Tools & Wizards About Us
ebooks.de screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

ebooks.de

eBooks Neuheiten, Bestseller und Deals - bei Fitness24.de GmbH

Page Load Speed

2.5 sec in total

First Response

384 ms

Resources Loaded

1.9 sec

Page Rendered

164 ms

ebooks.de screenshot

About Website

Visit ebooks.de now to see the best up-to-date EBooks content and also check out these interesting facts you probably never knew about ebooks.de

eBooks direkt kaufen, einfach herunterladen und loslesen.

Visit ebooks.de

Key Findings

We analyzed Ebooks.de page load time and found that the first response time was 384 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

ebooks.de performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

ebooks.de

384 ms

ebooks.html

216 ms

e-books.ciando.com

513 ms

e-books.css

308 ms

jquery-ui-1.7.2.custom.css

316 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Ebooks.de, 91% (41 requests) were made to E-books.ciando.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (686 ms) relates to the external source E-books.ciando.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 205.6 kB (59%)

Content Size

351.4 kB

After Optimization

145.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ebooks.de main page is 351.4 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. 25% of websites need less resources to load. Javascripts take 160.9 kB which makes up the majority of the site volume.

HTML Optimization

-46%

Potential reduce by 239 B

  • Original 517 B
  • After minification 499 B
  • After compression 278 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 239 B or 46% of the original size.

Image Optimization

-30%

Potential reduce by 32.9 kB

  • Original 109.0 kB
  • After minification 76.0 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. Obviously, EBooks needs image optimization as it can save up to 32.9 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 103.0 kB

  • Original 160.9 kB
  • After minification 137.0 kB
  • After compression 57.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 103.0 kB or 64% of the original size.

CSS Optimization

-86%

Potential reduce by 69.4 kB

  • Original 81.0 kB
  • After minification 64.0 kB
  • After compression 11.6 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. Ebooks.de needs all CSS files to be minified and compressed as it can save up to 69.4 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (11%)

Requests Now

44

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EBooks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ebooks.de

ebooks.de

384 ms

ebooks.html

ebooks.html

216 ms

e-books.ciando.com

e-books.ciando.com

513 ms

e-books.css

e-books.css

308 ms

jquery-ui-1.7.2.custom.css

jquery-ui-1.7.2.custom.css

316 ms

e-books.js

e-books.js

322 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

428 ms

easySlider_ciando.js

easySlider_ciando.js

229 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

228 ms

easySlider_buch.js

easySlider_buch.js

340 ms

ga.js

ga.js

47 ms

hintergrund.png

hintergrund.png

117 ms

logo.png

logo.png

213 ms

pipe.png

pipe.png

104 ms

leiste_links.jpg

leiste_links.jpg

109 ms

leiste_mitte.jpg

leiste_mitte.jpg

111 ms

logo_adobe.jpg

logo_adobe.jpg

114 ms

leiste_rechts.jpg

leiste_rechts.jpg

206 ms

grauer_kasten_leer.png

grauer_kasten_leer.png

213 ms

frame_left_right.png

frame_left_right.png

216 ms

feld_suche.png

feld_suche.png

224 ms

button_los.jpg

button_los.jpg

227 ms

pfeil_expertensuche.png

pfeil_expertensuche.png

308 ms

frame_bottom.png

frame_bottom.png

320 ms

hello_l.jpg

hello_l.jpg

318 ms

hello_m.jpg

hello_m.jpg

323 ms

buecherstapel.png

buecherstapel.png

506 ms

hello_r.jpg

hello_r.jpg

341 ms

3641102456_k.jpg

3641102456_k.jpg

409 ms

detail-info.gif

detail-info.gif

424 ms

button_ebook_auswaehlen.jpg

button_ebook_auswaehlen.jpg

426 ms

3838757130_k.jpg

3838757130_k.jpg

431 ms

3426554798_k.jpg

3426554798_k.jpg

457 ms

3641138116_k.jpg

3641138116_k.jpg

512 ms

trennstrich.png

trennstrich.png

527 ms

3131589353_k.jpg

3131589353_k.jpg

531 ms

bookmark95.png

bookmark95.png

539 ms

3834886351_k.jpg

3834886351_k.jpg

571 ms

3641145953_k.jpg

3641145953_k.jpg

617 ms

3830411685_k.jpg

3830411685_k.jpg

614 ms

3830411960_k.jpg

3830411960_k.jpg

632 ms

3848244500_k.jpg

3848244500_k.jpg

637 ms

340662510X_k.jpg

340662510X_k.jpg

646 ms

bottom_line.png

bottom_line.png

686 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

ebooks.de accessibility score

57

Accessibility Issues

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

Best Practices

ebooks.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

ebooks.de SEO score

91

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

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

    ISO-8859-1

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

ebooks.de

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