Tools & Wizards About Us
sw-ka.de screenshot

Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

sw-ka.de

Studierendenwerk Karlsruhe

Page Load Speed

4 sec in total

First Response

221 ms

Resources Loaded

2.6 sec

Page Rendered

1.2 sec

sw-ka.de screenshot

About Website

Welcome to sw-ka.de homepage info - get ready to check Sw Ka best content for Germany right away, or after learning these important things about sw-ka.de

Alles rund ums Studium - Das Studentenwerk Karlsruhe

Visit sw-ka.de

Key Findings

We analyzed Sw-ka.de page load time and found that the first response time was 221 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

sw-ka.de performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value3.8 s

90/100

10%

Network Requests Diagram

sw-ka.de

221 ms

208 ms

plato.css

172 ms

navigation_mobile_2.css

260 ms

magnific-popup.css

263 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 95% of them (41 requests) were addressed to the original Sw-ka.de, 5% (2 requests) were made to Stats.sw-ka.de. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Sw-ka.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 823.1 kB (10%)

Content Size

8.1 MB

After Optimization

7.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sw-ka.de main page is 8.1 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. 40% of websites need less resources to load. Images take 7.9 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 93.0 kB

  • Original 108.5 kB
  • After minification 89.9 kB
  • After compression 15.5 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. This page needs HTML code to be minified as it can gain 18.6 kB, which is 17% 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 93.0 kB or 86% of the original size.

Image Optimization

-9%

Potential reduce by 718.2 kB

  • Original 7.9 MB
  • After minification 7.2 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 Ka images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 2.9 kB

  • Original 81.9 kB
  • After minification 81.9 kB
  • After compression 79.1 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

-31%

Potential reduce by 9.0 kB

  • Original 28.8 kB
  • After minification 28.8 kB
  • After compression 19.7 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-ka.de needs all CSS files to be minified and compressed as it can save up to 9.0 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (39%)

Requests Now

41

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sw Ka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sw-ka.de

sw-ka.de

221 ms

208 ms

plato.css

plato.css

172 ms

navigation_mobile_2.css

navigation_mobile_2.css

260 ms

magnific-popup.css

magnific-popup.css

263 ms

jquery.bxslider.min.css

jquery.bxslider.min.css

263 ms

style.css

style.css

271 ms

style_custom.css

style_custom.css

273 ms

navigation_dropdown.css

navigation_dropdown.css

270 ms

media.css

media.css

346 ms

media_tablet.css

media_tablet.css

350 ms

media_mobile.css

media_mobile.css

351 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

453 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

361 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

362 ms

navi.js

navi.js

432 ms

js.cookie.js

js.cookie.js

437 ms

script.js

script.js

437 ms

jqscript.js

jqscript.js

451 ms

logo-swka-neg.svg

logo-swka-neg.svg

175 ms

studentenwerk_karlsruhe_printlogo.gif

studentenwerk_karlsruhe_printlogo.gif

89 ms

facebook.svg

facebook.svg

92 ms

twitter.svg

twitter.svg

93 ms

instagram.svg

instagram.svg

95 ms

contrast-white.svg

contrast-white.svg

89 ms

6063_infopoint.svg

6063_infopoint.svg

178 ms

6062_kultur_events.svg

6062_kultur_events.svg

265 ms

6064_jobs_studierende.svg

6064_jobs_studierende.svg

184 ms

6065_antraege.svg

6065_antraege.svg

181 ms

6066_werben.svg

6066_werben.svg

186 ms

6067_jobs_swka.svg

6067_jobs_swka.svg

261 ms

7394_dach-gesucht-2023-facebook.png

7394_dach-gesucht-2023-facebook.png

867 ms

image_post_tassen-rueckgabe_2_1409.png

image_post_tassen-rueckgabe_2_1409.png

630 ms

image_post_beratungswerk_august_2024_1408.png

image_post_beratungswerk_august_2024_1408.png

628 ms

image_post_update_geschlossen_1407.png

image_post_update_geschlossen_1407.png

448 ms

image_post-kaffeestempelaktion-mehrwegbecher-verlaengert-2024_1406.jpg

image_post-kaffeestempelaktion-mehrwegbecher-verlaengert-2024_1406.jpg

435 ms

image_bafoeg_beratungswerk_post_1405.png

image_bafoeg_beratungswerk_post_1405.png

697 ms

6701_myenergychallenge-digital-banner-1-rz.png

6701_myenergychallenge-digital-banner-1-rz.png

608 ms

login.svg

login.svg

538 ms

7597_24-04-23_studentenhaus_header_1.png

7597_24-04-23_studentenhaus_header_1.png

1316 ms

htg-grau-struktur.jpg

htg-grau-struktur.jpg

671 ms

piwik.js

piwik.js

469 ms

piwik.php

piwik.php

123 ms

Accessibility Review

sw-ka.de accessibility score

79

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

sw-ka.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sw-ka.de SEO score

97

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sw-ka.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Sw-ka.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-ka.de

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