Report Summary

  • 53

    Performance

    Renders faster than
    72% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

nascholing.be

Professionalisering

Page Load Speed

1.9 sec in total

First Response

306 ms

Resources Loaded

1.5 sec

Page Rendered

148 ms

nascholing.be screenshot

About Website

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

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Key Findings

We analyzed Nascholing.be page load time and found that the first response time was 306 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

nascholing.be performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.0 s

43/100

10%

Network Requests Diagram

nascholing.be

306 ms

index.aspx

405 ms

jquery-ui-1.8.9.custom.css

420 ms

style.css

416 ms

form.css

260 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 89% of them (25 requests) were addressed to the original Nascholing.be, 7% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Maps.google.com. The less responsive or slowest element that took the longest time to load (655 ms) belongs to the original domain Nascholing.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 822.3 kB (79%)

Content Size

1.0 MB

After Optimization

219.5 kB

In fact, the total size of Nascholing.be main page is 1.0 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. 35% of websites need less resources to load. Javascripts take 899.8 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 28.5 kB

  • Original 40.0 kB
  • After minification 36.8 kB
  • After compression 11.5 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 28.5 kB or 71% of the original size.

Image Optimization

-41%

Potential reduce by 8.5 kB

  • Original 20.7 kB
  • After minification 12.2 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, Nascholing needs image optimization as it can save up to 8.5 kB or 41% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-80%

Potential reduce by 715.6 kB

  • Original 899.8 kB
  • After minification 673.4 kB
  • After compression 184.1 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 715.6 kB or 80% of the original size.

CSS Optimization

-86%

Potential reduce by 69.7 kB

  • Original 81.3 kB
  • After minification 55.3 kB
  • After compression 11.7 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. Nascholing.be needs all CSS files to be minified and compressed as it can save up to 69.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (65%)

Requests Now

26

After Optimization

9

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nascholing. 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.

Accessibility Review

nascholing.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.

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

nascholing.be best practices score

58

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

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nascholing.be SEO score

62

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

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nascholing.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 Nascholing.be main page’s claimed encoding is iso-8859-1. 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 Nascholing. 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: