Websites Powered by Web Worker Offloading
8,874 websites tracked using Web Worker Offloading (WordPress plugins) · wordpress.org
Web Worker Offloading is a WordPress plugin that adds functionality to a WordPress site. Its official site is wordpress.org. PoweredBy tracks the websites that use Web Worker Offloading 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
2K
4K
6K
Nov 2024
May 2025
Oct 2025
Apr 2026
Sep 2026
Domains observed using Web Worker Offloading in each month's HTTP Archive crawl,
Nov 2024 to Sep 2026 · peak 5,936 in Nov 2025. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.5 s
INP 75 ms
CLS 0
TTFB 1500 ms
Median site among 3,536 Web Worker Offloading sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
650
India
441
Brazil
406
United Kingdom
324
Germany
275
France
257
Spain
195
Indonesia
184
Sites using Web Worker Offloading by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| News and media | 0.22% | 94 |
| Industrial and manufacturing | 0.14% | 6 |
| Blogs and publishing | 0.11% | 28 |
| Non-profit and religious | 0.10% | 8 |
| Education | 0.09% | 43 |
| Professional services | 0.08% | 34 |
| Pets and animals | 0.07% | 2 |
| Beauty and wellness | 0.07% | 18 |
| Home and construction | 0.07% | 33 |
| Legal | 0.06% | 15 |
| Healthcare | 0.05% | 57 |
| Sports and fitness | 0.04% | 7 |
Share of each industry's websites with a detected stack that use Web Worker Offloading; industries come from what sites declare in their own structured data.
Top sites by authority
9+
<1% · 1 of 372 sites
8+
<1% · 8 of 7,677 sites
7+
<1% · 21 of 45,712 sites
6+
<1% · 34 of 110,136 sites
5+
<1% · 70 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Web Worker Offloading in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Web Worker Offloading
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | cloudfront.net | 9.47/10 | - | - | Feb 2026 |
| 2 | altervista.org | 8.66/10 | - | - | Feb 2025 |
| 3 | main.jp | 8.64/10 | - | - | Aug 2025 |
| 4 | sapo.pt | 8.49/10 | 10,100 | 29,601 | Jun 2025 |
| 5 | pp.ua | 8.37/10 | 22 | 5 | Aug 2025 |
| 6 | gov.mt | 8.13/10 | 3,400 | 1,456 | Nov 2025 |
| 7 | ui.ac.id | 8.04/10 | 190 | 21 | Feb 2025 |
| 8 | uva.es | 8.01/10 | 240 | 324 | Jul 2026 |
| 9 | awwa.org | 7.68/10 | 55,200 | 8,046 | Jul 2025 |
| 10 | evolution.com | 7.50/10 | 7,000 | 4,618 | Feb 2026 |
| 11 | ostrava.cz | 7.40/10 | 21 | 30 | Jun 2025 |
| 12 | uaic.ro | 7.36/10 | 920 | 126 | Feb 2026 |
| 13 | teachingamericanhistory.org | 7.32/10 | 129,600 | 34,654 | Feb 2026 |
| 14 | marsdd.com | 7.22/10 | 790 | 507 | Jul 2025 |
| 15 | wattsupwiththat.com | 7.11/10 | 1,900 | 1,611 | Jan 2026 |
| 16 | pcf.org | 7.10/10 | 43,600 | 3,079 | Oct 2025 |
| 17 | yorokobu.es | 7.06/10 | 310 | 834 | Feb 2025 |
| 18 | flyingmag.com | 7.04/10 | 86,100 | 48,771 | May 2025 |
| 19 | globalvillagespace.com | 7.02/10 | 1,600 | 3,350 | Nov 2024 |
| 20 | massart.edu | 7.02/10 | 30,500 | 11,798 | Dec 2024 |
| 21 | cultura.gob.cl | 7.00/10 | 360 | 1,378 | Feb 2026 |
| 22 | schibsted.com | 6.98/10 | 410 | 153 | Apr 2026 |
| 23 | investireoggi.it | 6.86/10 | 7 | 99 | Aug 2025 |
| 24 | dremio.com | 6.82/10 | 10,100 | 5,373 | Nov 2025 |
| 25 | rule.io | 6.72/10 | 560 | 71 | Aug 2025 |
| 26 | theedigital.com | 6.71/10 | 8,700 | 4,060 | Apr 2026 |
| 27 | avweb.com | 6.52/10 | 16,700 | 17,546 | Jun 2025 |
| 28 | naranjax.com | 6.34/10 | 940 | 1,658 | Feb 2025 |
| 29 | turns.jp | 6.23/10 | - | - | Oct 2025 |
| 30 | organiser.org | 6.10/10 | 5,300 | 7,783 | Aug 2025 |
| 31 | sts-timing.pl | 6.09/10 | 2 | 9 | Jul 2025 |
| 32 | newsx.com | 6.05/10 | 2,700 | 5,174 | Sep 2025 |
| 33 | earthscope.org | 6.03/10 | 3,300 | 1,039 | Jun 2025 |
| 34 | jurnal.id | 6.02/10 | 45 | 128 | Apr 2025 |
| 35 | vastgoednederland.nl | 5.94/10 | 2 | 4 | Apr 2025 |
| 36 | etu.edu.tr | 5.94/10 | 63 | 120 | Jun 2025 |
| 37 | cisoadvisor.com.br | 5.93/10 | 2 | 57 | Aug 2025 |
| 38 | c2cfirstaidaquatics.com | 5.91/10 | 1,700 | 1,938 | Sep 2025 |
| 39 | qrius.com | 5.89/10 | 7 | 44 | Oct 2025 |
| 40 | but.jp | 5.86/10 | - | - | Dec 2025 |
| 41 | msh-lse.fr | 5.85/10 | - | 2 | Oct 2025 |
| 42 | moika78.ru | 5.69/10 | 15 | 42 | Dec 2024 |
| 43 | necca.gov.gr | 5.55/10 | 110 | 36 | Aug 2025 |
| 44 | ipedis.com | 5.52/10 | - | 6 | May 2025 |
| 45 | theacdoctors.com | 5.51/10 | 1,100 | 1,217 | Sep 2026 |
| 46 | esu-services.ch | 5.49/10 | 17 | 54 | Dec 2025 |
| 47 | udca.edu.co | 5.45/10 | 38 | 191 | Aug 2025 |
| 48 | dojiggy.com | 5.35/10 | 3,300 | 4,004 | Mar 2025 |
| 49 | elciudadanoweb.com | 5.35/10 | 600 | 2,058 | Aug 2025 |
| 50 | ourescapeclause.com | 5.34/10 | 38,900 | 9,475 | Jun 2025 |
| 51 | sumauma.com | 5.32/10 | 1,100 | 707 | Jun 2025 |
| 52 | wonosobokab.go.id | 5.32/10 | - | - | Oct 2025 |
| 53 | hactoendplasticpollution.org | 5.31/10 | 41 | 55 | Jul 2025 |
| 54 | westcliff.edu | 5.31/10 | 14,600 | 4,751 | Apr 2025 |
| 55 | rule.se | 5.30/10 | 1 | 18 | Aug 2025 |
| 56 | tenews.org.ua | 5.30/10 | - | 1 | May 2025 |
| 57 | iffhs.de | 5.30/10 | 9 | 63 | Dec 2024 |
| 58 | tbexcon.com | 5.29/10 | 130 | 157 | Feb 2025 |
| 59 | fatosdesconhecidos.com.br | 5.29/10 | 32 | 333 | Feb 2025 |
| 60 | lundimatin.fr | 5.28/10 | 6 | 57 | Aug 2025 |
| 61 | gmb.io | 5.28/10 | 19,600 | 7,196 | Apr 2025 |
| 62 | shad.ca | 5.28/10 | 100 | 313 | Jun 2025 |
| 63 | navylookout.com | 5.28/10 | 2,600 | 2,401 | Aug 2025 |
| 64 | photoshoptutorials.ws | 5.28/10 | 800 | 977 | Nov 2024 |
| 65 | geeknative.com | 5.27/10 | 3,900 | 6,584 | Jul 2025 |
| 66 | ifnews.org.ua | 5.25/10 | - | - | May 2025 |
| 67 | suwa-tourism.jp | 5.09/10 | 37 | 23 | Sep 2025 |
| 68 | pindula.co.zw | 5.03/10 | 820 | 987 | Feb 2026 |
| 69 | mitur.gob.do | 5.02/10 | 190 | 24 | Jan 2026 |
| 70 | telaviva.com.br | 5.01/10 | 120 | 523 | Jul 2025 |
| 71 | pepsup.com | 4.94/10 | - | - | Aug 2025 |
| 72 | curtamais.com.br | 4.89/10 | - | - | Mar 2025 |
| 73 | metrokota.go.id | 4.81/10 | - | - | Feb 2025 |
| 74 | idusforlag.se | 4.75/10 | - | - | Nov 2024 |
| 75 | archicgi.com | 4.75/10 | 1,600 | 986 | Jul 2025 |
| 76 | planeandpilotmag.com | 4.74/10 | - | - | Jun 2025 |
| 77 | 2go.com.ph | 4.74/10 | 350 | 221 | Aug 2025 |
| 78 | geelark.com | 4.71/10 | - | - | Jan 2025 |
| 79 | castelis.com | 4.70/10 | - | - | Dec 2024 |
| 80 | careclinic.io | 4.70/10 | - | - | Jun 2025 |
| 81 | discoverykidslv.org | 4.70/10 | - | - | Oct 2025 |
| 82 | gwcindia.in | 4.70/10 | - | - | Aug 2025 |
| 83 | drewandjonathan.com | 4.69/10 | - | - | Jul 2025 |
| 84 | maid.com.hk | 4.69/10 | - | - | Sep 2025 |
| 85 | easyagentpro.com | 4.69/10 | - | - | Jun 2025 |
| 86 | hottytoddy.com | 4.69/10 | - | - | Jan 2025 |
| 87 | onecommunityglobal.org | 4.69/10 | - | - | Dec 2024 |
| 88 | tierpark-nordhorn.de | 4.69/10 | - | - | Aug 2025 |
| 89 | mediasat.info | 4.69/10 | - | - | Jun 2025 |
| 90 | digick.jp | 4.69/10 | - | - | Feb 2025 |
| 91 | cc.ua | 4.69/10 | - | - | Aug 2025 |
| 92 | elektromobilni.pl | 4.69/10 | - | - | Jun 2025 |
| 93 | apmd.ac.id | 4.69/10 | - | - | Feb 2025 |
| 94 | greenapples.store | 4.69/10 | - | - | Feb 2025 |
| 95 | arvidnordquist.se | 4.65/10 | 4 | 28 | Feb 2026 |
| 96 | aosca.org | 4.64/10 | 200 | 118 | Dec 2024 |
| 97 | dekoratorniatv.pl | 4.64/10 | - | - | Nov 2025 |
| 98 | hybridmlm.io | 4.63/10 | - | - | Mar 2026 |
| 99 | grandhotel-heiligendamm.de | 4.61/10 | - | - | Dec 2024 |
| 100 | e-logistyka.pl | 4.57/10 | - | - | 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) →
Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).
Compare Web Worker Offloading
- Web Worker Offloading vs Contact Form 7
- Web Worker Offloading vs RankMath SEO
- Web Worker Offloading vs Jetpack
- Web Worker Offloading vs MonsterInsights
- Web Worker Offloading vs WPForms