| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Web Analytics & Measurement | |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 63.8M sites |
| Hosting & Cloud Providers | |
| Hetzner German provider of dedicated servers and cloud hosting | 6M sites |
| Web Servers & Operating Systems | |
| LiteSpeed High-performance web server known for speed and caching | 39.6M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| Clipboard.js Lightweight JavaScript library for copying text to clipboard | 1.2M sites |
| SweetAlert2 JavaScript library for styled, responsive popup alerts | 1.5M sites |
| Underscore.js JavaScript utility library offering functional programming helpers | 6.3M 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 |
| Contact Form 7 Forms & Popups | 7.3M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 5.1M sites |
| Wpcom | 2.2M sites |
| My Jetpack | 2.1M sites |
| Jetpack Boost – Website Speed, Performance and Critical CSS Performance & Speed | 2.1M sites |
| Complianz | 1.4M sites |
| Hub Connector | 1.2M sites |
| Code Snippets Design & Themes | 1.1M sites |
| Wp Smush | 1.1M sites |
| Cptui | 447.7K sites |
| Kb Mailerlite | 382.9K sites |
| Kb Fluentcrm | 382.6K sites |
| Kbp | 381.9K sites |
| Kb Lottieanimation | 379.7K sites |
| Kb Image Picker | 370.9K sites |
| Kb Design Library | 367.6K sites |
| Kb Getresponse | 366.6K sites |
| Kb Vector | 346.8K sites |
| User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder Commerce & Selling | 31.9K sites |
| Content Control – The Ultimate Content Restriction Plugin! Restrict Content, Create Conditional Blocks & More Commerce & Selling | 23.4K sites |
| Mfb | 8.2K sites |
| Spl Weather | 8K sites |
| Acf_views | 1.9K sites |
| Advanced_views | 1.9K sites |
| Under The Weather Design & Themes | 46 sites |
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