Analyze Website Performance

Analyze your website's performance with comprehensive metrics including page speed, Core Web Vitals, and SEO factors.

Request Feature / Support

10,228+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

AI Web Tool Generator

Build Your Own Custom Web Calculator in Seconds

Type what tool or calculator you need below. Our AI will build it instantly for your site.

About This Tool

This powerful website performance analyzer tool provides detailed insights into your website's loading speed, optimization levels, and overall performance. Enter any website URL to get comprehensive metrics including Core Web Vitals (LCP, FID, CLS), performance scores, SEO recommendations, and actionable insights to improve your site's speed and user experience. The tool uses Google's PageSpeed Insights API to deliver accurate, real-time performance data.

Save your calculation history with a free account

How to Use

Enter the full URL of the website you want to analyze (include https://)
Select which performance metrics you want to check (all are selected by default)
Click the 'Analyze Website' button to start the performance test
View detailed results including performance scores, Core Web Vitals, and optimization recommendations
Use the 'Download Report' button to save the analysis as a JSON file

Frequently Asked Questions

Find Quick Answers

What performance metrics does this tool analyze?

The tool analyzes multiple performance metrics including Core Web Vitals (Largest Contentful Paint, First Input Delay, Cumulative Layout Shift), performance score, accessibility score, best practices score, SEO score, and provides specific recommendations for improvement.

How accurate are the performance results?

Results are highly accurate as they come directly from Google's PageSpeed Insights API, which is the industry standard for website performance testing. The data reflects real-world performance metrics.

Do I need an API key to use this tool?

No API key is needed from the user's perspective. The tool uses a backend API key that needs to be configured by the platform administrator in the environment variables.

Can I analyze websites that require authentication?

No, this tool can only analyze publicly accessible websites. Websites behind login walls or with restricted access cannot be analyzed.

How long does the analysis take?

Analysis typically takes 5-10 seconds depending on the website's size and response time. Larger websites with more resources may take slightly longer.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

Related Tools

Other useful calculators and utilities you might like

Spotify to MP3 Converter

Convert Spotify tracks and playlists to MP3 format instantly with our free online converter.

Road Distance Calculator

Calculate the driving distance and travel time between two addresses with our free online road dista...

Age Calculator

Calculate your exact age in years, months, and days from any birth date to any target date.

Currency Converter

Convert currencies instantly with real-time exchange rates and historical data support.

Your Feedback Matters

Help Us to Improve