Tools & Wizards About Us

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

leskompas.nl

LesKompas - Startpagina's per vak en groep, voor alle methoden van het basisonderwijs

Page Load Speed

2.7 sec in total

First Response

475 ms

Resources Loaded

2.1 sec

Page Rendered

132 ms

About Website

Click here to check amazing Les Kompas content for Netherlands. Otherwise, check out these important facts you probably never knew about leskompas.nl

LesKompas is een praktische tool om internet succesvol op de basisschool in te zetten. Honderden links met praktische informatie, oefeningen, video's, werkbladen en middelen voor het digibord zijn voo...

Visit leskompas.nl

Key Findings

We analyzed Leskompas.nl page load time and found that the first response time was 475 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

leskompas.nl performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

leskompas.nl

475 ms

www.leskompas.nl

653 ms

forms.1.0.css

94 ms

leskompas_v2.css

284 ms

jquery.fancybox-1.3.1.css

377 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 85% of them (34 requests) were addressed to the original Leskompas.nl, 5% (2 requests) were made to Ssl.google-analytics.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (660 ms) belongs to the original domain Leskompas.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 242.5 kB (42%)

Content Size

580.0 kB

After Optimization

337.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Leskompas.nl main page is 580.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Javascripts take 272.8 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 8.8 kB

  • Original 12.5 kB
  • After minification 12.0 kB
  • After compression 3.6 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 8.8 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 396 B

  • Original 246.8 kB
  • After minification 246.4 kB

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. Les Kompas images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 193.4 kB

  • Original 272.8 kB
  • After minification 218.2 kB
  • After compression 79.4 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 193.4 kB or 71% of the original size.

CSS Optimization

-83%

Potential reduce by 39.9 kB

  • Original 48.0 kB
  • After minification 37.2 kB
  • After compression 8.1 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. Leskompas.nl needs all CSS files to be minified and compressed as it can save up to 39.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (61%)

Requests Now

36

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Les Kompas. 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.

Network Requests Diagram

Accessibility Review

leskompas.nl accessibility score

76

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

leskompas.nl best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

leskompas.nl SEO score

50

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Leskompas.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 Leskompas.nl main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Les Kompas. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: