PHP is the server-side language behind most content management systems on the web.
About 2,290,828 websites in the PageSourceSearch index contain the code that reveals it; the 49 highest-ranked are listed below.
How is PHP (.php URLs) detected?
Same-site links ending in .php point at PHP scripts on the site's own server. The discovery keyword is the exact bytes PageSourceSearch looks for in every stored page and script:
A literal is matched byte for byte, case-sensitively. Combine it with another keyword, a domain, a kind or a date filter on the search page to narrow the list. About PHP (.php URLs)
Top 50 websites using PHP (.php URLs)
Ranked by the domain's position in the crawl's ranked list (Common Crawl harmonic centrality), highest first. view source opens the stored page or script with the match highlighted. Computed 2026-10-04 20:10:01 UTC; the list stopped short of 50 because the search's budget ran out.
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How does PageSourceSearch know a website uses PHP (.php URLs)?
By the source itself: Same-site links ending in .php point at PHP scripts on the site's own server. PageSourceSearch stores the raw HTML and first-party JavaScript of each crawled site and matches the keyword byte for byte, so every listed site's stored source contains it.
Is this a complete list of websites using PHP (.php URLs)?
No. The page lists the 50 highest-ranked sites in the index whose source holds the keyword, out of about 2,290,828 websites that do; the count is the index's estimate at the time the list was computed. Run the keyword as a search to page through all of them, or add a kind or date filter.
How do I find websites that use PHP (.php URLs) together with another technology?
Search for both keywords at once: several terms separated by spaces must all be found on the same site, or with the Same page toggle in the same page. For example href="/[^"?#]*\.php[?"#] with wp-content/plugins/ lists the WordPress sites that use PHP (.php URLs).