| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| ColorMag Free magazine WordPress theme by ThemeGrill. | 71.2K sites |
| ContentViews WordPress plugin displaying posts in grids and layouts | 219.8K sites |
| ThemeGrill ColorMag Magazine-style WordPress theme by ThemeGrill. | 73.3K sites |
| Hosting & Cloud Providers | |
| As-Zxcs Network operator and autonomous system for internet infrastructure. | 397.4K sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 79.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| FitVids.JS JavaScript utility making embedded videos responsive | 5M sites |
| Lightbox JavaScript script displaying images in an overlay popup | 7.6M sites |
| bxSlider Responsive jQuery content slider and carousel library | 1.6M 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 |
| Media, Maps & Social | |
| FooPlugins FooGallery WordPress image gallery plugin. | 52K sites |
| ShareThis Social sharing buttons and engagement widget for sites | 527.1K sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 151.8M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 21.4M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| Yoast | 9.2M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 4M sites |
| Wordfence Login Security Security & Privacy | 2.4M sites |
| Hub Connector | 1.2M sites |
| Wp Smush | 1.1M sites |
| Photo Gallery by FooGallery : Responsive Image Gallery, Masonry Gallery & Carousel Content & Media | 128K sites |
| Contentviews | 78.8K sites |
| Koko Analytics – Privacy-Friendly WordPress Analytics Analytics | 52.1K sites |
| Book Review Block Other | 674 sites |
| Rcno | 374 sites |
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