What is TTFB and why does it matter?

Time to First Byte (TTFB) measures how long it takes for the browser to receive the first byte of data from the server. A TTFB under 200ms is excellent; above 600ms indicates server-side issues that slow down the entire page load.

What is a good page speed score?

A score of 80+ is considered fast, 50-79 is moderate, and below 50 needs significant improvement. Google recommends a Largest Contentful Paint (LCP) under 2.5 seconds for optimal user experience.

How does page speed affect SEO?

Google uses page speed as a ranking signal through Core Web Vitals. Faster pages rank higher, have lower bounce rates, and provide better user engagement — all of which contribute to improved search visibility.

What are the most common performance issues?

The most common issues include unoptimized images, render-blocking JavaScript and CSS, lack of compression (gzip/brotli), no HTTP/2, and excessive third-party scripts. Our tool identifies each of these.

How does page speed affect conversion rates?

Studies show that a 1-second delay in page load time can reduce conversions by up to 7%. Amazon found that every 100ms of latency cost them 1% in sales. Speed directly impacts your bottom line.

What is the difference between TTFB and full page load?

TTFB measures server response time — how quickly the server starts sending data. Full page load measures when all resources (images, scripts, styles) have finished loading. Both matter but TTFB reflects server quality while full load reflects overall optimization.

Can I improve speed without changing my hosting?

Yes. Enabling compression, optimizing images, minifying CSS/JS, removing unused code, implementing lazy loading, and using a CDN can significantly improve speed without switching hosts.

Performance Analyzer v1.0

Page speed,tested for every load.

Measure your page load time, TTFB, resource count, and page size. Get actionable recommendations for faster performance.

FREE

Speed score scale

Core metrics

Live page data

0/7

Free to run

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#lcp#fcp#time to first byte#resource count#gzip#brotli#minification#lazy loading#server response#core web vitals#lcp#fcp#time to first byte#resource count#gzip#brotli#minification#lazy loading#server response#core web vitals

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Enter a URL above to analyze its load performance and identify optimization opportunities.

Frequently Asked Questions

Get answers to common questions about using this tool and understanding its metrics.

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Speed forensics engine

Milliseconds are
money. We find them.

Payload, render-blocking, image-weight and script-cost analysis that pinpoints exactly which bytes stand between your visitors and instant loads.

Load timeline

First paint through interactivity mapped against budgets — see where each second goes.

FCPLCPTTIbudgets

benchmarkms timeline

Render blockers

Synchronous scripts and stylesheets that freeze first paint, ranked by blocked milliseconds.

scriptsCSSdeferasync

benchmarkms blocked

Image weight

Oversized, uncompressed and legacy-format images inventoried with byte savings attached.

compressionWebPsizinglazy-load

benchmarkKB to save

Script cost

Third-party and framework JavaScript weighed by main-thread cost — tag sprawl exposed.

third-partyframeworksmain-threadtags

benchmarkms CPU

Delivery posture

Compression, caching headers and CDN signals that decide whether bytes travel fast.

gzipcachingCDNHTTP/2

benchmarkpass / fail

Vitals forecast

How current markers translate into LCP, CLS and INP outcomes in the field.

LCPCLSINPfield

benchmarkrisk rating

How it works

From URL to speed plan in seconds.

No Lighthouse install, no throttling rig — instant triage that tells engineering exactly what to cut.

Step 01

Enter your URL

Any public page. We profile what the browser must download, parse and execute.

5 seconds

Step 02

Weight mapped

Payload broken down by images, scripts, styles and third parties with byte costs.

byte map

Step 03

Blockers ranked

Render-blocking and CPU-heavy offenders ordered by milliseconds recovered.

ms ranked

Step 04

Ship faster

Hand the ordered list to engineering, deploy, and re-run to verify the gain.

verify gain

Speed forensics

Fast is a feature teams ship.

Speed work fails without ordering — these lenses show which bytes to cut first for maximum perceived gain.

Unblock first paint first

Render-blocking resources delay everything visual. Deferring or inlining the right ones buys the biggest perceived win.

Synchronous script inventory
Stylesheet delivery audit
Defer / async / preload plan

Dimension benchmark87/100

unblocking first paint lifts conversions up to 7% per second

Why Amaris vs. the rest

Capability

Amaris

Generic

Manual

Instant speed triage, no setup

Render-blocker ranking by ms

Image byte-savings inventory

Third-party cost attribution

Free with instant re-runs

Real-user field data (CrUX)

Test your speed now

Free · Instant · No signup

Speed is revenue

Every 100ms costs you money.

Find the exact bytes slowing you down, cut them in order, and verify the gain with a re-run.

Test your speed now Talk to an expert

Free · No signup · Instant triage

Speed Matters

Learn how page performance impacts your business metrics and search rankings.

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