3.3 sec in total
358 ms
2.8 sec
149 ms
Welcome to klassewasser.de homepage info - get ready to check Klassewasser best content for Germany right away, or after learning these important things about klassewasser.de
klassewasser.de ist die Kinder- und Jugendinternetseite zum Thema Wasser. Hier gibt es viele Wasserinfos z.B. zu Aggregatzuständen, Lebensraum Wasser, Trinkwasser, Abwasser, sowie Ressourcenschutz und...
Visit klassewasser.deWe analyzed Klassewasser.de page load time and found that the first response time was 358 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
klassewasser.de performance score
name
value
score
weighting
Value7.3 s
1/100
10%
Value8.4 s
2/100
25%
Value7.3 s
29/100
10%
Value70 ms
99/100
30%
Value0.59
11/100
15%
Value7.4 s
48/100
10%
358 ms
396 ms
172 ms
124 ms
387 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 92% of them (44 requests) were addressed to the original Klassewasser.de, 8% (4 requests) were made to Maps.google.com. The less responsive or slowest element that took the longest time to load (800 ms) belongs to the original domain Klassewasser.de.
Page size can be reduced by 425.9 kB (46%)
925.8 kB
499.9 kB
In fact, the total size of Klassewasser.de main page is 925.8 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. 40% of websites need less resources to load. Javascripts take 463.4 kB which makes up the majority of the site volume.
Potential reduce by 28.2 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 28.2 kB or 85% of the original size.
Potential reduce by 6.1 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. Klassewasser images are well optimized though.
Potential reduce by 318.8 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 318.8 kB or 69% of the original size.
Potential reduce by 72.7 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. Klassewasser.de needs all CSS files to be minified and compressed as it can save up to 72.7 kB or 87% of the original size.
Number of requests can be reduced by 24 (53%)
45
21
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Klassewasser. 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 9 to 1 for CSS and as a result speed up the page load time.
klassewasser.de
358 ms
www.klassewasser.de
396 ms
portal.php
172 ms
menu.css
124 ms
jquery.js
387 ms
jqModal.js
239 ms
lib.leonhardt.js
242 ms
slidebox.js
241 ms
tippbox.js
800 ms
js
40 ms
googleMap.js
245 ms
teenager_main.js
361 ms
swfObject.js
366 ms
teenager_clickgallery.js
370 ms
stagebox.js
370 ms
tabBox.js
485 ms
submenu.js
501 ms
expandable.js
502 ms
teenager_page.css
491 ms
teenager_form.css
509 ms
teenager_headerFooter.css
611 ms
teenager_content.css
624 ms
teenager_sitemap.css
627 ms
teenager_search.css
625 ms
kinder_w339_hover.jpg
365 ms
teacher_w216_hover.jpg
252 ms
teenager_w339_hover.jpg
487 ms
teenager_bg.png
131 ms
header_bg_teenager.gif
131 ms
Kopfzeilen_Entchen_Taucher.jpg
131 ms
logo.gif
245 ms
searchClose.gif
254 ms
tab_bg.gif
255 ms
jetztNEU.png
365 ms
teenager_teaserbox_round.png
370 ms
kinder_w339.jpg
619 ms
teenager_w339.jpg
749 ms
teacher_w216.jpg
602 ms
teenager_footer_bg.png
484 ms
footer_logo.gif
490 ms
seitenstark_banner_small.png
608 ms
footer_fish.gif
591 ms
portalHoverBackground.png
599 ms
common.js
15 ms
util.js
33 ms
infowindow.js
32 ms
teenager_print.css
125 ms
print.css
125 ms
klassewasser.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
klassewasser.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
Issues were logged in the Issues panel in Chrome Devtools
klassewasser.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
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 Klassewasser.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 Klassewasser.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.
klassewasser.de
Open Graph description is not detected on the main page of Klassewasser. 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: