PHP 5.5.21 icon

Websites using PHP 5.5.21

PHP is a general-purpose scripting language used for web development.

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325 live PHP 5.5.21 sites, ready to export.

That's how many PHP 5.5.21 websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

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Every PHP 5.5.21 website we detected in Germany.

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 PHP 5.5.21 websites on .com domains.

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Live Websites

Websites Using PHP 5.5.21

A sample of live PHP 5.5.21 sites from our latest crawl, with the other technologies each one runs.

How many websites use PHP 5.5.21?

We found PHP 5.5.21 on 325 websites in our September 2026 crawl, across 39 countries.

Which countries use PHP 5.5.21 the most?

By number of websites, the top countries are Germany (33%, 106 sites), France (17%, 55 sites), Japan (8%, 27 sites), United States (5%, 16 sites) and Spain (5%, 15 sites). Together they account for 67% of the 325 PHP 5.5.21 sites we track. 23% of the sites are in German, and .de is the most used domain ending, on 24% of them.

Where are PHP 5.5.21 websites hosted?

The networks carrying the most PHP 5.5.21 sites are Mittwald CM Service GmbH & Co. KG (86 sites), OVH SAS (52 sites) and Amazon.com, Inc. (25 sites).

What technologies are used with PHP 5.5.21?

Across the 325 PHP 5.5.21 sites we track, the technologies most often found alongside it are Apache HTTP Server (89%, 288 sites), jQuery (75%, 244 sites), TYPO3 CMS (28%, 92 sites), Bootstrap (23%, 74 sites) and jQuery UI (22%, 72 sites).

Deep Dive

Breakdown of PHP 5.5.21 websites

What else they run, plus their language, hosting network, domain extension and country.

FAQ

Answers drawn from our latest crawl of PHP 5.5.21 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.