Tools & Wizards About Us
dbk.nl screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    48% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

dbk.nl

DBK | Masters in Online Business | Development & Marketing

Page Load Speed

5.2 sec in total

First Response

407 ms

Resources Loaded

3.5 sec

Page Rendered

1.2 sec

dbk.nl screenshot

About Website

Visit dbk.nl now to see the best up-to-date DBK content for Netherlands and also check out these interesting facts you probably never knew about dbk.nl

Ontwikkelen van (maatwerk)oplossingen. Web design & development. Online marketing. Gevestigd in Friesland ✓ Ervaren ✓ Innovatief ✓ Kwaliteit

Visit dbk.nl

Key Findings

We analyzed Dbk.nl page load time and found that the first response time was 407 ms and then it took 4.8 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

dbk.nl performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.215

58/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

dbk.nl

407 ms

dbk.nl

493 ms

A.style.min.css.pagespeed.cf.gLkW9J2ngS.css

92 ms

A.dbk-cookie-law.min.css,qv=2.2.4.pagespeed.cf.rgxlCxYDyL.css

182 ms

css2

31 ms

Our browser made a total of 140 requests to load all elements on the main page. We found that 76% of them (106 requests) were addressed to the original Dbk.nl, 4% (6 requests) were made to B.basemaps.cartocdn.com and 4% (6 requests) were made to C.basemaps.cartocdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Dbk.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.8 kB (1%)

Content Size

12.5 MB

After Optimization

12.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dbk.nl main page is 12.5 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 12.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 90.5 kB

  • Original 111.3 kB
  • After minification 106.5 kB
  • After compression 20.8 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 90.5 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 16.2 kB

  • Original 12.1 MB
  • After minification 12.1 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. DBK images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 13 B

  • Original 188.9 kB
  • After minification 188.9 kB
  • After compression 188.9 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 34 B

  • Original 64.6 kB
  • After minification 64.6 kB
  • After compression 64.6 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. Dbk.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (6%)

Requests Now

133

After Optimization

125

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 133 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DBK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dbk.nl

dbk.nl

407 ms

dbk.nl

dbk.nl

493 ms

A.style.min.css.pagespeed.cf.gLkW9J2ngS.css

A.style.min.css.pagespeed.cf.gLkW9J2ngS.css

92 ms

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A.dbk-cookie-law.min.css,qv=2.2.4.pagespeed.cf.rgxlCxYDyL.css

182 ms

css2

css2

31 ms

A.app.min.css,qv=1.2.0.1.pagespeed.cf.C0m730SwOL.css

A.app.min.css,qv=1.2.0.1.pagespeed.cf.C0m730SwOL.css

434 ms

dbk-cookie-law.min.js

dbk-cookie-law.min.js

262 ms

app.min.js

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626 ms

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43 ms

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871 ms

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113 ms

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266 ms

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266 ms

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353 ms

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353 ms

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853 ms

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454 ms

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713 ms

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544 ms

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726 ms

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762 ms

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801 ms

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817 ms

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853 ms

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882 ms

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889 ms

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1364 ms

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931 ms

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940 ms

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941 ms

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974 ms

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978 ms

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1107 ms

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1029 ms

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1066 ms

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1064 ms

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1117 ms

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1114 ms

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sdk.js

107 ms

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1131 ms

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1049 ms

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1083 ms

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37 ms

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116 ms

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153 ms

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153 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1091 ms

sdk.js

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6 ms

93 ms

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984 ms

4

4

1124 ms

get-availability

get-availability

1081 ms

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logo-can-barda-slogan.svg

930 ms

logo-medprevent.svg

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938 ms

logo-flagship-amsterdam-orange.svg

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840 ms

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824 ms

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705 ms

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668 ms

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714 ms

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692 ms

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667 ms

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664 ms

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649 ms

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632 ms

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679 ms

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692 ms

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660 ms

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663 ms

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622 ms

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624 ms

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658 ms

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611 ms

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586 ms

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611 ms

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609 ms

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575 ms

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533 ms

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539 ms

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533 ms

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531 ms

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530 ms

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527 ms

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534 ms

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527 ms

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533 ms

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533 ms

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535 ms

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527 ms

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538 ms

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roel-stolvoort-500x500.jpg.pagespeed.ce.RYSq007tmk.jpg

527 ms

kelvin-kuiper-500x500.jpg.pagespeed.ce.uMyJx4M2Il.jpg

kelvin-kuiper-500x500.jpg.pagespeed.ce.uMyJx4M2Il.jpg

530 ms

xteam10.jpg.pagespeed.ic.XjxmMOsCxv.jpg

xteam10.jpg.pagespeed.ic.XjxmMOsCxv.jpg

532 ms

xbg-pattern-white-light.png.pagespeed.ic.QM8m9OAXYc.png

xbg-pattern-white-light.png.pagespeed.ic.QM8m9OAXYc.png

531 ms

logo-dbk.svg

logo-dbk.svg

532 ms

Accessibility Review

dbk.nl accessibility score

82

Accessibility Issues

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

[role]s are not contained by their required parent element

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.

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

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

dbk.nl 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

Missing source maps for large first-party JavaScript

SEO Factors

dbk.nl 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 Dbk.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 Dbk.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

dbk.nl

Open Graph data is detected on the main page of DBK. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: