---
title: "Server Version Disclosure: 14.8% of Top 1M Sites - PageSpeed Matters"
url: https://www.pagespeedmatters.com/resources/data-studies/server-version-disclosure
description: "14.8% of top 1M homepages that send a Server header (101,917 of 688,733) include a version number, and 74,068 send their PHP version in X-Powered-By, 29,155 of them on PHP 5 or 7."
lang: en
---

Server Version Disclosure: 14.8% of Top 1M Sites (https://www.pagespeedmatters.com/resources/data-studies/server-version-disclosure)

14.8% of top 1M homepages that send a Server header (101,917 of 688,733) include a version number, and 74,068 send their PHP version in X-Powered-By, 29,155 of them on PHP 5 or 7.

Share of homepages with a Server header that show a version, by tier

Top 10K 8.3%

Top 100K 12.9%

Rest of top 1M 15%

Source: PageSpeed Matters. HTTP Archive top 1M crawl, Sept 2026, mobile.

Base is homepages that send a Server header; each tier excludes the tiers above it.

Source: Server Version Disclosure: 14.8% of Top 1M Sites - PageSpeed Matters (https://www.pagespeedmatters.com/resources/data-studies/server-version-disclosure)