Report Summary

  • 4


    Renders faster than
    20% of other websites

  • 100


    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 100


    Google-friendlier than
    95% of websites

Cartoonito | Tekenfilms, spelletjes en activiteiten voor peuters van kinderzender Cartoonito

Page Load Speed

17.2 sec in total

First Response

300 ms

Resources Loaded

16 sec

Page Rendered

902 ms screenshot

About Website

Welcome to homepage info - get ready to check Boomerangtv best content right away, or after learning these important things about

Cartoonito is de perfecte plek voor al je lievelingsprogramma's voor peuters. Je zit hier goed voor gratis video's, online spelletjes en activiteiten van programma's als Batwheels en Bu...


Key Findings

We analyzed page load time and found that the first response time was 300 ms and then it took 16.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics performance score


Measured Metrics





FCP (First Contentful Paint)

Value3.8 s



LCP (Largest Contentful Paint)

Value15.9 s



SI (Speed Index)

Value14.1 s



TBT (Total Blocking Time)

Value13,410 ms



CLS (Cumulative Layout Shift)




TTI (Time to Interactive)

Value20.0 s



Network Requests Diagram

300 ms

4642 ms


417 ms


6221 ms


388 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 80% of them (101 requests) were addressed to the original, 6% (7 requests) were made to and 5% (6 requests) were made to The less responsive or slowest element that took the longest time to load (6.2 sec) belongs to the original domain

Page Optimization Overview & Recommendations

Page size can be reduced by 499.0 kB (12%)

Content Size

4.3 MB

After Optimization

3.8 MB

In fact, the total size of main page is 4.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 85.6 kB

  • Original 107.7 kB
  • After minification 100.5 kB
  • After compression 22.1 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 85.6 kB or 79% of the original size.

Image Optimization


Potential reduce by 62.1 kB

  • Original 3.7 MB
  • After minification 3.6 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Boomerangtv images are well optimized though.

JavaScript Optimization


Potential reduce by 307.2 kB

  • Original 461.9 kB
  • After minification 417.0 kB
  • After compression 154.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 307.2 kB or 67% of the original size.

CSS Optimization


Potential reduce by 44.2 kB

  • Original 55.4 kB
  • After minification 46.0 kB
  • After compression 11.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. needs all CSS files to be minified and compressed as it can save up to 44.2 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (20%)

Requests Now


After Optimization


The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boomerangtv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review accessibility score


Accessibility Issues

Best Practices best practices score


Areas of Improvement

Trust and Safety




Does not use HTTPS


Ensure CSP is effective against XSS attacks





Detected JavaScript libraries


Page has valid source maps

SEO Factors SEO score


Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](




Document uses legible font sizes

Language and Encoding

  • Language Detected


  • Language Claimed


  • Encoding


Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of Boomerangtv. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: