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Check website performance and find what to improve.

Run a website performance check and review the available timing and page-speed information returned by the configured test service.

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About this tool

About Website Speed Test

The Website Speed Test checks how a public web page performs and presents timing information and a performance summary. It helps you see whether a page loads quickly, where time is being spent and which improvements are likely to matter most.

Page speed influences visitor experience, bounce rate and search visibility. Slow pages usually suffer from oversized images, heavy scripts, slow servers or too many third-party tools. A speed report is most useful when you act on the biggest issues first and then test again.

Page speed shapes how visitors feel about a site, and it is one of the signals search engines consider. The Website Speed Test measures how a page loads and points to the areas that usually cost the most time, such as heavy images, many requests and slow server response.

A single score hides detail, so use the report as a starting list. Fix the largest problem first, test again and repeat. Small repeated improvements tend to beat a one-time rebuild, and they are easy to verify after every change.

Step by step

How to Use Website Speed Test

  1. 1
    Enter the page addressPaste the full URL of the page you want to analyse, including https://.
  2. 2
    Run the analysisStart the test and wait while the page is loaded and measured.
  3. 3
    Review the reportLook at the overall score and the individual timing values to find the slowest parts.
  4. 4
    Fix and retestOptimise images, scripts or hosting, then run the test again to confirm the improvement.
Real-world use

Where Website Speed Test helps most

Image weightFind oversized images and decide which ones to compress, resize or lazy-load.
Server responseNotice when the first response is slow, which points to hosting or caching rather than page design.
Third-party scriptsSpot ads, trackers and widgets that delay the moment a page becomes usable.
Before and afterMeasure the effect of a change instead of guessing whether it helped.
Get better results

Practical tips for Website Speed Test

  • Test your most important pages, not only the home page.
  • Run the test more than once. Results vary with network conditions and server load.
  • Change one thing at a time so you can tell what helped.
  • Start with images. They are usually the largest part of a page's weight and the easiest win.
  • Check mobile behavior separately, because phones have slower processors and networks.

Common mistakes to avoid

  • Chasing a perfect score instead of fixing the largest real problem.
  • Adding caching or optimization plugins without measuring their effect.
  • Testing once, seeing a slow result and drawing conclusions from a single run.
Benefits

Why Use Website Speed Test

Clear performance summaryA readable overview of how fast and how healthy the page is.
Actionable directionSpot oversized assets and blocking resources that are worth fixing first.
Works for any public pageTest your own site, a landing page or a competitor's page.
Supports SEO workFaster pages give visitors a better experience, which supports long-term search performance.

Good to know. Results are a snapshot taken from the test location. Visitors from other regions and devices may see different timings. See the Privacy Policy for details.

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Questions & answers

Frequently Asked Questions

What does the Website Speed Test measure?
It measures how a public page loads and reports timing details and an overall performance indication so you can compare changes over time.
Why does my score change between runs?
Server load, network conditions and testing location vary from run to run. Test several times and look at the trend instead of a single number.
What usually makes a website slow?
Large uncompressed images, too many scripts, slow hosting, missing caching and heavy third-party widgets are the most common causes.
Does page speed affect SEO?
Speed is one of several factors that shape user experience and can influence search performance, but content quality and relevance matter just as much.
How can I improve my score quickly?
Compress and resize images, enable caching and compression on the server, remove unused scripts and load non-critical resources later.
Can I test pages that require a login?
No. The tool can only analyse pages that are publicly reachable without signing in.