Tools & Wizards About Us
vakbouwer.nl screenshot

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

  • 64

    SEO

    Google-friendlier than
    24% of websites

vakbouwer.nl

Welkom bij Vakbouwer

Page Load Speed

1.6 sec in total

First Response

357 ms

Resources Loaded

1.1 sec

Page Rendered

135 ms

vakbouwer.nl screenshot

About Website

Click here to check amazing Vakbouwer content. Otherwise, check out these important facts you probably never knew about vakbouwer.nl

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Key Findings

We analyzed Vakbouwer.nl page load time and found that the first response time was 357 ms and then it took 1.2 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

vakbouwer.nl performance score

0

Network Requests Diagram

vakbouwer.nl

357 ms

fill.html

85 ms

menu.html

171 ms

home.html

172 ms

adres.html

173 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that all of those requests were addressed to Vakbouwer.nl and no external sources were called. The less responsive or slowest element that took the longest time to load (357 ms) belongs to the original domain Vakbouwer.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.5 kB (14%)

Content Size

68.1 kB

After Optimization

58.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Vakbouwer.nl main page is 68.1 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 55.4 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 579 B

  • Original 976 B
  • After minification 928 B
  • After compression 397 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 579 B or 59% of the original size.

Image Optimization

-0%

Potential reduce by 39 B

  • Original 55.4 kB
  • After minification 55.4 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. Vakbouwer images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 8.9 kB

  • Original 11.8 kB
  • After minification 9.5 kB
  • After compression 2.8 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 8.9 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

28

After Optimization

28

  • AJAX
  • Images
  • JavaScript

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vakbouwer. According to our analytics all requests are already optimized.

Network Requests Diagram

vakbouwer.nl

vakbouwer.nl

357 ms

fill.html

fill.html

85 ms

menu.html

menu.html

171 ms

home.html

home.html

172 ms

adres.html

adres.html

173 ms

CSScriptLib.js

CSScriptLib.js

94 ms

back.gif

back.gif

206 ms

top_0.jpg

top_0.jpg

111 ms

start.jpg

start.jpg

202 ms

adres.gif

adres.gif

188 ms

patmenu.gif

patmenu.gif

124 ms

backmenu.jpg

backmenu.jpg

116 ms

home.gif

home.gif

190 ms

nieuwbouw.gif

nieuwbouw.gif

188 ms

restauratie.gif

restauratie.gif

192 ms

renovatie.gif

renovatie.gif

201 ms

dakkapellen.gif

dakkapellen.gif

200 ms

projecten.gif

projecten.gif

217 ms

fotoboek.gif

fotoboek.gif

273 ms

contact.gif

contact.gif

282 ms

logo.gif

logo.gif

277 ms

home_over.gif

home_over.gif

88 ms

nieuwbouw_over.gif

nieuwbouw_over.gif

95 ms

restauratie_over.gif

restauratie_over.gif

90 ms

renovatie_over.gif

renovatie_over.gif

104 ms

dakkapellen_over.gif

dakkapellen_over.gif

117 ms

projecten_over.gif

projecten_over.gif

120 ms

fotoboek_over.gif

fotoboek_over.gif

180 ms

contact_over.gif

contact_over.gif

181 ms

Accessibility Review

vakbouwer.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

vakbouwer.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

vakbouwer.nl SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • 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 Vakbouwer.nl can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Vakbouwer.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

vakbouwer.nl

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