Tools & Wizards About Us
schule-trifft-technik.de screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

schule-trifft-technik.de

Startseite | Christiani Lehr- und Prüfungsmaterial für Schule & Ausbildung

Page Load Speed

1.4 sec in total

First Response

388 ms

Resources Loaded

1 sec

Page Rendered

52 ms

schule-trifft-technik.de screenshot

About Website

Click here to check amazing Schule Triffttechnik content for Germany. Otherwise, check out these important facts you probably never knew about schule-trifft-technik.de

Lehrmittel für die technische Aus- & Weiterbildung: Prüfungsvorbereitung✓ Prüfungsmaterial✓ Projektarbeiten✓ Fachbücher✓ Lernsoftware✓ Lehrsysteme✓

Visit schule-trifft-technik.de

Key Findings

We analyzed Schule-trifft-technik.de page load time and found that the first response time was 388 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

schule-trifft-technik.de performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value780 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

schule-trifft-technik.de

388 ms

www.christiani.de

509 ms

api.js

35 ms

recaptcha__en.js

26 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 25% of them (1 request) were addressed to the original Schule-trifft-technik.de, 25% (1 request) were made to Christiani.de and 25% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (509 ms) relates to the external source Christiani.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 kB (1%)

Content Size

217.3 kB

After Optimization

214.7 kB

  • HTML
  • JavaScript

In fact, the total size of Schule-trifft-technik.de main page is 217.3 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. Javascripts take 215.1 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 1.4 kB

  • Original 2.3 kB
  • After minification 2.3 kB
  • After compression 834 B

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 1.4 kB or 63% of the original size.

JavaScript Optimization

-1%

Potential reduce by 1.2 kB

  • Original 215.1 kB
  • After minification 215.1 kB
  • After compression 213.9 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.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • JavaScript

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schule Triffttechnik. According to our analytics all requests are already optimized.

Network Requests Diagram

schule-trifft-technik.de

schule-trifft-technik.de

388 ms

www.christiani.de

www.christiani.de

509 ms

api.js

api.js

35 ms

recaptcha__en.js

recaptcha__en.js

26 ms

Accessibility Review

schule-trifft-technik.de accessibility score

54

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

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

[id] attributes on active, focusable elements are not unique

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

schule-trifft-technik.de 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

schule-trifft-technik.de SEO score

85

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

    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 Schule-trifft-technik.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 Schule-trifft-technik.de 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

schule-trifft-technik.de

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