Tools & Wizards About Us
hci.ur.de screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

hci.ur.de

Physical-Digital Affordances Group, University of Regensburg [Physical-Digital Affordances Group]

Page Load Speed

3.3 sec in total

First Response

459 ms

Resources Loaded

2.7 sec

Page Rendered

111 ms

hci.ur.de screenshot

About Website

Click here to check amazing Hci Ur content for Germany. Otherwise, check out these important facts you probably never knew about hci.ur.de

Physical-Digital Affordances Group, University of Regensburg About The Physical-Digital Affordances Group at the University of Regensburg explores how the unique affordances of physical and digital me...

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Key Findings

We analyzed Hci.ur.de page load time and found that the first response time was 459 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

hci.ur.de performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value900 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

hci.ur.de

459 ms

hci.ur.de

603 ms

css.php

225 ms

fixedHeader.dataTables.min.css

328 ms

fixedColumns.dataTables.min.css

329 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that all of those requests were addressed to Hci.ur.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Hci.ur.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 130.7 kB (7%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hci.ur.de main page is 1.9 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. 45% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 31.3 kB

  • Original 39.2 kB
  • After minification 37.0 kB
  • After compression 7.9 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 31.3 kB or 80% of the original size.

Image Optimization

-14%

Potential reduce by 98.9 kB

  • Original 707.8 kB
  • After minification 608.9 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, Hci Ur needs image optimization as it can save up to 98.9 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 189 B

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 1.0 MB

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

-0%

Potential reduce by 275 B

  • Original 63.1 kB
  • After minification 63.1 kB
  • After compression 62.8 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. Hci.ur.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (58%)

Requests Now

38

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hci Ur. 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 from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hci.ur.de

hci.ur.de

459 ms

hci.ur.de

hci.ur.de

603 ms

css.php

css.php

225 ms

fixedHeader.dataTables.min.css

fixedHeader.dataTables.min.css

328 ms

fixedColumns.dataTables.min.css

fixedColumns.dataTables.min.css

329 ms

dataTables.bootstrap.min.css

dataTables.bootstrap.min.css

334 ms

buttons.bootstrap.min.css

buttons.bootstrap.min.css

333 ms

font-awesome.min.css

font-awesome.min.css

355 ms

materialdesignicons.min.css

materialdesignicons.min.css

470 ms

jquery.php

jquery.php

663 ms

js.php

js.php

1117 ms

jquery.dataTables.min.js

jquery.dataTables.min.js

443 ms

fixedHeader.dataTables.min.js

fixedHeader.dataTables.min.js

444 ms

fixedColumns.dataTables.min.js

fixedColumns.dataTables.min.js

467 ms

dataTables.buttons.min.js

dataTables.buttons.min.js

553 ms

buttons.html5.min.js

buttons.html5.min.js

555 ms

buttons.print.min.js

buttons.print.min.js

579 ms

jszip.min.js

jszip.min.js

584 ms

pdfmake.min.js

pdfmake.min.js

1139 ms

vfs_fonts.js

vfs_fonts.js

1238 ms

dataTables.bootstrap.min.js

dataTables.bootstrap.min.js

697 ms

buttons.bootstrap.min.js

buttons.bootstrap.min.js

696 ms

script.js

script.js

770 ms

css.php

css.php

609 ms

yeti.fonts.css

yeti.fonts.css

121 ms

bootstrap.min.css

bootstrap.min.css

112 ms

logo.png

logo.png

233 ms

smartphone_screenshot_photo.jpg

smartphone_screenshot_photo.jpg

148 ms

lagbox_glamor_website.jpg

lagbox_glamor_website.jpg

148 ms

si_intro.png

si_intro.png

260 ms

swh_photo.png

swh_photo.png

185 ms

dottrack_title_01.png

dottrack_title_01.png

374 ms

process_small.jpg

process_small.jpg

262 ms

skizze_vigitia_szenario.png

skizze_vigitia_szenario.png

315 ms

graphit.png

graphit.png

395 ms

tiptrack_dragon.jpg

tiptrack_dragon.jpg

384 ms

fw_latency_fig1.png

fw_latency_fig1.png

391 ms

cc.png

cc.png

371 ms

by.png

by.png

423 ms

taskrunner.php

taskrunner.php

575 ms

Open_Sans_400.woff

Open_Sans_400.woff

340 ms

Open_Sans_300.woff

Open_Sans_300.woff

355 ms

Open_Sans_700.woff

Open_Sans_700.woff

364 ms

Open_Sans_400italic.woff

Open_Sans_400italic.woff

377 ms

Open_Sans_300italic.woff

Open_Sans_300italic.woff

435 ms

Open_Sans_700italic.woff

Open_Sans_700italic.woff

458 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

493 ms

Accessibility Review

hci.ur.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

ARIA input fields do not have accessible names

High

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

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

Buttons do not have an accessible name

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

Best Practices

hci.ur.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

High

Missing source maps for large first-party JavaScript

SEO Factors

hci.ur.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 Hci.ur.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 Hci.ur.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

hci.ur.de

Open Graph data is detected on the main page of Hci Ur. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: