Tools & Wizards About Us

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

courseware.nl

Online leeroplossingen | E-learning, LMS & LXP | Partnership

Page Load Speed

4.1 sec in total

First Response

346 ms

Resources Loaded

3 sec

Page Rendered

817 ms

About Website

Visit courseware.nl now to see the best up-to-date Courseware content and also check out these interesting facts you probably never knew about courseware.nl

Specialist in leer- en kennistechnologie. Wij zijn de partner die de verbinding maakt tussen didactiek, leertechnologie en bedrijfsprocessen.

Visit courseware.nl

Key Findings

We analyzed Courseware.nl page load time and found that the first response time was 346 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

courseware.nl performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value18.5 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value2,650 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value21.3 s

1/100

10%

Network Requests Diagram

courseware.nl

346 ms

www.courseware.nl

427 ms

css

63 ms

uc.js

54 ms

aos.css

67 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 75% of them (47 requests) were addressed to the original Courseware.nl, 5% (3 requests) were made to Googletagmanager.com and 5% (3 requests) were made to Fast.wistia.com. The less responsive or slowest element that took the longest time to load (843 ms) belongs to the original domain Courseware.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 734.0 kB (22%)

Content Size

3.4 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Courseware.nl main page is 3.4 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. 70% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 142.1 kB

  • Original 170.5 kB
  • After minification 165.2 kB
  • After compression 28.4 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 142.1 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 156.8 kB

  • Original 2.2 MB
  • After minification 2.1 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. Courseware images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 426.7 kB

  • Original 913.7 kB
  • After minification 913.6 kB
  • After compression 487.0 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 426.7 kB or 47% of the original size.

CSS Optimization

-11%

Potential reduce by 8.5 kB

  • Original 76.8 kB
  • After minification 76.8 kB
  • After compression 68.3 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. Courseware.nl needs all CSS files to be minified and compressed as it can save up to 8.5 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (35%)

Requests Now

54

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Courseware. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

courseware.nl accessibility score

71

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

courseware.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

courseware.nl SEO score

97

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

Impact

Issue

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 Courseware.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 Courseware.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

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