Tools & Wizards About Us
installatiewerk.net screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    52% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

installatiewerk.net

Installatiewerk.net is de startpagina voor de installatietechniek

Page Load Speed

2.6 sec in total

First Response

1 sec

Resources Loaded

1.4 sec

Page Rendered

174 ms

installatiewerk.net screenshot

About Website

Welcome to installatiewerk.net homepage info - get ready to check Installatiewerk best content right away, or after learning these important things about installatiewerk.net

Installatiewerk.net is de startpagina voor de installatietechniek met naar leveranciers, fabrikanten, adviseurs, installateurs en installatiebedrijven.

Visit installatiewerk.net

Key Findings

We analyzed Installatiewerk.net page load time and found that the first response time was 1 sec and then it took 1.6 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

installatiewerk.net performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.08

94/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

installatiewerk.net

1004 ms

ga.js

7 ms

EigenStyle.css

186 ms

iwlogo1.gif

321 ms

closed.gif

321 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 45% of them (9 requests) were addressed to the original Installatiewerk.net, 15% (3 requests) were made to Google-analytics.com and 15% (3 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Installatiewerk.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 64.1 kB (60%)

Content Size

107.8 kB

After Optimization

43.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Installatiewerk.net main page is 107.8 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. 20% of websites need less resources to load. HTML takes 54.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 47.4 kB

  • Original 54.8 kB
  • After minification 47.2 kB
  • After compression 7.4 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. This page needs HTML code to be minified as it can gain 7.6 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 47.4 kB or 86% of the original size.

Image Optimization

-7%

Potential reduce by 662 B

  • Original 8.9 kB
  • After minification 8.3 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. Installatiewerk images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 16.0 kB

  • Original 43.8 kB
  • After minification 43.7 kB
  • After compression 27.8 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 16.0 kB or 37% of the original size.

CSS Optimization

-41%

Potential reduce by 85 B

  • Original 209 B
  • After minification 157 B
  • After compression 124 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. Installatiewerk.net needs all CSS files to be minified and compressed as it can save up to 85 B or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (44%)

Requests Now

18

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Installatiewerk. 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

installatiewerk.net

installatiewerk.net

1004 ms

ga.js

ga.js

7 ms

EigenStyle.css

EigenStyle.css

186 ms

iwlogo1.gif

iwlogo1.gif

321 ms

closed.gif

closed.gif

321 ms

__utm.gif

__utm.gif

14 ms

collect

collect

59 ms

show_ads.js

show_ads.js

5 ms

apple%20icon%2020x20.jpg

apple%20icon%2020x20.jpg

286 ms

android-icon-20x20.gif

android-icon-20x20.gif

463 ms

06240.gif

06240.gif

369 ms

getpr.php

getpr.php

165 ms

linkedin-icon.jpg

linkedin-icon.jpg

343 ms

hvac.jpg

hvac.jpg

344 ms

Unica%20U%20met%20tekst.jpg

Unica%20U%20met%20tekst.jpg

344 ms

zrt_lookup.html

zrt_lookup.html

19 ms

show_ads_impl.js

show_ads_impl.js

50 ms

osd.js

osd.js

39 ms

ads

ads

176 ms

__utm.gif

__utm.gif

5 ms

Accessibility Review

installatiewerk.net accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible 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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

installatiewerk.net best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

installatiewerk.net 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

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Installatiewerk.net can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Installatiewerk.net main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

installatiewerk.net

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