AI-Powered Website Speed Test
Website Speed Test That Actually Improves Speed
Get a complete Core Web Vitals report for every page. Find oversized images, render-blocking code and sluggish server responses. Then get super specific AI fixes to boost scores.
No signup required. Results in 62 seconds.
What Jakka Tests
(Spoiler: Everything)
What Jakka Tests
(Spoiler: Everything)
Every scan checks 50+ performance factors across Core Web Vitals and page speed. Know exactly what to fix, and exactly how.
Every scan checks 50+ performance factors across Core Web Vitals and page speed. Know exactly what to fix, and exactly how.
Problems Jakka Spots
Real issues from real audits. Each came with a plain English explanation and a fix.
High Priority
Slow LCP (4.2s)
Your homepage takes 4.2 seconds to show main content on mobile. Google wants under 2.5 secs for a "Good" score.
The AI Fix Hero image is 2.4MB. Compress and serve as a WebP to cut size by 80%. Add fetchpriority to load first.
High Priority
Slow LCP (4.2s)
Homepage takes 4.2 sec to show content on mobile. Google wants under 2.5 sec for "Good" score.
The AI Fix Hero image is 2.4MB. Compress and serve as WebP to cut size by 80%. Add fetchpriority to load first.
High Priority
70 Oversized Images
Found 70 images larger than they need to be. Total potential savings add up to 12.3MB across the site.
The AI Fix Get an export list with the perfect dimensions and best format for every single file.
High Priority
70 Oversized Images
Found 70 images larger than they need to be. Total potential savings add up to 12.3MB across the site.
The AI Fix Get an export list with the perfect dimensions and best format for every single file.
Medium Priority
Layout Shift
Content jumps around after loading on 12 pages. Users might click the wrong button by mistake.
The AI Fix Add fixed dimensions to 34 images and reserve space for 3 ad containers to stop the jumping.
Medium Priority
Layout Shift
Content jumps around after loading on 12 pages. Users might click the wrong button by mistake.
The AI Fix Add fixed dimensions to 34 images and reserve space for 3 ad containers to stop the jumping.
Fix content issues at scale with AI
Stop fixing content problems one page at a time. Jakka analyzes every page and generates improvements you can apply in bulk. Export to CSV, import to your CMS, done.
Page by Page Scores
LCP, FID, CLS, and INP scores for every page. Sort by worst performers to prioritize fixes.
Historical Tracking
Monitor how your Core Web Vitals change after each deployment. Catch regressions early.
Prioritized Recommendations
AI suggests which fixes will have the biggest impact on your scores. Work smarter, not harder.
4.2s
LCP
Needs Improvement
45ms
FID
Good
0.18
CLS
Needs Improvement
120ms
INP
Good
Core Web Vitals Scores For Every Page
See exactly how each page stacks up against Google’s benchmarks. Track your wins over time. Know which pages to fix before they hurt your search rankings.
Page by Page Scores
Get LCP, FID, CLS and INP scores for every URL. Sort by the worst performers to know what to tackle first.
Historical Tracking
Watch your Core Web Vitals improve after every update you make. Catch slowdowns the moment they happen.
Prioritized Recommendations
The AI tells you which fixes will move the needle the most on your scores. Work smarter and faster, not harder.
4.2s
LCP
Needs Improvement
45ms
FID
Good
0.18
CLS
Needs Improvement
120ms
INP
Good
Fix content issues at scale with AI
Stop fixing content problems one page at a time. Jakka analyzes every page and generates improvements you can apply in bulk. Export to CSV, import to your CMS, done.
What Jakka Bot Does
Our crawler loads your pages like a real browser and measures every performance metric.
Run your free website speed test
Find every content quality issue on your site in minutes. No signup required.
Free plan available. No credit card required.
Real Browser Testing
Uses headless Chromium to load pages exactly like your users do. Measures actual render times, not estimates.
Image Analysis
Catalogs every image on your site. Reports size, format, dimensions, and compression potential for each one.
Resource Waterfall
Shows exactly when each file loads and what blocks rendering. Identifies third party scripts that slow you down.
Mobile Testing
Tests on simulated mobile devices with throttled connections. See how your site performs on slower networks.
Server Analysis
Checks TTFB, compression, caching headers, and HTTP/2 support. Finds backend bottlenecks.
Layout Shift Detection
Records what causes content to jump around. Pinpoints exact elements causing CLS problems.
What You Can Do With Jakka
The AI loads your pages just like a real visitor and measures every performance detail.
Real Browser Testing
Uses an actual browser engine to load pages like your users do. It measures true render times, not just guesses.
Deep Image Analysis
Catalogs every single image. You get a report on each file’s size, format, dimensions and how much you can shrink it.
Resource Waterfall View
See a timeline of when each file loads and what’s blocking the show. Spot the third party scripts dragging you down.
Mobile Connection Testing
Tests on simulated mobile devices with slower networks. See how your site performs for the majority of users.
Server Health Check
Checks server response time, compression, caching and modern protocol support. Find backend bottlenecks fast.
Layout Shift Detective
Records what makes your content jump around. Get the exact elements causing the problem.


