Tools & Wizards About Us
ntk.nl screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ntk.nl

NTK | 0900-9203 (€ 0,45 pm)

Page Load Speed

6.9 sec in total

First Response

344 ms

Resources Loaded

4.6 sec

Page Rendered

2 sec

ntk.nl screenshot

About Website

Welcome to ntk.nl homepage info - get ready to check NTK best content for Netherlands right away, or after learning these important things about ntk.nl

Bij NTK vind je snel je tickets voor theater, musical, cabaret, dans, jeugd en klassiek.

Visit ntk.nl

Key Findings

We analyzed Ntk.nl page load time and found that the first response time was 344 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

ntk.nl performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.15

76/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

Network Requests Diagram

ntk.nl

344 ms

www.ntk.nl

478 ms

app-ae434c2bd6a2afb72f73ad78577ab375.css

83 ms

css

43 ms

tp.widget.bootstrap.min.js

23 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 27% of them (11 requests) were addressed to the original Ntk.nl, 51% (21 requests) were made to Cdn.ntk.nl and 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source Cdn.ntk.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 158.3 kB (8%)

Content Size

1.9 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ntk.nl main page is 1.9 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. 30% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 136.3 kB

  • Original 163.9 kB
  • After minification 160.0 kB
  • After compression 27.6 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. 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 136.3 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 17.1 kB

  • Original 1.7 MB
  • After minification 1.7 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. NTK images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 1.4 kB

  • Original 54.0 kB
  • After minification 53.2 kB
  • After compression 52.6 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

-40%

Potential reduce by 3.6 kB

  • Original 8.9 kB
  • After minification 8.9 kB
  • After compression 5.3 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. Ntk.nl needs all CSS files to be minified and compressed as it can save up to 3.6 kB or 40% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (28%)

Requests Now

36

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NTK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ntk.nl

ntk.nl

344 ms

www.ntk.nl

www.ntk.nl

478 ms

app-ae434c2bd6a2afb72f73ad78577ab375.css

app-ae434c2bd6a2afb72f73ad78577ab375.css

83 ms

css

css

43 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

23 ms

app-0d36cdd0b67aa509413751967e0cd689.js

app-0d36cdd0b67aa509413751967e0cd689.js

285 ms

gtm.js

gtm.js

76 ms

1011 ms

ntk-pattern-red-6c31716692d672d7becf92ca2bccb41b.svg

ntk-pattern-red-6c31716692d672d7becf92ca2bccb41b.svg

285 ms

ntk-pattern-gray-ddcd9a984ab6dcf7dc8b6c9164e59eba.svg

ntk-pattern-gray-ddcd9a984ab6dcf7dc8b6c9164e59eba.svg

293 ms

weetwaarjekoopt-81121223726ff250cc32d9fd6b362cc6.png

weetwaarjekoopt-81121223726ff250cc32d9fd6b362cc6.png

438 ms

nkcc-0e8ff6af54b093a83c36bd825fcd43ee.png

nkcc-0e8ff6af54b093a83c36bd825fcd43ee.png

293 ms

pck-5d7c33ba80b853272ea0bebdcc40c2f7.png

pck-5d7c33ba80b853272ea0bebdcc40c2f7.png

304 ms

vvv_giftcard-372ffb69a82282a1527b639f9c7e0e6d.png

vvv_giftcard-372ffb69a82282a1527b639f9c7e0e6d.png

376 ms

1374 ms

1936 ms

1665 ms

1832 ms

1774 ms

1439 ms

2284 ms

2106 ms

2223 ms

2291 ms

2461 ms

2446 ms

2720 ms

2709 ms

2763 ms

3119 ms

3183 ms

2667 ms

3147 ms

3443 ms

3AB2FF_0_0-1f2917d718adb49816776e881c3951ce.woff

3AB2FF_0_0-1f2917d718adb49816776e881c3951ce.woff

531 ms

landing

landing

176 ms

js

js

72 ms

pluginjs

pluginjs

336 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvoorCIPrQ.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvoorCIPrQ.ttf

113 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVtapbCIPrQ.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVtapbCIPrQ.ttf

122 ms

basket

basket

78 ms

Accessibility Review

ntk.nl accessibility score

82

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

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

Best Practices

ntk.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Page has valid source maps

SEO Factors

ntk.nl SEO score

83

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

    NL

  • Encoding

    UTF-8

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

ntk.nl

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