Tools & Wizards About Us
dnb.nl screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 96

    SEO

    Google-friendlier than
    91% of websites

dnb.nl

De Nederlandsche Bank – de centrale bank van Nederland

Page Load Speed

5.6 sec in total

First Response

810 ms

Resources Loaded

2 sec

Page Rendered

2.7 sec

dnb.nl screenshot

About Website

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

DNB zet zich in voor een stabiel financieel stelsel: stabiele prijzen, solide financiële instellingen en een goed werkend betalingsverkeer. Lees meer.

Visit dnb.nl

Key Findings

We analyzed Dnb.nl page load time and found that the first response time was 810 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

dnb.nl performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

www.dnb.nl

810 ms

DependencyHandler.axd

90 ms

jquery-3.0.0.min.js

212 ms

webReader.js

37 ms

DependencyHandler.axd

199 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 87% of them (34 requests) were addressed to the original Dnb.nl, 3% (1 request) were made to Code.jquery.com and 3% (1 request) were made to Cdn.datatables.net. The less responsive or slowest element that took the longest time to load (810 ms) belongs to the original domain Dnb.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 249.3 kB (20%)

Content Size

1.2 MB

After Optimization

976.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dnb.nl main page is 1.2 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 869.9 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 134.5 kB

  • Original 152.8 kB
  • After minification 95.5 kB
  • After compression 18.3 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 57.3 kB, which is 37% 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 134.5 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 15.7 kB

  • Original 869.9 kB
  • After minification 854.3 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. Dnb images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 37.9 kB

  • Original 56.0 kB
  • After minification 56.0 kB
  • After compression 18.1 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 37.9 kB or 68% of the original size.

CSS Optimization

-42%

Potential reduce by 61.3 kB

  • Original 147.5 kB
  • After minification 147.5 kB
  • After compression 86.3 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. Dnb.nl needs all CSS files to be minified and compressed as it can save up to 61.3 kB or 42% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (13%)

Requests Now

30

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dnb. 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

www.dnb.nl

www.dnb.nl

810 ms

DependencyHandler.axd

DependencyHandler.axd

90 ms

jquery-3.0.0.min.js

jquery-3.0.0.min.js

212 ms

webReader.js

webReader.js

37 ms

DependencyHandler.axd

DependencyHandler.axd

199 ms

jquery.dataTables.min.js

jquery.dataTables.min.js

316 ms

ReadSpeaker.Styles-Button.css

ReadSpeaker.Styles-Button.css

71 ms

chrome.png

chrome.png

94 ms

firefox.png

firefox.png

308 ms

safari.png

safari.png

309 ms

edge.png

edge.png

308 ms

dnb-logo-mobiel.svg

dnb-logo-mobiel.svg

373 ms

dnb-logo-desktop.svg

dnb-logo-desktop.svg

369 ms

icon-phone-blue.svg

icon-phone-blue.svg

371 ms

icon-sharing-blue.svg

icon-sharing-blue.svg

381 ms

werkende-zonder-pensioen-stock-453771101.jpg

werkende-zonder-pensioen-stock-453771101.jpg

380 ms

zes-vragen-inflatiebestrijding-markt-rotterdam.jpg

zes-vragen-inflatiebestrijding-markt-rotterdam.jpg

415 ms

shutterstock-precisie-instrument.jpg

shutterstock-precisie-instrument.jpg

413 ms

232_registraties.png

232_registraties.png

400 ms

244_man-met-bril.png

244_man-met-bril.png

401 ms

17_pagina.png

17_pagina.png

401 ms

04_email_wisseling.png

04_email_wisseling.png

400 ms

61_huis-met-euroteken.svg

61_huis-met-euroteken.svg

421 ms

64_boek-beleid.png

64_boek-beleid.png

421 ms

anp-klaas-keti-koti.jpg

anp-klaas-keti-koti.jpg

465 ms

2019-01-23-olaf-sleijpen-dnb-mariekebijster_tcm46-299075.jpeg

2019-01-23-olaf-sleijpen-dnb-mariekebijster_tcm46-299075.jpeg

437 ms

bankbiljet.jpg

bankbiljet.jpg

423 ms

reportOnly

reportOnly

352 ms

siteanalyze_6034822.js

siteanalyze_6034822.js

373 ms

bg-wave.svg

bg-wave.svg

449 ms

dnb-logo-desktop.svg

dnb-logo-desktop.svg

383 ms

DNBFedra-Book.woff

DNBFedra-Book.woff

128 ms

DNBFedra-Light.woff

DNBFedra-Light.woff

194 ms

DNBFedra-Medium.woff

DNBFedra-Medium.woff

123 ms

dnbfedra-medium.woff

dnbfedra-medium.woff

27 ms

dnbfedra-book.woff

dnbfedra-book.woff

58 ms

bg-wave.svg

bg-wave.svg

254 ms

dnbfedra-light.woff

dnbfedra-light.woff

92 ms

image.aspx

image.aspx

68 ms

Accessibility Review

dnb.nl accessibility score

77

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

[aria-*] attributes do not match their roles

High

[aria-*] attributes do not have valid values

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Best Practices

dnb.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

SEO Factors

dnb.nl SEO score

96

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

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 Dnb.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 Dnb.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

dnb.nl

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