3.6 sec in total
402 ms
3 sec
193 ms
Welcome to wsw-online.de homepage info - get ready to check WSW Online best content for Germany right away, or after learning these important things about wsw-online.de
Wir, die WSW Wuppertaler Stadtwerke, sind Ihr lokaler Anbieter für zuverlässige Energieversorgung und zukunftsweisende Mobilität. Jetzt mehr erfahren ✓
Visit wsw-online.deWe analyzed Wsw-online.de page load time and found that the first response time was 402 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
wsw-online.de performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value6.6 s
8/100
25%
Value5.8 s
49/100
10%
Value100 ms
98/100
30%
Value0.92
3/100
15%
Value5.8 s
66/100
10%
402 ms
881 ms
516 ms
383 ms
31 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that 84% of them (21 requests) were addressed to the original Wsw-online.de, 8% (2 requests) were made to Themes.googleusercontent.com and 4% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (881 ms) belongs to the original domain Wsw-online.de.
Page size can be reduced by 78.7 kB (7%)
1.2 MB
1.1 MB
In fact, the total size of Wsw-online.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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 13.5 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. 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 13.5 kB or 72% of the original size.
Potential reduce by 29.5 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. WSW Online images are well optimized though.
Potential reduce by 35.7 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 35.7 kB or 65% of the original size.
Number of requests can be reduced by 4 (19%)
21
17
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WSW Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
wsw-online.de
402 ms
www.wsw-online.de
881 ms
merged-feaf17d624c7bb7d588d2457fd0f0f46-56c281cbb0577214dceaafc88d0326e7.css.gzip
516 ms
merged-cb7cd30aa4b1702b69ae9ea4773d172a-6e8d3f5a3b668797a21345e8dca2d8ca.js.gzip
383 ms
jquery.min.js
31 ms
merged-4c0e89af57c50b404335b8756fb0903b-f8ab4d2bb0faccb3a8d9540ae53adea1.js.gzip
267 ms
merged-44ac6cc36f18d3b19ef3c4025b42472f-20c1aa23c3bf420ff8877cc0e03ac0b3.js.gzip
395 ms
wsw_logo.svg
128 ms
wsw_logo.png
132 ms
search.svg
127 ms
1999738b78.jpg
391 ms
9ab5661705.jpg
370 ms
76e7398d84.jpg
416 ms
3ad688bd63.jpg
657 ms
b37b2069f2.jpg
524 ms
af8dd6ead9.jpg
812 ms
rss_icon.svg
505 ms
csm_kartefernwaerme1_01_fd9c605a30.png
529 ms
csm_20160226_Lichtscheid_e4f73b12c5.jpg
552 ms
csm_abooho_570X200_06_63d840fa95.jpg
646 ms
Stellenangebote_196x84.png
679 ms
ausbildung_schweisser_196x84.png
680 ms
piwik.js
646 ms
LKf8nhXsWg5ybwEGXk8UBQ.woff
42 ms
0XxGQsSc1g4rdRdjJKZrNBsxEYwM7FgeyaSgU71cLG0.woff
64 ms
wsw-online.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
Links do not have a discernible name
wsw-online.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
Browser errors were logged to the console
wsw-online.de SEO score
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
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wsw-online.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 Wsw-online.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.
wsw-online.de
Open Graph description is not detected on the main page of WSW Online. 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: