Est. employees
11 to 50
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| Elementor Popular drag-and-drop page builder plugin for WordPress | 23.4M sites |
| Hello Elementor Lightweight WordPress starter theme built for Elementor | 6.7M sites |
| Web Analytics & Measurement | |
| 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 |
| Forms & Lead Capture | |
| Ninja Forms Drag-and-drop WordPress form builder plugin | 184.5K sites |
| Communications | |
| Mailjet Email service for marketing and transactional messages | 305.5K sites |
| Postmark Transactional email delivery service for applications. | 749.6K sites |
| Hosting & Cloud Providers | |
| Hetzner German provider of dedicated servers and cloud hosting | 6M sites |
| Web Servers & Operating Systems | |
| Nginx High-performance web server and reverse proxy widely deployed | 153.2M sites |
| Ubuntu Popular Linux operating system used for servers | 18M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| Backbone.js JavaScript framework structuring apps with models and views | 742.2K sites |
| Swiper Modern touch slider and carousel library for web and mobile | 25M sites |
| Underscore.js JavaScript utility library offering functional programming helpers | 6.3M 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 |
| Performance & Optimization | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| Media, Maps & Social | |
| Polylang WordPress plugin for building multilingual and translated sites | 464.8K 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 |
| Yoast SEO WordPress plugin managing on-page SEO, sitemaps, and metadata | 21.4M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| other | |
| OpenAI Developer of the GPT models, ChatGPT and the API behind them. Sites listed here have verified their domain with OpenAI | 248.1K sites |
| Yoast | 9.2M sites |
| Elementor Website Builder – more than just a page builder Design & Themes | 8.8M sites |
| Elementor One | 5.7M sites |
| Elementor Pro | 4.9M sites |
| Wordfence Security – Firewall, Malware Scan, and Login Security Security & Privacy | 4M sites |
| Mcp | 3.1M sites |
| Elementor Hello Elementor | 2.1M sites |
| Ithemes Security | 754.7K sites |
| Pll | 571.9K sites |
| Ninja Forms Views | 438.6K sites |
| Ninja Forms Submissions | 426.2K sites |
| Ea11y | 331.6K sites |
| Omgf | 248.7K sites |
| Sweep | 150.7K sites |
| Wpstg | 36.5K sites |
| StifLi Flex MCP – MCP Server with undo for ChatGPT, Claude & Gemini Other | 714 sites |
| Polylang Mcp | 4 sites |
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