| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Think Up Themes Consulting Business consulting WordPress theme for professional service sites. | 34.3K sites |
| WPML WordPress plugin for building multilingual websites | 1.9M sites |
| wpBakery Drag-and-drop page builder plugin for WordPress | 4.3M sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 59.7M sites |
| Customer Chat & Support | |
| WhatsApp Business Chat Widget letting visitors start WhatsApp conversations with businesses | 5.9M sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 15.8M sites |
| Hosting & Cloud Providers | |
| Hetzner German provider of dedicated servers and cloud hosting | 6M sites |
| CDN & Edge Delivery | |
| Google Hosted Libraries Google CDN serving popular open-source JavaScript libraries | 10.1M sites |
| jQuery CDN Content delivery network serving the jQuery library | 7.4M sites |
| jsDelivr Free open-source CDN for JavaScript, CSS, and assets | 19.2M sites |
| Security & Bot Defense | |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 16M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 79.2M sites |
| Debian Stable Linux operating system commonly used on servers | 2.9M 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 |
| Magnific Popup Responsive lightbox and popup library for images and content | 8.2M 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 |
| Performance & Optimization | |
| EWWW Image Optimizer WordPress plugin compressing and optimizing images | 559.6K sites |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| WP Fastest Cache WordPress caching plugin improving page load speed | 1.1M sites |
| Media, Maps & Social | |
| EmbedPlus WordPress plugin embedding enhanced YouTube videos and galleries | 259.2K sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 151.8M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 21.4M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| Yoast | 9.2M sites |
| Contact Form 7 Forms & Popups | 7.3M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 4M sites |
| Redirection SEO | 2.6M sites |
| Wordfence Login Security Security & Privacy | 2.4M sites |
| Hub Connector | 1.2M sites |
| Ai1wm | 1.2M sites |
| Wpmudev_pcs | 878.7K sites |
| Otgs | 769.5K sites |
| Wpml | 722.5K sites |
| Pum | 537.2K sites |
| Popup Maker – Boost Sales, Conversions, Optins, Subscribers with the Ultimate WP Popup Builder Marketing & Email | 397.8K sites |
| Wpmudev_blc | 374K sites |
| Health Check & Troubleshooting Other | 229.4K sites |
| Aio Login | 38.7K sites |
| Contextual Related Posts SEO | 34.8K sites |
| Swift Switcher — Bulk & Custom Post Type Converter Content & Media | 594 sites |
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