Tools & Wizards About Us

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

swe.de

Ihr Energie- und Wasserversorger - SWE - Stadtwerke Esslingen

Page Load Speed

3.1 sec in total

First Response

291 ms

Resources Loaded

2.6 sec

Page Rendered

255 ms

About Website

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

Die Stadtwerke Esslingen versorgen rund 200.000 Menschen sicher und zuverlässig mit Erdgas, Wärme, Trinkwasser und Ökostrom.

Visit swe.de

Key Findings

We analyzed Swe.de page load time and found that the first response time was 291 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

swe.de performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value15.4 s

0/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.227

55/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

swe.de

291 ms

www.swe.de

553 ms

opensans-full.css

474 ms

opensanscondensed-full.css

479 ms

jquery-ui.min.css

193 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 40% of them (42 requests) were addressed to the original Swe.de, 32% (33 requests) were made to Onlineservice.swe.de and 9% (9 requests) were made to Fonts.stadtwerke-ssl.de. The less responsive or slowest element that took the longest time to load (916 ms) belongs to the original domain Swe.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 253.7 kB (15%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Swe.de main page is 1.7 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. 50% of websites need less resources to load. Images take 702.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 193.1 kB

  • Original 231.4 kB
  • After minification 222.2 kB
  • After compression 38.2 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. 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 193.1 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 25.7 kB

  • Original 702.9 kB
  • After minification 677.2 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. SWE images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 27.7 kB

  • Original 549.1 kB
  • After minification 549.1 kB
  • After compression 521.4 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

-3%

Potential reduce by 7.2 kB

  • Original 211.3 kB
  • After minification 210.6 kB
  • After compression 204.1 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. Swe.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 54 (59%)

Requests Now

92

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SWE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

swe.de accessibility score

92

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

swe.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

swe.de SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

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

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