| Ecommerce & Shopping Carts | |
| EasyDigitalDownloads WordPress plugin for selling digital downloads. | 71.7K sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Email & Push Marketing | |
| Zoho Business software suite including CRM and productivity tools | 2.2M sites |
| Customer Chat & Support | |
| BetterDocs WordPress plugin for creating knowledge base documentation. | 45.7K sites |
| BetterDocs plugin WordPress knowledge base and documentation plugin. | 45.7K sites |
| Crisp Live Chat Live chat and customer messaging widget for websites and apps. | 42.8K sites |
| Business Email & Productivity | |
| Zoho Mail Business email hosting service from Zoho | 2.6M sites |
| Hosting & Cloud Providers | |
| Plesk Web hosting control panel for managing servers and sites | 6.6M sites |
| Vultr Cloud hosting provider offering virtual servers worldwide | 808.5K sites |
| CDN & Edge Delivery | |
| Unpkg CDN serving packages published to the npm registry | 5.2M 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 | |
| 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 |
| SEO & Content Discovery | |
| Google Generic Google service or script detected on the site | 32.3M sites |
| Fonts & Icons | |
| Font Awesome Popular icon library and toolkit for scalable web icons | 71.2M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Complianz | 1.4M sites |
| Wp Toolkit | 595.4K sites |
| Complianz_tc | 220.6K sites |
| FluentCRM – Email Newsletter, Automation, Email Marketing, Email Campaigns, Optins, Leads, and CRM Solution Marketing & Email | 47.1K sites |
| Edd | 25.1K sites |
| BetterDocs – AI Documentation, Knowledge Base, Docs, Wikis, FAQ with Chatbot Other | 20.4K sites |
| Fluent Support – Helpdesk & Customer Support Ticket System Other | 5.8K sites |
| Qf | 2.1K sites |
| Qsmtp | 261 sites |
| Qb | 93 sites |
| Qc | 48 sites |
| SMTP Marketing & Email | 34 sites |
| DoubleScale | Self-Hosted CRM & Business Platform (Alternative to HubSpot & GoHighLevel) Sales & CRM | 24 sites |
| Quill Booking – Appointment Scheduling & Event Management Solution Other | 14 sites |
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