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Webpage Performance Test Result

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Page Performance Metrics

Note: Metric availability will vary

Please note: Availability of metrics will vary based on the browser being tested. Also, the way a site performs in some conditions may not predict how well it will perform in others, so we encourage testing in a variety of browsers, devices, & locations.

First View
Time to First Byte Start Render First Contentful Paint Speed Index Largest Contentful Paint Cumulative Layout Shift Total Blocking Time Page Weight
.253S 1.100S 1.104S 1.245S 1.190S .004 .046S 1,415KB
When did the content start downloading? When did pixels first start to appear? How soon did text and images start to appear? How soon did the page look usable? When did the largest visible content finish loading? How much did the design shift while loading? Was the main thread blocked? How many bytes downloaded?

Visual Page Loading Process (Explore)

Repeat View
Time to First Byte Start Render First Contentful Paint Speed Index Largest Contentful Paint Cumulative Layout Shift Total Blocking Time Page Weight
.330S 1.200S 1.216S 1.212S 1.216S .002 .000S 20KB
When did the content start downloading? When did pixels first start to appear? How soon did text and images start to appear? How soon did the page look usable? When did the largest visible content finish loading? How much did the design shift while loading? Was the main thread blocked? How many bytes downloaded?

Visual Page Loading Process (Explore)

Real-World Usage Metrics

Compare this WebPageTest run with browser-collected performance data for this site.

(Collected anonymously by Chrome browser from July 12, 2024 to August 8, 2024 | Full Report)

First Contentful Paint (FCP)

1.40S (good)

At 75th percentile of visits.

  • 89%
  • 9%
  • 3%

.30S worse than this WPT test run's first view (1.10S). Why?

Largest Contentful Paint (LCP)

1.42S (good)

At 75th percentile of visits.

  • 94%
  • 4%
  • 2%

.23S worse than this WPT test run's first view (1.19S). Why?

Cumulative Layout Shift (CLS)

0.00 (good)

At 75th percentile of visits.

  • 99%
  • 1%
  • 0%

0.004 better than this WPT test run's first view (0.004). Why?

Time to First Byte (TTFB)

1.11S (fair)

At 75th percentile of visits.

  • 52%
  • 43%
  • 5%

.86S worse than this WPT test run's first view (.25S). Why?

Interaction to Next Paint (INP)

.04S (good)

At 75th percentile of visits.

  • 95%
  • 3%
  • 1%

Field metric only, no WPT test run data.

Note: Why can real browser usage metrics vary from test run metrics?

Variance between your test run and real world usage is expected because a WebPageTest run uses a specific connection speed, and real world data spans all connection speeds. To closely match the p75 user in WebPageTest, try rerunning your test using a different connection speed.

Individual Runs

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