Tools & Wizards About Us
koffiecenter.nl screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

koffiecenter.nl

Koffiezetapparaat kopen? - Coolblue - Voor 23.59u, morgen in huis

Page Load Speed

4.6 sec in total

First Response

878 ms

Resources Loaded

3.3 sec

Page Rendered

490 ms

koffiecenter.nl screenshot

About Website

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

Koffiezetapparaten producten kopen? Coolblue levert ook op zondag en in de avonduren! Gratis bezorging & retour.

Visit koffiecenter.nl

Key Findings

We analyzed Koffiecenter.nl page load time and found that the first response time was 878 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

koffiecenter.nl performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value17.1 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value3,390 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.203

61/100

15%

TTI (Time to Interactive)

Value20.0 s

2/100

10%

Network Requests Diagram

koffiezetapparaten

878 ms

analytics.js

145 ms

js

157 ms

200616_Cookies_Jos-4.jpg

260 ms

gtm.js

259 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Koffiecenter.nl, 20% (13 requests) were made to Assets.coolblue.nl and 11% (7 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Image.coolblue.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 669.5 kB (29%)

Content Size

2.3 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koffiecenter.nl main page is 2.3 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 840.0 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 665.1 kB

  • Original 768.1 kB
  • After minification 687.2 kB
  • After compression 103.1 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 80.9 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 665.1 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 840.0 kB
  • After minification 840.0 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. Koffiecenter images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 4.4 kB

  • Original 635.1 kB
  • After minification 635.1 kB
  • After compression 630.7 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

-0%

Potential reduce by 0 B

  • Original 58.6 kB
  • After minification 58.6 kB
  • After compression 58.6 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. Koffiecenter.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (24%)

Requests Now

55

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koffiecenter. 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

koffiezetapparaten

koffiezetapparaten

878 ms

analytics.js

analytics.js

145 ms

js

js

157 ms

200616_Cookies_Jos-4.jpg

200616_Cookies_Jos-4.jpg

260 ms

gtm.js

gtm.js

259 ms

d81cd28a6839089a7eb440cb9b4e2b32

d81cd28a6839089a7eb440cb9b4e2b32

700 ms

_BUBMrCgszo

_BUBMrCgszo

365 ms

loadCSSAsync.a95ab9098c0e4beaf171.js

loadCSSAsync.a95ab9098c0e4beaf171.js

199 ms

vendor.ca9eb30979e741cf9569.js

vendor.ca9eb30979e741cf9569.js

273 ms

global.be6bacbc418cd3db6dd8.js

global.be6bacbc418cd3db6dd8.js

273 ms

global.17dcc10a2310cc19c494.js

global.17dcc10a2310cc19c494.js

242 ms

d81cd28a6839089a7eb440cb9b4e2b32

d81cd28a6839089a7eb440cb9b4e2b32

659 ms

d81cd28a6839089a7eb440cb9b4e2b32

d81cd28a6839089a7eb440cb9b4e2b32

688 ms

c3f2c1a87f6a21eac9326925d464f5a7

c3f2c1a87f6a21eac9326925d464f5a7

699 ms

531b690e06646650291feb0e0c9ffdbd

531b690e06646650291feb0e0c9ffdbd

687 ms

53746f22dca4efd38b0105c6caa0c6c9

53746f22dca4efd38b0105c6caa0c6c9

688 ms

8c2ad53e32e40d8ae3e2e923a5d4132e

8c2ad53e32e40d8ae3e2e923a5d4132e

698 ms

c3f2c1a87f6a21eac9326925d464f5a7

c3f2c1a87f6a21eac9326925d464f5a7

923 ms

531b690e06646650291feb0e0c9ffdbd

531b690e06646650291feb0e0c9ffdbd

1006 ms

53746f22dca4efd38b0105c6caa0c6c9

53746f22dca4efd38b0105c6caa0c6c9

915 ms

8c2ad53e32e40d8ae3e2e923a5d4132e

8c2ad53e32e40d8ae3e2e923a5d4132e

914 ms

92fc5868d233c1767be535ee96de82c5

92fc5868d233c1767be535ee96de82c5

916 ms

368f61be70c0b6dac38d78ead230b64d

368f61be70c0b6dac38d78ead230b64d

917 ms

68576a2a4bb025ec5346c924977651a6

68576a2a4bb025ec5346c924977651a6

1136 ms

0624debc46d542a26dddcdc10b0a278e

0624debc46d542a26dddcdc10b0a278e

1156 ms

27061267cb7b1d0156ad7ac07c329ddc

27061267cb7b1d0156ad7ac07c329ddc

1095 ms

9c832ec3ae24c9c2b26f6594a998b3f8

9c832ec3ae24c9c2b26f6594a998b3f8

1156 ms

cf4612118179db54d49ceb0c921a224f

cf4612118179db54d49ceb0c921a224f

1292 ms

ba6c86c3ad5f22748fa90b6bab8ce78f

ba6c86c3ad5f22748fa90b6bab8ce78f

1207 ms

d9677bb5d330cd2639788e4882451168

d9677bb5d330cd2639788e4882451168

1484 ms

1783759

1783759

1349 ms

1843817

1843817

1360 ms

1714008

1714008

1393 ms

1792463

1792463

1627 ms

1460362

1460362

1516 ms

1798898

1798898

1570 ms

c015c516b263c0b0ea307df5596aa48a

c015c516b263c0b0ea307df5596aa48a

1799 ms

ae3a8df85aea7c7074f045ffd7ca4e35

ae3a8df85aea7c7074f045ffd7ca4e35

1802 ms

858aec9f4a66226f2883c7175d764d18

858aec9f4a66226f2883c7175d764d18

1772 ms

363f9beaf6163c534e28a5ce058346c3

363f9beaf6163c534e28a5ce058346c3

1763 ms

45b42a8e5d7cdadf6728c6c695ac2f6f

45b42a8e5d7cdadf6728c6c695ac2f6f

1973 ms

e7a3a293303ce122033011a32fa3d4b7

e7a3a293303ce122033011a32fa3d4b7

1858 ms

548307

548307

2008 ms

cat-in-box-320px.jpg

cat-in-box-320px.jpg

197 ms

label-right_nl.svg

label-right_nl.svg

237 ms

open-sans-v14-latin-regular.woff

open-sans-v14-latin-regular.woff

258 ms

open-sans-v14-latin-600.woff

open-sans-v14-latin-600.woff

258 ms

open-sans-v14-latin-700.woff

open-sans-v14-latin-700.woff

279 ms

iframe_api

iframe_api

144 ms

dobraslab-medium-webfont.woff

dobraslab-medium-webfont.woff

105 ms

aebl____-webfont.woff

aebl____-webfont.woff

105 ms

dobraslab-book-webfont.woff

dobraslab-book-webfont.woff

105 ms

www-player.css

www-player.css

6 ms

www-embed-player.js

www-embed-player.js

24 ms

base.js

base.js

68 ms

www-widgetapi.js

www-widgetapi.js

45 ms

ad_status.js

ad_status.js

149 ms

vTEfc-jlr9e_tfMt-BR8Zcc1_6XGLRk25TFtjqWuknE.js

vTEfc-jlr9e_tfMt-BR8Zcc1_6XGLRk25TFtjqWuknE.js

117 ms

embed.js

embed.js

43 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

45 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

46 ms

id

id

18 ms

Create

Create

105 ms

GenerateIT

GenerateIT

14 ms

Accessibility Review

koffiecenter.nl accessibility score

90

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

koffiecenter.nl best practices score

83

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

koffiecenter.nl SEO score

89

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

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 Koffiecenter.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 Koffiecenter.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

koffiecenter.nl

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