Third-party provider categories on React sites

Sites with RUM third-party technology categories pass all three Core Web Vitals most often: 84%, against 74% of all React sites. The biggest gap is LCP, 93% against 84%.

Sites with RUM third-party technology categories have a good LCP most often: 93%, against 84% of all React sites. Sites with ecommerce runtime third-party categories have it least often, at 61%.

Sites with performance plugin third-party technology categories have a good INP most often: 96%, against 92% of all React sites. Sites with image CDN third-party categories have it least often, at 77%.

Sites with RUM third-party technology categories have a good CLS most often: 95%, against 92% of all React sites. Sites with personalization third-party categories have it least often, at 75%.

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): 415 ms median for RUM against 1274 ms for ecommerce runtime. Overall median field LCP is 1.2s for RUM (TTFB 415 ms, load delay 445 ms, load duration 112 ms, render delay 154 ms) versus 2.1s 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): 415 ms median for RUM against 1274 ms for ecommerce runtime. Overall median field LCP is 1.2s for RUM (TTFB 415 ms, load delay 445 ms, load duration 112 ms, render delay 154 ms) versus 2.1s 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): 415 ms median for RUM against 1274 ms for ecommerce runtime. Overall median field LCP is 1.2s for RUM (TTFB 415 ms, load delay 445 ms, load duration 112 ms, render delay 154 ms) versus 2.1s 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): 415 ms median for RUM against 1274 ms for ecommerce runtime. Overall median field LCP is 1.2s for RUM (TTFB 415 ms, load delay 445 ms, load duration 112 ms, render delay 154 ms) versus 2.1s for ecommerce runtime.

Wix sets the third-party technology categories to RUM on 100% of its sites, and 89% of Wix sites pass all three Core Web Vitals, against 74% of all sites. WordPress sets the third-party technology categories to CMS on 100% of its sites, and 55% of WordPress sites pass all three.

Wix sets the third-party technology categories to RUM on 100% of its sites, and 94% of Wix sites have a good LCP, against 84% of all sites. WordPress sets the third-party technology categories to CMS on 100% of its sites, and 63% of WordPress sites have a good LCP.

Wix sets the third-party technology categories to RUM on 100% of its sites, and 96% of Wix sites have a good INP, against 92% of all sites. WordPress sets the third-party technology categories to CMS on 100% of its sites, and 96% of WordPress sites have a good INP.

Wix sets the third-party technology categories to RUM on 100% of its sites, and 97% of Wix sites have a good CLS, against 92% of all sites. WordPress sets the third-party technology categories to CMS on 100% of its sites, and 88% 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%74%

Wix 5,824 sitesContent Delivery Networks (CDN) 100%Real User Monitoring (RUM) 100%JavaScript Frameworks & Libraries 100%Analytics & Telemetry 31%Tag Managers 27%Video Players (YouTube, Vimeo) 18%Marketing & Retargeting Pixels 15%89%

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%55%

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 Site Search Providers

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, 39% of sites with RUM third-party technology categories pass all three Core Web Vitals, against 54% of WordPress sites with framework. Within WordPress, sites with RUM and framework 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, 52% of sites with RUM third-party technology categories have a good LCP, against 62% of WordPress sites with framework. Within WordPress, sites with RUM and framework have a good LCP about equally often.

On Wix, 96% of sites with framework third-party technology categories have a good INP, against 96% of Wix sites with CDN. Within Wix, sites with framework and CDN have a good INP about equally often. On WordPress, 96% of sites with performance plugin third-party technology categories have a good INP, against 96% of WordPress sites with framework. Within WordPress, sites with performance plugin 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, 81% of sites with RUM third-party technology categories have a good CLS, against 87% of WordPress sites with framework. Within WordPress, sites with RUM and framework have a good CLS about equally often.