| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| WordPress Themes & Plugins | |
| The Events Calendar WordPress plugin managing and displaying events and calendars | 967.3K sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 15.8M sites |
| CDN & Edge Delivery | |
| Akamai Global content delivery and edge computing network | 4.4M sites |
| Security & Bot Defense | |
| Really Simple SSL & Security WordPress plugin enforcing HTTPS and hardening site security | 6.4M sites |
| Web Servers & Operating Systems | |
| Apache HTTP Server Long-established open-source web server software | 79.2M sites |
| Languages & Back-End Frameworks | |
| PHP Server-side scripting language powering a large share of websites | 114.2M sites |
| JavaScript Libraries & Widgets | |
| Slider Revolution Popular slider and visual content builder for WordPress sites | 6.6M sites |
| imagesLoaded JavaScript utility detecting when page images have finished loading | 11M 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 | |
| Embed Any Document WordPress plugin embedding PDF and Office documents in pages. | 89.5K sites |
| Google Maps Embeddable interactive maps and location services from Google | 12M sites |
| Photo Gallery WordPress plugin creating image galleries and albums | 299.5K sites |
| WP Google Map Plugin WordPress plugin embedding Google Maps with markers. | 80.3K sites |
| SEO & Content Discovery | |
| 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 |
| Google Font API Google service delivering free web fonts to websites | 105.7M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Contact Form 7 Forms & Popups | 7.3M sites |
| Hub Connector | 1.2M sites |
| Wpmudev_pcs | 878.7K sites |
| tribe Other | 497.5K sites |
| Forminator Forms – Contact Form, Payment Form & Custom Form Builder Forms & Popups | 464.4K sites |
| WP Statistics – Simple, privacy-friendly Google Analytics alternative Analytics | 420.9K sites |
| Tec | 409.2K sites |
| Carbon Fields | 76.6K sites |
| Docembedder | 3.7K sites |
| PDFDraft – Drag & Drop PDF Builder, PDF Viewer, Embed & Download PDF, Certificate & Invoice Designer Other | 87 sites |
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