Access clarks.nl. Officiële website van Clarks® Shoes | Koop schoenen voor heren, dames en kinderen

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value5,190 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.109

87/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

www.clarks.nl

1422 ms

clarks.js

89 ms

asset.axd

479 ms

global-nl-wk-SS16-wk-01c.css

468 ms

home-ss16-wk-05a-nl.css

319 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 8% of them (7 requests) were addressed to the original Clarks.nl, 61% (52 requests) were made to Cms.clarksmcr.com and 4% (3 requests) were made to Service.maxymiser.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Clarks.nl.

Content Size

1.7 MB

After Optimization

690.0 kB

In fact, the total size of Clarks.nl main page is 1.7 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. 50% of websites need less resources to load. Javascripts take 879.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 58.5 kB

Original 72.7 kB
After minification 66.7 kB
After compression 14.2 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 58.5 kB or 80% of the original size.

Image Optimization

-9%

Potential reduce by 34.9 kB

Original 410.6 kB
After minification 375.6 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. Clarks images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 628.5 kB

Original 879.3 kB
After minification 806.3 kB
After compression 250.8 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 628.5 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 276.8 kB

Original 326.3 kB
After minification 298.8 kB
After compression 49.5 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. Clarks.nl needs all CSS files to be minified and compressed as it can save up to 276.8 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Clarks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

ARIA IDs are not unique

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Clarks.nl can be misinterpreted by Google and other search engines. Our service has detected that English 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 Clarks.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

clarks.nl

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Officiële website van Clarks® Shoes | Koop schoenen voor heren, dames en kinderen

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.clarks.nl

clarks.js

asset.axd

global-nl-wk-SS16-wk-01c.css

home-ss16-wk-05a-nl.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.clarks.nl

clarks.js

asset.axd

global-nl-wk-SS16-wk-01c.css

home-ss16-wk-05a-nl.css

mmcore.js

tman.cgi

tman.cgi

eluminate.js

asset.axd

cookie-policy-script-nl.js

css

mmcore_old.js

checkout-button.png

loading-small.gif

clarks-logo.png

icon-search.png

wide-trigenic-flex.jpg

trigenic-flex-o151.jpg

hamble-oak-w199.jpg

trigenic-flex-pink-o164.jpg

gambeson-dress-m166.jpg

womens-workwear-static.jpg

christopher-raeburn-nl.jpg

desert-boots-static.jpg

clarks-shoemakers-fl.png

nl-newsletter-signup-btn.png

nl-find-store-btn.png

footer-fb-link.png

footer-youtube-link.png

feedback.gif

flags.png

payment-types-nl.png

norton-secured.gif

cookie-policy-btn.gif

confidence-ticks.png

header-login-back.png

nl-flag.gif

checkout-button.png

icon-secure.png

icon-call.png

icon-delivery.png

icon-signup.png