Report Summary

  • 21

    Performance

    Renders faster than
    38% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

stichtingkankerensport.nl

Stichting Tegenkracht biedt sinds 2006 sport- en programma’s aan

Page Load Speed

6.7 sec in total

First Response

1.8 sec

Resources Loaded

4.4 sec

Page Rendered

540 ms

stichtingkankerensport.nl screenshot

About Website

Click here to check amazing Stichting Kanker En Sport content. Otherwise, check out these important facts you probably never knew about stichtingkankerensport.nl

Stichting Tegenkracht biedt sinds 2006 sport- en beweegprogramma’s aan, voorafgaand, tijdens en/of na de behandeling van kanker.

Visit stichtingkankerensport.nl

Key Findings

We analyzed Stichtingkankerensport.nl page load time and found that the first response time was 1.8 sec and then it took 4.9 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

stichtingkankerensport.nl performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value1,530 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.104

89/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

www.tegenkracht.nl

1821 ms

wp-emoji-release.min.js

147 ms

main.css

170 ms

styles.css

168 ms

go_pricing_styles.css

183 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Stichtingkankerensport.nl, 23% (20 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Tegenkracht.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (51%)

Content Size

3.6 MB

After Optimization

1.8 MB

In fact, the total size of Stichtingkankerensport.nl main page is 3.6 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 134.3 kB

  • Original 166.1 kB
  • After minification 157.4 kB
  • After compression 31.8 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 134.3 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 47.0 kB

  • Original 1.1 MB
  • After minification 1.1 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. Stichting Kanker En Sport images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 916.1 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 414.5 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 916.1 kB or 69% of the original size.

CSS Optimization

-78%

Potential reduce by 749.3 kB

  • Original 965.6 kB
  • After minification 918.8 kB
  • After compression 216.3 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. Stichtingkankerensport.nl needs all CSS files to be minified and compressed as it can save up to 749.3 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (59%)

Requests Now

61

After Optimization

25

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stichting Kanker En Sport. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

stichtingkankerensport.nl accessibility score

77

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

Heading elements are not in a sequentially-descending order

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

stichtingkankerensport.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

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

stichtingkankerensport.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 Stichtingkankerensport.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 Stichtingkankerensport.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

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