Tools & Wizards About Us
krys.fr screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

krys.fr

Opticien Krys : Lunettes, Lunettes de soleil et Lentilles

Page Load Speed

8 sec in total

First Response

1.7 sec

Resources Loaded

4.9 sec

Page Rendered

1.4 sec

krys.fr screenshot

About Website

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

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.fr

Key Findings

We analyzed Krys.fr page load time and found that the first response time was 1.7 sec and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

krys.fr performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

42/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value860 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

www.krys.com

1717 ms

bootstrap.min.css

162 ms

bootstrap-theme.min.css

160 ms

swiper.min.css

143 ms

myopia-simulator.css

144 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Krys.fr, 42% (50 requests) were made to Krys.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Krys-krys-storage.omn.proximis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 842.2 kB (9%)

Content Size

9.0 MB

After Optimization

8.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Krys.fr main page is 9.0 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 8.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 672.9 kB

  • Original 768.2 kB
  • After minification 701.3 kB
  • After compression 95.3 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 672.9 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 139.7 kB

  • Original 8.1 MB
  • After minification 8.0 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 29.5 kB

  • Original 113.5 kB
  • After minification 113.5 kB
  • After compression 83.9 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 29.5 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (33%)

Requests Now

112

After Optimization

75

  • Images
  • JavaScript
  • CSS

The browser has sent 112 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 33 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

1717 ms

bootstrap.min.css

bootstrap.min.css

162 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

160 ms

swiper.min.css

swiper.min.css

143 ms

myopia-simulator.css

myopia-simulator.css

144 ms

styles.css

styles.css

166 ms

blocks.css

blocks.css

180 ms

jquery.min.js

jquery.min.js

319 ms

bootstrap.min.js

bootstrap.min.js

111 ms

angular.min.js

angular.min.js

450 ms

angular-cookies.min.js

angular-cookies.min.js

318 ms

angular-animate.min.js

angular-animate.min.js

201 ms

angular-messages.min.js

angular-messages.min.js

316 ms

ua-parser.min.js

ua-parser.min.js

202 ms

ui-bootstrap-tpls.min.js

ui-bootstrap-tpls.min.js

378 ms

ng-infinite-scroll.min.js

ng-infinite-scroll.min.js

316 ms

nouislider.min.js

nouislider.min.js

440 ms

proximisIntl.js

proximisIntl.js

331 ms

rbs-change-app.js

rbs-change-app.js

501 ms

commerce.js

commerce.js

443 ms

menu.js

menu.js

331 ms

is-scroll.js

is-scroll.js

332 ms

anchors.js

anchors.js

498 ms

swiper.min.js

swiper.min.js

380 ms

swiper.js

swiper.js

383 ms

commonpopin.js

commonpopin.js

513 ms

bundle.min.js

bundle.min.js

587 ms

trapfocus.js

trapfocus.js

577 ms

skiplink.js

skiplink.js

496 ms

input-phone-number.js

input-phone-number.js

497 ms

date-picker.js

date-picker.js

643 ms

element-qsa-scope.js

element-qsa-scope.js

498 ms

myopia-simulator.js

myopia-simulator.js

498 ms

angular-locale_fr-fr.js

angular-locale_fr-fr.js

500 ms

fr_FR.js

fr_FR.js

602 ms

blocks.js

blocks.js

886 ms

ng-templates.js

ng-templates.js

708 ms

finalize-change-app.js

finalize-change-app.js

476 ms

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230 ms

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382 ms

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230 ms

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536 ms

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458 ms

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459 ms

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428 ms

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507 ms

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390 ms

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1100 ms

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434 ms

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444 ms

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653 ms

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799 ms

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752 ms

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886 ms

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1092 ms

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1136 ms

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1101 ms

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1141 ms

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1101 ms

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1253 ms

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1321 ms

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1437 ms

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1516 ms

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1472 ms

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1261 ms

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1263 ms

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1503 ms

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1501 ms

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1556 ms

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1690 ms

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1874 ms

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Confiance-Regular.woff

506 ms

Confiance-Light.woff

Confiance-Light.woff

578 ms

Confiance-Thin.woff

Confiance-Thin.woff

566 ms

Confiance-Medium.woff

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607 ms

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Confiance-Bold.woff

684 ms

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667 ms

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732 ms

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1499 ms

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637 ms

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541 ms

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1354 ms

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1466 ms

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1133 ms

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1341 ms

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1153 ms

Accessibility Review

krys.fr accessibility score

72

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

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

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

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

krys.fr 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.fr SEO score

81

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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.fr 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.fr 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.fr

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: