Tools & Wizards About Us
sw-kassel.de screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

sw-kassel.de

Städtische Werke AG – bundesweit günstig bei Strom und Gas - Städtische Werke AG Kassel

Page Load Speed

3.8 sec in total

First Response

220 ms

Resources Loaded

3 sec

Page Rendered

610 ms

sw-kassel.de screenshot

About Website

Click here to check amazing Sw Kassel content for Germany. Otherwise, check out these important facts you probably never knew about sw-kassel.de

Die Städtische Werke AG versorgt Kassel und Deutschland mit Naturstrom, Naturgas und Fernwärme. Beim Ausbau der erneuerbaren Energien sind wir der Vorreiter in Nordhessen.

Visit sw-kassel.de

Key Findings

We analyzed Sw-kassel.de page load time and found that the first response time was 220 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sw-kassel.de performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value16.8 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value3,210 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

sw-kassel.de

220 ms

startseite

481 ms

merged-8abb34d1469a22962bc144b0d0f10847-7f0ded17f331471469d1318f217c7393.css

211 ms

MNssKQjHfFjhuhf2i.js

1182 ms

modernizr-2.8.3-respond-1.4.2.min-0706c467e89d6ae41ac1a0b8aa3176f0.js

295 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 81% of them (64 requests) were addressed to the original Sw-kassel.de, 4% (3 requests) were made to Google.com and 4% (3 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Static.cleverpush.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 221.2 kB (10%)

Content Size

2.2 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sw-kassel.de main page is 2.2 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. 70% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 113.1 kB

  • Original 133.8 kB
  • After minification 111.8 kB
  • After compression 20.7 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 22.1 kB, which is 16% 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 113.1 kB or 85% of the original size.

Image Optimization

-7%

Potential reduce by 105.3 kB

  • Original 1.5 MB
  • After minification 1.4 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. Sw Kassel images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.9 kB

  • Original 502.9 kB
  • After minification 502.9 kB
  • After compression 500.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 15 B

  • Original 1.3 kB
  • After minification 1.3 kB
  • After compression 1.3 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. Sw-kassel.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 38 (57%)

Requests Now

67

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sw Kassel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sw-kassel.de

sw-kassel.de

220 ms

startseite

startseite

481 ms

merged-8abb34d1469a22962bc144b0d0f10847-7f0ded17f331471469d1318f217c7393.css

merged-8abb34d1469a22962bc144b0d0f10847-7f0ded17f331471469d1318f217c7393.css

211 ms

MNssKQjHfFjhuhf2i.js

MNssKQjHfFjhuhf2i.js

1182 ms

modernizr-2.8.3-respond-1.4.2.min-0706c467e89d6ae41ac1a0b8aa3176f0.js

modernizr-2.8.3-respond-1.4.2.min-0706c467e89d6ae41ac1a0b8aa3176f0.js

295 ms

jquery.min.js

jquery.min.js

58 ms

1e2a5553f9.js

1e2a5553f9.js

89 ms

5508b6c4f0-07e03ecee9bd204ed132627c1e04ad8e.js

5508b6c4f0-07e03ecee9bd204ed132627c1e04ad8e.js

295 ms

jquery.focuspoint.min-fad421120315be1969e30764113a03be.js

jquery.focuspoint.min-fad421120315be1969e30764113a03be.js

296 ms

jquery.stwmenu-e8a86d578db4c87d22961e068321e5ff.js

jquery.stwmenu-e8a86d578db4c87d22961e068321e5ff.js

297 ms

flickity.pkgd.min-b06560729da475d91f6f772b932891da.js

flickity.pkgd.min-b06560729da475d91f6f772b932891da.js

457 ms

flickity.bg-lazyload-c33016be15d0bcc96ed90fd4e44420a2.js

flickity.bg-lazyload-c33016be15d0bcc96ed90fd4e44420a2.js

313 ms

picturefill.min-2be6c140a2bdae10d013d1c387b89754.js

picturefill.min-2be6c140a2bdae10d013d1c387b89754.js

421 ms

xdate-6e60fdac449f812cc9f0786cf01a8473.js

xdate-6e60fdac449f812cc9f0786cf01a8473.js

422 ms

bootstrap-slider.min-1c5b03a5a59bd94555528f4374f1ed28.js

bootstrap-slider.min-1c5b03a5a59bd94555528f4374f1ed28.js

455 ms

lightgallery.min-73663084de1fe5dbbac1760880d297e6.js

lightgallery.min-73663084de1fe5dbbac1760880d297e6.js

466 ms

jquery.fitvids-67c6d975f8585946dc709061cb29a71e.js

jquery.fitvids-67c6d975f8585946dc709061cb29a71e.js

455 ms

jquery.validate.min-ac8f10156ac72e0f3457f1a7b357f11d.js

jquery.validate.min-ac8f10156ac72e0f3457f1a7b357f11d.js

487 ms

messages_de.min-93cff783e5304d6e86ff01dff2b6a628.js

messages_de.min-93cff783e5304d6e86ff01dff2b6a628.js

488 ms

jquery.validate.bootstrap.popover.min-939f36deaec136f221859360319be7f3.js

jquery.validate.bootstrap.popover.min-939f36deaec136f221859360319be7f3.js

527 ms

jquery.matchHeight-min-18977a6dbd060f42b7b77d63e34a6c7c.js

jquery.matchHeight-min-18977a6dbd060f42b7b77d63e34a6c7c.js

526 ms

moment-with-locales.min-85dc93ab5a710cb3f86ee8d919cffe9e.js

moment-with-locales.min-85dc93ab5a710cb3f86ee8d919cffe9e.js

718 ms

bootstrap-datetimepicker.min-2dcab63bd4c6eada02d63cb90375a0ce.js

bootstrap-datetimepicker.min-2dcab63bd4c6eada02d63cb90375a0ce.js

529 ms

jquery.unveil-ef5527f6c8fe91a35ef68e2e1d52be1a.js

jquery.unveil-ef5527f6c8fe91a35ef68e2e1d52be1a.js

573 ms

rangeslider.min-144e466b6256c15652a4e19637fdb2ba.js

rangeslider.min-144e466b6256c15652a4e19637fdb2ba.js

574 ms

bootstrap-select.min-6c26ed507c16f8dcece39de5a04813a4.js

bootstrap-select.min-6c26ed507c16f8dcece39de5a04813a4.js

627 ms

lity.min-8174e44b03bf14560e76f26c7a130205.js

lity.min-8174e44b03bf14560e76f26c7a130205.js

627 ms

mustache.min-41a633033a96c66c6dba7169f8a27866.js

mustache.min-41a633033a96c66c6dba7169f8a27866.js

628 ms

typed.min-5879dba48172a625e6e6004088ed1007.js

typed.min-5879dba48172a625e6e6004088ed1007.js

675 ms

numeral.min-ffe77ee32502a9ad3cacf000722001d3.js

numeral.min-ffe77ee32502a9ad3cacf000722001d3.js

673 ms

countUp.min-04d148372c23f0335f1b5273dfa156dd.js

countUp.min-04d148372c23f0335f1b5273dfa156dd.js

764 ms

jquery.viewportchecker.min-e112b81a75db2df892648432abfea036.js

jquery.viewportchecker.min-e112b81a75db2df892648432abfea036.js

765 ms

iframeResizer.min-78f5e33b820b2749bbb510c24d587702.js

iframeResizer.min-78f5e33b820b2749bbb510c24d587702.js

766 ms

orderimport-fb0d210f3eeee076c13fd62a2c995d35.js

orderimport-fb0d210f3eeee076c13fd62a2c995d35.js

770 ms

bootstrap.min-362c4408a1cdc9e0c2756640d4e89d19.js

bootstrap.min-362c4408a1cdc9e0c2756640d4e89d19.js

864 ms

jquery.responsiveimages.min-d85b8a46c5052dd865e6e053f40c3b05.js

jquery.responsiveimages.min-d85b8a46c5052dd865e6e053f40c3b05.js

820 ms

loader.js

loader.js

48 ms

api.js

api.js

68 ms

widget-injector.js

widget-injector.js

546 ms

matomo.js

matomo.js

618 ms

logo-stw-ag.svg

logo-stw-ag.svg

593 ms

logo-stw-ag-signet.svg

logo-stw-ag-signet.svg

610 ms

Startseite_Montage_Himmel_NEU2.jpg

Startseite_Montage_Himmel_NEU2.jpg

1074 ms

zertifikat-oeko-strom-bundesweit-preisrechner.png

zertifikat-oeko-strom-bundesweit-preisrechner.png

670 ms

siegel-top-lokalversorger-strom.png

siegel-top-lokalversorger-strom.png

699 ms

siegel-top-lokalversorger-gas.png

siegel-top-lokalversorger-gas.png

698 ms

zertifikat-oeko-gas-bundesweit-preisrechner-2024.png

zertifikat-oeko-gas-bundesweit-preisrechner-2024.png

697 ms

siegel-eidman-kilian.png

siegel-eidman-kilian.png

697 ms

TheSansB_400_.woff

TheSansB_400_.woff

811 ms

TheSansB_600_.woff

TheSansB_600_.woff

824 ms

TheSansB_700_.woff

TheSansB_700_.woff

714 ms

icomoon-071217.ttf

icomoon-071217.ttf

623 ms

TheSerifB_600_.woff

TheSerifB_600_.woff

718 ms

TheSerifB_500_.woff

TheSerifB_500_.woff

867 ms

TheSerifB_400i.woff

TheSerifB_400i.woff

826 ms

TheSerifB_600i.woff

TheSerifB_600i.woff

755 ms

siegel-oeko-test-sicher-strom.png

siegel-oeko-test-sicher-strom.png

750 ms

siegel-tuev-rheinland-2.png

siegel-tuev-rheinland-2.png

734 ms

pv_homepage_teaser_neu.jpg

pv_homepage_teaser_neu.jpg

881 ms

Energieberatung-teaser.jpg

Energieberatung-teaser.jpg

883 ms

wp_startseite.jpg

wp_startseite.jpg

877 ms

meinewerke_homepage_teaser.jpg

meinewerke_homepage_teaser.jpg

903 ms

kiosk-kunden-werben-kunden-neu.jpg

kiosk-kunden-werben-kunden-neu.jpg

825 ms

csm_edl-analyze_de78c9ef0e.png

csm_edl-analyze_de78c9ef0e.png

796 ms

zertifikate-footer-2024.png

zertifikate-footer-2024.png

862 ms

footer-fond@2x.png

footer-fond@2x.png

867 ms

bg-label-compact.svg

bg-label-compact.svg

839 ms

KWSkompakt_Startseite.jpg

KWSkompakt_Startseite.jpg

830 ms

pluswelt_homepage_teaser.jpg

pluswelt_homepage_teaser.jpg

849 ms

matomo.php

matomo.php

817 ms

bundle.js

bundle.js

16 ms

recaptcha__en.js

recaptcha__en.js

31 ms

fallback

fallback

20 ms

fallback

fallback

48 ms

fallback__ltr.css

fallback__ltr.css

4 ms

css

css

45 ms

logo_48.png

logo_48.png

5 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

27 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

27 ms

Accessibility Review

sw-kassel.de accessibility score

77

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

High

ARIA IDs are not unique

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

sw-kassel.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

sw-kassel.de SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sw-kassel.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 Sw-kassel.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.

Social Sharing Optimization

sw-kassel.de

Open Graph description is not detected on the main page of Sw Kassel. 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: