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Website Speed Test & Core Web Vitals

Check your website speed instantly. Test Core Web Vitals (LCP, INP, CLS) and get actionable recommendations to improve page performance and Google rankings.

Includes LCP, INP, and CLS analysis with improvement recommendations

How to Check Your Website Speed

Our website speed test analyzes your page's Core Web Vitals - the metrics Google uses to measure user experience. Enter your URL above to check website speed and get specific fixes for any performance issues.

LCP—Largest Contentful Paint

Measures loading performance. LCP should occur within 2.5 seconds of when the page first starts loading.

Good: ≤ 2.5s
Needs work: 2.5s - 4s
Poor: > 4s

How to Improve

  • Optimize images and use modern formats (WebP)
  • Preload critical resources
  • Remove render-blocking resources
  • Use a CDN for faster delivery
INP—Interaction to Next Paint

Measures interactivity. INP should be 200 milliseconds or less for a good user experience.

Good: ≤ 200ms
Needs work: 200ms - 500ms
Poor: > 500ms

How to Improve

  • Break up long JavaScript tasks
  • Minimize JavaScript execution time
  • Keep DOM size small
  • Use web workers for heavy processing
CLS—Cumulative Layout Shift

Measures visual stability. CLS should be less than 0.1 for a good user experience.

Good: ≤ 0.1
Needs work: 0.1 - 0.25
Poor: > 0.25

How to Improve

  • Always include size attributes on images and videos
  • Reserve space for ads and embeds
  • Avoid inserting content above existing content
  • Use CSS transform for animations

Why Website Speed Matters for SEO

Page speed is a confirmed Google ranking factor. Sites that pass Core Web Vitals have better SEO performance and user engagement.

Google Ranking Factor

Core Web Vitals are part of Google's page experience signals and directly impact your search rankings.

User Experience

Good speed test scores mean faster load times, better interactivity, and a more stable visual experience.

Conversion Rates

Faster, more responsive pages lead to higher engagement, lower bounce rates, and more conversions.

Mobile Performance

Page speed is especially important for mobile users who often have slower connections.

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Frequently Asked Questions

How can I check my website speed?

You can check your website speed using Auditora's free speed test tool. Simply enter your URL above and get instant results showing your Core Web Vitals scores (LCP, INP, CLS) along with specific recommendations to improve performance.

What is a good website speed score?

A good website speed score means passing all Core Web Vitals: LCP under 2.5 seconds (loading), INP under 200ms (interactivity), and CLS under 0.1 (visual stability). Pages meeting these thresholds provide a good user experience and may rank better in Google.

How does website speed affect SEO?

Website speed directly impacts SEO through Core Web Vitals, which are Google ranking factors. Faster sites tend to rank higher, have lower bounce rates, and provide better user experience. Google specifically measures LCP, INP, and CLS as part of page experience signals.

How to check website speed test results?

After running a website speed test, review your Core Web Vitals scores. Green scores are good, yellow needs improvement, and red is poor. Focus on fixing red and yellow metrics first using the specific recommendations provided for each metric.

Ready to Check Your Website Speed?

Run a free speed test and see how your site performs on Core Web Vitals.

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