| Ecommerce & Shopping Carts | |
| WooCommerce Open-source ecommerce plugin turning WordPress into an online store | 10.9M sites |
| Payments & Checkout | |
| Stripe Payment processing platform for online businesses | 1.5M sites |
| WooCommerce Stripe Payment Gateway WooCommerce extension accepting card payments through Stripe | 506.2K sites |
| CMS & Website Builders | |
| WordPress Open-source CMS powering websites, blogs, and content management | 75.7M sites |
| Web Analytics & Measurement | |
| 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 |
| Matomo Analytics Open-source, privacy-focused web analytics platform | 1.9M sites |
| Advertising & Conversion Tracking | |
| Google Ads Google advertising platform for search and display campaigns | 7.2M sites |
| Customer Chat & Support | |
| Premio Chaty WordPress plugin adding a multi-channel chat widget | 439.7K sites |
| Forms & Lead Capture | |
| Contact Form 7 Widely used WordPress plugin for building contact forms | 15.8M sites |
| Security & Bot Defense | |
| HSTS HTTP header forcing browsers to use secure HTTPS connections | 131.7M sites |
| reCAPTCHA Google service distinguishing humans from bots to block spam | 16M 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 | |
| Moment.js JavaScript library for parsing and formatting dates | 2.7M sites |
| OWL Carousel Touch-enabled jQuery carousel and slider library | 10.2M 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 |
| pickadate.js Lightweight JavaScript date and time picker | 278.8K 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 | |
| Priority Hints Browser resource hints signaling fetch priority for faster loading | 74.5M sites |
| WordPress Super Cache WordPress plugin generating static cached pages for speed | 1.2M sites |
| Media, Maps & Social | |
| ShareThis Social sharing buttons and engagement widget for sites | 527.1K 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 | |
| Telematica Powered By Anx | 268 sites |
| Contact Form 7 Forms & Popups | 7.3M sites |
| Jetpack – WP Security, Backup, Speed, & Growth Security & Privacy | 5.1M sites |
| Akismet Anti-spam: Spam Protection Social & Community | 4M sites |
| Wc | 3.7M sites |
| Wccom Site | 3.7M sites |
| Wc Admin | 3.7M sites |
| Wc Analytics | 3.7M sites |
| Wc Telemetry | 3.5M sites |
| Wc Admin Email | 3M sites |
| WP Super Cache Performance & Speed | 1M sites |
| Wc Push Notifications | 708.8K sites |
| Paypal | 466.7K sites |
| JWT Auth – WordPress JSON Web Token Authentication Other | 58.2K sites |
| Wpsp | 10.4K sites |
| Noptin | 7.8K sites |
| Vpbp | 1K sites |
| MHub Design & Themes | 352 sites |
| MeetingHub – Webinar & Meeting Plugin for Zoom, Google Meet, Webex, Microsoft Teams, & Jitsi Meet Other | 351 sites |
| Partner Map Locator Other | 6 sites |
| Zrv | 2 sites |
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