Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

vechtsportschoolleiden.nl

詠春 Wing Chun Kung Fu Leiden. Dé Vechtsport Expert in Zelfverdediging.

Page Load Speed

1.4 sec in total

First Response

260 ms

Resources Loaded

894 ms

Page Rendered

256 ms

About Website

Visit vechtsportschoolleiden.nl now to see the best up-to-date Vechtsport School Leiden content and also check out these interesting facts you probably never knew about vechtsportschoolleiden.nl

詠春 Wing Chun Dé Expert in Zelfverdediging ✅ De Snelst Groeiende Vechtstijl ter Wereld ✅ Snel, Effectief, Efficient en zeer Logisch. ✅ Leer Sneller en Beter.

Visit vechtsportschoolleiden.nl

Key Findings

We analyzed Vechtsportschoolleiden.nl page load time and found that the first response time was 260 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

vechtsportschoolleiden.nl performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

vechtsportschoolleiden.nl

260 ms

vechtsportschoolleiden.nl

608 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Vechtsportschoolleiden.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (608 ms) belongs to the original domain Vechtsportschoolleiden.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (79%)

Content Size

1.8 MB

After Optimization

372.4 kB

In fact, the total size of Vechtsportschoolleiden.nl main page is 1.8 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. CSS take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 88.1 kB

  • Original 123.3 kB
  • After minification 123.2 kB
  • After compression 35.2 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 88.1 kB or 71% of the original size.

Image Optimization

-3%

Potential reduce by 1.6 kB

  • Original 47.6 kB
  • After minification 46.0 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. Vechtsport School Leiden images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 388.7 kB

  • Original 577.8 kB
  • After minification 569.4 kB
  • After compression 189.1 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 388.7 kB or 67% of the original size.

CSS Optimization

-90%

Potential reduce by 921.9 kB

  • Original 1.0 MB
  • After minification 967.4 kB
  • After compression 102.0 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. Vechtsportschoolleiden.nl needs all CSS files to be minified and compressed as it can save up to 921.9 kB or 90% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

vechtsportschoolleiden.nl accessibility score

95

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

Best Practices

vechtsportschoolleiden.nl best practices score

83

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

Low

Detected JavaScript libraries

SEO Factors

vechtsportschoolleiden.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 Vechtsportschoolleiden.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 Vechtsportschoolleiden.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 PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: