| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Astra Lightweight, customizable WordPress theme for many site types | 5.8M sites |
| Gutenberg Block-based content editor project for WordPress | 2.4M sites |
| Spectra WordPress plugin adding blocks and templates to the editor | 830.3K sites |
| WordPress Block Editor Block-based content editor built into modern WordPress | 15.7M sites |
| Hosting & Cloud Providers | |
| Dfn Verein Zur Foerderung Eines Deutschen Forschungsnetzes E.V. German research and education network operator providing connectivity. | 16.4K sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 79.2M sites |
| Ubuntu Popular Linux operating system used for servers | 18M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| MetaSlider WordPress plugin creating responsive image sliders | 669.3K sites |
| Slick Responsive carousel and slider library for web pages | 9.9M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 11M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 114.7M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 53M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| Nps Survey | 3M sites |
| Astra | 1.9M sites |
| Yoast Duplicate Post Other | 1.8M sites |
| Zipwp | 1.1M sites |
| Gutenberg Templates | 1.1M sites |
| Zipwp Images | 1.1M sites |
| One Onboarding | 899.8K sites |
| Uag | 543.4K sites |
| Spectra | 542K sites |
| Metaslider | 362.4K sites |
| WP Rollback – Rollback Plugins and Themes Other | 204.4K sites |
| Shield | 29.3K sites |
| Neurogenesis Styler – Block Editor Typography, Spacing & Design Controls Design & Themes | 6 sites |
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