Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

kozijnservicenederland.nl

Dé reparatiespecialist van hang-en sluitwerk - Kozijn Service Nederland

Page Load Speed

3.5 sec in total

First Response

382 ms

Resources Loaded

2.8 sec

Page Rendered

260 ms

kozijnservicenederland.nl screenshot

About Website

Welcome to kozijnservicenederland.nl homepage info - get ready to check Kozijn Service Nederland best content right away, or after learning these important things about kozijnservicenederland.nl

Kozijn Service Nederland is gespecialiseerd in het herstellen en repareren van bestaande kozijnen. Schadeherstel | Kozijnonderdelen | Kozijnrubber | Inbraakpreventie

Visit kozijnservicenederland.nl

Key Findings

We analyzed Kozijnservicenederland.nl page load time and found that the first response time was 382 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

kozijnservicenederland.nl performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.201

62/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

kozijnservicenederland.nl

382 ms

ksn.nl

1073 ms

jquery.min.js

20 ms

style.min.css

96 ms

jquery.fancybox.min.css

191 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Kozijnservicenederland.nl, 89% (58 requests) were made to Ksn.nl and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Ksn.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 188.6 kB (22%)

Content Size

875.6 kB

After Optimization

687.0 kB

In fact, the total size of Kozijnservicenederland.nl main page is 875.6 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. 55% of websites need less resources to load. Images take 413.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 61.2 kB

  • Original 77.5 kB
  • After minification 73.8 kB
  • After compression 16.3 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 61.2 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 5.0 kB

  • Original 413.0 kB
  • After minification 408.0 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. Kozijn Service Nederland images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 36.5 kB

  • Original 234.3 kB
  • After minification 234.3 kB
  • After compression 197.9 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 36.5 kB or 16% of the original size.

CSS Optimization

-57%

Potential reduce by 86.0 kB

  • Original 150.8 kB
  • After minification 150.8 kB
  • After compression 64.9 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. Kozijnservicenederland.nl needs all CSS files to be minified and compressed as it can save up to 86.0 kB or 57% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (64%)

Requests Now

59

After Optimization

21

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kozijn Service Nederland. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kozijnservicenederland.nl accessibility score

98

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.

Best Practices

kozijnservicenederland.nl best practices score

67

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

Page has valid source maps

SEO Factors

kozijnservicenederland.nl SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

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 Kozijnservicenederland.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 Kozijnservicenederland.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 data is detected on the main page of Kozijn Service Nederland. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: