6.6 sec in total
1.7 sec
4.1 sec
773 ms
Welcome to gymnasium-zitadelle.de homepage info - get ready to check Gymnasium Zitadelle best content for Germany right away, or after learning these important things about gymnasium-zitadelle.de
Gymnasium Zitadelle der Stadt Jülich
Visit gymnasium-zitadelle.deWe analyzed Gymnasium-zitadelle.de page load time and found that the first response time was 1.7 sec and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
gymnasium-zitadelle.de performance score
name
value
score
weighting
Value8.9 s
0/100
10%
Value10.1 s
0/100
25%
Value11.1 s
6/100
10%
Value160 ms
93/100
30%
Value0.011
100/100
15%
Value12.1 s
16/100
10%
1680 ms
315 ms
215 ms
310 ms
6 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that 71% of them (37 requests) were addressed to the original Gymnasium-zitadelle.de, 19% (10 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Gymnasium-zitadelle.de.
Page size can be reduced by 474.4 kB (10%)
4.7 MB
4.2 MB
In fact, the total size of Gymnasium-zitadelle.de main page is 4.7 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. 55% of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.
Potential reduce by 115.4 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 115.4 kB or 84% of the original size.
Potential reduce by 110.1 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. Gymnasium Zitadelle images are well optimized though.
Potential reduce by 147.6 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 147.6 kB or 70% of the original size.
Potential reduce by 101.3 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. Gymnasium-zitadelle.de needs all CSS files to be minified and compressed as it can save up to 101.3 kB or 83% of the original size.
Number of requests can be reduced by 16 (40%)
40
24
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gymnasium Zitadelle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
www.gymnasium-zitadelle.de
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wp-emoji-release.min.js
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styles.css
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prettyPhoto.css
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font-awesome.css
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css
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ubermenu.min.css
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blackwhite2.css
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font-awesome.min.css
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jquery.js
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jquery-migrate.min.js
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jquery.prettyPhoto.js
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css
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jquery.form.min.js
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scripts.js
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scroll-back-to-top.js
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ubermenu.min.js
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link-indication_style.css
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gymnasium-zitadelle.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
Image elements do not have [alt] attributes
Links do not have a discernible name
gymnasium-zitadelle.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
gymnasium-zitadelle.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gymnasium-zitadelle.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 Gymnasium-zitadelle.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.
gymnasium-zitadelle.de
Open Graph description is not detected on the main page of Gymnasium Zitadelle. 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: