Report Summary

  • 71

    Performance

    Renders faster than
    82% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

sji-borsbeek.schoolonline.be

SINT-JOZEFSINSTITUUT SCHOOLONLINE AANMELDEN

Page Load Speed

2.7 sec in total

First Response

198 ms

Resources Loaded

2.4 sec

Page Rendered

95 ms

sji-borsbeek.schoolonline.be screenshot

About Website

Welcome to sji-borsbeek.schoolonline.be homepage info - get ready to check Sji Borsbeek SCHOOLONLINE best content for Belgium right away, or after learning these important things about sji-borsbeek.schoolonline.be

Pronoia BVBA

Visit sji-borsbeek.schoolonline.be

Key Findings

We analyzed Sji-borsbeek.schoolonline.be page load time and found that the first response time was 198 ms and then it took 2.5 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

sji-borsbeek.schoolonline.be performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.29

41/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

sji-borsbeek.schoolonline.be

198 ms

sji-borsbeek.schoolonline.be

454 ms

bootstrap.min.8a7442ca6bed.css

336 ms

font-awesome-4.1.0.min.29331858de8c.css

252 ms

screen.43a6b548cb8a.css

340 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 71% of them (15 requests) were addressed to the original Sji-borsbeek.schoolonline.be, 10% (2 requests) were made to Www28.schoolonline.be and 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Sji-borsbeek.schoolonline.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 588.0 kB (22%)

Content Size

2.6 MB

After Optimization

2.0 MB

In fact, the total size of Sji-borsbeek.schoolonline.be main page is 2.6 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. 30% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 7.8 kB

  • Original 9.6 kB
  • After minification 4.1 kB
  • After compression 1.8 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 5.6 kB, which is 58% 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 7.8 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 18.7 kB

  • Original 1.9 MB
  • After minification 1.9 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. Sji Borsbeek SCHOOLONLINE images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 45.8 kB

  • Original 85.2 kB
  • After minification 85.0 kB
  • After compression 39.4 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 45.8 kB or 54% of the original size.

CSS Optimization

-88%

Potential reduce by 515.7 kB

  • Original 588.6 kB
  • After minification 478.6 kB
  • After compression 72.9 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. Sji-borsbeek.schoolonline.be needs all CSS files to be minified and compressed as it can save up to 515.7 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (56%)

Requests Now

18

After Optimization

8

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sji Borsbeek SCHOOLONLINE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sji-borsbeek.schoolonline.be accessibility score

95

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

sji-borsbeek.schoolonline.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

sji-borsbeek.schoolonline.be SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sji-borsbeek.schoolonline.be can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sji-borsbeek.schoolonline.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 Sji Borsbeek SCHOOLONLINE. 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: