3.4 sec in total
178 ms
2.8 sec
458 ms
Visit stadtwerke-karlsruhe.de now to see the best up-to-date Stadtwerke Karlsruhe content for Germany and also check out these interesting facts you probably never knew about stadtwerke-karlsruhe.de
Ihr Energie- und Lebenspartner für Karlsruhe und die Region ✔Strom, Erdgas, Fernwärme, Trinkwasser ✔Energiedienstleistungen ✔Besser versorgt, weiter gedacht.
Visit stadtwerke-karlsruhe.deWe analyzed Stadtwerke-karlsruhe.de page load time and found that the first response time was 178 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
stadtwerke-karlsruhe.de performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value2.7 s
86/100
25%
Value5.3 s
57/100
10%
Value1,940 ms
8/100
30%
Value0.002
100/100
15%
Value6.7 s
56/100
10%
178 ms
211 ms
194 ms
196 ms
297 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that 96% of them (54 requests) were addressed to the original Stadtwerke-karlsruhe.de, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Stadtwerke-karlsruhe.de.
Page size can be reduced by 1.7 MB (35%)
4.9 MB
3.1 MB
In fact, the total size of Stadtwerke-karlsruhe.de main page is 4.9 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. 45% of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.
Potential reduce by 39.9 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 6.6 kB, which is 14% 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 39.9 kB or 82% of the original size.
Potential reduce by 1.2 MB
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. Obviously, Stadtwerke Karlsruhe needs image optimization as it can save up to 1.2 MB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 300.7 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 300.7 kB or 73% of the original size.
Potential reduce by 206.8 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. Stadtwerke-karlsruhe.de needs all CSS files to be minified and compressed as it can save up to 206.8 kB or 91% of the original size.
Number of requests can be reduced by 9 (17%)
52
43
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stadtwerke Karlsruhe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
index.php
178 ms
design.css
211 ms
jquery.fancybox.css
194 ms
video-js.css
196 ms
jquery.js
297 ms
jquery-ui.js
316 ms
jquery.fancybox.js
268 ms
css.js
283 ms
ui.js
293 ms
design.js
312 ms
video.js
402 ms
items-bannerSlider.js
377 ms
selectivizr.js
554 ms
browser.js
578 ms
imageMaxWidth.js
517 ms
wClickLogger.js
396 ms
analytics.js
60 ms
Hintergrund.png
167 ms
Startseite_Navibase.png
196 ms
Startseite_Suche.png
176 ms
SocialMedia_Kaeppsele.png
180 ms
SocialMedia_Youtube.png
185 ms
SocialMedia_Twitter_neu.png
184 ms
SocialMedia_Facebook.png
194 ms
Pfeil2.png
195 ms
trans.gif
194 ms
Startseite_Earthhour-d00b7ccdf7b1b7eg021fe3c7b58e7f2d.png
1097 ms
Startseite_Neu-in-KA-12dbb75ba08db42ge8060b06b74acb73.png
1120 ms
Startseite_Slider_Solardach-9eb0a7dd4fef5d8g42a2c80fb3ad4a28.png
1438 ms
Startseite_Slider_Haeuser-950ce3e582b1e85gaa21ff63650ba3ba.png
1155 ms
Startseite_app-final-022c3e72d5988a3gb6e8f9915ae12ccc.png
978 ms
Startseite-Malwett2015-acdf1196982ddafg077565a9ecd086e9.png
1375 ms
logo-ka-300.png
1092 ms
logo-klimafaierer-stadtgeburtstag.png
1199 ms
logo-ok-power.png
1199 ms
logo-top-lokalversorger-strom.png
1185 ms
logo-top-lokalversorger-gas.png
1238 ms
Startseite_Icon_Shop.png
1278 ms
Startseite_Icon_Rechner.png
1273 ms
Startseite_Icon_OnlineService.png
1274 ms
Startseite_Boxen_Produkte.png
1335 ms
Startseite_Video_sophie-scholl.png
1472 ms
Startseite_Boxen_Online-Service.png
1371 ms
Startseite_Slider_box.png
1371 ms
Startseite_Slider_box_weiterlesen.png
1418 ms
Startseite_Slider_links.png
1439 ms
Startseite_Slider_rechts.png
1457 ms
slider_punkt.png
1466 ms
slider_punkt2.png
1501 ms
Startseite_Balken.png
1513 ms
Startseite_Box.png
1533 ms
collect
23 ms
Startseite_Box2.png
1513 ms
Pfeil.png
1512 ms
Startseite_Footer.png
1424 ms
Startseite_Box_Video.png
1458 ms
stadtwerke-karlsruhe.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.
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 IDs are not unique
stadtwerke-karlsruhe.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
stadtwerke-karlsruhe.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 Stadtwerke-karlsruhe.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 Stadtwerke-karlsruhe.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.
stadtwerke-karlsruhe.de
Open Graph description is not detected on the main page of Stadtwerke Karlsruhe. 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: