Tools & Wizards About Us
nha.be screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

nha.be

NHA Afstandsonderwijs | 400 Opleidingen & cursussen als thuisstudie

Page Load Speed

3.1 sec in total

First Response

220 ms

Resources Loaded

2.4 sec

Page Rendered

466 ms

nha.be screenshot

About Website

Welcome to nha.be homepage info - get ready to check NHA best content for Belgium right away, or after learning these important things about nha.be

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Key Findings

We analyzed Nha.be page load time and found that the first response time was 220 ms and then it took 2.9 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

nha.be performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value2,460 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.198

62/100

15%

TTI (Time to Interactive)

Value19.6 s

2/100

10%

Network Requests Diagram

nha.be

220 ms

www.nha.be

610 ms

gtm.js

106 ms

otSDKStub.js

71 ms

t8c4ec8.js

195 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 52% of them (17 requests) were addressed to the original Nha.be, 15% (5 requests) were made to Fonts.gstatic.com and 9% (3 requests) were made to Cookie-cdn.cookiepro.com. The less responsive or slowest element that took the longest time to load (849 ms) belongs to the original domain Nha.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.7 kB (8%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nha.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. 65% of websites need less resources to load. Javascripts take 825.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 117.4 kB

  • Original 146.0 kB
  • After minification 122.6 kB
  • After compression 28.6 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 23.5 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 117.4 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 10.0 kB

  • Original 552.9 kB
  • After minification 542.9 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. NHA images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.3 kB

  • Original 825.8 kB
  • After minification 825.8 kB
  • After compression 824.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 79 B

  • Original 78.9 kB
  • After minification 78.9 kB
  • After compression 78.8 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. Nha.be has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (52%)

Requests Now

25

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NHA. 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 as a result speed up the page load time.

Network Requests Diagram

nha.be

nha.be

220 ms

www.nha.be

www.nha.be

610 ms

gtm.js

gtm.js

106 ms

otSDKStub.js

otSDKStub.js

71 ms

t8c4ec8.js

t8c4ec8.js

195 ms

font-awesome.min.css

font-awesome.min.css

53 ms

lazysizes.min.js

lazysizes.min.js

139 ms

main.min.css

main.min.css

636 ms

modernizr.min.js

modernizr.min.js

438 ms

api.js

api.js

61 ms

jquery.min.js

jquery.min.js

849 ms

bootstrap.min.js

bootstrap.min.js

456 ms

lodash.min.js

lodash.min.js

442 ms

app.min.js

app.min.js

492 ms

018f5290-662b-7976-8fdb-02db35315357.json

018f5290-662b-7976-8fdb-02db35315357.json

28 ms

otBannerSdk.js

otBannerSdk.js

36 ms

css

css

55 ms

recaptcha__en.js

recaptcha__en.js

178 ms

lady2.jpg

lady2.jpg

456 ms

Tijdpakker_geconcentreerd_Werken.jpg

Tijdpakker_geconcentreerd_Werken.jpg

434 ms

DIJT_Python.jpg

DIJT_Python.jpg

491 ms

Marijke%20Deckx.jpg

Marijke%20Deckx.jpg

479 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

185 ms

S6u9w4BMUTPHh7USSwiPHA.ttf

S6u9w4BMUTPHh7USSwiPHA.ttf

346 ms

S6u8w4BMUTPHh30AXC-v.ttf

S6u8w4BMUTPHh30AXC-v.ttf

366 ms

S6u9w4BMUTPHh6UVSwiPHA.ttf

S6u9w4BMUTPHh6UVSwiPHA.ttf

368 ms

S6u9w4BMUTPHh50XSwiPHA.ttf

S6u9w4BMUTPHh50XSwiPHA.ttf

368 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

53 ms

ncs-cart-icon.png

ncs-cart-icon.png

408 ms

WEBSITE%20BANNER%20-%202500X841_1.jpg

WEBSITE%20BANNER%20-%202500X841_1.jpg

457 ms

js

js

116 ms

opening-hours

opening-hours

260 ms

BB_BE_homepag_Tablet_headphone_360x360.png

BB_BE_homepag_Tablet_headphone_360x360.png

127 ms

Accessibility Review

nha.be accessibility score

63

Accessibility Issues

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

Image elements do not have [alt] attributes

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.

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

nha.be best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

nha.be SEO score

84

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nha.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 Nha.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

nha.be

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