| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 23.4M sites |
| Redux Framework Options framework used by WordPress themes and plugins | 1.7M sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 15.8M sites |
| Mailcheck JavaScript utility suggesting corrections for mistyped email addresses | 1.2M sites |
| Popup Maker WordPress plugin for creating popups, modals, and opt-in forms. | 194.8K sites |
| Hosting & Cloud Providers | |
| IONOS Web hosting and domain provider offering managed plans | 12.6M 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 |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 43.5M sites |
| JavaScript Libraries & Widgets | |
| Infinite Scroll JavaScript library loading page content automatically while scrolling | 964.2K sites |
| Lightbox JavaScript script displaying images in an overlay popup | 7.6M sites |
| Modernizr JavaScript library detecting browser feature support | 7.5M sites |
| OWL Carousel Touch-enabled jQuery carousel and slider library | 10.2M sites |
| Slider Revolution Popular slider and visual content builder for WordPress sites | 6.6M 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 |
| mobile-detect.js JavaScript library detecting mobile devices from user agent. | 113.3K sites |
| parallax.js JavaScript library creating parallax scrolling background effects | 5.9M sites |
| punycode JavaScript utility encoding internationalized domain names | 1.3M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| Media, Maps & Social | |
| Google Maps Embeddable interactive maps and location services from Google | 12M sites |
| Instagram Feed for WordPress WordPress plugin embedding Instagram feeds on a site | 1.9M sites |
| Smash Balloon Instagram Feed WordPress plugin displaying customizable Instagram feeds | 1.7M sites |
| SEO & Content Discovery | |
| All in One SEO WordPress plugin managing SEO settings, sitemaps, and metadata | 4.7M sites |
| All in One SEO Pack WordPress plugin managing SEO settings, sitemaps, and metadata | 4.2M sites |
| Google Generic Google service or script detected on the site | 32.3M sites |
| 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 |
| 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 |
| Elementor Website Builder – more than just a page builder Design & Themes | 8.8M sites |
| Contact Form 7 Forms & Popups | 7.3M sites |
| Elementor Ai | 7.1M sites |
| Elementor One | 5.7M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 4M sites |
| Nps Survey | 3M sites |
| Aioseo | 1.5M sites |
| Mc4wp | 1M sites |
| Pum | 537.2K sites |
| Popup Maker – Boost Sales, Conversions, Optins, Subscribers with the Ultimate WP Popup Builder Marketing & Email | 397.8K sites |
| Redux | 141.4K sites |
| Presto Player Content & Media | 67.8K sites |
| Extendify Design & Themes | 10K sites |
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