| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Gutenberg Block-based content editor project for WordPress | 2.4M sites |
| WordPress Block Editor Block-based content editor built into modern WordPress | 15.7M sites |
| Web Analytics & Measurement | |
| Cloudflare Browser Insights Cloudflare real-user monitoring capturing page performance metrics | 5.3M sites |
| Google PageSpeed Google tools measuring and reporting page performance | 441.6K sites |
| Business Email & Productivity | |
| Tuta Encrypted email service formerly named Tutanota | 21.4K sites |
| Communications | |
| SendGrid Cloud email delivery service for transactional and marketing mail | 3.8M sites |
| Hosting & Cloud Providers | |
| Hetzner German provider of dedicated servers and cloud hosting | 6M sites |
| CDN & Edge Delivery | |
| Cloudflare Global CDN and edge platform delivering and protecting websites | 161.4M 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 |
| JavaScript Libraries & Widgets | |
| jQuery Widely used JavaScript library simplifying DOM manipulation, events, and AJAX | 114.7M sites |
| Databases & Caching | |
| MySQL Popular open-source relational database used by many web applications | 77.9M sites |
| Redis In-memory data store used for caching and messaging | 675.1K sites |
| Redis Object Cache WordPress plugin caching database objects in Redis | 573.6K sites |
| Performance & Optimization | |
| Perfmatters WordPress plugin disabling scripts to speed up sites | 194.3K sites |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| WP-Optimize WordPress plugin cleaning the database and optimizing performance | 704K sites |
| SEO & Content Discovery | |
| Open Graph Metadata protocol controlling how page links preview on social platforms | 151.8M sites |
| The SEO Framework Lightweight WordPress plugin managing on-page SEO | 268.7K sites |
| Code Snippets Design & Themes | 1.1M sites |
| Wp Sync | 296.9K sites |
| GenerateBlocks Content & Media | 177.4K sites |
| Generateblocks Pro | 67K sites |
| Twentig Supercharged Block Editor – Blocks, Patterns, Starter Sites, Portfolio Design & Themes | 19K sites |
| Create Block Theme Design & Themes | 13.4K sites |
| Meow Mailer – Free SMTP, Everything Included Marketing & Email | 220 sites |
| Pattern CSS – The CSS Editor For Blocks Design & Themes | 162 sites |
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