Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

vancooten.net

Karel van Cooten Produkties BV

Page Load Speed

1.1 sec in total

First Response

292 ms

Resources Loaded

684 ms

Page Rendered

113 ms

vancooten.net screenshot

About Website

Visit vancooten.net now to see the best up-to-date Van Cooten content and also check out these interesting facts you probably never knew about vancooten.net

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Key Findings

We analyzed Vancooten.net page load time and found that the first response time was 292 ms and then it took 797 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

vancooten.net performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

vancooten.net

292 ms

styles.css

85 ms

jquery-2.1.0.min.js

275 ms

news.css

87 ms

audiovisuals.css

168 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Vancooten.net and no external sources were called. The less responsive or slowest element that took the longest time to load (292 ms) belongs to the original domain Vancooten.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.1 kB (58%)

Content Size

107.2 kB

After Optimization

45.1 kB

In fact, the total size of Vancooten.net main page is 107.2 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. Only 10% of websites need less resources to load. Javascripts take 83.6 kB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 1.6 kB

  • Original 2.8 kB
  • After minification 2.8 kB
  • After compression 1.3 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 1.6 kB or 55% of the original size.

Image Optimization

-8%

Potential reduce by 1.1 kB

  • Original 13.3 kB
  • After minification 12.2 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. Van Cooten images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 54.1 kB

  • Original 83.6 kB
  • After minification 83.6 kB
  • After compression 29.5 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 54.1 kB or 65% of the original size.

CSS Optimization

-71%

Potential reduce by 5.3 kB

  • Original 7.4 kB
  • After minification 5.3 kB
  • After compression 2.1 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. Vancooten.net needs all CSS files to be minified and compressed as it can save up to 5.3 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (40%)

Requests Now

10

After Optimization

6

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Van Cooten. 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.

Accessibility Review

vancooten.net accessibility score

84

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

vancooten.net best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

vancooten.net SEO score

92

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vancooten.net can be misinterpreted by Google and other search engines. Our service has detected that English 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 Vancooten.net 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 Van Cooten. 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: