| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Web Analytics & Measurement | |
| Google Analytics Google platform measuring website traffic and visitor behavior | 59.7M sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 15.8M sites |
| Hosting & Cloud Providers | |
| DigitalOcean Cloud hosting provider offering virtual servers and services | 2.3M sites |
| CDN & Edge Delivery | |
| BootstrapCDN CDN delivering Bootstrap CSS and JavaScript assets | 2.1M sites |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 161.4M sites |
| cdnjs Free public CDN hosting popular open-source JavaScript libraries | 18.2M 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 | |
| Nginx High-performance web server and reverse proxy widely deployed | 153.2M 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 |
| PWA Progressive web app technology enabling installable, offline-capable sites | 29.8M sites |
| JavaScript Libraries & Widgets | |
| OWL Carousel Touch-enabled jQuery carousel and slider library | 10.2M sites |
| Popper JavaScript positioning engine for tooltips and popovers | 5.4M sites |
| Swiper Modern touch slider and carousel library for web and mobile | 25M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 114.7M sites |
| jQuery BlockUI jQuery plugin that blocks page interaction during AJAX requests. | 191.2K 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 |
| Media, Maps & Social | |
| YouTube Video hosting platform whose players embed into web pages | 8M sites |
| SEO & Content Discovery | |
| 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 |
| Contact Form 7 Forms & Popups | 7.3M sites |
| Ithemes Security | 754.7K sites |
| Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App Marketing & Email | 306.5K sites |
| Psd | 287.7K sites |
| Liquidweb | 266.2K sites |
| Simple Resources Plugin Other | 208 sites |
| Wpar | 57 sites |
| Sermons | 33 sites |
| Homework | 3 sites |
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