7.4 sec in total
521 ms
6.6 sec
300 ms
Welcome to swd-ag.de homepage info - get ready to check Swd Ag best content for Germany right away, or after learning these important things about swd-ag.de
Ob Strom, Erdgas, Wasser, Fernwärme oder Entsorgung: Die Stadtwerke Düsseldorf sind Ihr Energiedienstleister in Düsseldorf und der Region.
Visit swd-ag.deWe analyzed Swd-ag.de page load time and found that the first response time was 521 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
swd-ag.de performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value15.2 s
0/100
25%
Value9.9 s
10/100
10%
Value1,600 ms
12/100
30%
Value0.022
100/100
15%
Value15.0 s
8/100
10%
521 ms
1259 ms
535 ms
1396 ms
1217 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 74% of them (34 requests) were addressed to the original Swd-ag.de, 11% (5 requests) were made to Google-analytics.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Swd-ag.de.
Page size can be reduced by 468.1 kB (41%)
1.1 MB
681.2 kB
In fact, the total size of Swd-ag.de main page is 1.1 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 468.4 kB which makes up the majority of the site volume.
Potential reduce by 31.2 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. This page needs HTML code to be minified as it can gain 5.7 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 31.2 kB or 79% of the original size.
Potential reduce by 1.4 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. Swd Ag images are well optimized though.
Potential reduce by 243.0 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 243.0 kB or 60% of the original size.
Potential reduce by 192.5 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. Swd-ag.de needs all CSS files to be minified and compressed as it can save up to 192.5 kB or 82% of the original size.
Number of requests can be reduced by 18 (43%)
42
24
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swd Ag. 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.
swd-ag.de
521 ms
www.swd-ag.de
1259 ms
main_css.css
535 ms
modernizr_262_respond_110min.js
1396 ms
jquery_1110min.js
1217 ms
jquery-migrate-1.2.1.min.js
701 ms
main_js.js
1241 ms
logo.png
193 ms
web-motiv_februar2016_560x200pix_01.jpg
1652 ms
individuelles-angebot-560x200.jpg
356 ms
ueber-uns-560x200.jpg
874 ms
service_feature1_ein_halb.jpg
700 ms
service_feature2_ein_halb.jpg
367 ms
icon_footer_rueckruf_footer_list_icon.png
533 ms
icon_footer_termin_footer_list_icon.png
536 ms
icon_footer_kontaktformular_footer_list_icon.png
544 ms
icon_footer_anfahrt_footer_list_icon.png
715 ms
icon_footer_login_footer_list_icon.png
717 ms
icon_footer_newsletteranmeldung_footer_list_icon.png
723 ms
top_lokalversorger_2016_strom_gas.jpg
1392 ms
tuev_service_tested_2015.jpg
1067 ms
check24_stromanbieter_check_kundenservice.jpg
901 ms
gtm.js
184 ms
sprite.png
1065 ms
menu_active.png
1044 ms
startseite_kwk_motiv_022016.jpg
3341 ms
startseite_wasserwerk_staad.jpg
2775 ms
startseite_ente.jpg
3294 ms
a6b552ae-1fb4-45a0-a050-7f2d4150daaa.woff
1391 ms
icon_footer_rueckruf_footer_list_icon_x2.png
1387 ms
icon_footer_termin_footer_list_icon_x2.png
1432 ms
icon_footer_kontaktformular_footer_list_icon_x2.png
1567 ms
icon_footer_anfahrt_footer_list_icon_x2.png
1614 ms
icon_footer_login_footer_list_icon_x2.png
1644 ms
icon_footer_newsletteranmeldung_footer_list_icon_x2.png
1750 ms
analytics.js
78 ms
conversion_async.js
66 ms
bat.js
88 ms
activityi;src=4968038;type=swdho0;cat=de-sw0;ord=2292384451977;~oref=https%3A%2F%2Fwww.swd-ag.de%2F
84 ms
40 ms
linkid.js
12 ms
ec.js
23 ms
39 ms
collect
33 ms
collect
67 ms
collect
12 ms
swd-ag.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
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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
swd-ag.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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
swd-ag.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Swd-ag.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Swd-ag.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.
swd-ag.de
Open Graph description is not detected on the main page of Swd Ag. 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: