Report Summary

  • 0

    Performance

  • 33

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

vdmadmin.nl

VDMAdmin.nl Administratie van Vervoersbewijzen Dierlijke MestStoffen en Zuiveringsslib en Compost via het internet

Page Load Speed

1.6 sec in total

First Response

273 ms

Resources Loaded

843 ms

Page Rendered

488 ms

vdmadmin.nl screenshot

About Website

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

VDM (Vervoersbewijs Dierlijke Meststoffen) en VZC (Vervoersbewijs Zuiveringsslib en Compost) online administratie, electronische verzending naar analyse laboratorium, electronische verzending naar Die...

Visit vdmadmin.nl

Key Findings

We analyzed Vdmadmin.nl page load time and found that the first response time was 273 ms and then it took 1.3 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

vdmadmin.nl performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

vdmadmin.nl

273 ms

header.html

184 ms

left.html

188 ms

startpagina.html

283 ms

vdmadmin_header.jpg

259 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 Vdmadmin.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (283 ms) belongs to the original domain Vdmadmin.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.9 kB (11%)

Content Size

95.2 kB

After Optimization

84.3 kB

In fact, the total size of Vdmadmin.nl main page is 95.2 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. Images take 80.8 kB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 1.0 kB

  • Original 1.8 kB
  • After minification 1.7 kB
  • After compression 784 B

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 1.0 kB or 56% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 80.8 kB
  • After minification 80.8 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. VDMAdmin images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 9.9 kB

  • Original 12.6 kB
  • After minification 8.3 kB
  • After compression 2.7 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 9.9 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VDMAdmin. According to our analytics all requests are already optimized.

Accessibility Review

vdmadmin.nl accessibility score

33

Accessibility Issues

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

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

vdmadmin.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

SEO Factors

vdmadmin.nl SEO score

67

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vdmadmin.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 Vdmadmin.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 VDMAdmin. 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: