3.7 sec in total
754 ms
2.7 sec
223 ms
Click here to check amazing Booklooker content for Germany. Otherwise, check out these important facts you probably never knew about booklooker.de
Marktplatz für gebrauchte & antiquarische Bücher ✓ kaufen & verkaufen ✓ Preisvergleich ✓ Käuferschutz ✓ Wir ♥ Bücher!
Visit booklooker.deWe analyzed Booklooker.de page load time and found that the first response time was 754 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
booklooker.de performance score
name
value
score
weighting
Value3.7 s
28/100
10%
Value8.3 s
2/100
25%
Value6.6 s
37/100
10%
Value1,830 ms
9/100
30%
Value0
100/100
15%
Value8.3 s
40/100
10%
754 ms
192 ms
522 ms
394 ms
394 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 48% of them (16 requests) were addressed to the original Booklooker.de, 27% (9 requests) were made to Images.booklooker.de and 15% (5 requests) were made to Static.booklooker.de. The less responsive or slowest element that took the longest time to load (767 ms) relates to the external source Images.booklooker.de.
Page size can be reduced by 73.4 kB (25%)
289.7 kB
216.3 kB
In fact, the total size of Booklooker.de main page is 289.7 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. 20% of websites need less resources to load. Javascripts take 91.3 kB which makes up the majority of the site volume.
Potential reduce by 55.3 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 55.3 kB or 84% of the original size.
Potential reduce by 18 B
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. Booklooker images are well optimized though.
Potential reduce by 7.6 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. This website has mostly compressed JavaScripts.
Potential reduce by 10.5 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. Booklooker.de needs all CSS files to be minified and compressed as it can save up to 10.5 kB or 22% of the original size.
Number of requests can be reduced by 8 (26%)
31
23
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Booklooker. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
www.booklooker.de
754 ms
font__2405021437.css
192 ms
jquery.ui.autocomplete.min.css
522 ms
booklooker.gen__2405021437.css
394 ms
cookieyes_custom__2405021437.js
394 ms
google_tag_manager__2405021437.js
402 ms
script.js
33 ms
jquery.min.js
538 ms
jquery.hoverIntent.min.js
510 ms
main__2405021437.js
309 ms
jquery.ui.autocomplete.min.js
510 ms
jquery.ui.autocomplete.html.js
510 ms
gtm.js
130 ms
log
478 ms
bewertungen_hd_mobile.png
162 ms
Mely-Kiyak+Herr-Kiyak-dachte-jetzt-f%C3%A4ngt-der-sch%C3%B6ne-Teil-des-Lebens-an.jpg
554 ms
Bernhard-Schlink+Das-sp%C3%A4te-Leben.jpg
556 ms
Salman-Rushdie+Knife.jpg
565 ms
Rhonda-Byrne+The-secret.jpg
565 ms
Paul-Auster+4-3-2-1.jpg
566 ms
Lea-Ypi+Frei-Erwachsenwerden-am-Ende-der-Geschichte.jpg
565 ms
Tina-N-Martin+Apfelm%C3%A4dchen-Thriller.jpg
644 ms
Juli-Urban-Zeh+Zwischen-Welten.jpg
662 ms
Freida-McFadden+Sie-kann-dich-h%C3%B6ren-Thriller-Millie-ist-zur%C3%BCck-Der-neue-Thriller-der-SPIEGEL.jpg
767 ms
booklooker-logo.svg
134 ms
basket.svg
135 ms
bewertungen_hd.png
136 ms
english.svg
135 ms
mediatype.svg
231 ms
makepage.svg
251 ms
infobox.svg
251 ms
gebrauchte-buecher-kaufen_01.jpg
230 ms
dummy.gif
229 ms
booklooker.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Links do not have a discernible name
booklooker.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
booklooker.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
Document doesn't use legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Booklooker.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 Booklooker.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.
booklooker.de
Open Graph description is not detected on the main page of Booklooker. 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: