4.9 sec in total
1.5 sec
3.2 sec
240 ms
Welcome to bibliothek.uni-halle.de homepage info - get ready to check Bibliothek Uni Halle best content for Germany right away, or after learning these important things about bibliothek.uni-halle.de
Start auf der Webseite der Universitäts- und Landesbibliothek Sachsen-Anhalt (ULB)
Visit bibliothek.uni-halle.deWe analyzed Bibliothek.uni-halle.de page load time and found that the first response time was 1.5 sec and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
bibliothek.uni-halle.de performance score
name
value
score
weighting
Value3.1 s
47/100
10%
Value6.3 s
10/100
25%
Value4.0 s
81/100
10%
Value10 ms
100/100
30%
Value0.04
99/100
15%
Value3.4 s
93/100
10%
1452 ms
101 ms
789 ms
201 ms
34 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 91% of them (43 requests) were addressed to the original Bibliothek.uni-halle.de, 4% (2 requests) were made to Dbspixel.hbz-nrw.de and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Bibliothek.uni-halle.de.
Page size can be reduced by 97.6 kB (35%)
281.4 kB
183.8 kB
In fact, the total size of Bibliothek.uni-halle.de main page is 281.4 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. Images take 159.6 kB which makes up the majority of the site volume.
Potential reduce by 21.6 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 3.4 kB, which is 12% 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 21.6 kB or 76% of the original size.
Potential reduce by 605 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. Bibliothek Uni Halle images are well optimized though.
Potential reduce by 43.6 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 43.6 kB or 80% of the original size.
Potential reduce by 31.8 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. Bibliothek.uni-halle.de needs all CSS files to be minified and compressed as it can save up to 31.8 kB or 82% of the original size.
Number of requests can be reduced by 30 (67%)
45
15
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bibliothek 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 5 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
bibliothek.uni-halle.de
1452 ms
styles.css
101 ms
highslide.css
789 ms
ulb.css
201 ms
jquery.min.js
34 ms
dbspixel.js
298 ms
cookies.js
789 ms
wcms-fontsize.js
788 ms
highslide.js
819 ms
base.css
690 ms
navigation.css
200 ms
basemod.css
301 ms
content.css
402 ms
newsArchiv.css
503 ms
mitglied.png
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scans.gif
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l_de.gif
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er.gif
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el.gif
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s.gif
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kannte_r.jpg
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kannte_l.jpg
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signet_left.jpg
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signet_center_ulb.gif
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signet_right.jpg
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opac.gif
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punkt.gif
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pfeil.gif
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doppelpfeil_r_grau.gif
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punkt_g.gif
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email_d.gif
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plus_r1.gif
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minus_r1.gif
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europeana-ulb.png
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weihnacht.gif
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neujahr.gif
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pfeil_e.gif
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count
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er_u.gif
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el_u.gif
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drop-shadow.png
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zoomout.cur
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bibliothek.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
bibliothek.uni-halle.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
bibliothek.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
EN
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bibliothek.uni-halle.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Bibliothek.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.
bibliothek.uni-halle.de
Open Graph description is not detected on the main page of Bibliothek 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: