| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 49.9M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 53.8M sites |
| Hosting & Cloud Providers | |
| OVH European hosting and cloud infrastructure provider | 9.5M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 129.2M sites |
| Really Simple SSL & Security WordPress plugin enforcing HTTPS and hardening site security | 4.9M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 72.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| JavaScript Libraries & Widgets | |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 8.4M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 93.8M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 60.6M sites |
| Performance & Optimization | |
| WP Fastest Cache WordPress caching plugin improving page load speed | 858K sites |
| SEO & Content Discovery | |
| All in One SEO WordPress plugin managing SEO settings, sitemaps, and metadata | 3.4M sites |
| All in One SEO Pack WordPress plugin managing SEO settings, sitemaps, and metadata | 3M sites |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 133.1M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 55.3M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 94.4M sites |
| other | |
| Auberge | 2K sites |
| Akismet Anti-spam: Spam Protection Social & Community | 5.8M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 5.8M sites |
| Wordfence Login Security Security & Privacy | 4.1M sites |
| Monsterinsights | 2.5M sites |
| Aioseo | 2.1M sites |
| Ithemes Security | 1.1M sites |
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