Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

ossanschulen.ch

ossanschulen.ch

Page Load Speed

2 sec in total

First Response

281 ms

Resources Loaded

1.6 sec

Page Rendered

124 ms

ossanschulen.ch screenshot

About Website

Click here to check amazing Ossans Ch Ulen content for Switzerland. Otherwise, check out these important facts you probably never knew about ossanschulen.ch

Visit ossanschulen.ch

Key Findings

We analyzed Ossanschulen.ch page load time and found that the first response time was 281 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

ossanschulen.ch performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

Network Requests Diagram

ossanschulen.ch

281 ms

www.ossanschulen.ch

436 ms

stylesheet_e9d3b3f9b4.css

93 ms

sampleCSS.css

183 ms

javascript_a708894199.js

183 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 91% of them (20 requests) were addressed to the original Ossanschulen.ch, 9% (2 requests) were made to Ch-open.ch. The less responsive or slowest element that took the longest time to load (436 ms) belongs to the original domain Ossanschulen.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.4 kB (45%)

Content Size

114.3 kB

After Optimization

62.9 kB

In fact, the total size of Ossanschulen.ch main page is 114.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 48.2 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 8.1 kB

  • Original 11.1 kB
  • After minification 9.1 kB
  • After compression 2.9 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. This page needs HTML code to be minified as it can gain 2.0 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 8.1 kB or 73% of the original size.

Image Optimization

-7%

Potential reduce by 3.6 kB

  • Original 48.2 kB
  • After minification 44.6 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. Ossans Ch Ulen images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 13.7 kB

  • Original 23.1 kB
  • After minification 23.1 kB
  • After compression 9.4 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 13.7 kB or 59% of the original size.

CSS Optimization

-82%

Potential reduce by 26.0 kB

  • Original 31.9 kB
  • After minification 23.0 kB
  • After compression 5.9 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. Ossanschulen.ch needs all CSS files to be minified and compressed as it can save up to 26.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (15%)

Requests Now

20

After Optimization

17

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ossans Ch Ulen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ossanschulen.ch accessibility score

88

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

ossanschulen.ch best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ossanschulen.ch SEO score

79

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ossanschulen.ch can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Ossanschulen.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 Ossans Ch Ulen. 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: