Tools & Wizards About Us
dakdekkers-utrecht.nl screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

dakdekkers-utrecht.nl

Home - Hollemandak Dakdekkers & Loodgieters Utrecht

Page Load Speed

4 sec in total

First Response

301 ms

Resources Loaded

2.9 sec

Page Rendered

736 ms

dakdekkers-utrecht.nl screenshot

About Website

Visit dakdekkers-utrecht.nl now to see the best up-to-date Dakdekkers Utrecht content and also check out these interesting facts you probably never knew about dakdekkers-utrecht.nl

In de omgeving Utrecht verzorgen wij met onze dakdekkers en loodgieters alle werkzaamheden van een lekkage oplossen tot het vernieuwen van uw dakbedekking

Visit dakdekkers-utrecht.nl

Key Findings

We analyzed Dakdekkers-utrecht.nl page load time and found that the first response time was 301 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

dakdekkers-utrecht.nl performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value320 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

dakdekkers-utrecht.nl

301 ms

www.dakdekkers-utrecht.nl

925 ms

style.min.css

96 ms

bootstrap.min.css

192 ms

primary.css

272 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 86% of them (42 requests) were addressed to the original Dakdekkers-utrecht.nl, 10% (5 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (925 ms) belongs to the original domain Dakdekkers-utrecht.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 93.9 kB (14%)

Content Size

659.6 kB

After Optimization

565.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dakdekkers-utrecht.nl main page is 659.6 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 461.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 52.8 kB

  • Original 62.8 kB
  • After minification 60.4 kB
  • After compression 10.0 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 52.8 kB or 84% of the original size.

Image Optimization

-9%

Potential reduce by 40.7 kB

  • Original 461.7 kB
  • After minification 420.9 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. Dakdekkers Utrecht images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 106 B

  • Original 74.2 kB
  • After minification 74.2 kB
  • After compression 74.0 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

-0%

Potential reduce by 240 B

  • Original 61.0 kB
  • After minification 61.0 kB
  • After compression 60.8 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. Dakdekkers-utrecht.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (51%)

Requests Now

39

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dakdekkers Utrecht. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dakdekkers-utrecht.nl

dakdekkers-utrecht.nl

301 ms

www.dakdekkers-utrecht.nl

www.dakdekkers-utrecht.nl

925 ms

style.min.css

style.min.css

96 ms

bootstrap.min.css

bootstrap.min.css

192 ms

primary.css

primary.css

272 ms

css

css

39 ms

logo.jpg

logo.jpg

470 ms

logo-white-bg.svg

logo-white-bg.svg

280 ms

secondary.css

secondary.css

277 ms

all.min.css

all.min.css

363 ms

jquery.datetimepicker.min.css

jquery.datetimepicker.min.css

278 ms

jquery.min.js

jquery.min.js

465 ms

jquery.matchHeight-min.js

jquery.matchHeight-min.js

465 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

484 ms

scripts.min.js

scripts.min.js

463 ms

jquery.datetimepicker.full-min.js

jquery.datetimepicker.full-min.js

474 ms

js

js

70 ms

mobile-menu-bg.svg

mobile-menu-bg.svg

473 ms

siren.png

siren.png

474 ms

klantenvertellen-trans.png

klantenvertellen-trans.png

483 ms

loodgieters-icon.png

loodgieters-icon.png

574 ms

dakreparatie-icon.png

dakreparatie-icon.png

574 ms

dakrenovatie-icon.png

dakrenovatie-icon.png

574 ms

daklekkage-icon.png

daklekkage-icon.png

574 ms

dakgoot-icon.png

dakgoot-icon.png

574 ms

dakdekken-icon.png

dakdekken-icon.png

574 ms

dakvervangen-icon.png

dakvervangen-icon.png

648 ms

offerte-icon.png

offerte-icon.png

651 ms

foto-bedrijfsbus.jpg

foto-bedrijfsbus.jpg

736 ms

voorrijkosten-icon.png

voorrijkosten-icon.png

646 ms

dagelijksbereikbaar-icon.png

dagelijksbereikbaar-icon.png

651 ms

vasteprijs-icon.png

vasteprijs-icon.png

651 ms

beoordelingen-450x300.jpg

beoordelingen-450x300.jpg

737 ms

smeltwater_lekkage-450x300.jpg

smeltwater_lekkage-450x300.jpg

738 ms

daklekkage-repareren-450x300.jpg

daklekkage-repareren-450x300.jpg

741 ms

Group-303.png

Group-303.png

742 ms

Group-301.png

Group-301.png

742 ms

Group-304.png

Group-304.png

825 ms

Hollemandak.jpg

Hollemandak.jpg

629 ms

home-usp-side.png

home-usp-side.png

452 ms

offerte-background.png

offerte-background.png

458 ms

jizOREVItHgc8qDIbSTKq4XkRg8T88bjFuXOnduhLsWkANDM.ttf

jizOREVItHgc8qDIbSTKq4XkRg8T88bjFuXOnduhLsWkANDM.ttf

75 ms

jizOREVItHgc8qDIbSTKq4XkRg8T88bjFuXOnduhcMWkANDM.ttf

jizOREVItHgc8qDIbSTKq4XkRg8T88bjFuXOnduhcMWkANDM.ttf

76 ms

jizOREVItHgc8qDIbSTKq4XkRg8T88bjFuXOnduhycKkANDM.ttf

jizOREVItHgc8qDIbSTKq4XkRg8T88bjFuXOnduhycKkANDM.ttf

100 ms

7Aulp_0qnzeSVz7u3PJLcUMYOFkpl0k30e0.ttf

7Aulp_0qnzeSVz7u3PJLcUMYOFkpl0k30e0.ttf

137 ms

7Aulp_0qnzeSVz7u3PJLcUMYOFnOkEk30e0.ttf

7Aulp_0qnzeSVz7u3PJLcUMYOFnOkEk30e0.ttf

102 ms

fa-solid-900.woff

fa-solid-900.woff

551 ms

fa-regular-400.woff

fa-regular-400.woff

459 ms

fa-brands-400.woff

fa-brands-400.woff

537 ms

Accessibility Review

dakdekkers-utrecht.nl accessibility score

81

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.

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 IDs are not unique

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

Links do not have a discernible name

Best Practices

dakdekkers-utrecht.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

dakdekkers-utrecht.nl SEO score

97

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

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 Dakdekkers-utrecht.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 Dakdekkers-utrecht.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

dakdekkers-utrecht.nl

Open Graph data is detected on the main page of Dakdekkers Utrecht. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: