| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 77.2M sites |
| WordPress Themes & Plugins | |
| WordPress Block Editor Block-based content editor built into modern WordPress | 16M sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 60.9M sites |
| Customer Chat & Support | |
| Joinchat WordPress plugin connecting visitors to WhatsApp chat | 819.3K sites |
| WhatsApp Business Chat Widget letting visitors start WhatsApp conversations with businesses | 6M sites |
| Hosting & Cloud Providers | |
| IONOS Web hosting and domain provider offering managed plans | 12.9M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 82.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 117.2M sites |
| JavaScript Libraries & Widgets | |
| Modernizr JavaScript library detecting browser feature support | 7.6M sites |
| OWL Carousel Touch-enabled jQuery carousel and slider library | 10.4M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 11.2M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 117.3M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 53.9M sites |
| sidr jQuery plugin creating responsive side menus | 414.4K sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 79.4M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 77.7M sites |
| SEO & Content Discovery | |
| All in One SEO WordPress plugin managing SEO settings, sitemaps, and metadata | 4.8M sites |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 158.1M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 72.4M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 21.7M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 73M sites |
| Google Font API Google service delivering free web fonts to websites | 110M sites |
| Yoast | 9.2M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 4M sites |
| Aioseo | 1.5M sites |
| Joinchat | 206.3K sites |
| Tenwebio | 46.2K sites |
| Tenweb_so | 46.2K sites |
| PDFDraft – Drag & Drop PDF Builder, PDF Viewer, Embed & Download PDF, Certificate & Invoice Designer Other | 87 sites |
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