Report Summary

  • 7

    Performance

    Renders faster than
    21% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 85% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

las.ch

Boarding School in Switzerland - Leysin American School

Page Load Speed

3.8 sec in total

First Response

497 ms

Resources Loaded

2.6 sec

Page Rendered

673 ms

las.ch screenshot

About Website

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

Leysin American School is a prestigious international Boarding School in Switzerland for grades 7-12. We offer exceptional IB, AP, and ESL programs.

Visit las.ch

Key Findings

We analyzed Las.ch page load time and found that the first response time was 497 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

las.ch performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value5,050 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.41

24/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

Network Requests Diagram

www.las.ch

497 ms

2becc960-37fb-429b-9185-a2f2f6d8f1b0.css

21 ms

6c78ccc3d458b75040b7ae52f8a4fea4.css

291 ms

1f66d0e0c3b5ba059ec1441c6b19eb30.js

370 ms

js_composer_front.min.js

275 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 38% of them (33 requests) were addressed to the original Las.ch, 20% (18 requests) were made to Google.com and 13% (11 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (691 ms) belongs to the original domain Las.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (43%)

Content Size

4.1 MB

After Optimization

2.3 MB

In fact, the total size of Las.ch main page is 4.1 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. 70% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 121.8 kB

  • Original 136.7 kB
  • After minification 136.5 kB
  • After compression 14.9 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 121.8 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 4.8 kB

  • Original 1.9 MB
  • After minification 1.9 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. Las images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 927.1 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 371.8 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 927.1 kB or 71% of the original size.

CSS Optimization

-89%

Potential reduce by 708.1 kB

  • Original 796.1 kB
  • After minification 789.7 kB
  • After compression 88.0 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. Las.ch needs all CSS files to be minified and compressed as it can save up to 708.1 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (29%)

Requests Now

76

After Optimization

54

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Las. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

las.ch accessibility score

94

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-hidden="true"] elements contain focusable descendents

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

Links do not have a discernible name

Best Practices

las.ch 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

las.ch SEO score

91

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Las.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 Las.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

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