Tools & Wizards About Us
rosey.ch screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

rosey.ch

Institut Le Rosey | World-renowned Swiss Boarding School

Page Load Speed

5.9 sec in total

First Response

1.1 sec

Resources Loaded

4.3 sec

Page Rendered

473 ms

rosey.ch screenshot

About Website

Visit rosey.ch now to see the best up-to-date Rosey content for United States and also check out these interesting facts you probably never knew about rosey.ch

A leading boarding school in Switzerland. Where rich tradition meets modern outlook. Bilingual learning in an international community. A School for life.

Visit rosey.ch

Key Findings

We analyzed Rosey.ch page load time and found that the first response time was 1.1 sec and then it took 4.8 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

rosey.ch performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value17.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.4 s

0/100

25%

SI (Speed Index)

Value17.6 s

0/100

10%

TBT (Total Blocking Time)

Value390 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.123

84/100

15%

TTI (Time to Interactive)

Value28.5 s

0/100

10%

Network Requests Diagram

www.rosey.ch

1109 ms

timeline.css

423 ms

jquery.mCustomScrollbar.css

318 ms

prettyPhoto.css

424 ms

font-awesome.css

318 ms

Our browser made a total of 149 requests to load all elements on the main page. We found that 81% of them (121 requests) were addressed to the original Rosey.ch, 11% (17 requests) were made to Fonts.gstatic.com and 3% (4 requests) were made to App.friendlyanalytics.ch. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Rosey.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 MB (56%)

Content Size

4.8 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rosey.ch main page is 4.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. CSS take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 82.0 kB

  • Original 100.8 kB
  • After minification 97.1 kB
  • After compression 18.7 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 82.0 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 307 B

  • Original 1.5 MB
  • After minification 1.5 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. Rosey images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 1.0 MB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 380.4 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 1.0 MB or 73% of the original size.

CSS Optimization

-87%

Potential reduce by 1.6 MB

  • Original 1.8 MB
  • After minification 1.8 MB
  • After compression 234.1 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. Rosey.ch needs all CSS files to be minified and compressed as it can save up to 1.6 MB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 103 (81%)

Requests Now

127

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rosey. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 80 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.rosey.ch

www.rosey.ch

1109 ms

timeline.css

timeline.css

423 ms

jquery.mCustomScrollbar.css

jquery.mCustomScrollbar.css

318 ms

prettyPhoto.css

prettyPhoto.css

424 ms

font-awesome.css

font-awesome.css

318 ms

themify-icons.css

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420 ms

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316 ms

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323 ms

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1043 ms

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33 ms

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874 ms

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946 ms

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1084 ms

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1080 ms

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1080 ms

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1081 ms

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183 ms

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669 ms

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633 ms

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Accessibility Review

rosey.ch accessibility score

77

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

rosey.ch best practices score

75

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

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

rosey.ch SEO score

92

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

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 Rosey.ch 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 Rosey.ch 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

rosey.ch

Open Graph data is detected on the main page of Rosey. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: