Websites using Yoast SEO 21.x
Yoast SEO is a search engine optimisation plugin for WordPress and other platforms.
150.8k live Yoast SEO 21.x sites, ready to export.
That's how many Yoast SEO 21.x websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Every Yoast SEO 21.x website we detected in the United States.
Only sites where a personal, company-hosted email was found.
Sites with at least one personnel LinkedIn profile.
Start with the highest-traffic end of the dataset.
Limit results to Yoast SEO 21.x websites on .com domains.
Only sites where an organisation phone number was found.
Which Yoast SEO 21.x versions are most used?
We could read a version number on over 99% of Yoast SEO 21.x sites. Of those, the most common are Yoast SEO 21.5, on 23,250 sites, Yoast SEO 21.7, on 19,834 sites and Yoast SEO 21.1, on 17,953 sites.
- Versions detected
- 20
- Sites with a version
- 150,840
Websites Using Yoast SEO 21.x
A sample of live Yoast SEO 21.x sites from our latest crawl, with the other technologies each one runs.
| Domain | Also runs | Crawl Date |
|---|---|---|
| madamedessert.de | September 28, 2026 | |
| luxaraa.ir | September 27, 2026 | |
| lpp.co.id | September 27, 2026 | |
| kgcinemas.com | September 27, 2026 | |
| kenavo-nuisibles.fr | September 27, 2026 | |
| kankohso.co.jp | September 27, 2026 | |
| itpe.mx | September 27, 2026 | |
| innovationdemocratie.org | September 27, 2026 | |
| igaleno.com | September 27, 2026 | |
| hotelcasanicole.com | September 27, 2026 |
How many websites use Yoast SEO 21.x?
We found Yoast SEO 21.x on 150,842 websites in our September 2026 crawl, across 187 countries.
Which countries use Yoast SEO 21.x the most?
By number of websites, the top countries are United States (12%, 17,629 sites), Germany (10%, 14,921 sites), France (9%, 13,392 sites), Italy (5%, 7,900 sites) and United Kingdom (4%, 6,456 sites). Together they account for 40% of the 150,842 Yoast SEO 21.x sites we track. 36% of the sites are in English, and .com is the most used domain ending, on 40% of them.
Where are Yoast SEO 21.x websites hosted?
The networks carrying the most Yoast SEO 21.x sites are Cloudflare, Inc. (14,336 sites), OVH SAS (10,172 sites) and Hostinger International Limited (9,733 sites).
What technologies are used with Yoast SEO 21.x?
Across the 150,842 Yoast SEO 21.x sites we track, the technologies most often found alongside it are WordPress (100%, 150,842 sites), PHP (over 99%, 149,696 sites), MySQL (over 99%, 149,581 sites), jQuery (92%, 138,811 sites) and jQuery Migrate (81%, 122,325 sites).
Breakdown of Yoast SEO 21.x websites
What else they run, plus their language, hosting network, domain extension and country.
| Technology | Sites |
|---|---|
WordPress | 150,842 |
PHP | 149,696 |
MySQL | 149,581 |
jQuery | 138,811 |
|
jQuery Migrate | 122,325 |
Contact Form 7 | 54,965 |
HTTP/3 | 52,069 |
Apache HTTP Server | 51,443 |
Elementor | 51,264 |
Google Analytics | 50,729 |
Nginx | 38,134 |
| imagesLoaded | 32,056 |
Bootstrap | 31,239 |
LiteSpeed | 30,146 |
|
WordPress Block Editor | 28,469 |
reCAPTCHA | 27,816 |
Cloudflare | 25,952 |
Underscore.js | 23,879 |
WooCommerce | 23,682 |
Google Tag Manager | 23,544 |
Site Kit | 22,692 |
Slider Revolution | 22,163 |
wpBakery | 17,623 |
Gravatar | 17,348 |
Magnific Popup | 17,096 |
| Language | Sites |
|---|---|
| English | 53,834 |
| French | 13,699 |
| German | 12,808 |
| Spanish | 10,299 |
| Italian | 7,230 |
| Russian | 5,945 |
| Dutch | 4,974 |
| Polish | 4,743 |
| Portuguese | 4,370 |
| Japanese | 3,694 |
| Latin | 2,399 |
| Vietnamese | 2,011 |
| Turkish | 1,674 |
| Danish | 1,586 |
| Thai | 1,404 |
| Czech | 1,400 |
| Swedish | 1,332 |
| Persian | 1,323 |
| Indonesian | 1,322 |
| Hebrew | 1,266 |
| Hungarian | 1,093 |
| Romanian | 999 |
| Chinese | 988 |
| Slovak | 942 |
| Greek | 850 |
| ASN | Sites |
|---|---|
| Cloudflare, Inc. | 14,336 |
| OVH SAS | 10,172 |
| Hostinger International Limited | 9,733 |
| IONOS SE | 6,895 |
| Hetzner Online GmbH | 4,951 |
| Aruba S.p.A. | 3,683 |
| Cloudflare London, LLC | 3,283 |
| Amazon.com, Inc. | 3,263 |
| GoDaddy.com, LLC | 2,849 |
| Strato GmbH | 2,849 |
| DigitalOcean, LLC | 2,563 |
| Google LLC | 2,371 |
| Neue Medien Muennich GmbH | 2,204 |
| O2switch SAS | 2,039 |
| Combell NV | 1,894 |
| CLOUDFLARENET | 1,732 |
| Xserver Inc. | 1,731 |
| Beget LLC | 1,672 |
| Host Europe GmbH | 1,530 |
| One.com A/S | 1,508 |
| WebSupport s.r.o. | 1,458 |
| WHG Hosting Services Ltd | 1,406 |
| Cyber_Folks S.A. | 1,309 |
| Namecheap, Inc. | 1,242 |
| Infomaniak Network SA | 1,080 |
| TLD | Sites |
|---|---|
| com | 61,001 |
| de | 9,215 |
| fr | 6,450 |
| it | 5,390 |
| pl | 4,311 |
| uk | 4,213 |
| org | 4,169 |
| ru | 4,047 |
| nl | 4,006 |
| net | 2,961 |
| es | 2,611 |
| br | 2,501 |
| au | 2,254 |
| dk | 1,570 |
| jp | 1,497 |
| eu | 1,450 |
| ch | 1,391 |
| cz | 1,368 |
| ca | 1,335 |
| be | 1,285 |
| se | 1,216 |
| il | 1,070 |
| hu | 1,068 |
| gr | 1,036 |
| za | 974 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 17,629 |
| 🇩🇪 Germany | 14,921 |
| Unknown | 14,652 |
| 🇫🇷 France | 13,392 |
| 🇮🇹 Italy | 7,900 |
| 🇬🇧 United Kingdom | 6,456 |
| 🇪🇸 Spain | 6,357 |
| 🇳🇱 Netherlands | 5,270 |
| 🇷🇺 Russia | 5,183 |
| 🇵🇱 Poland | 5,107 |
| 🇯🇵 Japan | 3,778 |
| 🇧🇷 Brazil | 2,831 |
| 🇨🇦 Canada | 2,722 |
| 🇦🇺 Australia | 2,631 |
| 🇮🇳 India | 2,374 |
| 🇩🇰 Denmark | 2,029 |
| 🇨🇾 Cyprus | 1,990 |
| 🇨🇭 Switzerland | 1,931 |
| 🇻🇳 Vietnam | 1,833 |
| 🇨🇿 Czech Republic | 1,567 |
| 🇧🇪 Belgium | 1,512 |
| 🇸🇬 Singapore | 1,488 |
| 🇸🇪 Sweden | 1,476 |
| 🇹🇷 Turkey | 1,363 |
| 🇮🇱 Israel | 1,280 |
FAQ
Answers drawn from our latest crawl of Yoast SEO 21.x websites. Anything else, email us and we will look it up.
Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.