| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 58.6M sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 11.8M sites |
| Hosting & Cloud Providers | |
| Bluehost Popular shared and WordPress web hosting provider. | 9.9M sites |
| Oracle Cloud Oracle cloud platform for hosting and compute services | 8.2M sites |
| Security & Bot Defense | |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 13.2M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 72.1M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 93.5M sites |
| Front-End Frameworks & UI Toolkits | |
| Bootstrap Popular CSS and component framework for responsive layouts | 39M sites |
| JavaScript Libraries & Widgets | |
| FitVids.JS JavaScript utility making embedded videos responsive | 3.9M sites |
| Infinite Scroll JavaScript library loading page content automatically while scrolling | 731.1K sites |
| Lightbox JavaScript script displaying images in an overlay popup | 5.9M sites |
| Modernizr JavaScript library detecting browser feature support | 5.9M sites |
| Packery JavaScript layout library arranging elements in grids | 322K sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 8.4M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 93.8M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 40.4M sites |
| parallax.js JavaScript library creating parallax scrolling background effects | 4.9M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 60.6M sites |
| Media, Maps & Social | |
| Chart.js JavaScript library rendering charts on HTML canvas | 1.1M sites |
| Google Maps Embeddable interactive maps and location services from Google | 9.7M sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 133.1M sites |
| RSS Web feed format syndicating site content for readers and aggregators | 55.3M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 58.5M sites |
| other | |
| Tiki Wiki CMS Groupware Open source wiki, content management and collaboration system | 7.1K sites |
| Contact Form 7 Forms & Popups | 10.4M sites |
| Yoast Duplicate Post Other | 2.6M sites |
| Ut | 73 sites |
| UltimaTour Contact Forms Marketing & Email | 49 sites |
A free account doubles your daily searches.