Tools & Wizards About Us
nmbs.be screenshot

Report Summary

  • 0

    Performance

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

nmbs.be

NMBS Officiële website | Koop je treinticket online

Page Load Speed

6.9 sec in total

First Response

279 ms

Resources Loaded

5.7 sec

Page Rendered

848 ms

nmbs.be screenshot

About Website

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

Met de NMBS routeplanner vind je de beste dienstregeling en het treinticket op maat. Koop je ticket snel online, waar en wanneer je maar wil. Vermijd wachtrijen en stress!

Visit nmbs.be

Key Findings

We analyzed Nmbs.be page load time and found that the first response time was 279 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

nmbs.be performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value2,880 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

nmbs.be

279 ms

www.nmbs.be

504 ms

nl

1050 ms

244 ms

443 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Nmbs.be, 92% (68 requests) were made to Belgianrail.be and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Belgianrail.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 981.5 kB (42%)

Content Size

2.3 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nmbs.be main page is 2.3 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. 25% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 197.3 kB

  • Original 233.4 kB
  • After minification 197.6 kB
  • After compression 36.1 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 35.8 kB, which is 15% 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 197.3 kB or 85% of the original size.

Image Optimization

-6%

Potential reduce by 73.4 kB

  • Original 1.2 MB
  • After minification 1.1 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. NMBS images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 482.0 kB

  • Original 663.4 kB
  • After minification 594.5 kB
  • After compression 181.4 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 482.0 kB or 73% of the original size.

CSS Optimization

-85%

Potential reduce by 228.8 kB

  • Original 270.1 kB
  • After minification 249.7 kB
  • After compression 41.3 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. Nmbs.be needs all CSS files to be minified and compressed as it can save up to 228.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (14%)

Requests Now

71

After Optimization

61

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NMBS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nmbs.be

nmbs.be

279 ms

www.nmbs.be

www.nmbs.be

504 ms

nl

nl

1050 ms

244 ms

443 ms

644 ms

VisitorIdentification.aspx

VisitorIdentification.aspx

178 ms

eny

eny

175 ms

WebResource.axd

WebResource.axd

402 ms

WebResource.axd

WebResource.axd

444 ms

js

js

25 ms

164 ms

ga.js

ga.js

5 ms

hafas_default_suggest.css

hafas_default_suggest.css

167 ms

FSuggest_v2.js

FSuggest_v2.js

493 ms

__utm.gif

__utm.gif

11 ms

seal_image.php

seal_image.php

51 ms

print-logo.gif

print-logo.gif

88 ms

sprite-menu.png

sprite-menu.png

245 ms

sprite-master-b.png

sprite-master-b.png

245 ms

NMBS-logo.ashx

NMBS-logo.ashx

330 ms

sprite-master-a.png

sprite-master-a.png

255 ms

sprite-forms.png

sprite-forms.png

325 ms

loading_blue_border.gif

loading_blue_border.gif

487 ms

rss-icon.png

rss-icon.png

407 ms

loading.gif

loading.gif

417 ms

800x533-wifi-a-bord-nl.ashx

800x533-wifi-a-bord-nl.ashx

785 ms

800x533-kids-recruitments-NL-treinbegeleider.ashx

800x533-kids-recruitments-NL-treinbegeleider.ashx

786 ms

Charleroi-Airport-800x533-nl.ashx

Charleroi-Airport-800x533-nl.ashx

873 ms

2015_bluebike_nl.ashx

2015_bluebike_nl.ashx

898 ms

800x533_new_tgv-spring_nl_v2.ashx

800x533_new_tgv-spring_nl_v2.ashx

833 ms

timetable_new.ashx

timetable_new.ashx

732 ms

WiFiTestZone-Thumbnail.ashx

WiFiTestZone-Thumbnail.ashx

984 ms

attention.ashx

attention.ashx

954 ms

timetable.ashx

timetable.ashx

1034 ms

dali-nl.ashx

dali-nl.ashx

1271 ms

trainworld-1.ashx

trainworld-1.ashx

1432 ms

320x220_NL.ashx

320x220_NL.ashx

1460 ms

Ticket-NL-02.ashx

Ticket-NL-02.ashx

1358 ms

werfinfo.ashx

werfinfo.ashx

1312 ms

0-home-page-banner-web-tv-NL.ashx

0-home-page-banner-web-tv-NL.ashx

1279 ms

70A0B0567A174C5A86AADE2CB09DBDD6.ashx

70A0B0567A174C5A86AADE2CB09DBDD6.ashx

1586 ms

timetables-iphone.ashx

timetables-iphone.ashx

1588 ms

twitter_nl.ashx

twitter_nl.ashx

1621 ms

pmr_tmb.ashx

pmr_tmb.ashx

1603 ms

5E0AA7F53C644448ADFE83ED5BAD9380.ashx

5E0AA7F53C644448ADFE83ED5BAD9380.ashx

1679 ms

36690CDAC6D547D487B38D4C03B5B776.ashx

36690CDAC6D547D487B38D4C03B5B776.ashx

1702 ms

3B4139C789824E6A8EB8B58B9E160B32.ashx

3B4139C789824E6A8EB8B58B9E160B32.ashx

2229 ms

5A5791B046B2435885B248198C7F8C33.ashx

5A5791B046B2435885B248198C7F8C33.ashx

1832 ms

B35E7E647B014E7CA9C7641E497A3C09.ashx

B35E7E647B014E7CA9C7641E497A3C09.ashx

1928 ms

footer-en-du-mobility.ashx

footer-en-du-mobility.ashx

1946 ms

sprite-flyout.png

sprite-flyout.png

1898 ms

blue-links-box-tl.png

blue-links-box-tl.png

1779 ms

HIM.aspx

HIM.aspx

1915 ms

blue-links-box-tr.png

blue-links-box-tr.png

2037 ms

sprite_ticker.png

sprite_ticker.png

1842 ms

blue-links-box-bottom.png

blue-links-box-bottom.png

1800 ms

sprite-tabs.png

sprite-tabs.png

1880 ms

header-gradient-bg.png

header-gradient-bg.png

2026 ms

sprite-btn.png

sprite-btn.png

2032 ms

mod-grey-stroke.png

mod-grey-stroke.png

1906 ms

slider-hp-time-table.png

slider-hp-time-table.png

2205 ms

pop-mod-bg.png

pop-mod-bg.png

1671 ms

sprite-logos.png

sprite-logos.png

1897 ms

sprite_splash_a.png

sprite_splash_a.png

1698 ms

shadow_bottom_list_right.png

shadow_bottom_list_right.png

1685 ms

sprite-shadows.png

sprite-shadows.png

1933 ms

footer-curve.png

footer-curve.png

1704 ms

mod-greyshadowed.gif

mod-greyshadowed.gif

1846 ms

bg-footer.gif

bg-footer.gif

1693 ms

ui-bg_highlight-soft_100_eeeeee_1x100.png

ui-bg_highlight-soft_100_eeeeee_1x100.png

1724 ms

bg-top.jpg

bg-top.jpg

1568 ms

bg-bottom.jpg

bg-bottom.jpg

2200 ms

print.css

print.css

84 ms

Accessibility Review

nmbs.be accessibility score

89

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

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

Form elements do not have associated labels

Best Practices

nmbs.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

High

Page has valid source maps

SEO Factors

nmbs.be SEO score

93

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 Nmbs.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 Nmbs.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

nmbs.be

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