Tools & Wizards About Us
tasis.ch screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

tasis.ch

TASIS The American School in Switzerland

Page Load Speed

2.6 sec in total

First Response

228 ms

Resources Loaded

1.4 sec

Page Rendered

950 ms

tasis.ch screenshot

About Website

Click here to check amazing TASIS content for Switzerland. Otherwise, check out these important facts you probably never knew about tasis.ch

Founded in 1956, TASIS is an international day and boarding school committed to creating global citizens through education, travel, and service.

Visit tasis.ch

Key Findings

We analyzed Tasis.ch page load time and found that the first response time was 228 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

tasis.ch performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value20.8 s

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value3,690 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.039

99/100

15%

TTI (Time to Interactive)

Value23.8 s

1/100

10%

Network Requests Diagram

tasis.ch

228 ms

www.tasis.ch

320 ms

gtm.js

66 ms

gtm.js

123 ms

application-bce5d22b68b57b3828b229556241a394e69dd8de5abfa2a018868e63ffc6d9cc.css

153 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 80% of them (33 requests) were addressed to the original Tasis.ch, 5% (2 requests) were made to Googletagmanager.com and 5% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (563 ms) relates to the external source Log.cookieyes.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 171.2 kB (9%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tasis.ch main page is 1.9 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. Javascripts take 794.4 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 158.5 kB

  • Original 182.5 kB
  • After minification 179.2 kB
  • After compression 24.0 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 158.5 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 11.2 kB

  • Original 762.2 kB
  • After minification 751.0 kB

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. TASIS images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 794.4 kB
  • After minification 794.4 kB
  • After compression 794.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 1.5 kB

  • Original 125.8 kB
  • After minification 125.8 kB
  • After compression 124.3 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. Tasis.ch has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (34%)

Requests Now

35

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TASIS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tasis.ch

tasis.ch

228 ms

www.tasis.ch

www.tasis.ch

320 ms

gtm.js

gtm.js

66 ms

gtm.js

gtm.js

123 ms

application-bce5d22b68b57b3828b229556241a394e69dd8de5abfa2a018868e63ffc6d9cc.css

application-bce5d22b68b57b3828b229556241a394e69dd8de5abfa2a018868e63ffc6d9cc.css

153 ms

styles.cfm

styles.cfm

190 ms

main.css

main.css

106 ms

client.css

client.css

60 ms

in_layout_head-602a1b82d3fe83f66c01d9e7a465a9fc9d4ad042fab4987ea66c36ca3703cbf3.js

in_layout_head-602a1b82d3fe83f66c01d9e7a465a9fc9d4ad042fab4987ea66c36ca3703cbf3.js

168 ms

js

js

88 ms

script.js

script.js

80 ms

font-awesome.min.css

font-awesome.min.css

60 ms

application-d0ae73b9982e07a48d326601717eda341e4fc980422a901374bafcda698e6823.js

application-d0ae73b9982e07a48d326601717eda341e4fc980422a901374bafcda698e6823.js

179 ms

main.js

main.js

89 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

77 ms

log

log

563 ms

TASIS_Logo.png

TASIS_Logo.png

95 ms

logo-switzerland_(1).svg

logo-switzerland_(1).svg

96 ms

503.full.jpg

503.full.jpg

186 ms

442.full.jpg

442.full.jpg

188 ms

506.full.jpg

506.full.jpg

186 ms

444.full.jpg

444.full.jpg

187 ms

445.full.jpg

445.full.jpg

188 ms

711.full.jpg

711.full.jpg

189 ms

1186.full.jpg

1186.full.jpg

306 ms

1070.full.jpg

1070.full.jpg

269 ms

664.full.jpg

664.full.jpg

286 ms

TASIS_one_color_website_footer.svg

TASIS_one_color_website_footer.svg

235 ms

accred-cis.png

accred-cis.png

238 ms

accred-collegeboard.png

accred-collegeboard.png

237 ms

accred-ib.png

accred-ib.png

243 ms

accred-neasc-2016.png

accred-neasc-2016.png

248 ms

accred-tabs.png

accred-tabs.png

259 ms

accred-sgis.png

accred-sgis.png

285 ms

accred-swisslearning.png

accred-swisslearning.png

289 ms

accred_DOEA.png

accred_DOEA.png

291 ms

poweredby-7fe9cdfc8db6c2419477639e585e15f5fceee483b4a26452877dabab357cb391.svg

poweredby-7fe9cdfc8db6c2419477639e585e15f5fceee483b4a26452877dabab357cb391.svg

401 ms

icomoon.woff

icomoon.woff

329 ms

icomoon-454d742e9c5c08794dd39b1de06a9589f503c027289df05bfe91885e21faf135.woff

icomoon-454d742e9c5c08794dd39b1de06a9589f503c027289df05bfe91885e21faf135.woff

364 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

87 ms

main.js

main.js

15 ms

Accessibility Review

tasis.ch 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

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

tasis.ch best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

tasis.ch SEO score

83

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 Tasis.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 Tasis.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

tasis.ch

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