Page Speed Test
Enter a URL to test page speed
Analyze performance scores, Core Web Vitals, and resource loading.
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Tool Information
Shortcuts
Ctrl + KEscEnterQuick Actions
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How to Use
Follow these simple steps to test your page speed.
Enter URL
Type or paste the full URL of the page you want to test.
Choose Device
Select Mobile or Desktop to simulate different environments.
Run Test
Click the test button to analyze page speed and Core Web Vitals.
Review Results
Check performance score, metrics, and resource breakdown.
Why Use This Page Speed Test?
The fastest way to test and optimize your website speed.
Performance Score
Get a comprehensive 0-100 performance score based on multiple factors.
Core Web Vitals
Measure LCP, FID, CLS, FCP, TTFB, and Speed Index metrics.
Mobile Testing
Simulate mobile device performance to optimize for mobile users.
Resource Analysis
View all loaded resources with sizes, types, and load times.
Optimization Tips
Identify large resources and slow-loading elements for improvement.
100% Free
No registration, no data sent. All analysis happens in your browser.
Frequently Asked Questions
What is page speed?
Page speed measures how quickly your website content loads and becomes interactive for users. It is a critical factor for both user experience and search engine rankings. Google considers page speed as one of the ranking signals in its algorithm.
What are Core Web Vitals?
Core Web Vitals are a set of specific metrics that Google considers essential for a great user experience. They measure loading performance (LCP), interactivity (FID), and visual stability (CLS). These metrics directly impact your search rankings.
What is LCP (Largest Contentful Paint)?
LCP measures how long it takes for the largest visible content element on your page to render. A good LCP is 2.5 seconds or less. Common causes of poor LCP include slow server response times, render-blocking resources, and large unoptimized images.
What is FID (First Input Delay)?
FID measures the time between when a user first interacts with your page (clicks a link, taps a button) and when the browser begins processing the event. A good FID is 100 milliseconds or less. Heavy JavaScript execution is the most common cause of poor FID.
What is CLS (Cumulative Layout Shift)?
CLS measures the total amount of unexpected layout shifts of visible content during the entire lifecycle of the page. A good CLS is 0.1 or less. Layout shifts are often caused by images without dimensions, dynamically injected content, or web fonts causing FOIT/FOUT.
How can I improve my page speed?
Key optimizations include: compressing and properly sizing images, minifying CSS and JavaScript, using browser caching, implementing lazy loading, reducing server response time, using a CDN, and eliminating render-blocking resources. Focus on the largest improvements first.