| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Max Mega Menu WordPress plugin building advanced dropdown mega menus | 1.6M sites |
| Business Email & Productivity | |
| Microsoft 365 Microsoft suite for business email, office apps, and collaboration | 18.2M sites |
| Hosting & Cloud Providers | |
| A1Telekom-At A1 Telekom Austria Ag Austrian telecom and network operator providing connectivity infrastructure. | 37.3K sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| Privacy & Cookie Consent | |
| CookieYes Cookie consent and GDPR compliance banner solution | 3.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 43.5M sites |
| JavaScript Libraries & Widgets | |
| DataTables jQuery plugin adding sorting, paging, and search to tables | 977K sites |
| Swiper Modern touch slider and carousel library for web and mobile | 25M 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 |
| pickadate.js Lightweight JavaScript date and time picker | 278.8K sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Redis In-memory data store used for caching and messaging | 675.1K sites |
| Redis Object Cache WordPress plugin caching database objects in Redis | 573.6K sites |
| SEO & Content Discovery | |
| RSS Web feed format syndicating site content for readers and aggregators | 71.1M 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 |
| Redirection SEO | 2.6M sites |
| Wpforms | 2.2M sites |
| Cky | 1.1M sites |
| Cookieyes | 482.7K sites |
| WP Mail SMTP by WPForms – The Most Popular SMTP and Email Log Plugin Marketing & Email | 285.5K sites |
| Events Manager – Calendar, Bookings, Tickets, and more! Design & Themes | 42.4K sites |
| Oauth | 30.7K sites |
| SportsPress – Sports Club & League Manager Other | 10.8K sites |
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