Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

sportzorg.nl

Blessure opgelopen? Bij Sportzorg.nl ben je op het juiste adres. | Sportzorg

Page Load Speed

4.2 sec in total

First Response

846 ms

Resources Loaded

3.1 sec

Page Rendered

271 ms

sportzorg.nl screenshot

About Website

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

Sportzorg.nl is de onafhankelijke website als je meer wilt weten over blessures, voeding, psychologie, sportkeuringen en chronische aandoeningen.

Visit sportzorg.nl

Key Findings

We analyzed Sportzorg.nl page load time and found that the first response time was 846 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

sportzorg.nl performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.395

26/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

www.sportzorg.nl

846 ms

core_98dfb1ca730916fdc345f7465cb13926.css

201 ms

default_f13244e62871cc95869694fa81de12b4.css

189 ms

default_c9e520283b024d21930ca46027acf210.css

213 ms

core_80b4307f8e79eead9722a260b3e310c4.js

559 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 42% of them (37 requests) were addressed to the original Sportzorg.nl, 12% (11 requests) were made to Static.xx.fbcdn.net and 9% (8 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (846 ms) belongs to the original domain Sportzorg.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 844.7 kB (59%)

Content Size

1.4 MB

After Optimization

585.6 kB

In fact, the total size of Sportzorg.nl main page is 1.4 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. 60% of websites need less resources to load. Javascripts take 884.8 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 60.9 kB

  • Original 86.2 kB
  • After minification 84.9 kB
  • After compression 25.3 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. 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 60.9 kB or 71% of the original size.

Image Optimization

-5%

Potential reduce by 12.7 kB

  • Original 259.0 kB
  • After minification 246.3 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. Sportzorg images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 603.6 kB

  • Original 884.8 kB
  • After minification 876.9 kB
  • After compression 281.2 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 603.6 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 167.6 kB

  • Original 200.3 kB
  • After minification 190.0 kB
  • After compression 32.7 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. Sportzorg.nl needs all CSS files to be minified and compressed as it can save up to 167.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (42%)

Requests Now

86

After Optimization

50

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sportzorg. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sportzorg.nl accessibility score

91

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

Image elements do not have [alt] attributes

Best Practices

sportzorg.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

Page has valid source maps

SEO Factors

sportzorg.nl SEO score

89

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sportzorg.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 Sportzorg.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 description is not detected on the main page of Sportzorg. 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: