Tools & Wizards About Us
sogo.uni-konstanz.de screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

sogo.uni-konstanz.de

SOGo Uni Konstanz

Page Load Speed

1.9 sec in total

First Response

311 ms

Resources Loaded

1.5 sec

Page Rendered

128 ms

sogo.uni-konstanz.de screenshot

About Website

Visit sogo.uni-konstanz.de now to see the best up-to-date SOGo Uni Konstanz content for China and also check out these interesting facts you probably never knew about sogo.uni-konstanz.de

SOGo Web Interface

Visit sogo.uni-konstanz.de

Key Findings

We analyzed Sogo.uni-konstanz.de page load time and found that the first response time was 311 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

sogo.uni-konstanz.de performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.6 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

sogo.uni-konstanz.de

311 ms

467 ms

generic.css

104 ms

dtree.css

206 ms

SOGoRootPage.css

303 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Sogo.uni-konstanz.de and no external sources were called. The less responsive or slowest element that took the longest time to load (604 ms) belongs to the original domain Sogo.uni-konstanz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 404.5 kB (75%)

Content Size

538.8 kB

After Optimization

134.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sogo.uni-konstanz.de main page is 538.8 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. 20% of websites need less resources to load. Javascripts take 462.8 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 8.6 kB

  • Original 12.9 kB
  • After minification 12.1 kB
  • After compression 4.3 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 8.6 kB or 67% of the original size.

Image Optimization

-33%

Potential reduce by 10.8 kB

  • Original 32.5 kB
  • After minification 21.7 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. Obviously, SOGo Uni Konstanz needs image optimization as it can save up to 10.8 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-78%

Potential reduce by 360.6 kB

  • Original 462.8 kB
  • After minification 355.9 kB
  • After compression 102.2 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 360.6 kB or 78% of the original size.

CSS Optimization

-80%

Potential reduce by 24.5 kB

  • Original 30.6 kB
  • After minification 24.1 kB
  • After compression 6.1 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. Sogo.uni-konstanz.de needs all CSS files to be minified and compressed as it can save up to 24.5 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (57%)

Requests Now

23

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SOGo Uni Konstanz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sogo.uni-konstanz.de

sogo.uni-konstanz.de

311 ms

467 ms

generic.css

generic.css

104 ms

dtree.css

dtree.css

206 ms

SOGoRootPage.css

SOGoRootPage.css

303 ms

sogo-logo.png

sogo-logo.png

403 ms

inverse.png

inverse.png

317 ms

busy.gif

busy.gif

317 ms

prototype.js

prototype.js

520 ms

jquery.js

jquery.js

412 ms

tablekit.js

tablekit.js

403 ms

tablekit-trueresize.js

tablekit-trueresize.js

403 ms

tablekit-sogo.js

tablekit-sogo.js

403 ms

JavascriptAPIExtensions.js

JavascriptAPIExtensions.js

502 ms

HTMLElement.js

HTMLElement.js

503 ms

HTMLInputElement.js

HTMLInputElement.js

502 ms

HTMLTableElement.js

HTMLTableElement.js

502 ms

generic.js

generic.js

514 ms

SOGoDragHandles.js

SOGoDragHandles.js

601 ms

SOGoTabsController.js

SOGoTabsController.js

601 ms

SOGoRootPage.js

SOGoRootPage.js

602 ms

PasswordPolicy.js

PasswordPolicy.js

604 ms

input_bg.gif

input_bg.gif

312 ms

btn_a_bg.png

btn_a_bg.png

312 ms

btn_span_bg.png

btn_span_bg.png

395 ms

Accessibility Review

sogo.uni-konstanz.de accessibility score

90

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

sogo.uni-konstanz.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

High

Page has valid source maps

SEO Factors

sogo.uni-konstanz.de SEO score

100

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sogo.uni-konstanz.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 Sogo.uni-konstanz.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

sogo.uni-konstanz.de

Open Graph description is not detected on the main page of SOGo Uni Konstanz. 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: