Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

elektronikschule.de

est | Elektronikschule Tettnang :: Vorsprung durch Bildung - est | Gewerbliche Schulen :: Ausbildung :: Weiterbildung

Page Load Speed

6.5 sec in total

First Response

402 ms

Resources Loaded

4.3 sec

Page Rendered

1.8 sec

About Website

Click here to check amazing Elektronikschule content for Germany. Otherwise, check out these important facts you probably never knew about elektronikschule.de

Die Elektronikschule Tettnang ist Ihr Partner für Aus- und Weiterbildung in Inno­vations­technologien der Elektro­technik - insbesondere in der Automatisierungs-, Informations- und Kommuni­kations­tec...

Visit elektronikschule.de

Key Findings

We analyzed Elektronikschule.de page load time and found that the first response time was 402 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

elektronikschule.de performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

elektronikschule.de

402 ms

www.elektronikschule.de

886 ms

jcemediabox.min.css

210 ms

content.css

309 ms

modal.css

310 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that all of those requests were addressed to Elektronikschule.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Elektronikschule.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (15%)

Content Size

8.5 MB

After Optimization

7.2 MB

In fact, the total size of Elektronikschule.de main page is 8.5 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. 50% of websites need less resources to load. Images take 7.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 57.6 kB

  • Original 69.5 kB
  • After minification 66.1 kB
  • After compression 11.9 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 57.6 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 439.4 kB

  • Original 7.4 MB
  • After minification 7.0 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. Elektronikschule images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 426.4 kB

  • Original 602.6 kB
  • After minification 578.8 kB
  • After compression 176.2 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 426.4 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 316.1 kB

  • Original 378.2 kB
  • After minification 335.6 kB
  • After compression 62.1 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. Elektronikschule.de needs all CSS files to be minified and compressed as it can save up to 316.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (48%)

Requests Now

85

After Optimization

44

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Elektronikschule. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

elektronikschule.de accessibility score

81

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

elektronikschule.de 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

elektronikschule.de SEO score

82

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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