Tools & Wizards About Us
vanderkrogt.net screenshot

Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

vanderkrogt.net

vanderkrogt.net

Page Load Speed

1.5 sec in total

First Response

316 ms

Resources Loaded

946 ms

Page Rendered

202 ms

vanderkrogt.net screenshot

About Website

Visit vanderkrogt.net now to see the best up-to-date Vanderkrogt content for Germany and also check out these interesting facts you probably never knew about vanderkrogt.net

Visit vanderkrogt.net

Key Findings

We analyzed Vanderkrogt.net page load time and found that the first response time was 316 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

vanderkrogt.net performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

92/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value3.8 s

90/100

10%

Network Requests Diagram

vanderkrogt.net

316 ms

paper10.jpg

296 ms

wapen-kl.gif

375 ms

8.jpg

471 ms

TN_Amsterdam_Wilhelmina_IMGP4322.jpg

466 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Vanderkrogt.net and no external sources were called. The less responsive or slowest element that took the longest time to load (631 ms) belongs to the original domain Vanderkrogt.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.8 kB (24%)

Content Size

24.0 kB

After Optimization

18.3 kB

  • HTML
  • Images

In fact, the total size of Vanderkrogt.net main page is 24.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 17.9 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 4.5 kB

  • Original 6.1 kB
  • After minification 6.1 kB
  • After compression 1.6 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 4.5 kB or 73% of the original size.

Image Optimization

-7%

Potential reduce by 1.3 kB

  • Original 17.9 kB
  • After minification 16.6 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. Vanderkrogt images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vanderkrogt. According to our analytics all requests are already optimized.

Network Requests Diagram

vanderkrogt.net

vanderkrogt.net

316 ms

paper10.jpg

paper10.jpg

296 ms

wapen-kl.gif

wapen-kl.gif

375 ms

8.jpg

8.jpg

471 ms

TN_Amsterdam_Wilhelmina_IMGP4322.jpg

TN_Amsterdam_Wilhelmina_IMGP4322.jpg

466 ms

oostpoort.jpg

oostpoort.jpg

466 ms

periodic_table.gif

periodic_table.gif

464 ms

pr_30e694.jpg

pr_30e694.jpg

476 ms

wv_1p1979.jpg

wv_1p1979.jpg

478 ms

GlobiNeerlandici.jpg

GlobiNeerlandici.jpg

546 ms

05_02VanGiffen.gif

05_02VanGiffen.gif

631 ms

piombo.jpg

piombo.jpg

548 ms

Peter_van_der_Krogt_IMG_0776(90x90).jpg

Peter_van_der_Krogt_IMG_0776(90x90).jpg

89 ms

Accessibility Review

vanderkrogt.net accessibility score

96

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

vanderkrogt.net best practices score

67

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

SEO Factors

vanderkrogt.net SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vanderkrogt.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 Vanderkrogt.net main page’s claimed encoding is . 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

vanderkrogt.net

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