Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

studentkotweb.be

Welkom in Antwerpen | Kotweb

Page Load Speed

3.6 sec in total

First Response

451 ms

Resources Loaded

2.1 sec

Page Rendered

1 sec

studentkotweb.be screenshot

About Website

Click here to check amazing Student Kotweb content for Belgium. Otherwise, check out these important facts you probably never knew about studentkotweb.be

Visit studentkotweb.be

Key Findings

We analyzed Studentkotweb.be page load time and found that the first response time was 451 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

studentkotweb.be performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

studentkotweb.be

451 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

170 ms

css_RJzktkbKM6l24mzNYtYBIDt6bvsdsFW9H_VcmY5p5TU.css

169 ms

css_2YUiFaTszppo4IpYbvgw4-QVpJWgKklEl0UOKSO0EoU.css

172 ms

css_BDMIGSsND7iGAq0-Z-u9SZV-hm8iR0-cy2MhPUMxvoE.css

345 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 83% of them (43 requests) were addressed to the original Studentkotweb.be, 6% (3 requests) were made to S7.addthis.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Studentkotweb.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 706.5 kB (45%)

Content Size

1.6 MB

After Optimization

868.3 kB

In fact, the total size of Studentkotweb.be main page is 1.6 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. Javascripts take 741.2 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 49.8 kB

  • Original 71.1 kB
  • After minification 69.2 kB
  • After compression 21.4 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 49.8 kB or 70% of the original size.

Image Optimization

-10%

Potential reduce by 65.5 kB

  • Original 668.6 kB
  • After minification 603.0 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. Student Kotweb images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 515.4 kB

  • Original 741.2 kB
  • After minification 652.2 kB
  • After compression 225.8 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 515.4 kB or 70% of the original size.

CSS Optimization

-81%

Potential reduce by 75.8 kB

  • Original 93.9 kB
  • After minification 91.6 kB
  • After compression 18.1 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. Studentkotweb.be needs all CSS files to be minified and compressed as it can save up to 75.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (39%)

Requests Now

51

After Optimization

31

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Student Kotweb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

studentkotweb.be accessibility score

87

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.

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

studentkotweb.be best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

studentkotweb.be SEO score

85

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

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

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 Studentkotweb.be 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 Studentkotweb.be 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 description is not detected on the main page of Student Kotweb. 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: