Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

vanbon-sport.nl

vanbon-sport | wielrennen - MTB - baan | vertrouw op professionals

Page Load Speed

5.1 sec in total

First Response

879 ms

Resources Loaded

3.2 sec

Page Rendered

952 ms

vanbon-sport.nl screenshot

About Website

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

Koop al je fietsonderdelen en fietsaccessoires online bij vanbon-sport: Professionals in wielrennen, mountainbiken (MTB), trekking en baanwielrennen

Visit vanbon-sport.nl

Key Findings

We analyzed Vanbon-sport.nl page load time and found that the first response time was 879 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

vanbon-sport.nl performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.99

2/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

www.vanbon-sport.nl

879 ms

default.css

456 ms

home.css

369 ms

mootools.js

464 ms

library.js

298 ms

Our browser made a total of 165 requests to load all elements on the main page. We found that 75% of them (124 requests) were addressed to the original Vanbon-sport.nl, 7% (12 requests) were made to Maps.googleapis.com and 4% (6 requests) were made to W.sharethis.com. The less responsive or slowest element that took the longest time to load (879 ms) belongs to the original domain Vanbon-sport.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 979.2 kB (55%)

Content Size

1.8 MB

After Optimization

804.5 kB

In fact, the total size of Vanbon-sport.nl main page is 1.8 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. 55% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 133.9 kB

  • Original 158.9 kB
  • After minification 123.3 kB
  • After compression 25.0 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 35.6 kB, which is 22% 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 133.9 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 36.7 kB

  • Original 492.6 kB
  • After minification 455.9 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. Vanbon Sport images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 749.3 kB

  • Original 1.1 MB
  • After minification 1.0 MB
  • After compression 313.2 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 749.3 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 59.3 kB

  • Original 69.8 kB
  • After minification 59.6 kB
  • After compression 10.5 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. Vanbon-sport.nl needs all CSS files to be minified and compressed as it can save up to 59.3 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (32%)

Requests Now

163

After Optimization

111

The browser has sent 163 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vanbon 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 28 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vanbon-sport.nl accessibility score

84

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

vanbon-sport.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

vanbon-sport.nl SEO score

99

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vanbon-sport.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 Vanbon-sport.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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