Tools & Wizards About Us
koopwoningen.nl screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

koopwoningen.nl

Woning kopen in Nederland? Zoek uw huis te koop, keuze uit koopwoningen en appartementen te koop.

Page Load Speed

2 sec in total

First Response

185 ms

Resources Loaded

1.7 sec

Page Rendered

168 ms

koopwoningen.nl screenshot

About Website

Welcome to koopwoningen.nl homepage info - get ready to check Koop Woning En best content for Netherlands right away, or after learning these important things about koopwoningen.nl

Wilt u een huis kopen? Eenvoudig en snel zoeken naar de beste woning en huis in uw gebied! Van appartementen, huizen, woningen tot koopwoningen en meer...

Visit koopwoningen.nl

Key Findings

We analyzed Koopwoningen.nl page load time and found that the first response time was 185 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

koopwoningen.nl performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

koopwoningen.nl

185 ms

koopwoningen.nl

357 ms

www.koopwoningen.nl

394 ms

global-v0.4.css

186 ms

bootstrap.min.css

59 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 35% of them (11 requests) were addressed to the original Koopwoningen.nl, 10% (3 requests) were made to Casco-media-prod.global.ssl.fastly.net and 6% (2 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (462 ms) relates to the external source Casco-media-prod.global.ssl.fastly.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 53.5 kB (9%)

Content Size

586.6 kB

After Optimization

533.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koopwoningen.nl main page is 586.6 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. 30% of websites need less resources to load. Javascripts take 284.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 30.7 kB

  • Original 38.9 kB
  • After minification 32.0 kB
  • After compression 8.1 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 6.8 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 30.7 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 1.4 kB

  • Original 227.6 kB
  • After minification 226.3 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. Koop Woning En images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 12.5 kB

  • Original 284.7 kB
  • After minification 284.6 kB
  • After compression 272.2 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

-25%

Potential reduce by 8.9 kB

  • Original 35.5 kB
  • After minification 35.5 kB
  • After compression 26.6 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. Koopwoningen.nl needs all CSS files to be minified and compressed as it can save up to 8.9 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (54%)

Requests Now

24

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koop Woning En. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

koopwoningen.nl

koopwoningen.nl

185 ms

koopwoningen.nl

koopwoningen.nl

357 ms

www.koopwoningen.nl

www.koopwoningen.nl

394 ms

global-v0.4.css

global-v0.4.css

186 ms

bootstrap.min.css

bootstrap.min.css

59 ms

jquery.min.js

jquery.min.js

46 ms

bootstrap.min.js

bootstrap.min.js

56 ms

jquery.cookie.js

jquery.cookie.js

269 ms

jquery1102.js

jquery1102.js

374 ms

jquery-ui-1.10.3.custom-touch-punch.js

jquery-ui-1.10.3.custom-touch-punch.js

321 ms

global-v0.2.js

global-v0.2.js

374 ms

js

js

85 ms

widgets.js

widgets.js

102 ms

js

js

81 ms

fbevents.js

fbevents.js

73 ms

3344bd363da0ffeaaad7dce60a98e9ff.jpg

3344bd363da0ffeaaad7dce60a98e9ff.jpg

142 ms

eb12558b78547b3e37529cbffde28c1e.jpg

eb12558b78547b3e37529cbffde28c1e.jpg

462 ms

b344f3e48d93ce2f4dc20af1ac406650.jpg

b344f3e48d93ce2f4dc20af1ac406650.jpg

373 ms

noise.png

noise.png

128 ms

logo.png

logo.png

127 ms

plusone.js

plusone.js

110 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

189 ms

ga.js

ga.js

41 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

75 ms

7 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

18 ms

__utm.gif

__utm.gif

39 ms

settings

settings

95 ms

collect

collect

27 ms

ga-audiences

ga-audiences

103 ms

in.php

in.php

116 ms

Accessibility Review

koopwoningen.nl accessibility score

79

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

koopwoningen.nl best practices score

83

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

Page has valid source maps

SEO Factors

koopwoningen.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 Koopwoningen.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 Koopwoningen.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

koopwoningen.nl

Open Graph description is not detected on the main page of Koop Woning En. 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: