Websites Powered by Otter Blocks
18,575 websites tracked using Otter Blocks (WordPress plugins) · wordpress.org
Otter Blocks is a WordPress plugin that adds functionality to a WordPress site. Its official site is wordpress.org. PoweredBy tracks the websites that use Otter Blocks across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the wordpress plugins ecosystem.
Usage trend
2.5K
5K
7.5K
10K
Jan 2025
Jun 2025
Nov 2025
Apr 2026
Sep 2026
Domains observed using Otter Blocks in each month's HTTP Archive crawl,
Jan 2025 to Sep 2026 · peak 8,368 in Oct 2025. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2 s
INP 50 ms
CLS 0
TTFB 1100 ms
Median site among 7,226 Otter Blocks sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
1,361
Germany
723
Italy
663
France
638
United Kingdom
536
Spain
534
Poland
519
India
465
Sites using Otter Blocks by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Arts and entertainment | 0.22% | 90 |
| Education | 0.10% | 50 |
| Blogs and publishing | 0.09% | 23 |
| Professional services | 0.09% | 38 |
| Beauty and wellness | 0.08% | 20 |
| Legal | 0.08% | 18 |
| Non-profit and religious | 0.08% | 6 |
| Pets and animals | 0.07% | 2 |
| Sports and fitness | 0.07% | 12 |
| News and media | 0.07% | 28 |
| Government | 0.06% | 5 |
| Healthcare | 0.06% | 64 |
Share of each industry's websites with a detected stack that use Otter Blocks; industries come from what sites declare in their own structured data.
Top sites by authority
9+
<1% · 3 of 372 sites
8+
<1% · 44 of 7,677 sites
7+
<1% · 92 of 45,712 sites
6+
<1% · 128 of 110,136 sites
5+
<1% · 182 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Otter Blocks in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Otter Blocks
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | mhlw.go.jp | 9.08/10 | 15,300 | 12,761 | Jul 2026 |
| 2 | netlify.app | 9.01/10 | 2 | 2 | Jul 2026 |
| 3 | yale.edu | 9.01/10 | 177,900 | 5,845 | Aug 2025 |
| 4 | ox.ac.uk | 8.98/10 | 214,200 | 93,016 | Oct 2025 |
| 5 | spiegel.de | 8.96/10 | 26,500 | 34,282 | Jan 2025 |
| 6 | sakura.ne.jp | 8.95/10 | - | - | May 2026 |
| 7 | ufl.edu | 8.84/10 | 241,500 | 3,277 | Sep 2026 |
| 8 | illinois.edu | 8.83/10 | 47,000 | 3,612 | Jan 2025 |
| 9 | cnrs.fr | 8.82/10 | 4,300 | 2,992 | Jan 2025 |
| 10 | co.com | 8.67/10 | - | - | Jan 2026 |
| 11 | altervista.org | 8.66/10 | - | - | Jan 2025 |
| 12 | usp.br | 8.65/10 | 1 | 19 | Jan 2025 |
| 13 | krakow.pl | 8.59/10 | 690 | 649 | Mar 2025 |
| 14 | csic.es | 8.59/10 | 1,200 | 2,107 | Jan 2025 |
| 15 | unam.mx | 8.58/10 | 1,900 | 1,196 | Jan 2025 |
| 16 | cnr.it | 8.57/10 | 810 | 1,174 | Apr 2025 |
| 17 | nato.int | 8.55/10 | 340,700 | 121,553 | Jul 2025 |
| 18 | arkansas.gov | 8.55/10 | 1,000 | 723 | Oct 2025 |
| 19 | spb.ru | 8.53/10 | - | - | Jan 2025 |
| 20 | hostingersite.com | 8.49/10 | - | - | Aug 2025 |
| 21 | poznan.pl | 8.47/10 | 320 | 564 | Jan 2025 |
| 22 | gov.hu | 8.44/10 | - | - | Oct 2025 |
| 23 | polimi.it | 8.38/10 | 5,800 | 4,283 | Jan 2025 |
| 24 | york.ac.uk | 8.36/10 | 36,500 | 21,619 | Feb 2026 |
| 25 | ne.gov | 8.36/10 | 130 | 196 | Apr 2026 |
| 26 | uqam.ca | 8.36/10 | 1,100 | 355 | Mar 2025 |
| 27 | wroc.pl | 8.36/10 | - | - | Mar 2025 |
| 28 | ufmg.br | 8.36/10 | 3,300 | 1,765 | Jan 2025 |
| 29 | org.ru | 8.35/10 | - | - | Jan 2025 |
| 30 | ruhr-uni-bochum.de | 8.34/10 | 5,500 | 3,577 | May 2025 |
| 31 | up.pt | 8.30/10 | 2,100 | 1,076 | Nov 2025 |
| 32 | cuhk.edu.hk | 8.29/10 | 5,100 | 1,878 | Jan 2025 |
| 33 | unito.it | 8.25/10 | 630 | 627 | Apr 2025 |
| 34 | ufrj.br | 8.25/10 | 320 | 114 | Jan 2025 |
| 35 | uni-jena.de | 8.24/10 | 2,000 | 1,033 | Jan 2025 |
| 36 | wpcomstaging.com | 8.20/10 | - | - | Jan 2025 |
| 37 | lublin.pl | 8.17/10 | 4 | 3 | Jan 2025 |
| 38 | ufpr.br | 8.14/10 | 150 | 239 | Sep 2025 |
| 39 | cultura.gov.it | 8.09/10 | 670 | 1,458 | Jan 2025 |
| 40 | univ-amu.fr | 8.09/10 | 1,900 | 761 | Jul 2026 |
| 41 | amu.edu.pl | 8.05/10 | 990 | 373 | Apr 2025 |
| 42 | ui.ac.id | 8.04/10 | 190 | 21 | Sep 2025 |
| 43 | live-website.com | 8.02/10 | - | - | Dec 2025 |
| 44 | umk.pl | 8.00/10 | 240 | 151 | Feb 2025 |
| 45 | unlp.edu.ar | 7.99/10 | 960 | 1,360 | Jan 2025 |
| 46 | ucr.ac.cr | 7.90/10 | 3,300 | 1,872 | Mar 2025 |
| 47 | synology.me | 7.87/10 | - | - | Jan 2025 |
| 48 | sch.gr | 7.84/10 | 12 | 33 | Jan 2025 |
| 49 | bme.hu | 7.81/10 | 1,300 | 299 | Dec 2025 |
| 50 | sg-host.com | 7.79/10 | 43 | 2 | Jan 2025 |
| 51 | unipv.it | 7.76/10 | - | - | Jan 2025 |
| 52 | mahidol.ac.th | 7.73/10 | 1,200 | 212 | Jan 2025 |
| 53 | unair.ac.id | 7.68/10 | 1,500 | 2,279 | Jun 2026 |
| 54 | dost.gov.ph | 7.66/10 | 620 | 1,187 | Dec 2025 |
| 55 | univ-fcomte.fr | 7.66/10 | - | - | Mar 2026 |
| 56 | ekstrabladet.dk | 7.64/10 | 560 | 1,225 | Apr 2026 |
| 57 | python-requests.org | 7.63/10 | 4 | 63 | Dec 2025 |
| 58 | stars.ne.jp | 7.61/10 | - | - | Jun 2025 |
| 59 | ub.ac.id | 7.58/10 | 620 | 151 | Feb 2025 |
| 60 | uonbi.ac.ke | 7.56/10 | 2,100 | 880 | Feb 2025 |
| 61 | unileon.es | 7.48/10 | 470 | 687 | Aug 2026 |
| 62 | kpi.ua | 7.44/10 | 1,400 | 577 | Sep 2026 |
| 63 | unr.edu.ar | 7.44/10 | 770 | 966 | Jan 2025 |
| 64 | ac-lyon.fr | 7.44/10 | 49 | 202 | Oct 2025 |
| 65 | yamaguchi-u.ac.jp | 7.44/10 | 91 | 66 | Jan 2025 |
| 66 | eun.org | 7.43/10 | 920 | 92 | Feb 2025 |
| 67 | cri.it | 7.41/10 | 98 | 246 | Jan 2025 |
| 68 | kemendikdasmen.go.id | 7.38/10 | 60 | 213 | Apr 2026 |
| 69 | j3l.ch | 7.37/10 | 610 | 470 | Dec 2025 |
| 70 | bmkg.go.id | 7.35/10 | 930 | 1,178 | Jan 2025 |
| 71 | conncoll.edu | 7.34/10 | 29,700 | 7,876 | Jul 2025 |
| 72 | official.jp | 7.33/10 | - | - | Sep 2025 |
| 73 | royalroads.ca | 7.32/10 | 3,400 | 1,629 | May 2026 |
| 74 | paih.gov.pl | 7.32/10 | 250 | 257 | Jan 2025 |
| 75 | tecnm.mx | 7.31/10 | 200 | 443 | Jul 2025 |
| 76 | ase.ro | 7.30/10 | 200 | 98 | Jan 2025 |
| 77 | wpshout.com | 7.26/10 | 4,700 | 6,507 | Jan 2025 |
| 78 | tarnow.pl | 7.25/10 | 15 | 16 | Jan 2025 |
| 79 | elmercurio.com | 7.23/10 | 370 | 483 | Feb 2025 |
| 80 | fsc-deutschland.de | 7.19/10 | 3 | 33 | Aug 2026 |
| 81 | hospedagemdesites.ws | 7.18/10 | - | - | Jan 2025 |
| 82 | ncu.edu.tw | 7.12/10 | 360 | 225 | Jan 2025 |
| 83 | ipvanish.com | 7.09/10 | 42,500 | 13,925 | Jan 2025 |
| 84 | rcaap.pt | 7.06/10 | 13 | 69 | Feb 2025 |
| 85 | catholic.org.au | 7.05/10 | - | - | Feb 2025 |
| 86 | claimscon.org | 7.04/10 | 10,100 | 1,601 | Jan 2025 |
| 87 | knu.ua | 7.03/10 | 440 | 89 | Aug 2025 |
| 88 | dndi.org | 7.02/10 | 5,000 | 1,203 | Jan 2025 |
| 89 | diplomacy.edu | 7.02/10 | 26,200 | 4,663 | Jan 2025 |
| 90 | jena.de | 7.02/10 | - | - | Jan 2025 |
| 91 | amazonwatch.org | 7.02/10 | 820 | 1,228 | Jan 2025 |
| 92 | ulm.ac.id | 7.00/10 | 41 | 64 | Sep 2026 |
| 93 | cfbx.jp | 6.96/10 | - | - | Aug 2026 |
| 94 | adho.org | 6.88/10 | 27 | 37 | Feb 2026 |
| 95 | icrisat.org | 6.84/10 | 700 | 314 | Jan 2025 |
| 96 | tuiasi.ro | 6.80/10 | 18 | 32 | Jan 2025 |
| 97 | oaza.pl | 6.76/10 | 3 | 21 | Jan 2025 |
| 98 | sfedu.ru | 6.75/10 | 28 | 32 | Aug 2026 |
| 99 | obis.org | 6.73/10 | 13,400 | 1,605 | Aug 2026 |
| 100 | iti.gr | 6.73/10 | 4 | 26 | Mar 2026 |
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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