Websites Powered by CentOS
226,786 websites tracked using CentOS (Operating systems) · centos.org
CentOS is a server operating system the site runs on. Its official site is centos.org. PoweredBy tracks the websites that use CentOS across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the operating systems ecosystem.
Usage trend
50K
100K
150K
Apr 2018
Jun 2020
Jul 2022
Sep 2024
Oct 2026
Domains observed using CentOS in each month's HTTP Archive crawl,
Apr 2018 to Oct 2026 · peak 118,511 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 62,749 CentOS sites with Chrome UX data, p75 values, Sep 2026.
Top countries
Japan
13,364
United States
12,631
India
7,375
South Korea
6,485
Italy
6,135
United Kingdom
5,698
Germany
5,581
Brazil
5,311
Sites using CentOS by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Government | 0.82% | 77 |
| Beauty and wellness | 0.74% | 230 |
| Games | 0.38% | 27 |
| Education | 0.32% | 203 |
| Sports and fitness | 0.25% | 54 |
| Arts and entertainment | 0.20% | 104 |
| News and media | 0.13% | 64 |
| Blogs and publishing | 0.12% | 35 |
| Non-profit and religious | 0.11% | 11 |
| Healthcare | 0.08% | 106 |
| Software and apps | 0.08% | 126 |
| Finance and insurance | 0.07% | 15 |
Share of each industry's websites with a detected stack that use CentOS; industries come from what sites declare in their own structured data.
Top sites by authority
9+
3% · 11 of 372 sites
8+
3% · 268 of 7,677 sites
7+
2% · 862 of 45,712 sites
6+
1% · 1,457 of 110,136 sites
5+
<1% · 2,310 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running CentOS in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using CentOS
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 301 | nihon-u.ac.jp | 7.92/10 | 550 | 67 | Jan 2016 |
| 302 | mts.ru | 7.91/10 | - | - | Aug 2020 |
| 303 | eprints.org | 7.90/10 | 110 | 22 | Jun 2017 |
| 304 | education.gov.in | 7.90/10 | 10,200 | 10,857 | Jan 2023 |
| 305 | iitkgp.ac.in | 7.90/10 | 580 | 618 | Aug 2018 |
| 306 | ucr.ac.cr | 7.90/10 | 3,300 | 1,872 | May 2016 |
| 307 | pw.edu.pl | 7.90/10 | 95 | 170 | Aug 2018 |
| 308 | jorudan.co.jp | 7.90/10 | 10 | 65 | Aug 2018 |
| 309 | jaf.or.jp | 7.90/10 | 7 | 32 | Nov 2025 |
| 310 | kobe-np.co.jp | 7.90/10 | 78 | 155 | Aug 2018 |
| 311 | museoreinasofia.es | 7.90/10 | 11,500 | 6,163 | Aug 2018 |
| 312 | tec.mx | 7.89/10 | 5,800 | 3,653 | Aug 2018 |
| 313 | pref.iwate.jp | 7.89/10 | 170 | 103 | Mar 2025 |
| 314 | nagios.org | 7.88/10 | 2,500 | 1,453 | Aug 2023 |
| 315 | net.ru | 7.88/10 | - | 4 | Jul 2016 |
| 316 | inflibnet.ac.in | 7.88/10 | 99 | 199 | Jan 2016 |
| 317 | yamaguchi.lg.jp | 7.88/10 | - | - | Dec 2020 |
| 318 | synology.me | 7.87/10 | - | - | May 2021 |
| 319 | dothome.co.kr | 7.87/10 | - | 1 | Aug 2018 |
| 320 | r7.com | 7.87/10 | 790 | 331 | Apr 2025 |
| 321 | comune.roma.it | 7.87/10 | 4,200 | 3,266 | Jun 2018 |
| 322 | up.ac.za | 7.87/10 | 12,000 | 6,808 | Jul 2023 |
| 323 | uniroma3.it | 7.87/10 | 1,200 | 497 | Sep 2018 |
| 324 | unisa.it | 7.86/10 | 72 | 170 | Jan 2017 |
| 325 | mase.gov.it | 7.86/10 | 580 | 724 | Jul 2024 |
| 326 | okayama-u.ac.jp | 7.86/10 | 250 | 213 | Aug 2018 |
| 327 | arrl.org | 7.85/10 | 118,500 | 11,653 | Jan 2016 |
| 328 | kemkes.go.id | 7.85/10 | 200 | 256 | Aug 2018 |
| 329 | lowyinstitute.org | 7.85/10 | 59,200 | 27,887 | Apr 2019 |
| 330 | scripps.edu | 7.85/10 | 26,900 | 8,176 | Jan 2016 |
| 331 | u-paris.fr | 7.85/10 | 2,500 | 2,150 | Mar 2020 |
| 332 | unal.edu.co | 7.85/10 | 1,200 | 240 | Jun 2018 |
| 333 | upatras.gr | 7.85/10 | 290 | 93 | Aug 2018 |
| 334 | ufc.br | 7.85/10 | 280 | 529 | Aug 2018 |
| 335 | idref.fr | 7.84/10 | 77 | 580 | May 2017 |
| 336 | vatlib.it | 7.84/10 | - | - | Oct 2017 |
| 337 | sch.gr | 7.84/10 | 12 | 33 | Aug 2018 |
| 338 | udg.mx | 7.84/10 | 1,700 | 2,925 | Aug 2018 |
| 339 | forth.gr | 7.83/10 | 77 | 61 | Jan 2019 |
| 340 | njoag.gov | 7.83/10 | 59,500 | 24,181 | Jan 2021 |
| 341 | uerj.br | 7.83/10 | 330 | 207 | Jan 2016 |
| 342 | zju.edu.cn | 7.82/10 | 3,200 | 1,281 | Mar 2023 |
| 343 | polytechnique.fr | 7.82/10 | - | - | Aug 2022 |
| 344 | mit.gov.it | 7.82/10 | 590 | 713 | Jun 2020 |
| 345 | vutbr.cz | 7.82/10 | 4 | 1 | Aug 2018 |
| 346 | bme.hu | 7.81/10 | 1,300 | 299 | Aug 2018 |
| 347 | twitcasting.tv | 7.81/10 | 110 | 141 | Mar 2022 |
| 348 | ulg.ac.be | 7.81/10 | - | - | Aug 2018 |
| 349 | hi.is | 7.81/10 | 2,200 | 209 | Aug 2018 |
| 350 | image-net.org | 7.80/10 | 1,100 | 1,205 | Jan 2016 |
| 351 | callofduty.com | 7.80/10 | 697,900 | 184,956 | Oct 2021 |
| 352 | huma-num.fr | 7.80/10 | 2 | 5 | Aug 2022 |
| 353 | vub.ac.be | 7.80/10 | - | - | May 2019 |
| 354 | miyazaki.lg.jp | 7.80/10 | - | - | Aug 2018 |
| 355 | ufrn.br | 7.80/10 | 37 | 165 | Aug 2018 |
| 356 | tn.gov.in | 7.79/10 | 14,700 | 1,327 | Aug 2018 |
| 357 | unican.es | 7.79/10 | - | - | Oct 2020 |
| 358 | unice.fr | 7.79/10 | 760 | 180 | May 2017 |
| 359 | ujaen.es | 7.79/10 | 350 | 622 | Apr 2020 |
| 360 | uca.es | 7.79/10 | 580 | 632 | Jan 2019 |
| 361 | usc.es | 7.79/10 | 37 | 177 | Aug 2018 |
| 362 | mikecrm.com | 7.78/10 | 15 | 1 | Jan 2016 |
| 363 | e-junkie.com | 7.78/10 | 500 | 425 | Aug 2018 |
| 364 | ulpgc.es | 7.78/10 | 170 | 450 | Dec 2016 |
| 365 | archi.fr | 7.78/10 | - | - | Aug 2018 |
| 366 | ufpe.br | 7.78/10 | 42,700 | 34,698 | Jul 2017 |
| 367 | kemenag.go.id | 7.77/10 | 970 | 1,186 | Aug 2018 |
| 368 | jfa.jp | 7.77/10 | 32,800 | 1,959 | May 2021 |
| 369 | ufscar.br | 7.77/10 | 150 | 114 | Aug 2018 |
| 370 | avex.jp | 7.77/10 | 490 | 444 | Aug 2019 |
| 371 | weblink.in | 7.76/10 | 10 | 13 | Jan 2016 |
| 372 | luiss.it | 7.76/10 | 770 | 252 | Jan 2016 |
| 373 | torun.pl | 7.76/10 | 24 | 161 | Aug 2018 |
| 374 | unipv.it | 7.76/10 | - | - | Aug 2018 |
| 375 | unica.it | 7.76/10 | 49 | 153 | Jul 2019 |
| 376 | pucrs.br | 7.76/10 | 270 | 235 | Aug 2018 |
| 377 | uem.br | 7.76/10 | 21 | 19 | Jan 2016 |
| 378 | moph.go.th | 7.75/10 | 8 | 9 | Aug 2018 |
| 379 | chmi.cz | 7.75/10 | 610 | 595 | Aug 2022 |
| 380 | mma.gov.br | 7.75/10 | - | - | Jun 2020 |
| 381 | wellesley.edu | 7.75/10 | 25,200 | 5,719 | Aug 2018 |
| 382 | univ-poitiers.fr | 7.75/10 | 200 | 117 | Oct 2017 |
| 383 | tkj.jp | 7.75/10 | 120 | 358 | Dec 2025 |
| 384 | pakistantoday.com.pk | 7.74/10 | 3,500 | 5,454 | Aug 2020 |
| 385 | u-szeged.hu | 7.74/10 | 880 | 213 | Aug 2018 |
| 386 | chuo-u.ac.jp | 7.74/10 | 430 | 163 | Aug 2018 |
| 387 | unipa.it | 7.74/10 | 2,800 | 1,399 | Aug 2018 |
| 388 | u-bourgogne.fr | 7.74/10 | - | - | Dec 2020 |
| 389 | uoc.gr | 7.73/10 | 44 | 79 | Aug 2018 |
| 390 | hkust.edu.hk | 7.72/10 | 5,900 | 1,875 | Mar 2021 |
| 391 | telangana.gov.in | 7.72/10 | 1,600 | 468 | Feb 2019 |
| 392 | iisc.ac.in | 7.72/10 | 3,800 | 6,692 | Jul 2016 |
| 393 | arin.net | 7.71/10 | 27,100 | 4,075 | May 2017 |
| 394 | hinet.net | 7.71/10 | 120 | 43 | Aug 2018 |
| 395 | hpa.gov.tw | 7.71/10 | 68 | 135 | May 2026 |
| 396 | latindex.org | 7.71/10 | 71 | 271 | Apr 2022 |
| 397 | regione.campania.it | 7.71/10 | 180 | 516 | Jan 2016 |
| 398 | ul.pt | 7.71/10 | - | - | May 2017 |
| 399 | uam.mx | 7.71/10 | 350 | 1,140 | Aug 2018 |
| 400 | poczta-polska.pl | 7.70/10 | 470 | 694 | Jan 2019 |
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).