Page summary

https://www.antiquites-en-france.com/

Errors
SummaryRenderingCPUCrUx

How it scored

median of 3 runs

Run with --video to replay what the user saw frame by frame. The verdict and fixes below don't need it.

Chrome UX Report

real users · p75 · last 30 days
LCP1.559 s
CLS0.310
FCP1.228 s
TTFB589 ms
Largest Contentful Paint
90.2%5.9%3.9%
Cumulative Layout Shift
56.1%9.3%34.6%
First Contentful Paint
89.8%7.4%2.8%

Rendering

Run 1 · median
0.000 s
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Filmstrip

0 frames

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Why was rendering delayed?

Want to see how much CSS style-recalculation work delayed FCP and LCP, plus CPU long tasks? Run with --cpu.

CPU

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Run with --enableProfileRun to see where main-thread time went, blocking time and CPU cost per script, module and function, forced reflows and frame stability. The data is collected in one extra run, so the timing metrics of your measured runs stay untouched.

|loadingExperience PHONE | | loadingExperience DESKTOP | | loadingExperience TABLET | | loadingExperience ALL | | originLoadingExperience PHONE | | originLoadingExperience DESKTOP | | originLoadingExperience TABLET | | originLoadingExperience ALL | | 

CrUx

Chrome User Experience Report (CrUx) is real-user data from opted-in Chrome users, aggregated over the last 30 days. Toggle the form factor with--crux.formFactor.

This page does not pass the Core Web Vitals: CLS needs work.

  • Cumulative Layout Shift (0.31): reserving space for images, ads and late-loading content.

This page

Form factor ALL

2026-08-27 to 2026-09-23
FCP1.228 s
LCP1.559 s
CLS0.310
TTFB589 ms
RTT152 ms
Distribution
First Contentful Paint
89.84%7.40%2.76%
Largest Contentful Paint
90.22%5.88%3.90%
Cumulative Layout Shift
56.09%9.34%34.57%
TTFB
76.86%18.99%4.15%
Round Trip Time
56.99%34.39%8.62%

All pages on this origin

Form factor PHONE

2026-08-27 to 2026-09-23
FCP1.845 s
LCP2.037 s
CLS0.000
INP141 ms
TTFB1.088 s
RTT107 ms
Distribution
First Contentful Paint
74.39%12.71%12.90%
Largest Contentful Paint
78.83%14.17%7.00%
Cumulative Layout Shift
91.51%2.55%5.94%
Interaction to Next Paint
84.95%12.47%2.58%
TTFB
61.57%20.30%18.13%
Round Trip Time
55.67%36.96%7.37%
LCP resource type
  • Image53.4%
  • Text46.6%
LCP image breakdown (p75)
Largest Contentful Paint2.037 s
  • Time to first byte1.099 s55%
  • Resource load delay328 ms17%
  • Resource load duration282 ms14%
  • Element render delay276 ms14%

Biggest phase: Time to first byte (55%). Improve it by speeding up the server response or using a CDN closer to your users.

Each phase is its own 75th percentile from real users, so the parts are independent and may not add up to the LCP above.

Form factor DESKTOP

2026-08-27 to 2026-09-23
FCP1.930 s
LCP2.291 s
CLS0.010
INP48 ms
TTFB2.207 s
RTT87 ms
Distribution
First Contentful Paint
73.59%10.44%15.97%
Largest Contentful Paint
76.00%17.68%6.32%
Cumulative Layout Shift
89.74%2.53%7.74%
Interaction to Next Paint
98.67%1.33%0.00%
TTFB
58.14%14.54%27.31%
Round Trip Time
69.94%25.80%4.27%
LCP resource type
  • Text54.8%
  • Image45.2%
LCP image breakdown (p75)
Largest Contentful Paint2.291 s
  • Time to first byte1.374 s72%
  • Resource load delay229 ms12%
  • Resource load duration147 ms8%
  • Element render delay147 ms8%

Biggest phase: Time to first byte (72%). Improve it by speeding up the server response or using a CDN closer to your users.

Each phase is its own 75th percentile from real users, so the parts are independent and may not add up to the LCP above.

Form factor TABLET

2026-08-27 to 2026-09-23
FCP1.722 s
LCP1.799 s
CLS0.010
TTFB931 ms
Distribution
First Contentful Paint
77.65%13.09%9.26%
Largest Contentful Paint
85.79%10.42%3.79%
Cumulative Layout Shift
90.43%2.21%7.36%
TTFB
73.97%15.34%10.68%

Form factor ALL

2026-08-27 to 2026-09-23
FCP1.838 s
LCP2.070 s
CLS0.010
INP114 ms
TTFB1.201 s
RTT102 ms
Distribution
First Contentful Paint
74.38%12.03%13.60%
Largest Contentful Paint
78.41%15.02%6.57%
Cumulative Layout Shift
90.89%2.51%6.60%
Interaction to Next Paint
90.64%7.85%1.51%
TTFB
61.55%18.41%20.03%
Round Trip Time
60.95%32.83%6.22%
Form factors
  • Phone61.8%
  • Desktop31.5%
  • Tablet6.8%
LCP resource type
  • Image50.8%
  • Text49.2%
LCP image breakdown (p75)
Largest Contentful Paint2.070 s
  • Time to first byte1.096 s58%
  • Resource load delay304 ms16%
  • Resource load duration237 ms13%
  • Element render delay251 ms13%

Biggest phase: Time to first byte (58%). Improve it by speeding up the server response or using a CDN closer to your users.

Each phase is its own 75th percentile from real users, so the parts are independent and may not add up to the LCP above.