Report Summary

  • 41

    Performance

    Renders faster than
    61% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

edv-buchversand.de

edv-buchversand.de | Software & Fachbücher online kaufen

Page Load Speed

4 sec in total

First Response

326 ms

Resources Loaded

3.3 sec

Page Rendered

324 ms

edv-buchversand.de screenshot

About Website

Click here to check amazing Edv Buchversand content for Germany. Otherwise, check out these important facts you probably never knew about edv-buchversand.de

Aktuelle Software & Fachbücher zu Computerwissen und Fotografie finden Sie in unserem Online-Shop. Jetzt sicher einkaufen.

Visit edv-buchversand.de

Key Findings

We analyzed Edv-buchversand.de page load time and found that the first response time was 326 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

edv-buchversand.de performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value370 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

edv-buchversand.de

326 ms

www.edv-buchversand.de

492 ms

jfw8jms.js

312 ms

browserimport.php

456 ms

browserimport.php

197 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 92% of them (80 requests) were addressed to the original Edv-buchversand.de, 1% (1 request) were made to Use.typekit.net and 1% (1 request) were made to Iolo.de. The less responsive or slowest element that took the longest time to load (857 ms) belongs to the original domain Edv-buchversand.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 697.5 kB (22%)

Content Size

3.2 MB

After Optimization

2.5 MB

In fact, the total size of Edv-buchversand.de main page is 3.2 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. 70% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 119.0 kB

  • Original 145.8 kB
  • After minification 141.4 kB
  • After compression 26.7 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 119.0 kB or 82% of the original size.

Image Optimization

-18%

Potential reduce by 549.2 kB

  • Original 3.0 MB
  • After minification 2.4 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. Obviously, Edv Buchversand needs image optimization as it can save up to 549.2 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 29.3 kB

  • Original 44.9 kB
  • After minification 44.9 kB
  • After compression 15.6 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 29.3 kB or 65% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (23%)

Requests Now

84

After Optimization

65

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Edv Buchversand. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

edv-buchversand.de accessibility score

71

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

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

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

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>).

High

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

Best Practices

edv-buchversand.de best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

edv-buchversand.de SEO score

62

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Edv-buchversand.de 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 Edv-buchversand.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

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