Access squla.nl. Squla | Leuk leren - Oefen met Alle Vakken van de Basisschool

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value24.0 s

0/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,750 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.116

85/100

15%

TTI (Time to Interactive)

Value40.1 s

0/100

10%

squla.nl

14 ms

squla.nl

23 ms

www.squla.nl

28 ms

style.min.css

6 ms

style.css

18 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 34% of them (26 requests) were addressed to the original Squla.nl, 54% (41 requests) were made to D1z50365tnyc9d.cloudfront.net and 5% (4 requests) were made to Dev.visualwebsiteoptimizer.com. The less responsive or slowest element that took the longest time to load (474 ms) relates to the external source D1z50365tnyc9d.cloudfront.net.

Content Size

4.2 MB

After Optimization

3.0 MB

In fact, the total size of Squla.nl main page is 4.2 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. Only a small number of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 89.1 kB

Original 103.9 kB
After minification 71.7 kB
After compression 14.8 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. This page needs HTML code to be minified as it can gain 32.2 kB, which is 31% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 89.1 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 90.4 kB

Original 2.5 MB
After minification 2.4 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. Squla images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 441.3 kB

Original 884.4 kB
After minification 846.0 kB
After compression 443.1 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 441.3 kB or 50% of the original size.

CSS Optimization

-86%

Potential reduce by 616.1 kB

Original 712.6 kB
After minification 692.5 kB
After compression 96.5 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. Squla.nl needs all CSS files to be minified and compressed as it can save up to 616.1 kB or 86% of the original size.

Requests Now

After Optimization

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Squla. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

NL
Language Claimed

NL
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Squla.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Squla.nl 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

squla.nl

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Squla | Leuk leren - Oefen met Alle Vakken van de Basisschool

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

squla.nl

squla.nl

www.squla.nl

style.min.css

style.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

squla.nl

squla.nl

www.squla.nl

style.min.css

style.css

airdatepicker.css

style.css

editor.css

footer.js

jquery.min.js

game.js

lepopup.js

airdatepicker.js

swiper.min.js

script.js

nl_NL.js

consent-cookie.nl_NL.js

api.js

gtm.js

gtm.js

j.php

logo_squla.svg

junior-segment-icon-100x100.png

medior-segment-icon-100x100.png

senior-segment-icon-100x100.png

TaalExtra-icon-color-100x100.png

Studira-groot-100x100.jpeg

Math-100x100.png

Speaking-100x100.png

Grammar-100x100.png

Reading-100x100.png

English-100x100.png

Geography-100x100.png

Topography-100x100.png

History-100x100.png

Science-100x100.png

Tests-100x100.png

Foreing-Languages-100x100.png

21st-Century-Skills-100x100.png

Subject-Icons-100x100.png

Music-100x100.png

WoordExtra-100x100.png

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