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website screenshot of https://developer.chrome.com/docs/lighthouse/performance/performance-scoring

Last checked: April 10, 2025 16:28:29

Check URL: https://developer.chrome.com/docs/lighthouse/performance/performance-scoring

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Page Info

  • URL: https://developer.chrome.com/docs/lighthouse/performance/performance-scoring
  • Title: Lighthouse performance scoring
  • Favicon: developer.chrome.com logo

Host Info

  • Domain: developer.chrome.com
  • Server: Google Frontend
  • Country: United States
  • IP: 142.251.39.110
  • ASN: 15169 (GOOGLE)

Technologies

  • Google Sign-in logo Google Sign-in
  • Google Cloud logo Google Cloud
  • HSTS logo HSTS
  • Google Tag Manager logo Google Tag Manager
  • Google Cloud Trace logo Google Cloud Trace
  • Google Analytics logo Google Analytics
  • HTTP/3 logo HTTP/3

SSL Info

Statistics

  • Total Requests: 61
  • Total Transfer Size: 1012.29 KB
  • Total Content Size: 3.53 MB
  • Domains: 7
  • IP Addresses: 7

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content-type: text/html; charset=utf-8

date: Thu, 10 Apr 2025 16:28:35 GMT

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last-modified: Thu, 19 Sep 2019 07:00:00 GMT

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Detailed Technologies

Name Category Description
Google Sign-in
Google Sign-in

Authentication

Google Sign-In is a secure authentication system that reduces the burden of login for users, by enabling them to sign in with their Google account.
Google Cloud
Google Cloud

IaaS

Google Cloud is a suite of cloud computing services.
HSTS
HSTS

Security

HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Google Tag Manager
Google Tag Manager

Tag managers

Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
Google Cloud Trace
Google Cloud Trace

Performance

Google Cloud Trace is a distributed tracing system that collects latency data from applications and displays it in the Google Cloud Console.
Google Analytics
Google Analytics

Analytics

Google Analytics is a free web analytics service that tracks and reports website traffic.
HTTP/3
HTTP/3

Miscellaneous

HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.

Cookies

Name Value Domain Expires Attributes
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GS1.1.1744302518.1.0.1744302518.0.0.0
.chrome.com
5/15/2026, 4:28:38 PM
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5/15/2026, 4:28:38 PM
django_language
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developer.chrome.com
10/7/2025, 4:28:37 PM

External Links

Label URL
Learn more about how Google uses cookies. Opens in a new tab.Learn more
https://policies.google.com/technologies/cookies?hl=en
Baseline
https://web.dev/baseline
web.dev
https://web.dev
PageSpeed Insights audit
https://pagespeed.web.dev
The Privacy Sandbox
https://developers.google.com/privacy-sandbox
Cumulative Layout Shift
https://web.dev/cls/
Learn Performance
https://web.dev/learn/performance
Lighthouse's documentation on Variability
https://github.com/GoogleChrome/lighthouse/blob/master/docs/variability.md
User-Centric Performance Metrics
https://web.dev/articles/user-centric-performance-metrics
weighted average
https://www.wikihow.com/Calculate-Weighted-Average#Weighted_Averages_without_Percentages_sub
Lighthouse scoring calculator
https://googlechrome.github.io/lighthouse/scorecalc/
First Contentful Paint
https://web.dev/articles/fcp
Largest Contentful Paint
https://web.dev/articles/lcp
Total Blocking Time
https://web.dev/tbt/
Cumulative Layout Shift
https://web.dev/articles/cls
Time to Interactive
https://web.dev/tti/
HTTP Archive
https://httparchive.org/
log-normal
https://en.wikipedia.org/wiki/Weber%E2%80%93Fechner_law
Explore the scoring curve for TTI
https://www.desmos.com/calculator/o98tbeyt1t
Creative Commons Attribution 4.0 License
https://creativecommons.org/licenses/by/4.0/
Apache 2.0 License
https://www.apache.org/licenses/LICENSE-2.0
Google Developers Site Policies
https://developers.google.com/site-policies
File a bug
https://issuetracker.google.com/issues/new?component=1400036&template=1897236
See open issues
https://issuetracker.google.com/issues?q=status:open%20componentid:1400036&s=created_time:desc
Chromium updates
https://blog.chromium.org/
Podcasts& shows
https://web.dev/shows
@ChromiumDev on X
https://twitter.com/ChromiumDev
YouTube
https://www.youtube.com/user/ChromeDevelopers
Chrome for Developers on LinkedIn
https://www.linkedin.com/showcase/chrome-for-developers

Requested Domains

Domain Type Categories
developer.chrome.com
Subdomain
Information Technology, Technology
developerprofiles-pa.googleapis.com
N/A
N/A
fonts.googleapis.com
N/A
N/A
fonts.gstatic.com
N/A
N/A
region1.google-analytics.com
N/A
N/A
www.googletagmanager.com
N/A
N/A
www.gstatic.com
N/A
N/A

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