Tools & Wizards About Us
cogsci.uni-osnabrueck.de screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

cogsci.uni-osnabrueck.de

Home - Institute of Cognitive Science

Page Load Speed

3.9 sec in total

First Response

1.2 sec

Resources Loaded

2.6 sec

Page Rendered

169 ms

cogsci.uni-osnabrueck.de screenshot

About Website

Welcome to cogsci.uni-osnabrueck.de homepage info - get ready to check Cogsci Uni Osnabrueck best content for Germany right away, or after learning these important things about cogsci.uni-osnabrueck.de

Osnabrück University

Visit cogsci.uni-osnabrueck.de

Key Findings

We analyzed Cogsci.uni-osnabrueck.de page load time and found that the first response time was 1.2 sec and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

cogsci.uni-osnabrueck.de performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

cogsci.uni-osnabrueck.de

1193 ms

node.css

193 ms

defaults.css

199 ms

system.css

201 ms

user.css

202 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 74% of them (29 requests) were addressed to the original Cogsci.uni-osnabrueck.de, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Cogsci.uni-osnabrueck.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 411.4 kB (72%)

Content Size

572.1 kB

After Optimization

160.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cogsci.uni-osnabrueck.de main page is 572.1 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. 25% of websites need less resources to load. CSS take 296.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 9.0 kB

  • Original 12.5 kB
  • After minification 11.5 kB
  • After compression 3.5 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. 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 9.0 kB or 72% of the original size.

Image Optimization

-22%

Potential reduce by 1.3 kB

  • Original 5.9 kB
  • After minification 4.6 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, Cogsci Uni Osnabrueck needs image optimization as it can save up to 1.3 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 156.4 kB

  • Original 257.6 kB
  • After minification 251.0 kB
  • After compression 101.2 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 156.4 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 244.7 kB

  • Original 296.1 kB
  • After minification 281.3 kB
  • After compression 51.5 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. Cogsci.uni-osnabrueck.de needs all CSS files to be minified and compressed as it can save up to 244.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (77%)

Requests Now

35

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cogsci Uni Osnabrueck. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cogsci.uni-osnabrueck.de

cogsci.uni-osnabrueck.de

1193 ms

node.css

node.css

193 ms

defaults.css

defaults.css

199 ms

system.css

system.css

201 ms

user.css

user.css

202 ms

calendar.css

calendar.css

204 ms

content.css

content.css

202 ms

event.css

event.css

289 ms

extlink.css

extlink.css

297 ms

img_assist.css

img_assist.css

298 ms

fieldgroup.css

fieldgroup.css

296 ms

threecol_33_34_33.css

threecol_33_34_33.css

298 ms

style.css

style.css

298 ms

jquery.js

jquery.js

485 ms

drupal.js

drupal.js

395 ms

extlink.js

extlink.js

396 ms

img_assist.js

img_assist.js

399 ms

googleanalytics.js

googleanalytics.js

397 ms

style.css

style.css

199 ms

cogsci_vert.jpg

cogsci_vert.jpg

941 ms

header_ani_institut.gif

header_ani_institut.gif

107 ms

logo.png

logo.png

113 ms

logo_institut.gif

logo_institut.gif

114 ms

de.png

de.png

113 ms

unilogo.gif

unilogo.gif

106 ms

menu-expanded.png

menu-expanded.png

112 ms

BWahn_0910.jpg

BWahn_0910.jpg

531 ms

link-arrow-up.gif

link-arrow-up.gif

205 ms

ga.js

ga.js

31 ms

__utm.gif

__utm.gif

37 ms

extlink.png

extlink.png

140 ms

ddA-QMaNxHA

ddA-QMaNxHA

117 ms

www-embed-player-vflQrT_sR.css

www-embed-player-vflQrT_sR.css

64 ms

www-embed-player.js

www-embed-player.js

85 ms

yrK4EqpSRdoujKQmsJoZ5WaLgeULvcWnibQMQSxOOnM.js

yrK4EqpSRdoujKQmsJoZ5WaLgeULvcWnibQMQSxOOnM.js

47 ms

ad_status.js

ad_status.js

28 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

98 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

109 ms

print.css

print.css

103 ms

Accessibility Review

cogsci.uni-osnabrueck.de accessibility score

97

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

cogsci.uni-osnabrueck.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cogsci.uni-osnabrueck.de SEO score

91

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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 Cogsci.uni-osnabrueck.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 Cogsci.uni-osnabrueck.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

cogsci.uni-osnabrueck.de

Open Graph description is not detected on the main page of Cogsci Uni Osnabrueck. 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: