3.5 sec in total
515 ms
2.7 sec
265 ms
Click here to check amazing Listserv ZIB content for Finland. Otherwise, check out these important facts you probably never knew about listserv.zib.de
Visit listserv.zib.deWe analyzed Listserv.zib.de page load time and found that the first response time was 515 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
listserv.zib.de performance score
name
value
score
weighting
Value2.6 s
64/100
10%
Value4.3 s
42/100
25%
Value5.7 s
51/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value2.6 s
98/100
10%
515 ms
717 ms
623 ms
619 ms
629 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Listserv.zib.de, 94% (33 requests) were made to Zib.de. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Zib.de.
Page size can be reduced by 78.5 kB (22%)
358.5 kB
280.0 kB
In fact, the total size of Listserv.zib.de main page is 358.5 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. 15% of websites need less resources to load. Images take 263.5 kB which makes up the majority of the site volume.
Potential reduce by 15.0 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 15.0 kB or 76% of the original size.
Potential reduce by 1.0 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. Listserv ZIB images are well optimized though.
Potential reduce by 62.5 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. Listserv.zib.de needs all CSS files to be minified and compressed as it can save up to 62.5 kB or 83% of the original size.
Number of requests can be reduced by 15 (68%)
22
7
The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Listserv ZIB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for CSS and as a result speed up the page load time.
listserv.zib.de
515 ms
system.base.css
717 ms
system.menus.css
623 ms
system.messages.css
619 ms
system.theme.css
629 ms
date.css
630 ms
datepicker.1.7.css
628 ms
date_repeat_field.css
718 ms
field.css
722 ms
node.css
729 ms
user.css
727 ms
views.css
728 ms
ctools.css
817 ms
text_resize.css
819 ms
field_group.css
833 ms
fonts.css
1187 ms
styles.css
1029 ms
print.css
830 ms
jquery.js
1275 ms
jquery.once.js
1276 ms
drupal.js
1288 ms
jquery.cookie.js
1342 ms
text_resize.js
1488 ms
field_group.js
1643 ms
jquery.infieldlabel.min.js
1735 ms
jquery.hideMaxListItem.min.js
1733 ms
main-menu.js
1756 ms
sidenotes.js
1806 ms
general.js
1959 ms
zib_logo_header.png
103 ms
bg_header.png
403 ms
bg_dotlines.gif
103 ms
bg_footer.png
404 ms
dotline_horizontal_white.gif
105 ms
footer-dotlines-vertical-white.gif
104 ms
listserv.zib.de accessibility score
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
listserv.zib.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
listserv.zib.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Listserv.zib.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 Listserv.zib.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.
listserv.zib.de
Open Graph description is not detected on the main page of Listserv ZIB. 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: