11.6 sec in total
488 ms
10.5 sec
552 ms
Welcome to privatschwimmschule-duisburg.de homepage info - get ready to check Privatschwimmschule Duisburg best content right away, or after learning these important things about privatschwimmschule-duisburg.de
Lernen Sie im Einzelkurs mit einem privaten Schwimmlehrer schwimmen. In der Privatschwimmschule in Duisburg wird mit viel Einfühlungsvermögen auf Sie eingegangen.
Visit privatschwimmschule-duisburg.deWe analyzed Privatschwimmschule-duisburg.de page load time and found that the first response time was 488 ms and then it took 11.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
privatschwimmschule-duisburg.de performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value3.5 s
63/100
25%
Value4.8 s
67/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value3.6 s
92/100
10%
488 ms
842 ms
152 ms
300 ms
300 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Privatschwimmschule-duisburg.de, 81% (22 requests) were made to Privatschwimmschule.de and 7% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (8.5 sec) relates to the external source Privatschwimmschule.de.
Page size can be reduced by 156.5 kB (13%)
1.2 MB
1.1 MB
In fact, the total size of Privatschwimmschule-duisburg.de main page is 1.2 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. 20% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 7.5 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 1.2 kB, which is 11% 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 7.5 kB or 71% of the original size.
Potential reduce by 64.8 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. Privatschwimmschule Duisburg images are well optimized though.
Potential reduce by 66.3 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 66.3 kB or 65% of the original size.
Potential reduce by 17.9 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. Privatschwimmschule-duisburg.de needs all CSS files to be minified and compressed as it can save up to 17.9 kB or 78% of the original size.
Number of requests can be reduced by 12 (48%)
25
13
The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Privatschwimmschule Duisburg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
privatschwimmschule-duisburg.de
488 ms
www.privatschwimmschule.de
842 ms
styles.css
152 ms
jquery.fancybox-1.3.4.css
300 ms
noscript.css
300 ms
ew-form-sidebar.css
301 ms
imprint.css
301 ms
jquery.min.js
19 ms
swfobject.js
24 ms
jquery.fancybox-1.3.4.pack.js
321 ms
cufon.js
455 ms
global.script.js
449 ms
mobileLink.js
448 ms
tracker.js
331 ms
branding.png
1730 ms
bg-navigation1.png
662 ms
kursleiter-kai-boehme.png
653 ms
bg-footer.png
4967 ms
bg-footer-container.png
655 ms
facebook-logo.png
183 ms
counter.js
191 ms
bg-body.jpg
892 ms
schwimmbad.jpg
3603 ms
child-underwater.png
7891 ms
baby.png
8487 ms
kai-boehme.png
2693 ms
print.css
200 ms
privatschwimmschule-duisburg.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.
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.
privatschwimmschule-duisburg.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
privatschwimmschule-duisburg.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
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Privatschwimmschule-duisburg.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 Privatschwimmschule-duisburg.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.
privatschwimmschule-duisburg.de
Open Graph description is not detected on the main page of Privatschwimmschule Duisburg. 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: