Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

klopvaart.nl

Centraal Wonen Vereniging de Klopvaart – Centraal Wonen Vereniging de Klopvaart is een woonvereniging in Utrecht. Vind hier meer informatie over ons p...

Page Load Speed

2 sec in total

First Response

291 ms

Resources Loaded

1.7 sec

Page Rendered

85 ms

About Website

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

Centraal Wonen Vereniging de Klopvaart is een woonvereniging in Utrecht. Vind hier meer informatie over ons project of over de inschrijfprocedure.

Visit klopvaart.nl

Key Findings

We analyzed Klopvaart.nl page load time and found that the first response time was 291 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

klopvaart.nl performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

34/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value240 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

klopvaart.nl

291 ms

klopvaart.nl

513 ms

style.min.css

193 ms

style.css

287 ms

urchin.js

6 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 75% of them (12 requests) were addressed to the original Klopvaart.nl, 13% (2 requests) were made to Connect.facebook.net and 6% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (568 ms) belongs to the original domain Klopvaart.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.6 kB (10%)

Content Size

296.6 kB

After Optimization

267.0 kB

In fact, the total size of Klopvaart.nl main page is 296.6 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. 20% of websites need less resources to load. Images take 239.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 22.8 kB

  • Original 30.1 kB
  • After minification 29.6 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. 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 22.8 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 1.1 kB

  • Original 239.4 kB
  • After minification 238.3 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. Klopvaart images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 971 B

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 5.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 971 B or 14% of the original size.

CSS Optimization

-23%

Potential reduce by 4.8 kB

  • Original 20.3 kB
  • After minification 20.3 kB
  • After compression 15.5 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. Klopvaart.nl needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 23% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Klopvaart. According to our analytics all requests are already optimized.

Accessibility Review

klopvaart.nl accessibility score

88

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

klopvaart.nl best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

klopvaart.nl SEO score

71

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Klopvaart.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Klopvaart.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

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