Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

baumackerschule.ch

Privatschule Zürich Oerlikon mit Sekundarschule A und B - Baumackerschule

Page Load Speed

2.3 sec in total

First Response

488 ms

Resources Loaded

1.6 sec

Page Rendered

162 ms

baumackerschule.ch screenshot

About Website

Visit baumackerschule.ch now to see the best up-to-date Baumackerschule content and also check out these interesting facts you probably never knew about baumackerschule.ch

Baumackerschule, die staatlich anerkannte Privatschule (mit Sekundarschule A und B) in Zürich Oerlikon. Wir bieten als Tagesschule eine enge Begleitung bis zur Wunsch-Berufslehre.

Visit baumackerschule.ch

Key Findings

We analyzed Baumackerschule.ch page load time and found that the first response time was 488 ms and then it took 1.8 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

baumackerschule.ch performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

65/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value1,180 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

baumackerschule.ch

488 ms

start.css

104 ms

logo_baumacker.gif

202 ms

start_020.jpg

592 ms

piwik.js

593 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that 80% of them (4 requests) were addressed to the original Baumackerschule.ch, 20% (1 request) were made to Statistik.dtp-atelier.com. The less responsive or slowest element that took the longest time to load (593 ms) relates to the external source Statistik.dtp-atelier.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 40.4 kB (22%)

Content Size

185.0 kB

After Optimization

144.6 kB

In fact, the total size of Baumackerschule.ch main page is 185.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 125.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 4.6 kB

  • Original 6.3 kB
  • After minification 6.1 kB
  • After compression 1.8 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 4.6 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 989 B

  • Original 125.1 kB
  • After minification 124.1 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. Baumackerschule images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 33.3 kB

  • Original 51.5 kB
  • After minification 51.5 kB
  • After compression 18.2 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 33.3 kB or 65% of the original size.

CSS Optimization

-75%

Potential reduce by 1.6 kB

  • Original 2.1 kB
  • After minification 1.7 kB
  • After compression 537 B

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. Baumackerschule.ch needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 75% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Baumackerschule. According to our analytics all requests are already optimized.

Accessibility Review

baumackerschule.ch accessibility score

94

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

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

baumackerschule.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

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

baumackerschule.ch SEO score

92

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Baumackerschule.ch can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Baumackerschule.ch main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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