1.7 sec in total
323 ms
1.2 sec
177 ms
Welcome to zsb.uni-halle.de homepage info - get ready to check Zsb Uni Halle best content for Germany right away, or after learning these important things about zsb.uni-halle.de
Visit zsb.uni-halle.deWe analyzed Zsb.uni-halle.de page load time and found that the first response time was 323 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
zsb.uni-halle.de performance score
name
value
score
weighting
Value2.6 s
63/100
10%
Value2.8 s
84/100
25%
Value5.1 s
61/100
10%
Value30 ms
100/100
30%
Value0.077
95/100
15%
Value3.0 s
96/100
10%
323 ms
101 ms
200 ms
200 ms
201 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that all of those requests were addressed to Zsb.uni-halle.de and no external sources were called. The less responsive or slowest element that took the longest time to load (400 ms) belongs to the original domain Zsb.uni-halle.de.
Page size can be reduced by 90.0 kB (56%)
161.4 kB
71.4 kB
In fact, the total size of Zsb.uni-halle.de main page is 161.4 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. 20% of websites need less resources to load. Javascripts take 52.8 kB which makes up the majority of the site volume.
Potential reduce by 15.6 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. This page needs HTML code to be minified as it can gain 2.3 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 15.6 kB or 78% of the original size.
Potential reduce by 104 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. Zsb Uni Halle images are well optimized though.
Potential reduce by 42.4 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 42.4 kB or 80% of the original size.
Potential reduce by 31.9 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. Zsb.uni-halle.de needs all CSS files to be minified and compressed as it can save up to 31.9 kB or 82% of the original size.
Number of requests can be reduced by 23 (70%)
33
10
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zsb Uni Halle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for CSS and as a result speed up the page load time.
zsb.uni-halle.de
323 ms
styles.css
101 ms
highslide.css
200 ms
cookies.js
200 ms
wcms-fontsize.js
201 ms
highslide.js
203 ms
base.css
103 ms
navigation.css
201 ms
basemod.css
202 ms
content.css
205 ms
newsArchiv.css
203 ms
rtl.css
206 ms
l_de.gif
103 ms
er.gif
101 ms
el.gif
102 ms
s.gif
103 ms
kannte_r.jpg
104 ms
kannte_l.jpg
103 ms
signet_left.jpg
300 ms
signet_center.jpg
302 ms
signet_right.jpg
204 ms
lupe.gif
204 ms
punkt.gif
205 ms
pfeil.gif
203 ms
1291639928_1030_0.gif
304 ms
punkt_g.gif
302 ms
punkt_d.gif
303 ms
plus_r1.gif
303 ms
minus_r1.gif
397 ms
pdf.gif
397 ms
er_u.gif
399 ms
el_u.gif
400 ms
s_u.gif
400 ms
drop-shadow.png
102 ms
zoomout.cur
100 ms
zsb.uni-halle.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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<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
Image elements do not have [alt] attributes
zsb.uni-halle.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
zsb.uni-halle.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
DE
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zsb.uni-halle.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Zsb.uni-halle.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.
zsb.uni-halle.de
Open Graph description is not detected on the main page of Zsb Uni Halle. 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: