Tools & Wizards About Us
vosbouw-assen.nl screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

Page Load Speed

6.3 sec in total

First Response

2 sec

Resources Loaded

3.9 sec

Page Rendered

468 ms

vosbouw-assen.nl screenshot

About Website

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Key Findings

We analyzed Vosbouw-assen.nl page load time and found that the first response time was 2 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

vosbouw-assen.nl performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

vosbouw-assen.nl

2006 ms

cloud-zoom.css

190 ms

jquery-1.10.2.min.js

521 ms

jquery-migrate-1.2.1.min.js

270 ms

cloud-zoom.1.0.2.js

269 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 88% of them (15 requests) were addressed to the original Vosbouw-assen.nl, 12% (2 requests) were made to Vosbouw.qsite.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Vosbouw-assen.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 144.7 kB (5%)

Content Size

2.9 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vosbouw-assen.nl main page is 2.9 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. 15% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 12.2 kB

  • Original 16.6 kB
  • After minification 16.0 kB
  • After compression 4.3 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 12.2 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 53.0 kB

  • Original 2.7 MB
  • After minification 2.7 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. Vosbo Uw Ass En images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 79.0 kB

  • Original 117.6 kB
  • After minification 107.5 kB
  • After compression 38.6 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 79.0 kB or 67% of the original size.

CSS Optimization

-66%

Potential reduce by 492 B

  • Original 742 B
  • After minification 418 B
  • After compression 250 B

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. Vosbouw-assen.nl needs all CSS files to be minified and compressed as it can save up to 492 B or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (19%)

Requests Now

16

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vosbo Uw Ass En. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vosbouw-assen.nl

vosbouw-assen.nl

2006 ms

cloud-zoom.css

cloud-zoom.css

190 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

521 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

270 ms

cloud-zoom.1.0.2.js

cloud-zoom.1.0.2.js

269 ms

browser.js

browser.js

199 ms

Banner-Bouwplan-2016.gif

Banner-Bouwplan-2016.gif

781 ms

bedrijfspand.png

bedrijfspand.png

880 ms

Showroom2.jpeg

Showroom2.jpeg

1454 ms

header.png

header.png

450 ms

Velux%20Montage%20Partner.jpg

Velux%20Montage%20Partner.jpg

866 ms

bouwgarant.jpg

bouwgarant.jpg

790 ms

sbb-beeldmerk-website.png

sbb-beeldmerk-website.png

696 ms

weekamp_deuren.jpg

weekamp_deuren.jpg

617 ms

Solatube.png

Solatube.png

621 ms

logo_luxlight.png

logo_luxlight.png

792 ms

vosbouw-assen.nl

vosbouw-assen.nl

504 ms

Accessibility Review

vosbouw-assen.nl accessibility score

94

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

High

Links do not have a discernible name

Best Practices

vosbouw-assen.nl best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

vosbouw-assen.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

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vosbouw-assen.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 Vosbouw-assen.nl main page’s claimed encoding is windows-1252. 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

vosbouw-assen.nl

Open Graph description is not detected on the main page of Vosbo Uw Ass En. 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: