Tools & Wizards About Us
hardloopschoenencenter.nl screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

hardloopschoenencenter.nl

Ons assortiment - Coolblue - alles voor een glimlach

Page Load Speed

5 sec in total

First Response

432 ms

Resources Loaded

4.4 sec

Page Rendered

227 ms

hardloopschoenencenter.nl screenshot

About Website

Welcome to hardloopschoenencenter.nl homepage info - get ready to check Hardloopschoenencenter best content right away, or after learning these important things about hardloopschoenencenter.nl

Bekijk 't gehele assortiment. Voor 23.59 uur besteld? Morgen in huis. Of wanneer het jou uitkomt.

Visit hardloopschoenencenter.nl

Key Findings

We analyzed Hardloopschoenencenter.nl page load time and found that the first response time was 432 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

hardloopschoenencenter.nl performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value4.5 s

71/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.531

14/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

hardloopschoenencenter.nl

432 ms

www.coolblue.nl

567 ms

analytics.js

40 ms

collect

12 ms

collect

54 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Hardloopschoenencenter.nl, 17% (10 requests) were made to Google-analytics.com and 12% (7 requests) were made to Skin.cbcdn.net. The less responsive or slowest element that took the longest time to load (863 ms) relates to the external source Image.coolblue.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 400.6 kB (54%)

Content Size

744.0 kB

After Optimization

343.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hardloopschoenencenter.nl main page is 744.0 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. 35% of websites need less resources to load. CSS take 263.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 156.7 kB

  • Original 194.4 kB
  • After minification 187.1 kB
  • After compression 37.7 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 156.7 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 5.0 kB

  • Original 193.3 kB
  • After minification 188.3 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. Hardloopschoenencenter images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 21.0 kB

  • Original 92.7 kB
  • After minification 92.7 kB
  • After compression 71.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 21.0 kB or 23% of the original size.

CSS Optimization

-83%

Potential reduce by 217.8 kB

  • Original 263.5 kB
  • After minification 263.4 kB
  • After compression 45.7 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. Hardloopschoenencenter.nl needs all CSS files to be minified and compressed as it can save up to 217.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (72%)

Requests Now

50

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hardloopschoenencenter. 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

hardloopschoenencenter.nl

hardloopschoenencenter.nl

432 ms

www.coolblue.nl

www.coolblue.nl

567 ms

analytics.js

analytics.js

40 ms

collect

collect

12 ms

collect

collect

54 ms

collect

collect

14 ms

collect

collect

14 ms

collect

collect

55 ms

ga-audiences

ga-audiences

51 ms

ga-audiences

ga-audiences

46 ms

collect

collect

18 ms

core.js

core.js

84 ms

collect

collect

18 ms

collect

collect

18 ms

jquery.min.js

jquery.min.js

69 ms

global.bb6bf6d0b874b695bc2bfc8ca3665301.js

global.bb6bf6d0b874b695bc2bfc8ca3665301.js

569 ms

everything-for-a-smile.svg

everything-for-a-smile.svg

250 ms

562 ms

everything-for-a-smile.png

everything-for-a-smile.png

252 ms

gtm.js

gtm.js

42 ms

155062

155062

863 ms

awards_sprite.png

awards_sprite.png

295 ms

155058

155058

671 ms

156405

156405

789 ms

155978

155978

757 ms

conversion_async.js

conversion_async.js

20 ms

activity;src=4498641;type=Count0;cat=1Cool0;u5=undefined;u3=www.coolblue.nl;u19=1A;u2=siteview;ord=6294220952573

activity;src=4498641;type=Count0;cat=1Cool0;u5=undefined;u3=www.coolblue.nl;u19=1A;u2=siteview;ord=6294220952573

22 ms

oct.js

oct.js

111 ms

bat.js

bat.js

186 ms

activity;src=4498641;type=Count0;cat=exper0;ord=1;num=8528941865638

activity;src=4498641;type=Count0;cat=exper0;ord=1;num=8528941865638

24 ms

44 ms

adsct

adsct

93 ms

adsct

adsct

54 ms

specialist-right-small.jpg

specialist-right-small.jpg

271 ms

global.32c99e77e00f5bd6bd544de4e522b5c2.css

global.32c99e77e00f5bd6bd544de4e522b5c2.css

242 ms

specialist-right-large.png

specialist-right-large.png

408 ms

specialist-right-medium.png

specialist-right-medium.png

341 ms

anchor_external.png

anchor_external.png

165 ms

css

css

64 ms

global-modules.7618ff105040995be2f1dc58b1be31be.css

global-modules.7618ff105040995be2f1dc58b1be31be.css

165 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

62 ms

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

61 ms

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

62 ms

aebl____-webfont.woff

aebl____-webfont.woff

93 ms

CB_icon_font_25.woff

CB_icon_font_25.woff

240 ms

payments-icons-sprite-nl.svg

payments-icons-sprite-nl.svg

345 ms

theme-corporate.868699cba4da7fdcb78b360630ad923c.css

theme-corporate.868699cba4da7fdcb78b360630ad923c.css

160 ms

tracking-tools.4e47c5d0ae4865cfb57ee9c03b0cf8bb.js

tracking-tools.4e47c5d0ae4865cfb57ee9c03b0cf8bb.js

82 ms

global.responsive.2edc96c3b33c5521ad45d1cf3c728820.js

global.responsive.2edc96c3b33c5521ad45d1cf3c728820.js

171 ms

corporate.frontpage.fe059665c61fbaf8355f9749e4d6394b.js

corporate.frontpage.fe059665c61fbaf8355f9749e4d6394b.js

171 ms

stats.ebf8cf7f88df2ad8bcaefeca96200eb7.js

stats.ebf8cf7f88df2ad8bcaefeca96200eb7.js

171 ms

picturefill.2.3.1.min.d843472c3a596c0d09d2f908e562d96f.js

picturefill.2.3.1.min.d843472c3a596c0d09d2f908e562d96f.js

171 ms

6325.js

6325.js

40 ms

s

s

83 ms

u

u

52 ms

collect

collect

40 ms

collect

collect

7 ms

collect

collect

7 ms

Accessibility Review

hardloopschoenencenter.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

hardloopschoenencenter.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

High

Missing source maps for large first-party JavaScript

SEO Factors

hardloopschoenencenter.nl SEO score

98

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    NL

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hardloopschoenencenter.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 Hardloopschoenencenter.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

hardloopschoenencenter.nl

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