Tools & Wizards About Us
koelen.nl screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 70% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    82% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

koelen.nl

Liebherr & Scotsman | Buram Electro BV dé specialist in koelen en vriezen

Page Load Speed

3.8 sec in total

First Response

366 ms

Resources Loaded

3.1 sec

Page Rendered

380 ms

koelen.nl screenshot

About Website

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

Exclusief importeur Liebherr sinds 1955 en dé specialist in koelkasten, vriezers, wijnkasten en Scotsman ijsmachines - officiële website.

Visit koelen.nl

Key Findings

We analyzed Koelen.nl page load time and found that the first response time was 366 ms and then it took 3.5 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

koelen.nl performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

koelen.nl

366 ms

www.koelen.nl

663 ms

npd1aah.js

211 ms

application-98c0577020e185aeb6f4c2c6af21a134a061ab1353c0e9de8cce7c0a7ef68824.css

178 ms

application-6a701b7a0f9f60eacd07ce5c2256f1c1127edf5a127d16e6b3214bdd43f58791.js

964 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 54% of them (15 requests) were addressed to the original Koelen.nl, 29% (8 requests) were made to Use.typekit.net and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (964 ms) belongs to the original domain Koelen.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 426.6 kB (34%)

Content Size

1.3 MB

After Optimization

831.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koelen.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. 35% of websites need less resources to load. Images take 721.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 11.5 kB

  • Original 15.6 kB
  • After minification 13.8 kB
  • After compression 4.1 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 1.8 kB, which is 11% 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 11.5 kB or 74% of the original size.

Image Optimization

-7%

Potential reduce by 47.2 kB

  • Original 721.8 kB
  • After minification 674.6 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. Koel En images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 294.1 kB

  • Original 429.3 kB
  • After minification 429.3 kB
  • After compression 135.2 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 294.1 kB or 69% of the original size.

CSS Optimization

-81%

Potential reduce by 73.9 kB

  • Original 91.7 kB
  • After minification 91.2 kB
  • After compression 17.8 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. Koelen.nl needs all CSS files to be minified and compressed as it can save up to 73.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (16%)

Requests Now

19

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koel 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 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

koelen.nl

koelen.nl

366 ms

www.koelen.nl

www.koelen.nl

663 ms

npd1aah.js

npd1aah.js

211 ms

application-98c0577020e185aeb6f4c2c6af21a134a061ab1353c0e9de8cce7c0a7ef68824.css

application-98c0577020e185aeb6f4c2c6af21a134a061ab1353c0e9de8cce7c0a7ef68824.css

178 ms

application-6a701b7a0f9f60eacd07ce5c2256f1c1127edf5a127d16e6b3214bdd43f58791.js

application-6a701b7a0f9f60eacd07ce5c2256f1c1127edf5a127d16e6b3214bdd43f58791.js

964 ms

www.koelen.nl

www.koelen.nl

101 ms

logo-14890b3084220267ec0dc07f11df37227cb145d8c3c1394b70babb7682885e1d.png

logo-14890b3084220267ec0dc07f11df37227cb145d8c3c1394b70babb7682885e1d.png

89 ms

logo-footer-2f740f593635a226284aba186568dc9d6c2924026485746e5d8f367e90b56809.png

logo-footer-2f740f593635a226284aba186568dc9d6c2924026485746e5d8f367e90b56809.png

91 ms

gtm.js

gtm.js

107 ms

q63lSzORFwczcivJUdK11bIb2Nr1sVJzhf3nbjo1tjCffF7AggMmeMJ6Mk6f5Mb.woff

q63lSzORFwczcivJUdK11bIb2Nr1sVJzhf3nbjo1tjCffF7AggMmeMJ6Mk6f5Mb.woff

34 ms

cVH7VSWwjVnUGowVOPjpN9h7RS_lWUMYEfutDV2sYwXffFKAggMmeMJ6Mk6f5Mw.woff

cVH7VSWwjVnUGowVOPjpN9h7RS_lWUMYEfutDV2sYwXffFKAggMmeMJ6Mk6f5Mw.woff

75 ms

VjJ_bCcZL3K5g_tkM-LPguOlgVbCnxS1tllZQRXYsD3ffFEAggMmeMJ6Mk6f5Mj.woff

VjJ_bCcZL3K5g_tkM-LPguOlgVbCnxS1tllZQRXYsD3ffFEAggMmeMJ6Mk6f5Mj.woff

118 ms

icomoon-dfb1ea869a6b841c053e39e72b072397dabe4aa98051f4ba9b826a2b2bd52241.woff

icomoon-dfb1ea869a6b841c053e39e72b072397dabe4aa98051f4ba9b826a2b2bd52241.woff

110 ms

2TuPrSSz5cGDrpiPf_ja4Lz0bNpAH2bE_zV2KsBDLgjff4-gggMmeMJ6Mk6f5Mw.woff

2TuPrSSz5cGDrpiPf_ja4Lz0bNpAH2bE_zV2KsBDLgjff4-gggMmeMJ6Mk6f5Mw.woff

173 ms

vsHljiTUx-oVan3kVJ-qIwRshRx4N5E_nnGzZwxe6i9ff4egggMmeMJ6Mk6f5MS.woff

vsHljiTUx-oVan3kVJ-qIwRshRx4N5E_nnGzZwxe6i9ff4egggMmeMJ6Mk6f5MS.woff

172 ms

xWBEbxdCLYwz9pNUG0HL-6AST_1_BC-QWsIsJ4aYXW3ffF0AggMmeMJ6Mk6f5Mt.woff

xWBEbxdCLYwz9pNUG0HL-6AST_1_BC-QWsIsJ4aYXW3ffF0AggMmeMJ6Mk6f5Mt.woff

135 ms

analytics.js

analytics.js

72 ms

collect

collect

29 ms

collect

collect

55 ms

p.gif

p.gif

122 ms

CBNPgb4855-header_home_galss.jpg

CBNPgb4855-header_home_galss.jpg

612 ms

BluPerformance_play_button.jpg

BluPerformance_play_button.jpg

271 ms

7_inch_party_program.jpg

7_inch_party_program.jpg

374 ms

Let-op_305x202.jpg

Let-op_305x202.jpg

344 ms

7-jaar-zekerheid-met-nederlandse-vlag.png

7-jaar-zekerheid-met-nederlandse-vlag.png

519 ms

CBNPes4858-home.jpg

CBNPes4858-home.jpg

441 ms

Spaarvarkenstekker-305x202.jpg

Spaarvarkenstekker-305x202.jpg

361 ms

Showroom.jpg

Showroom.jpg

513 ms

Accessibility Review

koelen.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.

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

koelen.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

koelen.nl SEO score

93

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

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 Koelen.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 Koelen.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

koelen.nl

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