4.5 sec in total
1.1 sec
3.1 sec
347 ms
Visit bibliothek.zwickau.de now to see the best up-to-date Bibliothek Zwickau content for Germany and also check out these interesting facts you probably never knew about bibliothek.zwickau.de
Visit bibliothek.zwickau.deWe analyzed Bibliothek.zwickau.de page load time and found that the first response time was 1.1 sec and then it took 3.5 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.zwickau.de performance score
name
value
score
weighting
Value9.8 s
0/100
10%
Value11.7 s
0/100
25%
Value9.8 s
10/100
10%
Value160 ms
93/100
30%
Value0.174
69/100
15%
Value10.1 s
26/100
10%
1092 ms
709 ms
307 ms
310 ms
1036 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that all of those requests were addressed to Bibliothek.zwickau.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Bibliothek.zwickau.de.
Page size can be reduced by 1.3 MB (54%)
2.3 MB
1.1 MB
In fact, the total size of Bibliothek.zwickau.de main page is 2.3 MB. 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. Javascripts take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 32.5 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 32.5 kB or 69% of the original size.
Potential reduce by 86.9 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. Bibliothek Zwickau images are well optimized though.
Potential reduce by 995.0 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 995.0 kB or 83% of the original size.
Potential reduce by 152.8 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.zwickau.de needs all CSS files to be minified and compressed as it can save up to 152.8 kB or 85% of the original size.
Number of requests can be reduced by 70 (88%)
80
10
The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bibliothek Zwickau. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.
bibliothek.zwickau.de
1092 ms
default.css
709 ms
skin.css
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portal.css
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open.js
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back.gif
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StZw-Signet-Stadtbibliothek-4c.jpg
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bibliothek.zwickau.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.
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
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.
bibliothek.zwickau.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
Missing source maps for large first-party JavaScript
bibliothek.zwickau.de SEO score
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bibliothek.zwickau.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 Bibliothek.zwickau.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.
bibliothek.zwickau.de
Open Graph description is not detected on the main page of Bibliothek Zwickau. 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: