Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

vantulder.net

Gijs van Tulder | Machine learning for medical image analysis

Page Load Speed

490 ms in total

First Response

32 ms

Resources Loaded

303 ms

Page Rendered

155 ms

About Website

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

Gijs van Tulder is a scientific researcher in machine learning for medical image analysis from the Netherlands.

Visit vantulder.net

Key Findings

We analyzed Vantulder.net page load time and found that the first response time was 32 ms and then it took 458 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

vantulder.net performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

vantulder.net

32 ms

www.vantulder.net

99 ms

foto-140px.jpg

150 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Vantulder.net and no external sources were called. The less responsive or slowest element that took the longest time to load (150 ms) belongs to the original domain Vantulder.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.8 kB (45%)

Content Size

33.2 kB

After Optimization

18.4 kB

In fact, the total size of Vantulder.net main page is 33.2 kB. 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. HTML takes 19.8 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 14.8 kB

  • Original 19.8 kB
  • After minification 17.2 kB
  • After compression 5.0 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 2.7 kB, which is 13% 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 14.8 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 13.4 kB
  • After minification 13.4 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 Tulder images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Van Tulder. According to our analytics all requests are already optimized.

Accessibility Review

vantulder.net accessibility score

100

Accessibility Issues

Best Practices

vantulder.net 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

SEO Factors

vantulder.net SEO score

93

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vantulder.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Vantulder.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 data is detected on the main page of Van Tulder. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: