Key Takeaways
- The median fully loaded page time for desktop sites in 2023 was 4.6 seconds, with the 75th percentile reaching 8.2 seconds according to the Web Almanac.
- Mobile homepages took a median of 8.9 seconds to fully load in Q4 2023, compared to 2.4 seconds for desktop, per HTTP Archive data.
- 70% of e-commerce sites exceed 3 seconds in page load time, leading to 40% cart abandonment as reported by Akamai.
- According to HTTP Archive 2023, median First Contentful Paint (FCP) for mobile pages is 1.8 seconds, with 62% achieving good scores under 1.8s.
- Web Almanac 2023 reports 48% of desktop origins pass FCP good threshold of <1.8s, median 1.5s.
- Google Web Vitals dashboard Q1 2024: global FCP good rate 55%, median 1.7s across field data.
- HTTP Archive 2023 LCP median for desktop is 2.5 seconds, with 41% good under 2.5s.
- Web Almanac 2023: mobile LCP p75 at 4.2s, only 38% origins pass good metric.
- CrUX field data 2024: LCP good rate 44% globally, median 2.8s mobile.
- HTTP Archive 2023 CLS median 0.11, with 58% desktop pages good under 0.1.
- Web Almanac mobile CLS p75 0.18, pass rate 52% origins 2023.
- CrUX 2024 CLS good 60%, median 0.09 desktop field data.
- HTTP Archive 2024 INP median 210ms desktop, 52% good under 200ms.
- Web Almanac 2023 mobile INP p75 450ms, pass 47% origins.
- CrUX INP good rate 49% global, median 280ms field 2024.
Website load times are slow, especially on mobile, hurting user experience and conversions.
Core Web Vitals
Core Web Vitals Interpretation
Cumulative Layout Shift
Cumulative Layout Shift Interpretation
Interaction to Next Paint
Interaction to Next Paint Interpretation
Largest Contentful Paint
Largest Contentful Paint Interpretation
Page Speed Metrics
Page Speed Metrics Interpretation
Sources & References
- Reference 1HTTPARCHIVEhttparchive.orgVisit source
- Reference 2AKAMAIakamai.comVisit source
- Reference 3PINGDOMpingdom.comVisit source
- Reference 4GTMETRIXgtmetrix.comVisit source
- Reference 5DEVELOPERSdevelopers.google.comVisit source
- Reference 6BLOGblog.cloudflare.comVisit source
- Reference 7DAREBOOSTdareboost.comVisit source
- Reference 8WEBPAGETESTwebpagetest.orgVisit source
- Reference 9PORTENTportent.comVisit source
- Reference 10SUCURIsucuri.netVisit source
- Reference 11DEBUGBEARdebugbear.comVisit source
- Reference 12CATCHPOINTcatchpoint.comVisit source
- Reference 13MULESOFTmulesoft.comVisit source
- Reference 14SMASHINGMAGAZINEsmashingmagazine.comVisit source
- Reference 15TOOLStools.keycdn.comVisit source
- Reference 16UPTRENDSuptrends.comVisit source
- Reference 17SITEIMPROVEsiteimprove.comVisit source
- Reference 18LOADNINJAloadninja.comVisit source
- Reference 19WEBweb.devVisit source
- Reference 20TOOLStools.pingdom.comVisit source
- Reference 21ALMANACalmanac.httparchive.orgVisit source
- Reference 22WORKERSworkers.cloudflare.comVisit source
- Reference 23DOCSdocs.webpagetest.orgVisit source
- Reference 24WEBVITALSwebvitals.ioVisit source
- Reference 25SUPPORTsupport.google.comVisit source






