Third-party provider categories on React sites

Sites with RUM third-party technology categories pass all three Core Web Vitals most often: 81%, against 63% of all React sites. The biggest gap is CLS, 92% against 80%.

Sites with RUM third-party technology categories have a good LCP most often: 89%, against 79% of all React sites. Sites with ecommerce runtime third-party categories have it least often, at 59%.

Sites with map embed third-party technology categories have a good INP most often: 100%, against 99% of all React sites. Sites with session recording third-party categories have it least often, at 97%.

Sites with RUM third-party technology categories have a good CLS most often: 92%, against 80% of all React sites. Sites with personalization third-party categories have it least often, at 60%.

Framework is the most used: 98.1% of React sites. RUM is 63.8% of React sites.

Across the four LCP sub-parts in Chrome's field data, the largest gap between RUM and ecommerce runtime sits in time to first byte (TTFB): 434 ms median for RUM against 1348 ms for ecommerce runtime. Overall median field LCP is 1.3s for RUM (TTFB 434 ms, load delay 478 ms, load duration 218 ms, render delay 150 ms) versus 2.2s for ecommerce runtime.

Across the four LCP sub-parts in Chrome's field data, the largest gap between RUM and ecommerce runtime sits in time to first byte (TTFB): 434 ms median for RUM against 1348 ms for ecommerce runtime. Overall median field LCP is 1.3s for RUM (TTFB 434 ms, load delay 478 ms, load duration 218 ms, render delay 150 ms) versus 2.2s for ecommerce runtime.

Across the four LCP sub-parts in Chrome's field data, the largest gap between RUM and ecommerce runtime sits in time to first byte (TTFB): 434 ms median for RUM against 1348 ms for ecommerce runtime. Overall median field LCP is 1.3s for RUM (TTFB 434 ms, load delay 478 ms, load duration 218 ms, render delay 150 ms) versus 2.2s for ecommerce runtime.

Across the four LCP sub-parts in Chrome's field data, the largest gap between RUM and ecommerce runtime sits in time to first byte (TTFB): 434 ms median for RUM against 1348 ms for ecommerce runtime. Overall median field LCP is 1.3s for RUM (TTFB 434 ms, load delay 478 ms, load duration 218 ms, render delay 150 ms) versus 2.2s for ecommerce runtime.

Wix sets the third-party technology categories to RUM on 100% of its sites, and 88% of Wix sites pass all three Core Web Vitals, against 63% of all sites. WordPress sets the third-party technology categories to CMS on 100% of its sites, and 51% of WordPress sites pass all three.

Wix sets the third-party technology categories to RUM on 100% of its sites, and 92% of Wix sites have a good LCP, against 79% of all sites. WordPress sets the third-party technology categories to CMS on 100% of its sites, and 66% of WordPress sites have a good LCP.

Wix sets the third-party technology categories to RUM on 100% of its sites, and 100% of Wix sites have a good INP, against 99% of all sites. WordPress sets the third-party technology categories to CMS on 100% of its sites, and 100% of WordPress sites have a good INP.

Wix sets the third-party technology categories to RUM on 100% of its sites, and 96% of Wix sites have a good CLS, against 80% of all sites. WordPress sets the third-party technology categories to CMS on 100% of its sites, and 75% of WordPress sites have a good CLS.

PlatformThird-party technology categories on its sitesPass all three

React sites with third-party technology categories 9,568 sitesJavaScript Frameworks & Libraries 98%Content Delivery Networks (CDN) 90%Real User Monitoring (RUM) 64%Analytics & Telemetry 44%Tag Managers 39%Video Players (YouTube, Vimeo) 28%CMS Platform Signatures 26%Web Font Services 24%Marketing & Retargeting Pixels 21%Bot Detection & Security (reCAPTCHA, Turnstile) 18%Ecommerce Platform Runtimes 13%Consent Management (CMP) 13%63%

Wix 5,824 sitesReal User Monitoring (RUM) 100%Content Delivery Networks (CDN) 100%JavaScript Frameworks & Libraries 100%Analytics & Telemetry 31%Tag Managers 27%Video Players (YouTube, Vimeo) 18%Marketing & Retargeting Pixels 15%88%

WordPress 2,342 sitesCMS Platform Signatures 100%JavaScript Frameworks & Libraries 97%Content Delivery Networks (CDN) 68%Analytics & Telemetry 66%Tag Managers 62%Web Font Services 60%Ecommerce Platform Runtimes 47%Video Players (YouTube, Vimeo) 46%Consent Management (CMP) 40%Bot Detection & Security (reCAPTCHA, Turnstile) 39%Marketing & Retargeting Pixels 32%Performance & Caching Plugins 25%Embedded Maps 19%Image CDNs 11%Display Ad Networks 11%51%

JavaScript Frameworks & Libraries Content Delivery Networks (CDN) Real User Monitoring (RUM) Analytics & Telemetry Tag Managers Video Players (YouTube, Vimeo) CMS Platform Signatures Web Font Services Marketing & Retargeting Pixels Bot Detection & Security (reCAPTCHA, Turnstile) Ecommerce Platform Runtimes Consent Management (CMP) Display Ad Networks A/B Testing & Experimentation Embedded Maps Image CDNs Performance & Caching Plugins Session Recording & Heatmaps Personalization Engines Email & CRM Popups Live Chat & Support Widgets Customer Review Widgets Customer Data Platforms (CDP) Push notifications Booking & Scheduling Widgets

Does the platform explain the third-party technology categories difference?

Almost every site with RUM third-party technology categories is a Wix site, and almost every Wix site has RUM third-party technology categories, so the data can't tell RUM third-party technology categories and Wix apart. On WordPress, 50% of sites with framework third-party technology categories pass all three Core Web Vitals, against 49% of WordPress sites with CDN. Within WordPress, sites with framework and CDN pass all three about equally often.

Almost every site with RUM third-party technology categories is a Wix site, and almost every Wix site has RUM third-party technology categories, so the data can't tell RUM third-party technology categories and Wix apart. On WordPress, 57% of sites with RUM third-party technology categories have a good LCP, against 65% of WordPress sites with framework. Within WordPress, sites with RUM and framework have a good LCP about equally often.

On Wix, 100% of sites with framework third-party technology categories have a good INP, against 100% of Wix sites with CDN. Within Wix, sites with framework and CDN have a good INP about equally often. On WordPress, 100% of sites with map embed third-party technology categories have a good INP, against 100% of WordPress sites with framework. Within WordPress, sites with map embed and framework have a good INP about equally often.

Almost every site with RUM third-party technology categories is a Wix site, and almost every Wix site has RUM third-party technology categories, so the data can't tell RUM third-party technology categories and Wix apart. On WordPress, 87% of sites with RUM third-party technology categories have a good CLS, against 75% of WordPress sites with framework. Within WordPress, sites with RUM and framework have a good CLS about equally often.