Tools & Wizards About Us
belastingkamer.nl screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

belastingkamer.nl

Belastingaangifte 2023 - De Belastingkamer weet raad

Page Load Speed

2.2 sec in total

First Response

264 ms

Resources Loaded

1.9 sec

Page Rendered

82 ms

belastingkamer.nl screenshot

About Website

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

Weet u ook nooit zeker of u uw belastingaangifte wel helemaal goed heeft ingevuld? De Belastingkamer helpt u graag.

Visit belastingkamer.nl

Key Findings

We analyzed Belastingkamer.nl page load time and found that the first response time was 264 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

belastingkamer.nl performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

belastingkamer.nl

264 ms

belastingkamer.nl

475 ms

style.css

118 ms

ddmenu-topbar.css

231 ms

ddmenu-base.css

340 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 81% of them (17 requests) were addressed to the original Belastingkamer.nl, 10% (2 requests) were made to Fonts.gstatic.com and 5% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (549 ms) belongs to the original domain Belastingkamer.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.4 kB (31%)

Content Size

96.2 kB

After Optimization

66.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Belastingkamer.nl main page is 96.2 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. 15% of websites need less resources to load. Images take 60.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 8.5 kB

  • Original 11.0 kB
  • After minification 9.3 kB
  • After compression 2.5 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 1.7 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 8.5 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 1.2 kB

  • Original 60.0 kB
  • After minification 58.8 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. Belastingkamer images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 15.0 kB

  • Original 18.6 kB
  • After minification 13.3 kB
  • After compression 3.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 15.0 kB or 81% of the original size.

CSS Optimization

-71%

Potential reduce by 4.7 kB

  • Original 6.7 kB
  • After minification 4.9 kB
  • After compression 2.0 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. Belastingkamer.nl needs all CSS files to be minified and compressed as it can save up to 4.7 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (24%)

Requests Now

17

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Belastingkamer. 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 CSS and as a result speed up the page load time.

Network Requests Diagram

belastingkamer.nl

belastingkamer.nl

264 ms

belastingkamer.nl

belastingkamer.nl

475 ms

style.css

style.css

118 ms

ddmenu-topbar.css

ddmenu-topbar.css

231 ms

ddmenu-base.css

ddmenu-base.css

340 ms

ddmenu-sidebar.css

ddmenu-sidebar.css

446 ms

dd-menu.js

dd-menu.js

549 ms

js

js

60 ms

css

css

38 ms

logo-de-belastingkamer.jpg

logo-de-belastingkamer.jpg

122 ms

maak-afspraak.jpg

maak-afspraak.jpg

121 ms

bel-mij-terug.jpg

bel-mij-terug.jpg

123 ms

telnr.jpg

telnr.jpg

123 ms

arrow.jpg

arrow.jpg

121 ms

belastingkamer.jpg

belastingkamer.jpg

238 ms

twitter.png

twitter.png

237 ms

facebook.png

facebook.png

238 ms

winnaar-bedrijven-award-2012.png

winnaar-bedrijven-award-2012.png

239 ms

blank.htm

blank.htm

525 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

21 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYA.ttf

25 ms

Accessibility Review

belastingkamer.nl accessibility score

76

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.

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

<frame> or <iframe> elements do not have a title

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

belastingkamer.nl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

belastingkamer.nl SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Belastingkamer.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Belastingkamer.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

belastingkamer.nl

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