| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Blocksy Fast, customizable multipurpose WordPress theme | 797.5K sites |
| Web Analytics & Measurement | |
| Cloudflare Browser Insights Cloudflare real-user monitoring capturing page performance metrics | 5.3M sites |
| Google Analytics Google platform measuring website traffic and visitor behavior | 59.7M sites |
| Google Tag Manager Tag management system deploying analytics and marketing tags without code | 63.8M sites |
| Email & Push Marketing | |
| Mailchimp Email marketing platform for campaigns and audience management | 4.2M sites |
| Marketing & Email Campaigns | |
| MailChimp for WordPress WordPress plugin connecting forms to Mailchimp lists | 688.9K sites |
| Business Email & Productivity | |
| ForwardEmail Open-source email forwarding service. | 136.4K sites |
| Communications | |
| SendGrid Cloud email delivery service for transactional and marketing mail | 3.8M sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 161.4M sites |
| Web Servers & Operating Systems | |
| HTTP/3 Modern web transport protocol over QUIC for faster connections | 149.4M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| Clipboard.js Lightweight JavaScript library for copying text to clipboard | 1.2M sites |
| Lightbox JavaScript script displaying images in an overlay popup | 7.6M 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 |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Media, Maps & Social | |
| AddToAny Social sharing buttons widget for websites | 744.5K sites |
| AddToAny Share Buttons WordPress plugin adding social sharing buttons | 494.6K sites |
| SEO & Content Discovery | |
| 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 |
| Site Kit Official WordPress plugin connecting Google search and analytics tools | 10.4M sites |
| other | |
| Forward Email Open source email forwarding service for custom domains | 157.4K sites |
| MailChimp | |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 4M sites |
| Site Kit by Google – Analytics, Search Console, AdSense, Speed Analytics | 3.9M sites |
| Redirection SEO | 2.6M sites |
| Wordfence Login Security Security & Privacy | 2.4M sites |
| Mc4wp | 1M sites |
| FileBird – WordPress Media Library Folders & File Manager Content & Media | 315.6K sites |
| Wp Dark Mode | 13.1K sites |
| Code Block Pro – Beautiful Syntax Highlighting Design & Themes | 6.2K sites |
| Webmention Other | 876 sites |
| IndieAuth Security & Privacy | 403 sites |
| IndieBlocks Design & Themes | 116 sites |
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