Tools & Wizards About Us
krys.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

krys.com

Opticien Krys : Lunettes, Lunettes de soleil et Lentilles

Page Load Speed

9.8 sec in total

First Response

2.3 sec

Resources Loaded

5.8 sec

Page Rendered

1.7 sec

krys.com screenshot

About Website

Welcome to krys.com homepage info - get ready to check Krys best content for France right away, or after learning these important things about krys.com

Retrouvez chez les Opticiens KRYS toutes les grandes marques de lunettes de vue, de lunettes de soleil, de lentilles de contact et d'appareils auditifs.

Visit krys.com

Key Findings

We analyzed Krys.com page load time and found that the first response time was 2.3 sec and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

krys.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value600 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

www.krys.com

2262 ms

bootstrap.min.css

274 ms

bootstrap-theme.min.css

126 ms

swiper.min.css

125 ms

myopia-simulator.css

128 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 41% of them (48 requests) were addressed to the original Krys.com, 59% (70 requests) were made to Krys-krys-storage.omn.proximis.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Krys.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 723.3 kB (10%)

Content Size

7.1 MB

After Optimization

6.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Krys.com main page is 7.1 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. 60% of websites need less resources to load. Images take 6.2 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 667.0 kB

  • Original 760.0 kB
  • After minification 692.6 kB
  • After compression 93.0 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. 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 667.0 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 30.0 kB

  • Original 6.2 MB
  • After minification 6.2 MB

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. Krys images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 26.3 kB

  • Original 100.9 kB
  • After minification 100.9 kB
  • After compression 74.6 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 26.3 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (32%)

Requests Now

110

After Optimization

75

  • Images
  • JavaScript
  • CSS

The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Krys. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.krys.com

www.krys.com

2262 ms

bootstrap.min.css

bootstrap.min.css

274 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

126 ms

swiper.min.css

swiper.min.css

125 ms

myopia-simulator.css

myopia-simulator.css

128 ms

styles.css

styles.css

250 ms

blocks.css

blocks.css

239 ms

jquery.min.js

jquery.min.js

226 ms

bootstrap.min.js

bootstrap.min.js

163 ms

angular.min.js

angular.min.js

162 ms

angular-cookies.min.js

angular-cookies.min.js

214 ms

angular-animate.min.js

angular-animate.min.js

183 ms

angular-messages.min.js

angular-messages.min.js

315 ms

ua-parser.min.js

ua-parser.min.js

296 ms

ui-bootstrap-tpls.min.js

ui-bootstrap-tpls.min.js

297 ms

ng-infinite-scroll.min.js

ng-infinite-scroll.min.js

535 ms

nouislider.min.js

nouislider.min.js

353 ms

proximisIntl.js

proximisIntl.js

355 ms

rbs-change-app.js

rbs-change-app.js

448 ms

commerce.js

commerce.js

404 ms

menu.js

menu.js

419 ms

is-scroll.js

is-scroll.js

461 ms

anchors.js

anchors.js

488 ms

swiper.min.js

swiper.min.js

527 ms

swiper.js

swiper.js

581 ms

commonpopin.js

commonpopin.js

553 ms

bundle.min.js

bundle.min.js

579 ms

trapfocus.js

trapfocus.js

600 ms

skiplink.js

skiplink.js

659 ms

element-qsa-scope.js

element-qsa-scope.js

651 ms

myopia-simulator.js

myopia-simulator.js

678 ms

angular-locale_fr-fr.js

angular-locale_fr-fr.js

694 ms

fr_FR.js

fr_FR.js

721 ms

blocks.js

blocks.js

913 ms

ng-templates.js

ng-templates.js

984 ms

finalize-change-app.js

finalize-change-app.js

765 ms

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387 ms

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775 ms

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750 ms

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797 ms

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478 ms

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463 ms

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438 ms

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533 ms

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442 ms

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759 ms

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743 ms

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711 ms

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741 ms

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1039 ms

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915 ms

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948 ms

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916 ms

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999 ms

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1132 ms

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1102 ms

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1337 ms

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1200 ms

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1388 ms

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1345 ms

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1416 ms

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1389 ms

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1443 ms

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1568 ms

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1865 ms

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1635 ms

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1711 ms

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1742 ms

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1877 ms

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2190 ms

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1950 ms

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2200 ms

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2043 ms

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2054 ms

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2096 ms

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Confiance-Light.woff

843 ms

Confiance-Regular.woff

Confiance-Regular.woff

929 ms

Confiance-Thin.woff

Confiance-Thin.woff

1015 ms

Confiance-Medium.woff

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1042 ms

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Confiance-Bold.woff

928 ms

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983 ms

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917 ms

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1742 ms

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1765 ms

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689 ms

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696 ms

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1859 ms

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1868 ms

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1890 ms

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1618 ms

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1685 ms

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1543 ms

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1407 ms

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1346 ms

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1174 ms

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1200 ms

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1120 ms

Accessibility Review

krys.com 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

[aria-*] attributes do not match their roles

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

krys.com 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

krys.com SEO score

88

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

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

krys.com

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