Tools & Wizards About Us
treinbestuurder.be screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

treinbestuurder.be

TREINBESTUURDER.BE

Page Load Speed

4.9 sec in total

First Response

291 ms

Resources Loaded

4.2 sec

Page Rendered

371 ms

treinbestuurder.be screenshot

About Website

Visit treinbestuurder.be now to see the best up-to-date TREINBESTUURDER content for Belgium and also check out these interesting facts you probably never knew about treinbestuurder.be

Zoek je naar informatie over de job als treinbestuurder? Zie je het zitten om de stap naar deze uitdagende job te zetten? Dan kan je hier meer informatie vinden, niet alleen over de job maar ook over ...

Visit treinbestuurder.be

Key Findings

We analyzed Treinbestuurder.be page load time and found that the first response time was 291 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

treinbestuurder.be performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value37.2 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value2,000 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

treinbestuurder.be

291 ms

treinbestuurder.be

525 ms

js

99 ms

bootstrap.css

207 ms

main.css

301 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 46% of them (43 requests) were addressed to the original Treinbestuurder.be, 11% (10 requests) were made to Static.xx.fbcdn.net and 9% (8 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Treinbestuurder.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 685.2 kB (11%)

Content Size

6.0 MB

After Optimization

5.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Treinbestuurder.be main page is 6.0 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. 70% of websites need less resources to load. Images take 4.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 110.5 kB

  • Original 129.6 kB
  • After minification 109.5 kB
  • After compression 19.2 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 20.2 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 110.5 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 203.6 kB

  • Original 4.6 MB
  • After minification 4.4 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. TREINBESTUURDER images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 353.4 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 737.0 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 353.4 kB or 32% of the original size.

CSS Optimization

-17%

Potential reduce by 17.8 kB

  • Original 104.2 kB
  • After minification 103.8 kB
  • After compression 86.4 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. Treinbestuurder.be needs all CSS files to be minified and compressed as it can save up to 17.8 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 51 (63%)

Requests Now

81

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TREINBESTUURDER. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

treinbestuurder.be

treinbestuurder.be

291 ms

treinbestuurder.be

treinbestuurder.be

525 ms

js

js

99 ms

bootstrap.css

bootstrap.css

207 ms

main.css

main.css

301 ms

MoneAdmin.css

MoneAdmin.css

292 ms

font-awesome.css

font-awesome.css

304 ms

all.min.css

all.min.css

407 ms

loader.css

loader.css

304 ms

cookieconsent.min.css

cookieconsent.min.css

59 ms

adsbygoogle.js

adsbygoogle.js

455 ms

api.js

api.js

65 ms

jquery-2.0.3.min.js

jquery-2.0.3.min.js

322 ms

bootstrap.min.js

bootstrap.min.js

388 ms

modernizr-2.6.2-respond-1.1.0.min.js

modernizr-2.6.2-respond-1.1.0.min.js

398 ms

jquery.isloading.min.js

jquery.isloading.min.js

396 ms

index.js

index.js

401 ms

layout2.css

layout2.css

454 ms

jquery-ui.css

jquery-ui.css

496 ms

datepicker.css

datepicker.css

497 ms

bootstrap-clockpicker.min.css

bootstrap-clockpicker.min.css

498 ms

jquery-ui.min.js

jquery-ui.min.js

701 ms

js

js

114 ms

style.js

style.js

499 ms

uurregeling.js

uurregeling.js

511 ms

index.js

index.js

581 ms

cookieconsent.min.js

cookieconsent.min.js

66 ms

recaptcha__en.js

recaptcha__en.js

48 ms

profiel.js

profiel.js

493 ms

background.jpg

background.jpg

2720 ms

logo.png

logo.png

131 ms

nieuws.png

nieuws.png

372 ms

shout.png

shout.png

221 ms

treinbestuurder.png

treinbestuurder.png

247 ms

rangeerbestuurder.png

rangeerbestuurder.png

394 ms

klak.png

klak.png

245 ms

ervaringen.png

ervaringen.png

683 ms

show_ads_impl.js

show_ads_impl.js

505 ms

likebox.php

likebox.php

127 ms

fa-v4compatibility.ttf

fa-v4compatibility.ttf

367 ms

fa-regular-400.ttf

fa-regular-400.ttf

482 ms

fa-brands-400.ttf

fa-brands-400.ttf

1553 ms

fa-solid-900.ttf

fa-solid-900.ttf

1787 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

937 ms

vraagenantwoord.png

vraagenantwoord.png

1121 ms

app.png

app.png

897 ms

vacature.png

vacature.png

1184 ms

get.php

get.php

1497 ms

get.php

get.php

1535 ms

get.php

get.php

1591 ms

anchor

anchor

34 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1612 ms

styles__ltr.css

styles__ltr.css

4 ms

recaptcha__en.js

recaptcha__en.js

14 ms

HLDS0lGvjhaHZ-h3T_KWQdivWM70PjtZZZPniKjPEwQ.js

HLDS0lGvjhaHZ-h3T_KWQdivWM70PjtZZZPniKjPEwQ.js

25 ms

webworker.js

webworker.js

59 ms

logo_48.png

logo_48.png

17 ms

pMzIT5TYEYf.css

pMzIT5TYEYf.css

73 ms

b92C3YAgZuc.js

b92C3YAgZuc.js

87 ms

o1ndYS2og_B.js

o1ndYS2og_B.js

113 ms

s23ZuKml3wQ.js

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116 ms

iFHo8-dDLN6.js

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120 ms

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115 ms

9f_Alkp5qWb.js

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113 ms

p55HfXW__mM.js

p55HfXW__mM.js

113 ms

recaptcha__en.js

recaptcha__en.js

85 ms

300210660_417964167069152_5682730699401769516_n.png

300210660_417964167069152_5682730699401769516_n.png

42 ms

299163430_417964170402485_8194627313247735971_n.png

299163430_417964170402485_8194627313247735971_n.png

42 ms

4zbXrX-Xkk8.js

4zbXrX-Xkk8.js

20 ms

UXtr_j2Fwe-.png

UXtr_j2Fwe-.png

17 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

20 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

24 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

28 ms

zrt_lookup.html

zrt_lookup.html

30 ms

ads

ads

557 ms

ads

ads

526 ms

ads

ads

165 ms

ca-pub-7237042584987257

ca-pub-7237042584987257

110 ms

2c467cbcaed741394c4076d97cdce7d0.js

2c467cbcaed741394c4076d97cdce7d0.js

18 ms

load_preloaded_resource.js

load_preloaded_resource.js

58 ms

ff6b8413ccec2e2686fe44d6d4a2e9d1.js

ff6b8413ccec2e2686fe44d6d4a2e9d1.js

4 ms

abg_lite.js

abg_lite.js

60 ms

window_focus.js

window_focus.js

172 ms

qs_click_protection.js

qs_click_protection.js

71 ms

ufs_web_display.js

ufs_web_display.js

49 ms

b8bba7bdb82ef259240353901c7e809d.js

b8bba7bdb82ef259240353901c7e809d.js

51 ms

s

s

7 ms

icon.png

icon.png

6 ms

css

css

38 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

6 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

6 ms

activeview

activeview

113 ms

bz2hCbE_6V8EgAHmR8QBpY7IEpeHtFZQj3SGg7GDAqk.js

bz2hCbE_6V8EgAHmR8QBpY7IEpeHtFZQj3SGg7GDAqk.js

12 ms

b_logo_xs.png

b_logo_xs.png

239 ms

Accessibility Review

treinbestuurder.be accessibility score

92

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.

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

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

treinbestuurder.be best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

treinbestuurder.be SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Treinbestuurder.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 Treinbestuurder.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

treinbestuurder.be

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