Tools & Wizards About Us
welldone-installatietechniek.nl screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

welldone-installatietechniek.nl

Welldone Installatietechniek, het betrouwbare installatie- en loodgietersbedrijf in uw regio

Page Load Speed

3.2 sec in total

First Response

441 ms

Resources Loaded

2.6 sec

Page Rendered

119 ms

welldone-installatietechniek.nl screenshot

About Website

Click here to check amazing Welldone Installatietechniek content. Otherwise, check out these important facts you probably never knew about welldone-installatietechniek.nl

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Key Findings

We analyzed Welldone-installatietechniek.nl page load time and found that the first response time was 441 ms and then it took 2.7 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

welldone-installatietechniek.nl performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.53

14/100

15%

TTI (Time to Interactive)

Value7.7 s

46/100

10%

Network Requests Diagram

welldone-installatietechniek.nl

441 ms

www.welldone-installatietechniek.nl

646 ms

6527eb16664a4ef39a2d4512f0a48ee6296c733ed6795391ca32e5ef13e41df5c597f6eedb3e558ba858c0f49508a79a19bdebd9d3c0fb619d2041d22e106c96.css

186 ms

18e8adcdf4f5bc16bcb107fb5bbaebcf1d1cf07b6a0f84ddd5a0019c30c925b64d26ca2f3a61508d7f4e2011901b58e0db1bd356b369b08ffbab9c97fcc40e30.js

527 ms

bootstrap.min.css

355 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 74% of them (14 requests) were addressed to the original Welldone-installatietechniek.nl, 11% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Kit.fontawesome.com. The less responsive or slowest element that took the longest time to load (947 ms) belongs to the original domain Welldone-installatietechniek.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 130.5 kB (16%)

Content Size

798.6 kB

After Optimization

668.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Welldone-installatietechniek.nl main page is 798.6 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. 35% of websites need less resources to load. Images take 595.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 8.8 kB

  • Original 12.2 kB
  • After minification 11.1 kB
  • After compression 3.5 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 8.8 kB or 72% of the original size.

Image Optimization

-20%

Potential reduce by 120.6 kB

  • Original 595.7 kB
  • After minification 475.1 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. Obviously, Welldone Installatietechniek needs image optimization as it can save up to 120.6 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 200 B

  • Original 144.2 kB
  • After minification 144.2 kB
  • After compression 143.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 956 B

  • Original 46.6 kB
  • After minification 46.6 kB
  • After compression 45.6 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. Welldone-installatietechniek.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (53%)

Requests Now

17

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Welldone Installatietechniek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

welldone-installatietechniek.nl

welldone-installatietechniek.nl

441 ms

www.welldone-installatietechniek.nl

www.welldone-installatietechniek.nl

646 ms

6527eb16664a4ef39a2d4512f0a48ee6296c733ed6795391ca32e5ef13e41df5c597f6eedb3e558ba858c0f49508a79a19bdebd9d3c0fb619d2041d22e106c96.css

6527eb16664a4ef39a2d4512f0a48ee6296c733ed6795391ca32e5ef13e41df5c597f6eedb3e558ba858c0f49508a79a19bdebd9d3c0fb619d2041d22e106c96.css

186 ms

18e8adcdf4f5bc16bcb107fb5bbaebcf1d1cf07b6a0f84ddd5a0019c30c925b64d26ca2f3a61508d7f4e2011901b58e0db1bd356b369b08ffbab9c97fcc40e30.js

18e8adcdf4f5bc16bcb107fb5bbaebcf1d1cf07b6a0f84ddd5a0019c30c925b64d26ca2f3a61508d7f4e2011901b58e0db1bd356b369b08ffbab9c97fcc40e30.js

527 ms

bootstrap.min.css

bootstrap.min.css

355 ms

style.css

style.css

276 ms

cvketels.css

cvketels.css

275 ms

068a99b28d.js

068a99b28d.js

116 ms

bootstrap.min.js

bootstrap.min.js

277 ms

scripts.js

scripts.js

274 ms

analytics.js

analytics.js

476 ms

welldone-logo-wit.png

welldone-logo-wit.png

465 ms

bereken-besparing.png

bereken-besparing.png

462 ms

bert-hamers-bus.png

bert-hamers-bus.png

718 ms

welldone%20custorate(1).png

welldone%20custorate(1).png

947 ms

toolbarBottom.css

toolbarBottom.css

514 ms

collect

collect

14 ms

collect

collect

29 ms

js

js

66 ms

Accessibility Review

welldone-installatietechniek.nl accessibility score

73

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

welldone-installatietechniek.nl best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

welldone-installatietechniek.nl SEO score

89

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

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 Welldone-installatietechniek.nl 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 Welldone-installatietechniek.nl 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

welldone-installatietechniek.nl

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