Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

vdlaakbouwadvies.nl

Van de Laak BouwAdvies, deskundig bestekschrijver Stabu bestek (bestekboek, bouwbestek)

Page Load Speed

3.3 sec in total

First Response

387 ms

Resources Loaded

1.7 sec

Page Rendered

1.2 sec

vdlaakbouwadvies.nl screenshot

About Website

Welcome to vdlaakbouwadvies.nl homepage info - get ready to check Vd Laak Bouw Advies best content right away, or after learning these important things about vdlaakbouwadvies.nl

Van de Laak BouwAdvies: dé partner voor uw STABU Bestek (bestekboek, bouwbestek) of Technische Omschrijving, voor Burger- en Utiliteitsbouw. De bestekboeken worden door een ervaren bestekdeskundige ve...

Visit vdlaakbouwadvies.nl

Key Findings

We analyzed Vdlaakbouwadvies.nl page load time and found that the first response time was 387 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

vdlaakbouwadvies.nl performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.193

64/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

vdlaakbouwadvies.nl

387 ms

vdlaakbouwadvies.nl

414 ms

style.css

138 ms

Contactgegevens%20Van%20de%20Laak%20BouwAdvies.png

418 ms

Logo%20smal%20-%20Van%20de%20Laak%20Bouwadvies.png

453 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that all of those requests were addressed to Vdlaakbouwadvies.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (812 ms) belongs to the original domain Vdlaakbouwadvies.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.0 kB (8%)

Content Size

1.7 MB

After Optimization

1.6 MB

In fact, the total size of Vdlaakbouwadvies.nl main page is 1.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 9.3 kB

  • Original 13.8 kB
  • After minification 13.0 kB
  • After compression 4.5 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 9.3 kB or 67% of the original size.

Image Optimization

-7%

Potential reduce by 127.3 kB

  • Original 1.7 MB
  • After minification 1.6 MB

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. Vd Laak Bouw Advies images are well optimized though.

CSS Optimization

-17%

Potential reduce by 403 B

  • Original 2.4 kB
  • After minification 2.4 kB
  • After compression 2.0 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. Vdlaakbouwadvies.nl needs all CSS files to be minified and compressed as it can save up to 403 B or 17% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vd Laak Bouw Advies. According to our analytics all requests are already optimized.

Accessibility Review

vdlaakbouwadvies.nl accessibility score

71

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

Buttons do not have an accessible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

vdlaakbouwadvies.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

vdlaakbouwadvies.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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vdlaakbouwadvies.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 Vdlaakbouwadvies.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 Vd Laak Bouw Advies. 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: