Tools & Wizards About Us
cosstores.pl screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

cosstores.pl

COS - Contemporary Style, Designed To Last - Shop Online - WW

Page Load Speed

1.7 sec in total

First Response

62 ms

Resources Loaded

1.4 sec

Page Rendered

213 ms

cosstores.pl screenshot

About Website

Click here to check amazing COS Stores content. Otherwise, check out these important facts you probably never knew about cosstores.pl

Innovative design. Wardrobe essentials. More sustainable collections: COS is a fashion brand for women and men. Explore now.

Visit cosstores.pl

Key Findings

We analyzed Cosstores.pl page load time and found that the first response time was 62 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

cosstores.pl performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value2,870 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value1.233

1/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

index.html

62 ms

12325642374.js

126 ms

modernizr-custom.min.js

61 ms

frontend.min.7796dbd63e9b074c54669fba52f2246f.css

100 ms

idservice.cosstores.com

434 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Cosstores.pl, 9% (3 requests) were made to Cdn.cookielaw.org and 3% (1 request) were made to Cdn-pci.optimizely.com. The less responsive or slowest element that took the longest time to load (490 ms) relates to the external source Cos.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 214.7 kB (42%)

Content Size

517.1 kB

After Optimization

302.3 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Cosstores.pl main page is 517.1 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. 70% of websites need less resources to load. Javascripts take 295.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 102.7 kB

  • Original 124.7 kB
  • After minification 105.8 kB
  • After compression 22.0 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 18.9 kB, which is 15% 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 102.7 kB or 82% of the original size.

JavaScript Optimization

-37%

Potential reduce by 108.9 kB

  • Original 295.7 kB
  • After minification 295.1 kB
  • After compression 186.8 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 108.9 kB or 37% of the original size.

CSS Optimization

-3%

Potential reduce by 3.1 kB

  • Original 96.7 kB
  • After minification 96.6 kB
  • After compression 93.5 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. Cosstores.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (86%)

Requests Now

28

After Optimization

4

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of COS Stores. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

index.html

index.html

62 ms

12325642374.js

12325642374.js

126 ms

modernizr-custom.min.js

modernizr-custom.min.js

61 ms

frontend.min.7796dbd63e9b074c54669fba52f2246f.css

frontend.min.7796dbd63e9b074c54669fba52f2246f.css

100 ms

idservice.cosstores.com

idservice.cosstores.com

434 ms

touchpoint.js

touchpoint.js

60 ms

componentsloader.js

componentsloader.js

77 ms

579375e1

579375e1

86 ms

OtAutoBlock.js

OtAutoBlock.js

57 ms

otSDKStub.js

otSDKStub.js

73 ms

headindex.htmlclientlibs.min.0f5f51b58fb0ef4da4cced68ea936530.css

headindex.htmlclientlibs.min.0f5f51b58fb0ef4da4cced68ea936530.css

283 ms

index.htmlclientlibs.min.a838ebced1fb1291141a60473e543c35.js

index.htmlclientlibs.min.a838ebced1fb1291141a60473e543c35.js

291 ms

index.htmlclientlibs.min.7cdb9097fbdf16ed31e5cacf3f9e7e66.css

index.htmlclientlibs.min.7cdb9097fbdf16ed31e5cacf3f9e7e66.css

306 ms

index.htmlclientlibs.min.dc006fc0196ed45fb88c05a66fe1dbb8.css

index.htmlclientlibs.min.dc006fc0196ed45fb88c05a66fe1dbb8.css

431 ms

index.htmlclientlibs.min.a459f387d988e54dc43323b6c827e348.js

index.htmlclientlibs.min.a459f387d988e54dc43323b6c827e348.js

429 ms

index.htmlclientlibs.min.d98b10ba79a69aeeba44b5288b2d9bd7.css

index.htmlclientlibs.min.d98b10ba79a69aeeba44b5288b2d9bd7.css

465 ms

components.min.f6d93e08f3a163a7bd2c82bb93e9f3f2.js

components.min.f6d93e08f3a163a7bd2c82bb93e9f3f2.js

441 ms

jquery.min.8fb8fee4fcc3cc86ff6c724154c49c42.js

jquery.min.8fb8fee4fcc3cc86ff6c724154c49c42.js

445 ms

head.min.30aaf43eb4d3cb66c383c92300b55a6d.js

head.min.30aaf43eb4d3cb66c383c92300b55a6d.js

443 ms

application.min.96f69e0aab3901187529d94fa52213ee.js

application.min.96f69e0aab3901187529d94fa52213ee.js

442 ms

frontend.min.f425944daa3345fbd397abefcd7761e4.js

frontend.min.f425944daa3345fbd397abefcd7761e4.js

489 ms

controllers.min.2c46934859a3b8b59aebbc9f0c4047e4.js

controllers.min.2c46934859a3b8b59aebbc9f0c4047e4.js

469 ms

rakuten.min.f90d18b4f574759ac738ad3dfe956901.js

rakuten.min.f90d18b4f574759ac738ad3dfe956901.js

464 ms

global_Clientlib.min.6de1510c06ac0e3897f4ec3a500da4de.js

global_Clientlib.min.6de1510c06ac0e3897f4ec3a500da4de.js

466 ms

genericpage_Clientlib.min.febc3cce433e62347ee6e44b4bf27f30.js

genericpage_Clientlib.min.febc3cce433e62347ee6e44b4bf27f30.js

466 ms

LoadChat-COS.js

LoadChat-COS.js

368 ms

EGYGsUPUMB

EGYGsUPUMB

490 ms

LUXKG-8TSQV-FE4Z9-UKF2U-RKMTQ

LUXKG-8TSQV-FE4Z9-UKF2U-RKMTQ

91 ms

e8e7dcce-ab83-45b8-ab11-5e9b15c0ce1c.json

e8e7dcce-ab83-45b8-ab11-5e9b15c0ce1c.json

89 ms

app001prod

app001prod

126 ms

https://:0/

https://:0/

74 ms

SuisseIntl-Regular.otf

SuisseIntl-Regular.otf

203 ms

cos-icons.woff

cos-icons.woff

202 ms

location

location

54 ms

Accessibility Review

cosstores.pl accessibility score

91

Accessibility Issues

ARIA

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.

Impact

Issue

High

[role]s are not contained by their required parent element

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

cosstores.pl 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

Missing source maps for large first-party JavaScript

SEO Factors

cosstores.pl SEO score

82

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cosstores.pl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Cosstores.pl 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

cosstores.pl

Open Graph data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: