Websites Powered by WordPress Super Cache
512,855 websites tracked using WordPress Super Cache (Caching) · z9.io
WP Super Cache is a widely used WordPress caching plugin that serves static HTML copies of pages to reduce server load and speed up delivery. It is detected from cache comments in the page output.
Usage trend
100K
200K
300K
Apr 2018
Apr 2020
Jun 2022
Jun 2024
Jun 2026
Domains observed using WordPress Super Cache in each month's HTTP Archive crawl,
Apr 2018 to Jun 2026 · peak 200,424 in Mar 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.2 s
INP 75 ms
CLS 0
TTFB 1200 ms
Median site among 158,625 WordPress Super Cache sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
32,645
France
17,705
Germany
17,188
Italy
13,491
Spain
13,361
Japan
13,351
United Kingdom
11,851
India
11,174
Sites using WordPress Super Cache by audience country, Chrome UX Report.
Top sites by authority
9+
5% · 19 of 372 sites
8+
4% · 342 of 7,677 sites
7+
2% · 1,010 of 45,712 sites
6+
2% · 1,863 of 110,136 sites
5+
1% · 3,347 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running WordPress Super Cache in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using WordPress Super Cache
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | wordpress.org | 9.63/10 | 253,100 | 80,064 | Dec 2023 |
| 2 | europa.eu | 9.57/10 | 42,200 | 31,835 | Dec 2020 |
| 3 | cloudfront.net | 9.47/10 | - | - | Oct 2020 |
| 4 | harvard.edu | 9.24/10 | 472,900 | 13,570 | Jul 2022 |
| 5 | ca.gov | 9.23/10 | 1,457,100 | 28,722 | Aug 2018 |
| 6 | un.org | 9.21/10 | 2,209,200 | 439,253 | Aug 2018 |
| 7 | mit.edu | 9.18/10 | 161,200 | 27,360 | Aug 2018 |
| 8 | admin.ch | 9.18/10 | 4,200 | 753 | Jun 2024 |
| 9 | berkeley.edu | 9.10/10 | 166,900 | 5,412 | Aug 2018 |
| 10 | cornell.edu | 9.10/10 | 242,100 | 23,854 | Apr 2019 |
| 11 | usatoday.com | 9.08/10 | 10,803,700 | 3,413,388 | May 2023 |
| 12 | mhlw.go.jp | 9.08/10 | 15,300 | 12,761 | Jun 2019 |
| 13 | state.gov | 9.07/10 | 3,314,200 | 200,218 | Aug 2018 |
| 14 | noaa.gov | 9.07/10 | 1,258,800 | 144,262 | Aug 2020 |
| 15 | acm.org | 9.05/10 | 24,100 | 17,765 | Jul 2019 |
| 16 | mayoclinic.org | 9.04/10 | 61,726,300 | 4,533,343 | Sep 2023 |
| 17 | b-cdn.net | 9.02/10 | - | - | Jan 2019 |
| 18 | columbia.edu | 9.02/10 | 770,900 | 41,349 | Aug 2018 |
| 19 | uk.com | 9.00/10 | 2 | 12 | Apr 2018 |
| 20 | ox.ac.uk | 8.98/10 | 214,200 | 93,016 | Aug 2018 |
| 21 | princeton.edu | 8.98/10 | 246,800 | 50,700 | Aug 2018 |
| 22 | texas.gov | 8.98/10 | 856,400 | 43,777 | Aug 2018 |
| 23 | cmu.edu | 8.97/10 | 436,800 | 81,774 | Jul 2019 |
| 24 | wisc.edu | 8.97/10 | 461,400 | 7,361 | Aug 2018 |
| 25 | washington.edu | 8.96/10 | 668,000 | 107,419 | Aug 2018 |
| 26 | umn.edu | 8.96/10 | 78 | 49 | Aug 2018 |
| 27 | nsw.gov.au | 8.95/10 | 75,300 | 73,181 | Aug 2018 |
| 28 | ethz.ch | 8.95/10 | 12,900 | 11,869 | Aug 2020 |
| 29 | sakura.ne.jp | 8.95/10 | - | - | Aug 2018 |
| 30 | ucla.edu | 8.93/10 | 412,200 | 14,756 | Aug 2018 |
| 31 | jhu.edu | 8.93/10 | 177,400 | 6,915 | Aug 2018 |
| 32 | wa.gov | 8.93/10 | 719,800 | 8,195 | Dec 2018 |
| 33 | bayern.de | 8.92/10 | 12,500 | 512 | Jul 2020 |
| 34 | utexas.edu | 8.92/10 | 503,000 | 11,984 | Aug 2018 |
| 35 | gov.ru | 8.91/10 | 2,700 | 216 | Mar 2023 |
| 36 | nyu.edu | 8.90/10 | 674,000 | 142,032 | Aug 2018 |
| 37 | duke.edu | 8.88/10 | 193,100 | 821 | Aug 2018 |
| 38 | azurewebsites.net | 8.87/10 | - | - | Feb 2019 |
| 39 | appspot.com | 8.87/10 | - | - | Jan 2019 |
| 40 | variety.com | 8.87/10 | 5,363,900 | 1,380,933 | Sep 2024 |
| 41 | cam.ac.uk | 8.87/10 | 208,200 | 35,354 | Jun 2020 |
| 42 | us.com | 8.86/10 | 32 | 9 | Jan 2019 |
| 43 | nami.org | 8.86/10 | 626,800 | 117,511 | Nov 2024 |
| 44 | purdue.edu | 8.86/10 | 744,800 | 169,159 | Jul 2019 |
| 45 | ouest-france.fr | 8.84/10 | 53,500 | 79,938 | Mar 2023 |
| 46 | ufl.edu | 8.84/10 | 241,600 | 3,624 | Aug 2018 |
| 47 | ubc.ca | 8.84/10 | 14,500 | 2,813 | Aug 2018 |
| 48 | illinois.edu | 8.83/10 | 47,000 | 4,065 | Aug 2018 |
| 49 | ct.gov | 8.83/10 | 4,800 | 35 | Nov 2023 |
| 50 | tokyo.lg.jp | 8.83/10 | - | - | Dec 2023 |
| 51 | maryland.gov | 8.82/10 | 173,300 | 7,828 | Aug 2018 |
| 52 | cnrs.fr | 8.82/10 | 4,300 | 2,992 | Feb 2019 |
| 53 | virginia.gov | 8.82/10 | 339,900 | 20,933 | Aug 2018 |
| 54 | it.com | 8.81/10 | - | - | Oct 2025 |
| 55 | rollingstone.com | 8.81/10 | 3,889,800 | 1,225,881 | Aug 2024 |
| 56 | utoronto.ca | 8.81/10 | 42,800 | 10,094 | Aug 2018 |
| 57 | seznam.cz | 8.80/10 | 11,300 | 1,169 | Aug 2018 |
| 58 | sfu.ca | 8.80/10 | 210,600 | 61,463 | Mar 2023 |
| 59 | utah.gov | 8.80/10 | 129,900 | 27,432 | Aug 2018 |
| 60 | msu.edu | 8.78/10 | 149,500 | 2,641 | Oct 2019 |
| 61 | mext.go.jp | 8.78/10 | 1,300 | 1,556 | May 2025 |
| 62 | eu.com | 8.77/10 | - | - | Jan 2019 |
| 63 | bu.edu | 8.77/10 | 813,200 | 295,729 | Jun 2020 |
| 64 | uci.edu | 8.76/10 | 94,700 | 9,859 | Aug 2018 |
| 65 | cern.ch | 8.76/10 | 950 | 261 | Oct 2025 |
| 66 | osu.edu | 8.76/10 | 163,600 | 14,045 | Aug 2018 |
| 67 | amnesty.org | 8.75/10 | 320,300 | 77,595 | Aug 2018 |
| 68 | berlin.de | 8.75/10 | 78,900 | 23,782 | Aug 2023 |
| 69 | rutgers.edu | 8.75/10 | 147,400 | 31,478 | Dec 2020 |
| 70 | utah.edu | 8.74/10 | 474,600 | 10,598 | Aug 2018 |
| 71 | epfl.ch | 8.74/10 | 12,900 | 6,546 | Feb 2024 |
| 72 | brown.edu | 8.73/10 | 377,100 | 26,065 | Aug 2018 |
| 73 | ncsu.edu | 8.72/10 | 155,900 | 15,968 | Nov 2018 |
| 74 | colorado.edu | 8.72/10 | 591,600 | 213,520 | Mar 2021 |
| 75 | u-tokyo.ac.jp | 8.71/10 | 25,200 | 7,795 | Aug 2018 |
| 76 | hku.hk | 8.70/10 | 6,000 | 1,100 | Aug 2018 |
| 77 | in.net | 8.69/10 | - | - | Apr 2019 |
| 78 | hessen.de | 8.69/10 | 110 | 145 | Dec 2020 |
| 79 | pitt.edu | 8.69/10 | 62,900 | 8,815 | Sep 2020 |
| 80 | xsrv.jp | 8.68/10 | - | - | Aug 2018 |
| 81 | co.com | 8.67/10 | - | - | Jan 2019 |
| 82 | ed.ac.uk | 8.67/10 | 29,600 | 5,927 | Aug 2022 |
| 83 | unl.edu | 8.67/10 | 64,000 | 6,655 | Nov 2022 |
| 84 | tawk.to | 8.66/10 | 4,800 | 1,736 | Nov 2024 |
| 85 | uw.edu | 8.66/10 | - | - | Aug 2018 |
| 86 | altervista.org | 8.66/10 | - | - | Aug 2018 |
| 87 | ru.com | 8.65/10 | - | - | Jan 2019 |
| 88 | uga.edu | 8.65/10 | 234,400 | 2,908 | Aug 2018 |
| 89 | cuny.edu | 8.65/10 | 294,000 | 61,388 | Apr 2018 |
| 90 | usp.br | 8.65/10 | 1 | 19 | Sep 2018 |
| 91 | iowa.gov | 8.64/10 | 68,900 | 16,059 | Dec 2020 |
| 92 | education.gouv.fr | 8.64/10 | 7,000 | 6,860 | Feb 2025 |
| 93 | csiro.au | 8.64/10 | 28,700 | 23,796 | Feb 2025 |
| 94 | main.jp | 8.64/10 | - | - | Aug 2018 |
| 95 | uiowa.edu | 8.63/10 | 93,200 | 14,896 | Aug 2018 |
| 96 | nh.gov | 8.63/10 | 193,800 | 6,712 | Mar 2023 |
| 97 | orf.at | 8.63/10 | 4,100 | 1,734 | Mar 2024 |
| 98 | buffalo.edu | 8.62/10 | 707,900 | 105,520 | Jul 2019 |
| 99 | com.de | 8.62/10 | 5 | 14 | Jan 2019 |
| 100 | colostate.edu | 8.62/10 | 189,200 | 11,352 | 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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