Websites Powered by CodeIgniter
228,037 websites tracked using CodeIgniter (Web frameworks) · codeigniter.com
CodeIgniter is a web application framework used to build the site's backend. Its official site is codeigniter.com. PoweredBy tracks the websites that use CodeIgniter across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the web frameworks ecosystem.
Usage trend
25K
50K
75K
100K
Apr 2018
Jun 2020
Jul 2022
Sep 2024
Oct 2026
Domains observed using CodeIgniter in each month's HTTP Archive crawl,
Apr 2018 to Oct 2026 · peak 85,777 in Jun 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.8 s
INP 75 ms
CLS 0
TTFB 800 ms
Median site among 74,506 CodeIgniter sites with Chrome UX data, p75 values, Sep 2026.
Top countries
India
17,612
Indonesia
13,224
United States
9,446
Brazil
5,775
United Kingdom
5,362
Türkiye
4,354
Germany
3,213
Japan
3,199
Sites using CodeIgniter by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Government | 2.02% | 190 |
| Education | 0.98% | 619 |
| Travel and hospitality | 0.63% | 539 |
| Non-profit and religious | 0.56% | 58 |
| News and media | 0.40% | 195 |
| Real estate | 0.39% | 320 |
| Finance and insurance | 0.35% | 73 |
| Professional services | 0.34% | 185 |
| Arts and entertainment | 0.32% | 163 |
| Healthcare | 0.28% | 349 |
| Industrial and manufacturing | 0.23% | 12 |
| Software and apps | 0.21% | 332 |
Share of each industry's websites with a detected stack that use CodeIgniter; industries come from what sites declare in their own structured data.
Top sites by authority
9+
3% · 12 of 372 sites
8+
2% · 174 of 7,677 sites
7+
2% · 715 of 45,712 sites
6+
1% · 1,338 of 110,136 sites
5+
<1% · 2,374 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running CodeIgniter in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using CodeIgniter
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | europa.eu | 9.57/10 | 42,200 | 31,835 | Dec 2024 |
| 2 | ca.gov | 9.23/10 | 1,455,600 | 26,086 | Sep 2021 |
| 3 | mit.edu | 9.18/10 | 163,800 | 31,239 | Sep 2021 |
| 4 | usda.gov | 9.14/10 | 474,600 | 136,928 | Sep 2021 |
| 5 | berkeley.edu | 9.10/10 | 166,700 | 4,721 | Sep 2021 |
| 6 | mhlw.go.jp | 9.08/10 | 15,300 | 12,761 | Jul 2024 |
| 7 | acm.org | 9.05/10 | 24,100 | 17,765 | Oct 2022 |
| 8 | oecd.org | 9.03/10 | 369,300 | 169,314 | Jun 2026 |
| 9 | netlify.app | 9.01/10 | 2 | 2 | Apr 2026 |
| 10 | psu.edu | 9.01/10 | 580,400 | 80,390 | Sep 2021 |
| 11 | uk.com | 9.00/10 | 2 | 12 | Aug 2021 |
| 12 | upenn.edu | 9.00/10 | 178,900 | 4,794 | Sep 2021 |
| 13 | ox.ac.uk | 8.98/10 | 214,200 | 93,016 | Aug 2021 |
| 14 | texas.gov | 8.98/10 | 917,200 | 38,560 | Sep 2021 |
| 15 | umn.edu | 8.96/10 | 78 | 51 | Aug 2022 |
| 16 | nsw.gov.au | 8.95/10 | 75,300 | 73,181 | Aug 2021 |
| 17 | sakura.ne.jp | 8.95/10 | - | - | Aug 2021 |
| 18 | jhu.edu | 8.93/10 | 177,300 | 5,821 | Aug 2022 |
| 19 | nyu.edu | 8.90/10 | 674,000 | 142,032 | Aug 2021 |
| 20 | azurewebsites.net | 8.87/10 | - | - | Aug 2021 |
| 21 | bmj.com | 8.87/10 | 189,700 | 104,481 | Aug 2023 |
| 22 | medlineplus.gov | 8.87/10 | 19,077,400 | 1,663,537 | Sep 2021 |
| 23 | us.com | 8.86/10 | 32 | 8 | Oct 2021 |
| 24 | smh.com.au | 8.86/10 | 190,800 | 204,181 | Aug 2021 |
| 25 | ouest-france.fr | 8.84/10 | 53,500 | 79,938 | Sep 2021 |
| 26 | ucsd.edu | 8.84/10 | 48,100 | 2,261 | Sep 2021 |
| 27 | uscourts.gov | 8.83/10 | 1,577,500 | 178,527 | Sep 2021 |
| 28 | it.com | 8.81/10 | - | - | Sep 2023 |
| 29 | utoronto.ca | 8.81/10 | 42,800 | 10,094 | Oct 2021 |
| 30 | utah.gov | 8.80/10 | 129,700 | 22,115 | Sep 2021 |
| 31 | eu.com | 8.77/10 | - | - | Sep 2021 |
| 32 | rutgers.edu | 8.75/10 | 146,600 | 28,567 | Apr 2023 |
| 33 | docomo.ne.jp | 8.71/10 | 4,100 | 2,896 | Nov 2021 |
| 34 | hku.hk | 8.70/10 | 6,000 | 1,100 | Aug 2021 |
| 35 | in.net | 8.69/10 | - | - | Aug 2021 |
| 36 | sina.com.cn | 8.68/10 | 5 | 27 | Sep 2021 |
| 37 | co.com | 8.67/10 | - | - | Aug 2022 |
| 38 | att.com | 8.67/10 | 9,543,600 | 448,398 | Sep 2021 |
| 39 | ed.ac.uk | 8.67/10 | 29,600 | 5,927 | Sep 2021 |
| 40 | wustl.edu | 8.66/10 | - | - | Dec 2023 |
| 41 | uga.edu | 8.65/10 | 234,500 | 2,950 | Sep 2021 |
| 42 | cuny.edu | 8.65/10 | 293,300 | 49,477 | Sep 2021 |
| 43 | usp.br | 8.65/10 | 1 | 19 | Jul 2022 |
| 44 | umass.edu | 8.64/10 | 346,800 | 74,804 | Sep 2021 |
| 45 | main.jp | 8.64/10 | - | - | Sep 2021 |
| 46 | alz.org | 8.63/10 | 260,600 | 64,277 | Jan 2024 |
| 47 | indianexpress.com | 8.62/10 | 534,500 | 436,027 | Aug 2021 |
| 48 | nus.edu.sg | 8.62/10 | 20,200 | 3,936 | Nov 2021 |
| 49 | nv.gov | 8.61/10 | 109,900 | 5,228 | Sep 2021 |
| 50 | youngminds.org.uk | 8.60/10 | 50,000 | 20,757 | Sep 2025 |
| 51 | thehindu.com | 8.60/10 | 415,000 | 333,882 | Feb 2025 |
| 52 | dartmouth.edu | 8.60/10 | 37,800 | 10,895 | Aug 2021 |
| 53 | developpement-durable.gouv.fr | 8.60/10 | - | - | Dec 2021 |
| 54 | krakow.pl | 8.59/10 | 690 | 649 | Jan 2016 |
| 55 | csic.es | 8.59/10 | 1,200 | 2,107 | Aug 2022 |
| 56 | unam.mx | 8.58/10 | 1,900 | 1,196 | Aug 2021 |
| 57 | euractiv.com | 8.57/10 | 33,100 | 21,691 | Sep 2021 |
| 58 | ualberta.ca | 8.57/10 | 69,300 | 47,780 | Aug 2021 |
| 59 | livemint.com | 8.56/10 | 376,200 | 388,102 | Aug 2022 |
| 60 | cuni.cz | 8.56/10 | 4,400 | 1,637 | Jan 2023 |
| 61 | arkansas.gov | 8.55/10 | 1,000 | 723 | Aug 2021 |
| 62 | aa.com.tr | 8.55/10 | 131,600 | 114,555 | Aug 2022 |
| 63 | missouri.edu | 8.55/10 | 111,500 | 9,960 | Sep 2021 |
| 64 | capgemini.com | 8.54/10 | 33,000 | 19,479 | Oct 2025 |
| 65 | sd.gov | 8.54/10 | 67,700 | 9,987 | Jun 2025 |
| 66 | juntadeandalucia.es | 8.54/10 | 5,400 | 17,242 | Aug 2022 |
| 67 | yorku.ca | 8.54/10 | 54,400 | 26,331 | Aug 2022 |
| 68 | vu.nl | 8.54/10 | 8,500 | 5,100 | May 2026 |
| 69 | spb.ru | 8.53/10 | - | - | Sep 2021 |
| 70 | wmo.int | 8.53/10 | 104,500 | 28,334 | Dec 2022 |
| 71 | gnavi.co.jp | 8.53/10 | 6 | 30 | Sep 2021 |
| 72 | mi.com | 8.52/10 | 148,900 | 81,168 | Sep 2023 |
| 73 | jp.net | 8.52/10 | 66 | 7 | Apr 2026 |
| 74 | eu.org | 8.51/10 | - | - | Aug 2021 |
| 75 | case.edu | 8.50/10 | 681,800 | 99,085 | Jul 2022 |
| 76 | hostingersite.com | 8.49/10 | - | - | Sep 2024 |
| 77 | texasattorneygeneral.gov | 8.49/10 | 411,500 | 114,984 | Sep 2021 |
| 78 | uni-tuebingen.de | 8.49/10 | 2,900 | 2,712 | Sep 2022 |
| 79 | unirioja.es | 8.48/10 | 620 | 1,912 | Aug 2022 |
| 80 | poznan.pl | 8.47/10 | 320 | 564 | Sep 2021 |
| 81 | lifeline.org.au | 8.46/10 | 2,100 | 2,550 | Sep 2021 |
| 82 | chunichi.co.jp | 8.46/10 | 590 | 83 | Sep 2021 |
| 83 | tate.org.uk | 8.44/10 | 721,100 | 81,293 | Apr 2025 |
| 84 | uk.net | 8.41/10 | - | - | Oct 2025 |
| 85 | nottingham.ac.uk | 8.41/10 | 117,200 | 39,587 | Sep 2021 |
| 86 | circle.so | 8.39/10 | 10,500 | 2,472 | Mar 2025 |
| 87 | informa.com | 8.38/10 | 6,500 | 2,662 | Oct 2021 |
| 88 | lodz.pl | 8.37/10 | 90 | 193 | Oct 2021 |
| 89 | securityweek.com | 8.36/10 | 14,700 | 14,395 | Dec 2022 |
| 90 | dyndns.org | 8.36/10 | - | - | Dec 2023 |
| 91 | fukuoka.lg.jp | 8.36/10 | - | - | Feb 2024 |
| 92 | wroc.pl | 8.36/10 | - | - | Sep 2021 |
| 93 | org.ru | 8.35/10 | - | - | Sep 2021 |
| 94 | uchile.cl | 8.35/10 | 1,900 | 3,976 | Sep 2021 |
| 95 | ssir.org | 8.34/10 | 11,700 | 8,533 | Sep 2021 |
| 96 | med.or.jp | 8.34/10 | 210 | 304 | Sep 2021 |
| 97 | outlookindia.com | 8.33/10 | 36,200 | 67,804 | Mar 2016 |
| 98 | cas.cz | 8.33/10 | - | - | Jun 2022 |
| 99 | mohfw.gov.in | 8.32/10 | 2,200 | 3,214 | Jan 2023 |
| 100 | city.nagoya.jp | 8.32/10 | 5 | 68 | Aug 2021 |
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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