| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 56.5M sites |
| Web Analytics & Measurement | |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 52.2M sites |
| Advertising & Conversion Tracking | |
| Google AdSense Google program displaying ads and monetizing site content | 3.9M sites |
| Email & Push Marketing | |
| Zoho Business software suite including CRM and productivity tools | 2.3M sites |
| Marketing & Email Campaigns | |
| Rich Plugins Reviews WordPress plugin collecting and displaying customer reviews | 207.7K sites |
| Customer Chat & Support | |
| Booking Factory | 216 sites |
| Joinchat WordPress plugin connecting visitors to WhatsApp chat | 600.5K sites |
| WhatsApp Business Chat Widget letting visitors start WhatsApp conversations with businesses | 4.5M sites |
| Forms & Lead Capture | |
| Conditional Fields for Contact Form 7 WordPress add-on adding conditional logic to Contact Form 7 | 218.7K sites |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 11.5M sites |
| Communications | |
| Amazon SES Amazon service for sending transactional and bulk email | 1.3M sites |
| Hosting & Cloud Providers | |
| Microsoft Azure Microsoft cloud platform for hosting and compute services | 4.8M sites |
| Plesk Web hosting control panel for managing servers and sites | 5.4M sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 170.6M sites |
| cdnjs Free public CDN hosting popular open-source JavaScript libraries | 14.9M sites |
| jsDelivr Free open-source CDN for JavaScript, CSS, and assets | 16.5M sites |
| Security & Bot Defense | |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 12.9M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 136.8M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 89.1M sites |
| Front-End Frameworks & UI Toolkits | |
| PWA Progressive web app technology enabling installable, offline-capable sites | 26.5M sites |
| JavaScript Libraries & Widgets | |
| FancyBox JavaScript lightbox library for displaying images and media | 2.2M sites |
| Lightbox JavaScript script displaying images in an overlay popup | 5.8M sites |
| Slick Responsive carousel and slider library for web pages | 7.4M sites |
| Swiper Modern touch slider and carousel library for web and mobile | 19.4M sites |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 90.4M sites |
| jQuery Migrate Compatibility shim restoring deprecated jQuery APIs for older code | 39.3M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 58.4M sites |
| Media, Maps & Social | |
| Polylang WordPress plugin for building multilingual and translated sites | 400.8K sites |
| Vimeo Video hosting platform whose players embed into web pages | 1.1M sites |
| SEO & Content Discovery | |
| Google Generic Google service or script detected on the site | 34.7M sites |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 122.9M sites |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 16M sites |
| Fonts & Icons | |
| Google Font API Google service delivering free web fonts to websites | 87.6M sites |
| other | |
| SiteMinder Booking engine and channel manager for hotels | 3.1K sites |
| Yoast | 13.5M sites |
| Contact Form 7 Forms & Popups | 10.3M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 5.7M sites |
| Wordfence Login Security Security & Privacy | 4.1M sites |
| Pll | 817.3K sites |
| Joinchat | 318.4K sites |
| Publishpress Future | 121.7K sites |
| Mlo | 18K sites |
| Xinalani | 6 sites |
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