Tools & Wizards About Us
creon-kozijnen.nl screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    59% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

creon-kozijnen.nl

Creon Kozijnen - Bereken online in 30 seconden de prijs

Page Load Speed

3.9 sec in total

First Response

279 ms

Resources Loaded

3.1 sec

Page Rendered

485 ms

creon-kozijnen.nl screenshot

About Website

Welcome to creon-kozijnen.nl homepage info - get ready to check Creon Kozijnen best content for Netherlands right away, or after learning these important things about creon-kozijnen.nl

✓ Nummer 1 webshop in kunststof en aluminium kozijnen ✓ 10 jaar+ ervaring ✓ Op maat gemaakt ✓ Prijs binnen 30 seconden ✓ Voor particulier en zakelijk

Visit creon-kozijnen.nl

Key Findings

We analyzed Creon-kozijnen.nl page load time and found that the first response time was 279 ms and then it took 3.6 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

creon-kozijnen.nl performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value900 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

creon-kozijnen.nl

279 ms

creon-kozijnen.nl

388 ms

www.creon-kozijnen.nl

962 ms

modernizr.js

95 ms

jquery.js

282 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 59% of them (23 requests) were addressed to the original Creon-kozijnen.nl, 13% (5 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Dev.visualwebsiteoptimizer.com. The less responsive or slowest element that took the longest time to load (962 ms) belongs to the original domain Creon-kozijnen.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (65%)

Content Size

1.8 MB

After Optimization

626.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Creon-kozijnen.nl main page is 1.8 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. 35% of websites need less resources to load. Javascripts take 946.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 23.5 kB

  • Original 30.8 kB
  • After minification 25.2 kB
  • After compression 7.3 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. This page needs HTML code to be minified as it can gain 5.6 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 23.5 kB or 76% of the original size.

Image Optimization

-4%

Potential reduce by 14.6 kB

  • Original 325.5 kB
  • After minification 311.0 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. Creon Kozijnen images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 712.0 kB

  • Original 946.2 kB
  • After minification 758.3 kB
  • After compression 234.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 712.0 kB or 75% of the original size.

CSS Optimization

-85%

Potential reduce by 416.0 kB

  • Original 490.3 kB
  • After minification 467.9 kB
  • After compression 74.3 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. Creon-kozijnen.nl needs all CSS files to be minified and compressed as it can save up to 416.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (59%)

Requests Now

27

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Creon Kozijnen. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

creon-kozijnen.nl

creon-kozijnen.nl

279 ms

creon-kozijnen.nl

creon-kozijnen.nl

388 ms

www.creon-kozijnen.nl

www.creon-kozijnen.nl

962 ms

modernizr.js

modernizr.js

95 ms

jquery.js

jquery.js

282 ms

glass_colors_nl.js

glass_colors_nl.js

274 ms

e3dd14ad393b4983b8ed49e9d84537ec.css

e3dd14ad393b4983b8ed49e9d84537ec.css

482 ms

eb45247d6ab75ca1f101c2180a29fecb.js

eb45247d6ab75ca1f101c2180a29fecb.js

580 ms

foundation.min.js

foundation.min.js

470 ms

foundation.offcanvas.js

foundation.offcanvas.js

294 ms

foundation.topbar.js

foundation.topbar.js

364 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

370 ms

app.js

app.js

385 ms

css

css

57 ms

j.php

j.php

260 ms

analytics.js

analytics.js

279 ms

uZAQw60cq5E

uZAQw60cq5E

340 ms

home_logo.png

home_logo.png

249 ms

thuiswinkel.png

thuiswinkel.png

249 ms

ideal.png

ideal.png

249 ms

rolluiken_banner_2.jpg

rolluiken_banner_2.jpg

758 ms

opmeetinstructies.png

opmeetinstructies.png

441 ms

kozijn.png

kozijn.png

359 ms

ODelI1aHBYDBqgeIAH2zlBM0YzuT7MdOe03otPbuUS0.woff

ODelI1aHBYDBqgeIAH2zlBM0YzuT7MdOe03otPbuUS0.woff

52 ms

toadOcfmlt9b38dHJxOBGJ6-ys_j0H4QL65VLqzI3wI.woff

toadOcfmlt9b38dHJxOBGJ6-ys_j0H4QL65VLqzI3wI.woff

63 ms

toadOcfmlt9b38dHJxOBGFkQc6VGVFSmCnC_l7QZG60.woff

toadOcfmlt9b38dHJxOBGFkQc6VGVFSmCnC_l7QZG60.woff

64 ms

2DE02B_A_0.woff

2DE02B_A_0.woff

382 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

370 ms

2DE02B_8_0.woff

2DE02B_8_0.woff

382 ms

v.gif

v.gif

45 ms

collect

collect

19 ms

collect

collect

138 ms

www-embed-player-vflfNyN_r.css

www-embed-player-vflfNyN_r.css

36 ms

www-embed-player.js

www-embed-player.js

61 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

41 ms

ad_status.js

ad_status.js

80 ms

2UX7WLTfW3W8TclTUvlFyQ.woff

2UX7WLTfW3W8TclTUvlFyQ.woff

24 ms

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

25 ms

71de79b1e0a8f2779ba3b38ac33306b1.css

71de79b1e0a8f2779ba3b38ac33306b1.css

96 ms

Accessibility Review

creon-kozijnen.nl accessibility score

87

Accessibility Issues

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

Image elements do not have [alt] attributes

Best Practices

creon-kozijnen.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

creon-kozijnen.nl SEO score

85

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Creon-kozijnen.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 Creon-kozijnen.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

creon-kozijnen.nl

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