Tools & Wizards About Us
swlb.de screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

swlb.de

Stadtwerke Ludwigsburg-Kornwestheim GmbH

Page Load Speed

2.9 sec in total

First Response

433 ms

Resources Loaded

2.3 sec

Page Rendered

195 ms

swlb.de screenshot

About Website

Visit swlb.de now to see the best up-to-date Swlb content for Germany and also check out these interesting facts you probably never knew about swlb.de

Als Versorgungsunternehmen stehen die SWLB den Menschen in der Region stets zur Seite. Und das als Rundumversorger unter anderem mit Energie, Fernwärme, Glasfaser-Internet, E-Mobilität, Photovoltaik u...

Visit swlb.de

Key Findings

We analyzed Swlb.de page load time and found that the first response time was 433 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

swlb.de performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value25.1 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.565

12/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

swlb.de

433 ms

www.swlb.de

439 ms

jquery-ui-1.8.11.custom.css

192 ms

page.css

199 ms

jquery-1.8.3.js

432 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 96% of them (44 requests) were addressed to the original Swlb.de, 4% (2 requests) were made to Gipsprojekt.de. The less responsive or slowest element that took the longest time to load (745 ms) belongs to the original domain Swlb.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 640.9 kB (77%)

Content Size

837.2 kB

After Optimization

196.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Swlb.de main page is 837.2 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. 30% of websites need less resources to load. Javascripts take 484.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 122.3 kB

  • Original 141.5 kB
  • After minification 122.0 kB
  • After compression 19.2 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 19.5 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 122.3 kB or 86% of the original size.

Image Optimization

-9%

Potential reduce by 8.1 kB

  • Original 87.3 kB
  • After minification 79.1 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. Swlb images are well optimized though.

JavaScript Optimization

-84%

Potential reduce by 406.2 kB

  • Original 484.1 kB
  • After minification 296.4 kB
  • After compression 77.8 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 406.2 kB or 84% of the original size.

CSS Optimization

-84%

Potential reduce by 104.2 kB

  • Original 124.3 kB
  • After minification 81.2 kB
  • After compression 20.1 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. Swlb.de needs all CSS files to be minified and compressed as it can save up to 104.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (75%)

Requests Now

44

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swlb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

swlb.de

swlb.de

433 ms

www.swlb.de

www.swlb.de

439 ms

jquery-ui-1.8.11.custom.css

jquery-ui-1.8.11.custom.css

192 ms

page.css

page.css

199 ms

jquery-1.8.3.js

jquery-1.8.3.js

432 ms

vertrieb.js

vertrieb.js

539 ms

sepa.js

sepa.js

539 ms

formularcenter.js

formularcenter.js

207 ms

jquery-ui-1.8.11.custom.min.js

jquery-ui-1.8.11.custom.min.js

301 ms

ajax.js

ajax.js

115 ms

DOM.js

DOM.js

195 ms

base.css

base.css

101 ms

content_default.css

content_default.css

102 ms

icons_inhalt_col1.css

icons_inhalt_col1.css

106 ms

features.css

features.css

185 ms

basisformatierungen.css

basisformatierungen.css

198 ms

nav_horizontal.css

nav_horizontal.css

199 ms

subnav_vlist.css

subnav_vlist.css

200 ms

topnav.css

topnav.css

205 ms

basemod.css

basemod.css

280 ms

content_basemod.css

content_basemod.css

295 ms

mobile.css

mobile.css

297 ms

print_100_draft.css

print_100_draft.css

297 ms

print.css

print.css

303 ms

basisicons.css

basisicons.css

226 ms

basisfeatures.css

basisfeatures.css

194 ms

mapmarkerlist.css

mapmarkerlist.css

212 ms

print_base.css

print_base.css

100 ms

ibox.css

ibox.css

98 ms

datepicker.css

datepicker.css

101 ms

fuss.gif

fuss.gif

98 ms

topnav_trenner.gif

topnav_trenner.gif

100 ms

suche_input.gif

suche_input.gif

101 ms

logo.gif

logo.gif

104 ms

facebook.gif

facebook.gif

102 ms

perso-kombi-2016-color.jpg

perso-kombi-2016-color.jpg

201 ms

Maerz-2016__scaled__170_190.png

Maerz-2016__scaled__170_190.png

289 ms

Freizeit-wechselnd.gif

Freizeit-wechselnd.gif

395 ms

plakette-kombi-2016__scaled__150_150.jpg

plakette-kombi-2016__scaled__150_150.jpg

199 ms

suche_submit.gif

suche_submit.gif

185 ms

home_icon.gif

home_icon.gif

186 ms

nav_trenner.gif

nav_trenner.gif

281 ms

produktnavi_inaktiv_kl-a.gif

produktnavi_inaktiv_kl-a.gif

282 ms

berechnen.gif

berechnen.gif

268 ms

linkpfeil.gif

linkpfeil.gif

272 ms

Gips

Gips

745 ms

Accessibility Review

swlb.de accessibility score

87

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

swlb.de best practices score

83

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

SEO Factors

swlb.de SEO score

84

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Swlb.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 Swlb.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

swlb.de

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