Websites Powered by Otter Blocks
17,760 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
May 2025
Oct 2025
Feb 2026
Jun 2026
Domains observed using Otter Blocks in each month's HTTP Archive crawl,
Jan 2025 to Jun 2026 · peak 8,368 in Oct 2025. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.9 s
INP 50 ms
CLS 0
TTFB 1100 ms
Median site among 7,364 Otter Blocks sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
1,580
Germany
815
Italy
746
France
724
United Kingdom
603
Poland
571
Spain
568
India
551
Sites using Otter Blocks by audience country, Chrome UX Report.
Top sites by authority
9+
<1% · 3 of 372 sites
8+
<1% · 49 of 7,677 sites
7+
<1% · 104 of 45,712 sites
6+
<1% · 135 of 110,136 sites
5+
<1% · 187 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 | wordpress.com | 9.50/10 | 466,100 | 94,206 | May 2025 |
| 2 | harvard.edu | 9.24/10 | 472,900 | 13,570 | Mar 2025 |
| 3 | yale.edu | 9.01/10 | 177,900 | 6,885 | 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 | ethz.ch | 8.95/10 | 12,900 | 11,869 | Oct 2025 |
| 7 | sakura.ne.jp | 8.95/10 | - | - | May 2026 |
| 8 | illinois.edu | 8.83/10 | 47,000 | 4,065 | Jan 2025 |
| 9 | cnrs.fr | 8.82/10 | 4,300 | 2,992 | Jan 2025 |
| 10 | utoronto.ca | 8.81/10 | 42,800 | 10,094 | Jan 2026 |
| 11 | wpenginepowered.com | 8.77/10 | - | - | Jan 2025 |
| 12 | eu.com | 8.77/10 | - | - | Aug 2025 |
| 13 | co.com | 8.67/10 | - | - | Jan 2026 |
| 14 | altervista.org | 8.66/10 | - | - | Jan 2025 |
| 15 | cuny.edu | 8.65/10 | 294,000 | 61,388 | Oct 2025 |
| 16 | usp.br | 8.65/10 | 1 | 19 | Jan 2025 |
| 17 | krakow.pl | 8.59/10 | 690 | 649 | Mar 2025 |
| 18 | csic.es | 8.59/10 | 1,200 | 2,107 | Jan 2025 |
| 19 | unam.mx | 8.58/10 | 1,900 | 1,196 | Jan 2025 |
| 20 | cnr.it | 8.57/10 | 810 | 1,174 | Apr 2025 |
| 21 | kyoto-u.ac.jp | 8.57/10 | 4,800 | 3,548 | Jan 2025 |
| 22 | cuni.cz | 8.56/10 | 4,400 | 1,637 | May 2026 |
| 23 | nato.int | 8.55/10 | 340,700 | 121,553 | Jul 2025 |
| 24 | arkansas.gov | 8.55/10 | 1,000 | 768 | Oct 2025 |
| 25 | spb.ru | 8.53/10 | - | - | Jan 2025 |
| 26 | poznan.pl | 8.47/10 | 320 | 564 | Jan 2025 |
| 27 | gov.hu | 8.44/10 | - | - | Oct 2025 |
| 28 | polimi.it | 8.38/10 | 5,800 | 4,283 | Jan 2025 |
| 29 | st-andrews.ac.uk | 8.36/10 | 48,900 | 16,687 | Feb 2025 |
| 30 | york.ac.uk | 8.36/10 | 36,500 | 21,619 | Feb 2026 |
| 31 | ne.gov | 8.36/10 | 71 | 79 | Apr 2026 |
| 32 | uqam.ca | 8.36/10 | 1,100 | 355 | Mar 2025 |
| 33 | wroc.pl | 8.36/10 | - | - | Mar 2025 |
| 34 | ufmg.br | 8.36/10 | 3,300 | 1,765 | Jan 2025 |
| 35 | org.ru | 8.35/10 | - | - | Jan 2025 |
| 36 | ruhr-uni-bochum.de | 8.34/10 | 5,500 | 3,577 | May 2025 |
| 37 | cvut.cz | 8.34/10 | 1,200 | 214 | May 2025 |
| 38 | unipi.it | 8.32/10 | 1,500 | 1,950 | May 2025 |
| 39 | cuhk.edu.hk | 8.29/10 | 5,100 | 1,878 | Jan 2025 |
| 40 | unito.it | 8.25/10 | 630 | 627 | Apr 2025 |
| 41 | ufrj.br | 8.25/10 | 320 | 114 | Jan 2025 |
| 42 | uni-jena.de | 8.24/10 | 2,000 | 1,033 | Jan 2025 |
| 43 | lublin.pl | 8.17/10 | 4 | 3 | Jan 2025 |
| 44 | ufpr.br | 8.14/10 | 150 | 239 | Sep 2025 |
| 45 | cultura.gov.it | 8.09/10 | 670 | 1,458 | Jan 2025 |
| 46 | amu.edu.pl | 8.05/10 | 990 | 373 | Apr 2025 |
| 47 | ui.ac.id | 8.04/10 | 190 | 21 | Sep 2025 |
| 48 | live-website.com | 8.02/10 | - | - | Dec 2025 |
| 49 | umk.pl | 8.00/10 | 240 | 151 | Feb 2025 |
| 50 | unlp.edu.ar | 7.99/10 | 960 | 1,360 | Jan 2025 |
| 51 | ssl-lolipop.jp | 7.94/10 | - | - | Jan 2025 |
| 52 | ucr.ac.cr | 7.90/10 | 3,300 | 1,872 | Mar 2025 |
| 53 | pw.edu.pl | 7.90/10 | 95 | 170 | May 2026 |
| 54 | synology.me | 7.87/10 | - | - | Jan 2025 |
| 55 | sch.gr | 7.84/10 | 12 | 33 | Jan 2025 |
| 56 | ac-versailles.fr | 7.82/10 | 97 | 231 | Apr 2026 |
| 57 | bme.hu | 7.81/10 | 1,300 | 299 | Dec 2025 |
| 58 | sg-host.com | 7.79/10 | 43 | 2 | Jan 2025 |
| 59 | usc.es | 7.79/10 | 37 | 177 | Jun 2026 |
| 60 | unipv.it | 7.76/10 | - | - | Jan 2025 |
| 61 | mahidol.ac.th | 7.73/10 | 1,200 | 212 | Jan 2025 |
| 62 | unair.ac.id | 7.68/10 | 1,500 | 2,279 | Jun 2026 |
| 63 | dost.gov.ph | 7.66/10 | 620 | 1,187 | Dec 2025 |
| 64 | univ-fcomte.fr | 7.66/10 | - | - | Mar 2026 |
| 65 | ekstrabladet.dk | 7.64/10 | 560 | 1,225 | Apr 2026 |
| 66 | python-requests.org | 7.63/10 | 4 | 63 | Dec 2025 |
| 67 | stars.ne.jp | 7.61/10 | - | - | Jun 2025 |
| 68 | unmsm.edu.pe | 7.46/10 | 390 | 705 | Sep 2025 |
| 69 | unr.edu.ar | 7.44/10 | 770 | 966 | Jan 2025 |
| 70 | ac-lyon.fr | 7.44/10 | 49 | 202 | Oct 2025 |
| 71 | yamaguchi-u.ac.jp | 7.44/10 | 91 | 66 | Jan 2025 |
| 72 | eun.org | 7.43/10 | 920 | 92 | Feb 2025 |
| 73 | cri.it | 7.41/10 | 98 | 246 | Jan 2025 |
| 74 | upr.edu | 7.41/10 | 4,200 | 1,098 | May 2026 |
| 75 | utfpr.edu.br | 7.41/10 | 720 | 201 | Jan 2025 |
| 76 | kemendikdasmen.go.id | 7.38/10 | 60 | 213 | Apr 2026 |
| 77 | j3l.ch | 7.37/10 | 610 | 470 | Dec 2025 |
| 78 | azores.gov.pt | 7.36/10 | 1 | 2 | Jan 2025 |
| 79 | bmkg.go.id | 7.35/10 | 930 | 1,178 | Jan 2025 |
| 80 | royalroads.ca | 7.32/10 | 3,400 | 1,629 | May 2026 |
| 81 | immigrantjustice.org | 7.32/10 | 106,500 | 19,682 | Mar 2026 |
| 82 | paih.gov.pl | 7.32/10 | 250 | 257 | Jan 2025 |
| 83 | tecnm.mx | 7.31/10 | 200 | 443 | Jul 2025 |
| 84 | pk.edu.pl | 7.31/10 | 66 | 18 | Feb 2025 |
| 85 | ase.ro | 7.30/10 | 200 | 98 | Jan 2025 |
| 86 | wpshout.com | 7.26/10 | 4,700 | 6,507 | Jan 2025 |
| 87 | tarnow.pl | 7.25/10 | 15 | 16 | Jan 2025 |
| 88 | elmercurio.com | 7.23/10 | 370 | 483 | Feb 2025 |
| 89 | hospedagemdesites.ws | 7.18/10 | - | - | Jan 2025 |
| 90 | ncu.edu.tw | 7.12/10 | 360 | 225 | Jan 2025 |
| 91 | koszalin.pl | 7.11/10 | 19 | 2 | Mar 2025 |
| 92 | securesite.jp | 7.10/10 | - | - | Jan 2025 |
| 93 | ipvanish.com | 7.09/10 | 42,500 | 15,340 | Jan 2025 |
| 94 | hutton.ac.uk | 7.06/10 | 1,200 | 503 | Jan 2025 |
| 95 | rcaap.pt | 7.06/10 | 13 | 69 | Feb 2025 |
| 96 | catholic.org.au | 7.05/10 | - | - | Feb 2025 |
| 97 | claimscon.org | 7.04/10 | 10,400 | 2,046 | Jan 2025 |
| 98 | knu.ua | 7.03/10 | 440 | 89 | Aug 2025 |
| 99 | dndi.org | 7.02/10 | 5,000 | 1,203 | Jan 2025 |
| 100 | diplomacy.edu | 7.02/10 | 27,900 | 5,126 | Jan 2025 |
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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