Tools & Wizards About Us
duurzaambouwloket.nl screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

duurzaambouwloket.nl

Duurzaam Bouwloket | Gasloos vrij wonen, wat heb je daarvoor nodig?

Page Load Speed

3 sec in total

First Response

374 ms

Resources Loaded

2.2 sec

Page Rendered

382 ms

duurzaambouwloket.nl screenshot

About Website

Visit duurzaambouwloket.nl now to see the best up-to-date Duurzaam Bouwloket content for Netherlands and also check out these interesting facts you probably never knew about duurzaambouwloket.nl

Duurzaam Bouwloket, het energieloket voor particulieren en ondernemers op het gebied van energiebesparing. Daar waar gemeenten momenteel druk bezig zijn met de voorbereidingen naar een aardgasloos Ned...

Visit duurzaambouwloket.nl

Key Findings

We analyzed Duurzaambouwloket.nl page load time and found that the first response time was 374 ms and then it took 2.6 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

duurzaambouwloket.nl performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value1,290 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.52

15/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

duurzaambouwloket.nl

374 ms

duurzaambouwloket.nl

374 ms

www.duurzaambouwloket.nl

730 ms

gtm.js

114 ms

bootstrap.min.css

104 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 50% of them (16 requests) were addressed to the original Duurzaambouwloket.nl, 13% (4 requests) were made to Fonts.gstatic.com and 9% (3 requests) were made to Res.cloudinary.com. The less responsive or slowest element that took the longest time to load (737 ms) belongs to the original domain Duurzaambouwloket.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.8 kB (3%)

Content Size

1.3 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duurzaambouwloket.nl main page is 1.3 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. 40% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 20.0 kB

  • Original 26.5 kB
  • After minification 21.8 kB
  • After compression 6.5 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. This page needs HTML code to be minified as it can gain 4.7 kB, which is 18% 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 20.0 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 3.0 kB

  • Original 1.2 MB
  • After minification 1.2 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. Duurzaam Bouwloket images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 11.2 kB

  • Original 46.3 kB
  • After minification 46.3 kB
  • After compression 35.1 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 11.2 kB or 24% of the original size.

CSS Optimization

-9%

Potential reduce by 4.5 kB

  • Original 50.7 kB
  • After minification 50.7 kB
  • After compression 46.2 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. Duurzaambouwloket.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (65%)

Requests Now

23

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duurzaam Bouwloket. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

duurzaambouwloket.nl

duurzaambouwloket.nl

374 ms

duurzaambouwloket.nl

duurzaambouwloket.nl

374 ms

www.duurzaambouwloket.nl

www.duurzaambouwloket.nl

730 ms

gtm.js

gtm.js

114 ms

bootstrap.min.css

bootstrap.min.css

104 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

200 ms

style.css

style.css

349 ms

css

css

77 ms

css

css

96 ms

gemeentekeuze.css

gemeentekeuze.css

262 ms

IMG_0733.jpg

IMG_0733.jpg

131 ms

jquery-1.11.2.min.js

jquery-1.11.2.min.js

64 ms

bootstrap.min.js

bootstrap.min.js

65 ms

main.js

main.js

273 ms

jquery.autocomplete.js

jquery.autocomplete.js

276 ms

module.gemeentekeuze.js

module.gemeentekeuze.js

276 ms

global.js

global.js

288 ms

jquery.focuspoint.js

jquery.focuspoint.js

523 ms

focuspoint.init.js

focuspoint.init.js

523 ms

uc.js

uc.js

70 ms

Team-Foto-DuurzaamBouwloket.jpg

Team-Foto-DuurzaamBouwloket.jpg

167 ms

DBL-159.jpg

DBL-159.jpg

165 ms

logo.svg

logo.svg

522 ms

prefooter-image.png

prefooter-image.png

737 ms

materialdesignicons.min.css

materialdesignicons.min.css

23 ms

materialdesignicons.min.css

materialdesignicons.min.css

7 ms

logo_bg.png

logo_bg.png

129 ms

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K3vXBi8Jo43ZKyHqQg.ttf

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K3vXBi8Jo43ZKyHqQg.ttf

55 ms

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K0nXBi8Jo43ZKyHqQg.ttf

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K0nXBi8Jo43ZKyHqQg.ttf

92 ms

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32KxfXBi8Jo43ZKyHqQg.ttf

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32KxfXBi8Jo43ZKyHqQg.ttf

125 ms

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K5fQBi8Jo43ZKyHqQg.ttf

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K5fQBi8Jo43ZKyHqQg.ttf

125 ms

materialdesignicons-webfont.woff

materialdesignicons-webfont.woff

19 ms

Accessibility Review

duurzaambouwloket.nl accessibility score

98

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

duurzaambouwloket.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

duurzaambouwloket.nl SEO score

96

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 Duurzaambouwloket.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 Duurzaambouwloket.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

duurzaambouwloket.nl

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