Websites Powered by mod_perl
14,718 websites tracked using mod_perl (Web server extensions) · perl.apache.org
mod_perl is a web-server extension or module. Its official site is perl.apache.org. PoweredBy tracks the websites that use mod_perl across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the web server extensions ecosystem.
Usage trend
2K
4K
6K
8K
Apr 2018
Jun 2020
Jul 2022
Sep 2024
Oct 2026
Domains observed using mod_perl in each month's HTTP Archive crawl,
Apr 2018 to Oct 2026 · peak 7,747 in Nov 2022. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.5 s
INP 75 ms
CLS 0
TTFB 600 ms
Median site among 5,507 mod_perl sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
1,857
India
1,162
Japan
1,045
Indonesia
1,018
United Kingdom
840
Germany
828
Canada
715
France
704
Sites using mod_perl by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Government | 0.10% | 9 |
| Education | 0.07% | 45 |
| Beauty and wellness | 0.07% | 22 |
| Arts and entertainment | 0.03% | 17 |
| Games | 0.03% | 2 |
| Travel and hospitality | 0.02% | 14 |
| Blogs and publishing | 0.01% | 4 |
| News and media | 0.01% | 6 |
| Legal | 0.01% | 3 |
| Non-profit and religious | <0.01% | 1 |
| Professional services | <0.01% | 5 |
| Healthcare | <0.01% | 11 |
Share of each industry's websites with a detected stack that use mod_perl; industries come from what sites declare in their own structured data.
Top sites by authority
9+
1% · 4 of 372 sites
8+
1% · 102 of 7,677 sites
7+
<1% · 263 of 45,712 sites
6+
<1% · 351 of 110,136 sites
5+
<1% · 457 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running mod_perl in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using mod_perl
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | nasa.gov | 9.15/10 | 2,697,400 | 289,920 | Apr 2019 |
| 2 | berkeley.edu | 9.10/10 | 166,700 | 4,721 | Aug 2018 |
| 3 | noaa.gov | 9.07/10 | 1,233,000 | 125,205 | May 2019 |
| 4 | free.fr | 9.05/10 | 3,400 | 1,262 | Jan 2019 |
| 5 | princeton.edu | 8.98/10 | 244,600 | 46,551 | Jan 2021 |
| 6 | washington.edu | 8.96/10 | 663,900 | 86,604 | Aug 2018 |
| 7 | maine.gov | 8.93/10 | 1,108,600 | 366,560 | Mar 2024 |
| 8 | utexas.edu | 8.92/10 | 502,800 | 11,092 | Aug 2020 |
| 9 | uchicago.edu | 8.92/10 | 63,700 | 10,331 | Sep 2021 |
| 10 | gov.ru | 8.91/10 | 2,700 | 216 | Apr 2025 |
| 11 | heart.org | 8.85/10 | 3,118,800 | 377,461 | Nov 2024 |
| 12 | umd.edu | 8.85/10 | 253,200 | 15,103 | Aug 2018 |
| 13 | ufl.edu | 8.84/10 | 241,500 | 3,277 | Aug 2018 |
| 14 | ucsd.edu | 8.84/10 | 48,100 | 2,261 | Aug 2018 |
| 15 | utoronto.ca | 8.81/10 | 42,800 | 10,094 | Aug 2018 |
| 16 | sfu.ca | 8.80/10 | 210,600 | 61,463 | Aug 2018 |
| 17 | bu.edu | 8.77/10 | 804,600 | 234,428 | Dec 2020 |
| 18 | uci.edu | 8.76/10 | 94,600 | 9,503 | Jan 2016 |
| 19 | rutgers.edu | 8.75/10 | 146,600 | 28,567 | Aug 2018 |
| 20 | utah.edu | 8.74/10 | 474,500 | 10,126 | Aug 2018 |
| 21 | colorado.edu | 8.72/10 | 585,400 | 165,595 | Aug 2018 |
| 22 | uwaterloo.ca | 8.71/10 | 224,700 | 71,840 | Aug 2018 |
| 23 | anu.edu.au | 8.68/10 | 12,900 | 8,767 | Aug 2018 |
| 24 | uw.edu | 8.66/10 | - | 3 | Aug 2018 |
| 25 | caltech.edu | 8.65/10 | 148,200 | 20,173 | Aug 2018 |
| 26 | uq.edu.au | 8.65/10 | 9,700 | 1,554 | Aug 2022 |
| 27 | umass.edu | 8.64/10 | 346,800 | 74,804 | Aug 2018 |
| 28 | vanderbilt.edu | 8.63/10 | 265,200 | 51,240 | Jul 2026 |
| 29 | hawaii.edu | 8.62/10 | 117,100 | 43,233 | Apr 2019 |
| 30 | uic.edu | 8.61/10 | 68,900 | 11,201 | Jan 2016 |
| 31 | tum.de | 8.61/10 | 7,800 | 7,642 | Jul 2019 |
| 32 | dartmouth.edu | 8.60/10 | 37,800 | 10,895 | Jan 2016 |
| 33 | ucm.es | 8.60/10 | 15,000 | 16,497 | Aug 2018 |
| 34 | csic.es | 8.59/10 | 1,200 | 2,107 | Aug 2018 |
| 35 | univie.ac.at | 8.58/10 | 10,000 | 1,103 | Jan 2016 |
| 36 | unam.mx | 8.58/10 | 1,900 | 1,196 | Aug 2018 |
| 37 | cnr.it | 8.57/10 | 810 | 1,174 | Apr 2019 |
| 38 | kyoto-u.ac.jp | 8.57/10 | 4,800 | 3,548 | Sep 2018 |
| 39 | ucsc.edu | 8.56/10 | 72,800 | 11,228 | Jan 2024 |
| 40 | liu.se | 8.56/10 | 6,700 | 3,335 | Aug 2018 |
| 41 | arkansas.gov | 8.55/10 | 1,000 | 723 | Aug 2022 |
| 42 | missouri.edu | 8.55/10 | 111,500 | 9,960 | Oct 2023 |
| 43 | uoregon.edu | 8.55/10 | 156,500 | 8,436 | Aug 2018 |
| 44 | ucr.edu | 8.53/10 | 112,800 | 11,969 | May 2022 |
| 45 | fsu.edu | 8.53/10 | 245,500 | 9,405 | Aug 2018 |
| 46 | su.se | 8.53/10 | 31,900 | 7,908 | Aug 2018 |
| 47 | upm.es | 8.52/10 | 2,100 | 1,692 | Aug 2018 |
| 48 | unizar.es | 8.51/10 | 280 | 138 | Nov 2021 |
| 49 | greenend.org.uk | 8.47/10 | 54 | 76 | Oct 2017 |
| 50 | kobe-u.ac.jp | 8.44/10 | 2,400 | 1,229 | Aug 2018 |
| 51 | uwo.ca | 8.44/10 | 24,700 | 12,317 | Apr 2019 |
| 52 | lsu.edu | 8.42/10 | 344,300 | 58,083 | Jun 2025 |
| 53 | unh.edu | 8.42/10 | 157,800 | 35,868 | Aug 2018 |
| 54 | leeds.ac.uk | 8.41/10 | 8,300 | 5,209 | Oct 2025 |
| 55 | unipd.it | 8.41/10 | 3,000 | 3,552 | Aug 2018 |
| 56 | beniculturali.it | 8.41/10 | - | - | Apr 2020 |
| 57 | uni-lj.si | 8.37/10 | 3,200 | 359 | Aug 2018 |
| 58 | uqam.ca | 8.36/10 | 1,100 | 355 | Jul 2022 |
| 59 | ufmg.br | 8.36/10 | 3,300 | 1,765 | Aug 2018 |
| 60 | uib.no | 8.35/10 | 9,400 | 3,966 | Aug 2018 |
| 61 | unicamp.br | 8.34/10 | 860 | 1,061 | Aug 2018 |
| 62 | med.or.jp | 8.34/10 | 210 | 304 | Aug 2018 |
| 63 | jma.or.jp | 8.28/10 | 24 | 46 | Nov 2017 |
| 64 | kyushu-u.ac.jp | 8.28/10 | 680 | 731 | Feb 2020 |
| 65 | fiocruz.br | 8.27/10 | 500 | 722 | Aug 2018 |
| 66 | ulisboa.pt | 8.25/10 | 6,100 | 1,009 | Jun 2018 |
| 67 | umbc.edu | 8.24/10 | 70,000 | 11,630 | Jan 2016 |
| 68 | uibk.ac.at | 8.24/10 | 7,200 | 4,770 | Dec 2024 |
| 69 | wayne.edu | 8.24/10 | 157,300 | 20,945 | Aug 2018 |
| 70 | gda.pl | 8.24/10 | - | - | May 2017 |
| 71 | uj.edu.pl | 8.24/10 | 360 | 132 | Aug 2018 |
| 72 | jasso.go.jp | 8.23/10 | 790 | 794 | Sep 2021 |
| 73 | soton.ac.uk | 8.22/10 | - | - | Aug 2018 |
| 74 | pbase.com | 8.22/10 | 16,900 | 20,049 | Jan 2016 |
| 75 | polito.it | 8.21/10 | 13,800 | 2,655 | Aug 2018 |
| 76 | uba.ar | 8.21/10 | 670 | 586 | Aug 2018 |
| 77 | uc.pt | 8.21/10 | 3,500 | 1,118 | Aug 2018 |
| 78 | reading.ac.uk | 8.20/10 | 15,100 | 12,029 | Aug 2018 |
| 79 | rub.de | 8.19/10 | - | - | Jan 2019 |
| 80 | uni-ulm.de | 8.19/10 | 2,700 | 1,858 | Aug 2018 |
| 81 | uam.es | 8.19/10 | 910 | 1,945 | Aug 2018 |
| 82 | financialcontent.com | 8.18/10 | 63,500 | 8,067 | Dec 2018 |
| 83 | bfi.org.uk | 8.16/10 | 250,200 | 57,643 | Jan 2016 |
| 84 | unina.it | 8.10/10 | 2,800 | 1,842 | Aug 2018 |
| 85 | nau.edu | 8.09/10 | 99,400 | 13,776 | Aug 2018 |
| 86 | icm.edu.pl | 8.06/10 | 1 | 2 | Aug 2018 |
| 87 | binghamton.edu | 8.06/10 | 277,600 | 55,216 | Sep 2018 |
| 88 | strath.ac.uk | 8.04/10 | 16,900 | 8,662 | Aug 2018 |
| 89 | elte.hu | 8.04/10 | 1,100 | 915 | Aug 2018 |
| 90 | scoop.co.nz | 8.03/10 | 4,700 | 11,002 | Jan 2016 |
| 91 | msu.ru | 8.02/10 | 4,500 | 86 | Aug 2018 |
| 92 | msk.ru | 8.02/10 | - | - | May 2025 |
| 93 | bham.ac.uk | 8.02/10 | - | - | Feb 2019 |
| 94 | uea.ac.uk | 8.02/10 | 11,700 | 4,276 | May 2022 |
| 95 | bg.ac.rs | 8.02/10 | 68 | 28 | Jan 2019 |
| 96 | oulu.fi | 8.01/10 | 5,300 | 1,326 | Aug 2018 |
| 97 | uminho.pt | 8.01/10 | 300 | 85 | Aug 2018 |
| 98 | pref.nara.jp | 8.01/10 | 300 | 157 | Sep 2020 |
| 99 | isi.edu | 8.00/10 | 8,400 | 622 | Aug 2022 |
| 100 | madrid.org | 8.00/10 | 720 | 4,953 | 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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