4.7 sec in total
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190 ms
Welcome to german-courses-heidelberg.com homepage info - get ready to check German Courses Heidelberg best content for Germany right away, or after learning these important things about german-courses-heidelberg.com
Collegium Palatinum – IH Heidelberg is a German language school in Heidelberg that has been providing German courses for all levels since 1958.
Visit german-courses-heidelberg.comWe analyzed German-courses-heidelberg.com page load time and found that the first response time was 1.7 sec 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.
german-courses-heidelberg.com performance score
name
value
score
weighting
Value5.4 s
7/100
10%
Value5.8 s
15/100
25%
Value12.9 s
2/100
10%
Value1,370 ms
16/100
30%
Value0.001
100/100
15%
Value18.4 s
3/100
10%
1709 ms
305 ms
211 ms
207 ms
235 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 92% of them (45 requests) were addressed to the original German-courses-heidelberg.com, 6% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain German-courses-heidelberg.com.
Page size can be reduced by 107.8 kB (23%)
469.8 kB
362.1 kB
In fact, the total size of German-courses-heidelberg.com main page is 469.8 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. 35% of websites need less resources to load. Images take 302.5 kB which makes up the majority of the site volume.
Potential reduce by 16.5 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. This page needs HTML code to be minified as it can gain 4.2 kB, which is 20% 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 16.5 kB or 77% of the original size.
Potential reduce by 16.3 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. German Courses Heidelberg images are well optimized though.
Potential reduce by 39.0 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 39.0 kB or 39% of the original size.
Potential reduce by 35.9 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. German-courses-heidelberg.com needs all CSS files to be minified and compressed as it can save up to 35.9 kB or 79% of the original size.
Number of requests can be reduced by 21 (45%)
47
26
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of German Courses Heidelberg. 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 6 to 1 for CSS and as a result speed up the page load time.
german-courses-heidelberg.com
1709 ms
style.css
305 ms
nivo-slider.css
211 ms
default.css
207 ms
mpNivoSlider.css
235 ms
jquery.fancybox-1.3.4.css
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jquery.min.js
29 ms
jquery.fancybox-1.3.4.pack.js
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jquery.easing-1.4.pack.js
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jquery.jcarousel.min.js
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script.js
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mobile.css
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mobile.js
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jquery.nivo.slider.pack.js
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jquery.easing-1.3.pack.js
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ga.js
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logo.png
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german-courses-heidelberg.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
german-courses-heidelberg.com 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
Missing source maps for large first-party JavaScript
german-courses-heidelberg.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
DE
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise German-courses-heidelberg.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that German-courses-heidelberg.com 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.
german-courses-heidelberg.com
Open Graph description is not detected on the main page of German Courses Heidelberg. 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: