Report Summary

  • 72

    Performance

    Renders faster than
    83% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 85% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

avmedien.net

AV-Medien Onlineshop

Page Load Speed

2.4 sec in total

First Response

521 ms

Resources Loaded

1.7 sec

Page Rendered

177 ms

avmedien.net screenshot

About Website

Click here to check amazing AV Medien content for Germany. Otherwise, check out these important facts you probably never knew about avmedien.net

AV-Medien bietet Unterrichtshilfen (Overheadfolien) aus den Breichen Biologie und Kunst für den Einsatz in Schulen und anderen Bildungseinrichtungen an.

Visit avmedien.net

Key Findings

We analyzed Avmedien.net page load time and found that the first response time was 521 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

avmedien.net performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

Network Requests Diagram

avmedien.net

521 ms

stylesheet.css

351 ms

jquery.fancybox-1.3.2.css

340 ms

jquery.min.js

32 ms

jquery.fancybox-1.3.2.pack.js

344 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 97% of them (28 requests) were addressed to the original Avmedien.net, 3% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (760 ms) belongs to the original domain Avmedien.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 81.8 kB (25%)

Content Size

327.9 kB

After Optimization

246.1 kB

In fact, the total size of Avmedien.net main page is 327.9 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 237.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 18.6 kB

  • Original 22.6 kB
  • After minification 21.5 kB
  • After compression 4.1 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 18.6 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 8.1 kB

  • Original 237.2 kB
  • After minification 229.2 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. AV Medien images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 10.1 kB

  • Original 15.2 kB
  • After minification 14.7 kB
  • After compression 5.1 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 10.1 kB or 66% of the original size.

CSS Optimization

-85%

Potential reduce by 45.1 kB

  • Original 52.9 kB
  • After minification 40.9 kB
  • After compression 7.8 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. Avmedien.net needs all CSS files to be minified and compressed as it can save up to 45.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (25%)

Requests Now

28

After Optimization

21

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AV Medien. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

avmedien.net 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.

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

Best Practices

avmedien.net 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

SEO Factors

avmedien.net SEO score

67

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-15

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Avmedien.net can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Avmedien.net main page’s claimed encoding is iso-8859-15. 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 AV Medien. 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: