WebPerformance Report
powered by WebPageTest
#WebPerf result for:
URL: https://www.anthropic.com/
From: Los Angeles, California, USA - (Chrome) - Desktop
Date: 2025-01-03T00:41:05
Filmstrip - Video - Map - Opportunities - History - Frustration index (new)
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Optimization Scores
Grades for the most critical performance optimizations.
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Perf Links
Great posts about web tech.
⚡️ WebPerf Advent Calendar 2024 is a wrap [perfplanet]
⚡️ Problems I no longer have by using SSR [wimdeblauwe]
⚡️ 2024 Web Almanac: Page Weight [httparchive]
⚡️ 2024 Web Almanac: Media [httparchive]
Core Web Vitals
UX Metrics for loading, visual stability, and interactivity.
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LCP
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CLS
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TBT
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| 6.899s | 0.000 | 1.451s |
|---|
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LCP - CrUX
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CLS - CrUX
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INP - CrUX
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TTFB - CrUX (new)
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| 3.014s | 0.000 | 0.054s | 0.619s |
|---|
Lighthouse Scores
Diagnose performance issues - 3G Fast connection.
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Performance
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Accessibility
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Best Practices
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SEO
|
| 45 | 95 | 100 | 91 |
|---|
Performance Results
High-level metrics information about the page that was tested.
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First Byte
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Start Render
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FCP
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Speed Index
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| 0.287s | 1.000s | 0.998s | 2.481s |
|---|
Document Complete
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Time
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Requests
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Bytes In
|
| 6.535s | 52 | 2,640 KB |
|---|
Fully Loaded
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Time
|
Requests
|
Bytes In
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| 7.520s | 57 | 2,823 KB |
|---|
Content Breakdown
Website content breakdown by MIME type.
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MIME Type
|
Requests
|
Bytes
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| js | 26 | 1,773KB |
|---|---|---|
| css | 8 | 32KB |
| image | 2 | 525KB |
| font | 12 | 470KB |
| html | 1 | 19KB |
