatican.va | 8.68/10 | 614,500 | 268,554 | Apr 2019 |
| 376 | xsrv.jp | 8.68/10 | - | - | Aug 2018 |
| 377 | overheid.nl | 8.68/10 | 690 | 96 | Apr 2018 |
| 378 | corriere.it | 8.68/10 | 15,900 | 18,697 | Jun 2018 |
| 379 | anu.edu.au | 8.68/10 | 12,900 | 8,767 | Apr 2018 |
| 380 | unimelb.edu.au | 8.68/10 | 16,100 | 7,502 | Aug 2018 |
| 381 | twilio.com | 8.67/10 | 260,100 | 55,771 | Aug 2018 |
| 382 | co.com | 8.67/10 | - | - | Jun 2018 |
| 383 | att.com | 8.67/10 | 9,560,600 | 739,744 | Apr 2018 |
| 384 | adp.com | 8.67/10 | 4,139,400 | 271,379 | Aug 2018 |
| 385 | donorbox.org | 8.67/10 | 79,500 | 31,021 | Apr 2018 |
| 386 | upwork.com | 8.67/10 | 861,100 | 139,397 | Apr 2019 |
| 387 | pantheonsite.io | 8.67/10 | 7 | 5 | Aug 2022 |
| 388 | stlouisfed.org | 8.67/10 | 147,900 | 36,620 | Aug 2018 |
| 389 | ed.ac.uk | 8.67/10 | 29,600 | 5,927 | Aug 2018 |
| 390 | af.mil | 8.67/10 | 983,100 | 88,532 | May 2022 |
| 391 | americanbar.org | 8.67/10 | 710,900 | 144,424 | Mar 2024 |
| 392 | esa.int | 8.67/10 | 412,100 | 94,679 | Aug 2018 |
| 393 | lse.ac.uk | 8.67/10 | 60,400 | 38,566 | Apr 2018 |
| 394 | delaware.gov | 8.67/10 | 128,800 | 12,757 | Aug 2018 |
| 395 | indiana.edu | 8.67/10 | - | - | Apr 2018 |
| 396 | dc.gov | 8.67/10 | 99,300 | 10,787 | Aug 2018 |
| 397 | hawaii.gov | 8.67/10 | 34 | 270 | Jun 2018 |
| 398 | unl.edu | 8.67/10 | 64,000 | 6,655 | Aug 2018 |
| 399 | fws.gov | 8.67/10 | 2,395,300 | 348,898 | Aug 2018 |
| 400 | uu.nl | 8.67/10 | 17,200 | 12,463 | Aug 2018 |
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) →
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