Websites using Yoast SEO 21.4-rc1
Yoast SEO is a search engine optimisation plugin for WordPress and other platforms.
3 live Yoast SEO 21.4-rc1 sites, ready to export.
That's how many Yoast SEO 21.4-rc1 websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Every Yoast SEO 21.4-rc1 website we detected in Denmark.
Only sites where a business, company-hosted email was found.
Sites with at least one business LinkedIn profile.
Start with the highest-traffic end of the dataset.
Limit results to Yoast SEO 21.4-rc1 websites on .com domains.
Websites Using Yoast SEO 21.4-rc1
A sample of live Yoast SEO 21.4-rc1 sites from our latest crawl, with the other technologies each one runs.
| Domain | Also runs | Crawl Date |
|---|---|---|
| c2c-online.co.uk | September 16, 2026 | |
| c2cmods.com | August 11, 2026 | |
| herlevbygade2.dk | May 20, 2026 |
How many websites use Yoast SEO 21.4-rc1?
We found Yoast SEO 21.4-rc1 on 3 websites in our September 2026 crawl, across 3 countries.
Which countries use Yoast SEO 21.4-rc1 the most?
By number of websites, the top countries are Denmark (33%, 1 site), United Kingdom (33%, 1 site) and United States (33%, 1 site). Together they account for 100% of the 3 Yoast SEO 21.4-rc1 sites we track. 33% of the sites are in Danish, and .com is the most used domain ending, on 33% of them.
Where are Yoast SEO 21.4-rc1 websites hosted?
The networks carrying the most Yoast SEO 21.4-rc1 sites are DXTL (1 site), Hetzner Online GmbH (1 site) and Microsoft Corporation (1 site).
What technologies are used with Yoast SEO 21.4-rc1?
Across the 3 Yoast SEO 21.4-rc1 sites we track, the technologies most often found alongside it are MySQL (100%, 3 sites), PHP (100%, 3 sites), WordPress (100%, 3 sites), jQuery (100%, 3 sites) and Breadcrumb NavXT (67%, 2 sites).
Breakdown of Yoast SEO 21.4-rc1 websites
What else they run, plus their language, hosting network, domain extension and country.
| Language | Sites |
|---|---|
| Danish | 1 |
| English | 1 |
| Chinese | 1 |
| ASN | Sites |
|---|---|
| DXTL | 1 |
| Hetzner Online GmbH | 1 |
| Microsoft Corporation | 1 |
| TLD | Sites |
|---|---|
| com | 1 |
| dk | 1 |
| uk | 1 |
| Country | Sites |
|---|---|
| 🇩🇰 Denmark | 1 |
| 🇬🇧 United Kingdom | 1 |
| 🇺🇸 United States | 1 |
FAQ
Answers drawn from our latest crawl of Yoast SEO 21.4-rc1 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.