Free Tool

Free Website Speed Test - TTFB, Page Size & Performance Check

Run a free website speed test to measure TTFB, total load time, page size, compression, HTTP version, and redirect chain. Get an A-F performance grade and actionable optimization tips.

Last updated: May 2026

Website Speed Tester

Enter a full URL including https://

Measure:

  • Time to First Byte
  • Total Load Time
  • Page Size & Compression
  • HTTP Version & Redirects
  • A-F Performance Grade

Speed Test Results

Your speed test results will appear here

Enter a URL and click Test Speed

Want to track your website's performance?

Use UseClick analytics to track clicks and performance across all your links. Understand where your traffic comes from and how they engage with your content.

Create Free Account

Why Website Speed Matters

Website speed directly impacts user experience, conversion rates, and search engine rankings. Slow-loading pages cause visitors to leave, increasing bounce rates and lost revenue. Google's Core Web Vitals metrics now use page speed as a ranking factor, making it essential for SEO performance.

Why Website Speed Matters

Page speed is one of the few optimizations that simultaneously improves SEO, conversions, and user satisfaction.

  • 1. Mobile Abandonment

    Google found that 53% of mobile users abandon sites that take longer than 3 seconds to load.

    53% of mobile users abandon sites slower than 3s (Google)

  • 2. Conversion Loss

    Akamai's research shows that a 1-second delay in page load time reduces conversions by 7%.

    1s delay = 7% drop in conversions (Akamai)

  • 3. SEO Rankings

    Google uses Core Web Vitals as an explicit ranking signal.

    Core Web Vitals are a Google ranking factor since 2021

What We Measure vs Full Lighthouse Audits

Honest disclaimer: our tool focuses on server-side performance. For a complete user-experience audit, combine it with Lighthouse.

UseClick Speed Test

  • Time to First Byte (TTFB)
  • Total download time
  • Initial HTML payload size
  • Compression detection (gzip / Brotli)
  • HTTP protocol version
  • Redirect chain length
  • Server & Cache-Control headers
  • Instant results (no Chrome instance)

Lighthouse / PageSpeed Insights

  • Largest Contentful Paint (LCP)
  • Cumulative Layout Shift (CLS)
  • Interaction to Next Paint (INP)
  • First Contentful Paint (FCP)
  • JavaScript execution time
  • Accessibility & best-practice audits
  • Image and font optimization checks
  • Field data from real users (CrUX)

Honest Disclaimer

Our tool is a server-side performance check, not a full browser audit.

Speed Optimization Tips

Five high-impact improvements that almost always move the needle on website speed.

  • 1. Enable Compression

    Turn on gzip or Brotli compression at the server or CDN level.

  • 2. Use a CDN

    A Content Delivery Network caches your content at edge locations close to your users.

  • 3. Optimize Images

    Images are usually the largest assets on a page. Convert to WebP or AVIF.

  • 4. Upgrade to HTTP/2 or HTTP/3

    HTTP/2 multiplexes multiple requests over a single connection.

  • 5. Set Cache-Control Headers

    Add long-lived Cache-Control headers for static assets.

  • 6. Eliminate Redirect Chains

    Each redirect adds 100-500ms of latency.

How Our Website Speed Test Works

Five steps from URL submission to actionable performance grade.

  1. Step 01

    Redirect Chain Discovery

    We send HEAD requests and follow each Location header manually.

  2. Step 02

    TTFB Measurement

    We issue a GET request and record the elapsed time until the response headers are returned.

  3. Step 03

    Payload & Compression Analysis

    We stream the full response body, measure its byte size, and inspect compression.

  4. Step 04

    Header & Protocol Inspection

    We read the Server, Cache-Control, and Content-Type response headers.

  5. Step 05

    Grade & Recommendations

    We combine TTFB, page size, and compression into a single A-F grade.

  • AExcellent
  • BGood
  • CAverage
  • DSlow
  • FCritical
FAQ

Frequently Asked Questions

Yes, the UseClick website speed test is completely free with no signup, no account creation, and no usage limits.

Our website speed test measures server-side performance. Lighthouse measures client-side Core Web Vitals.

Time to First Byte (TTFB) measures how long it takes for the first byte of the response to arrive.

Page size is the total number of bytes downloaded and is one of the biggest predictors of load time.

Google uses page speed as a ranking signal. Slow sites lose visibility in search results.

Our test sends a single GET request and does not load JavaScript or fire analytics events.

Make Every Link You Share Fast and Trackable

A fast website is only half the battle. The other half is knowing which campaigns drive traffic.

  • Edge Redirects

    Sub-50ms redirects from Cloudflare's global network

  • Branded Domains

    Use your own domain with automatic SSL

  • Real-Time Analytics

    Track clicks, locations, devices, and referrers

Create Your Free UseClick Account
  • Privacy-first (GDPR compliant)
  • No credit card required
  • Setup in 60 seconds
Free Tool

Related Free Tools

All Free Tools

Ready to track smarter?

UseClick.io makes link management effortless. Create branded short links that are clean, memorable, and built to strengthen your brand identity.

Start for free