4.5 sec in total
319 ms
3.9 sec
253 ms
Welcome to studentbook.de homepage info - get ready to check Studentbook best content for Germany right away, or after learning these important things about studentbook.de
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Visit studentbook.deWe analyzed Studentbook.de page load time and found that the first response time was 319 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
studentbook.de performance score
name
value
score
weighting
Value6.1 s
3/100
10%
Value7.6 s
4/100
25%
Value9.7 s
10/100
10%
Value730 ms
41/100
30%
Value0.006
100/100
15%
Value9.9 s
27/100
10%
319 ms
1003 ms
145 ms
294 ms
336 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 73% of them (27 requests) were addressed to the original Studentbook.de, 8% (3 requests) were made to Ajax.googleapis.com and 5% (2 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Studentbook.de.
Page size can be reduced by 473.9 kB (57%)
836.6 kB
362.7 kB
In fact, the total size of Studentbook.de main page is 836.6 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. CSS take 365.1 kB which makes up the majority of the site volume.
Potential reduce by 19.0 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 19.0 kB or 73% of the original size.
Potential reduce by 618 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. Studentbook images are well optimized though.
Potential reduce by 148.5 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 148.5 kB or 72% of the original size.
Potential reduce by 305.8 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. Studentbook.de needs all CSS files to be minified and compressed as it can save up to 305.8 kB or 84% of the original size.
Number of requests can be reduced by 24 (69%)
35
11
The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Studentbook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
studentbook.de
319 ms
index.cgi
1003 ms
style.css
145 ms
main-stud.css
294 ms
follow.css
336 ms
home.css
351 ms
screen.css
364 ms
aktion.css
361 ms
bootstrap.css
683 ms
hover.js
432 ms
switch.js
474 ms
sorttable.js
594 ms
jquery-ui.css
35 ms
jquery.min.js
42 ms
jquery-ui.min.js
53 ms
plugins.js
508 ms
easySlider1.7.js
497 ms
hide.js
569 ms
shopFunctions.js
612 ms
prettyPhoto.css
648 ms
jquery.prettyPhoto.js
751 ms
jquery-ui.css
57 ms
jquery-ui.js
59 ms
jquery.prettyPhoto.js
714 ms
css
55 ms
ga.js
20 ms
__utm.gif
29 ms
bodybg.jpg
153 ms
Banner.gif
1108 ms
logo.png
245 ms
25484.jpg
585 ms
pfeil.gif
161 ms
clown.png
365 ms
asus_education.png
708 ms
animated-loading-bar.gif
509 ms
X51A174497019170B83C22E4782041542.js
681 ms
style.css
4 ms
studentbook.de accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
studentbook.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
studentbook.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 uses legible font sizes
Tap targets are not sized appropriately
DE
DE
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Studentbook.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 Studentbook.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.
studentbook.de
Open Graph description is not detected on the main page of Studentbook. 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: