Tools & Wizards About Us
thalys.nl screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

thalys.nl

Treintickets - Parijs, Brussel, Amsterdam, Keulen | Thalys

Page Load Speed

3.4 sec in total

First Response

49 ms

Resources Loaded

2.7 sec

Page Rendered

697 ms

thalys.nl screenshot

About Website

Click here to check amazing Thalys content. Otherwise, check out these important facts you probably never knew about thalys.nl

Reserveer uw treintickets naar Parijs, Brussel, Amsterdam en Keulen rechtstreeks via Thalys.com en profiteer van de beste tarieven!

Visit thalys.nl

Key Findings

We analyzed Thalys.nl page load time and found that the first response time was 49 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

thalys.nl performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value5,610 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.09

92/100

15%

TTI (Time to Interactive)

Value22.3 s

1/100

10%

Network Requests Diagram

nl-nl

49 ms

dt-kTerm2DxYUCBpGda8ntcArikRxTAWJ

166 ms

polyfills-c67a75d1b6f99dc8.js

1297 ms

webpack-19048c3bd7796ab7.js

18 ms

framework-66d32731bdd20e83.js

19 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Thalys.nl, 19% (15 requests) were made to Eurostar.com and 12% (10 requests) were made to Cdn.sanity.io. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Eurostar.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 492.0 kB (51%)

Content Size

958.6 kB

After Optimization

466.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Thalys.nl main page is 958.6 kB. 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. HTML takes 516.9 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 436.9 kB

  • Original 516.9 kB
  • After minification 516.7 kB
  • After compression 80.0 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 436.9 kB or 85% of the original size.

Image Optimization

-15%

Potential reduce by 55.1 kB

  • Original 367.4 kB
  • After minification 312.4 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, Thalys needs image optimization as it can save up to 55.1 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 74.3 kB
  • After minification 74.3 kB
  • After compression 74.3 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.

Requests Breakdown

Number of requests can be reduced by 33 (41%)

Requests Now

80

After Optimization

47

  • Images
  • JavaScript

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thalys. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

nl-nl

nl-nl

49 ms

dt-kTerm2DxYUCBpGda8ntcArikRxTAWJ

dt-kTerm2DxYUCBpGda8ntcArikRxTAWJ

166 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

1297 ms

webpack-19048c3bd7796ab7.js

webpack-19048c3bd7796ab7.js

18 ms

framework-66d32731bdd20e83.js

framework-66d32731bdd20e83.js

19 ms

main-47efc43aa9f4c3c8.js

main-47efc43aa9f4c3c8.js

19 ms

_app-8c6cd09b30301aba.js

_app-8c6cd09b30301aba.js

32 ms

942-dc7cad794d10b20c.js

942-dc7cad794d10b20c.js

17 ms

803-7624c3f5c9da9120.js

803-7624c3f5c9da9120.js

24 ms

364-38fbc7522c5a2461.js

364-38fbc7522c5a2461.js

24 ms

406-67e88f7461591081.js

406-67e88f7461591081.js

26 ms

526-70f7ba1c0e6e4478.js

526-70f7ba1c0e6e4478.js

23 ms

929-7c065aa47aff9824.js

929-7c065aa47aff9824.js

31 ms

homepage-271e306021974fb7.js

homepage-271e306021974fb7.js

31 ms

_buildManifest.js

_buildManifest.js

29 ms

_ssgManifest.js

_ssgManifest.js

32 ms

utag.js

utag.js

1196 ms

arrowInCircleRightFilled.svg

arrowInCircleRightFilled.svg

1198 ms

9949a35402269b4bf570c44930bd81f6543ddbe3-2121x1414.jpg

9949a35402269b4bf570c44930bd81f6543ddbe3-2121x1414.jpg

1285 ms

eurostarLight.svg

eurostarLight.svg

205 ms

help.svg

help.svg

206 ms

flagNlCircle.svg

flagNlCircle.svg

216 ms

flagUkCircle.svg

flagUkCircle.svg

208 ms

flagFrCircle.svg

flagFrCircle.svg

217 ms

flagUsCircle.svg

flagUsCircle.svg

216 ms

flagNlCircle.svg

flagNlCircle.svg

213 ms

flagBeCircle.svg

flagBeCircle.svg

214 ms

flagDeCircle.svg

flagDeCircle.svg

212 ms

flagRwCircle.svg

flagRwCircle.svg

228 ms

userOutlined.svg

userOutlined.svg

226 ms

joinClubEurostarCollectPointsDarkTwoTone.svg

joinClubEurostarCollectPointsDarkTwoTone.svg

220 ms

joinClubEurostarRedeemPointsDarkTwoTone.svg

joinClubEurostarRedeemPointsDarkTwoTone.svg

222 ms

joinClubEurostarDiscountsDarkTwoTone.svg

joinClubEurostarDiscountsDarkTwoTone.svg

219 ms

joinClubEurostarViewAllBookingsDarkTwoTone.svg

joinClubEurostarViewAllBookingsDarkTwoTone.svg

223 ms

joinClubEurostarSaveDetailsDarkTwoTone.svg

joinClubEurostarSaveDetailsDarkTwoTone.svg

226 ms

flagNlCircle.svg

flagNlCircle.svg

231 ms

train2Filled.svg

train2Filled.svg

229 ms

chevronSmallUp.svg

chevronSmallUp.svg

233 ms

hotelFilled.svg

hotelFilled.svg

228 ms

chevronSmallDown.svg

chevronSmallDown.svg

231 ms

horizontalSwap.svg

horizontalSwap.svg

232 ms

calendar.svg

calendar.svg

245 ms

chevronDown.svg

chevronDown.svg

236 ms

train.svg

train.svg

237 ms

tickets.svg

tickets.svg

238 ms

groups.svg

groups.svg

234 ms

clock.svg

clock.svg

235 ms

chevronRight.svg

chevronRight.svg

239 ms

heroSpark.svg

heroSpark.svg

257 ms

arrowLeft.svg

arrowLeft.svg

240 ms

arrowRight.svg

arrowRight.svg

245 ms

cardFrameIcon.svg

cardFrameIcon.svg

241 ms

locationLightTwoTone.svg

locationLightTwoTone.svg

242 ms

outboundLightTwoTone.svg

outboundLightTwoTone.svg

244 ms

dc479deaf0b558224fb524f3a2c259a9ec98ca04-2121x1414.jpg

dc479deaf0b558224fb524f3a2c259a9ec98ca04-2121x1414.jpg

302 ms

17323af42ad4d2e897edc7391b89deb18ef404b9-4960x3508.jpg

17323af42ad4d2e897edc7391b89deb18ef404b9-4960x3508.jpg

326 ms

cb2210fefb2af77d37ac189372f256411e70f159-2119x1414.jpg

cb2210fefb2af77d37ac189372f256411e70f159-2119x1414.jpg

296 ms

5031ab26128bdc7bffcdde723e9c5e20e65974ae-8000x5333.jpg

5031ab26128bdc7bffcdde723e9c5e20e65974ae-8000x5333.jpg

294 ms

2ee858fa4e52ecada258fb1fc000bda6e643c114-8000x5333.jpg

2ee858fa4e52ecada258fb1fc000bda6e643c114-8000x5333.jpg

401 ms

d2011ec8b597baab3b5cb67d9699c14fc4b7de54-8256x5504.jpg

d2011ec8b597baab3b5cb67d9699c14fc4b7de54-8256x5504.jpg

383 ms

457d4f4bf4fdae90c3b7dc565986c4d85ff78b7b-1663x1109.png

457d4f4bf4fdae90c3b7dc565986c4d85ff78b7b-1663x1109.png

878 ms

a2a123304bfd55c30c08819f93018b81585957f9-5906x5906.jpg

a2a123304bfd55c30c08819f93018b81585957f9-5906x5906.jpg

396 ms

76f88dafb83ec6b0321cf73ebca08274521a15bc-9996x6539.jpg

76f88dafb83ec6b0321cf73ebca08274521a15bc-9996x6539.jpg

418 ms

cafeLightTwoTone.svg

cafeLightTwoTone.svg

57 ms

seatLightTwoTone.svg

seatLightTwoTone.svg

47 ms

mealLightTwoTone.svg

mealLightTwoTone.svg

52 ms

ticketsLightTwoTone.svg

ticketsLightTwoTone.svg

46 ms

trainDarkTwoTone.svg

trainDarkTwoTone.svg

42 ms

emailDarkTwoTone.svg

emailDarkTwoTone.svg

38 ms

wheelchairDarkTwoTone.svg

wheelchairDarkTwoTone.svg

45 ms

phoneDarkTwoTone.svg

phoneDarkTwoTone.svg

40 ms

chevronBrandedDown.svg

chevronBrandedDown.svg

40 ms

sparkPattern.png

sparkPattern.png

48 ms

facebook.svg

facebook.svg

42 ms

instagram.svg

instagram.svg

38 ms

linkedin.svg

linkedin.svg

39 ms

twitter.svg

twitter.svg

41 ms

youtube.svg

youtube.svg

37 ms

mail.svg

mail.svg

40 ms

apple-store-nl.svg

apple-store-nl.svg

40 ms

google-play-nl.svg

google-play-nl.svg

40 ms

Accessibility Review

thalys.nl accessibility score

96

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

Some elements have a [tabindex] value greater than 0

Best Practices

thalys.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

thalys.nl SEO score

100

Search Engine Optimization Advices

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 Thalys.nl 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 Thalys.nl 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

thalys.nl

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