Access e-learning.nl. e-Learning.nl, de Nederlandse e-learning portal

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value880 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value1.401

0/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

e-learning.nl

371 ms

e-learning.nl

443 ms

www.e-learning.nl

1687 ms

js

75 ms

addthis_widget.js

61 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 86% of them (69 requests) were addressed to the original E-learning.nl, 4% (3 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain E-learning.nl.

Content Size

892.1 kB

After Optimization

454.1 kB

In fact, the total size of E-learning.nl main page is 892.1 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. 40% of websites need less resources to load. Javascripts take 541.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 51.3 kB

Original 63.4 kB
After minification 53.5 kB
After compression 12.1 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. This page needs HTML code to be minified as it can gain 9.9 kB, which is 16% 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 51.3 kB or 81% of the original size.

Image Optimization

-12%

Potential reduce by 26.6 kB

Original 218.9 kB
After minification 192.2 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. Obviously, E Learning needs image optimization as it can save up to 26.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 350.5 kB

Original 541.8 kB
After minification 527.5 kB
After compression 191.2 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 350.5 kB or 65% of the original size.

CSS Optimization

-14%

Potential reduce by 9.5 kB

Original 68.1 kB
After minification 67.6 kB
After compression 58.6 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. E-learning.nl needs all CSS files to be minified and compressed as it can save up to 9.5 kB or 14% of the original size.

Requests Now

After Optimization

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of E Learning. 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 from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

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

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

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 E-learning.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 E-learning.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

e-learning.nl

Open Graph description is not detected on the main page of E Learning. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

e-Learning.nl, de Nederlandse e-learning portal > Home

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

e-learning.nl

e-learning.nl

www.e-learning.nl

js

addthis_widget.js

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

e-learning.nl

e-learning.nl

www.e-learning.nl

js

addthis_widget.js

hotjar-189944.js

default.css

module.css

SearchSkinObjectPreview.css

skin.css

portal.css

bootstrap.min.css

slidebars.min.css

css

jquery.bxslider.css

jquery.js

jquery-migrate.js

jquery-ui.min.js

WebResource.axd

ScriptResource.axd

ScriptResource.axd

dnn.js

dnn.modalpopup.js

bootstrap.min.js

jquery.bxslider.min.js

slidebars.min.js

scripts.js

doubletaptogo.min.js

dnncore.js

SearchSkinObjectPreview.js

dnn.servicesframework.js

modules.404c8789d11e259a4872.js

bootstrap.min.css

ga.js

logo-elearning.gif

slider-image-04.jpg

ImageHandler.ashx

ImageHandler.ashx

ImageHandler.ashx

ImageHandler.ashx

ImageHandler.ashx

ImageHandler.ashx

ImageHandler.ashx