How can I check my website speed?

Topic summary

A user asks how to check if their website speed is good and what tools are available for testing.

Recommended Tools:

  • Google PageSpeed Insights (most frequently mentioned): Analyzes speed for mobile and desktop, provides optimization recommendations and performance scores
  • GTmetrix: Offers PageSpeed and YSlow scores with improvement suggestions
  • Pingdom Website Speed Test: Measures load time and provides performance insights
  • WebPageTest: Tests speed from multiple locations and browsers with detailed waterfall charts
  • Lighthouse (Chrome DevTools): Built-in Chrome tool for auditing performance, accessibility, and SEO
  • thecarbonfootprint.ai: Provides loading time reports with improvement instructions

Key Metrics Measured:
First Contentful Paint (FCP), Cumulative Layout Shift (CLS), Largest Contentful Paint (LCP), and Interaction to Next Paint (INP). These are categorized as Good, Needs Improvement, or Poor.

Why It Matters:
Website speed impacts user experience and search engine rankings.

The original poster expressed appreciation for the multiple recommendations provided.

Summarized with AI on October 27. AI used: claude-sonnet-4-5-20250929.

Wow so many tips I appreciate this very much. Cheers.