Tools & Wizards About Us
llz.uni-halle.de screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

llz.uni-halle.de

LLZ | Center for media-enhanced Learning and Teaching

Page Load Speed

1.8 sec in total

First Response

319 ms

Resources Loaded

1.3 sec

Page Rendered

197 ms

llz.uni-halle.de screenshot

About Website

Visit llz.uni-halle.de now to see the best up-to-date LLZ Uni Halle content for Germany and also check out these interesting facts you probably never knew about llz.uni-halle.de

Das LLZ | Zentrum für multimediales Lehren und Lernen unterstützt als zentrale Einrichtung der Martin-Luther-Universität Halle-Wittenberg den Einsatz multimedialer Angebote in Lehr- und Lernprozessen.

Visit llz.uni-halle.de

Key Findings

We analyzed Llz.uni-halle.de page load time and found that the first response time was 319 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

llz.uni-halle.de performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value6.0 s

65/100

10%

Network Requests Diagram

llz.uni-halle.de

319 ms

styles.css

101 ms

highslide.css

201 ms

cookies.js

201 ms

wcms-fontsize.js

203 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 76% of them (35 requests) were addressed to the original Llz.uni-halle.de, 9% (4 requests) were made to F.vimeocdn.com and 4% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (514 ms) relates to the external source Piwik.urz.uni-halle.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 471.6 kB (65%)

Content Size

723.5 kB

After Optimization

251.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Llz.uni-halle.de main page is 723.5 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. 45% of websites need less resources to load. Javascripts take 447.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 20.0 kB

  • Original 25.8 kB
  • After minification 22.9 kB
  • After compression 5.8 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 2.9 kB, which is 11% 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 20.0 kB or 77% of the original size.

Image Optimization

-6%

Potential reduce by 6.1 kB

  • Original 95.0 kB
  • After minification 88.9 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. LLZ Uni Halle images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 309.9 kB

  • Original 447.0 kB
  • After minification 431.0 kB
  • After compression 137.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 309.9 kB or 69% of the original size.

CSS Optimization

-87%

Potential reduce by 135.7 kB

  • Original 155.7 kB
  • After minification 140.6 kB
  • After compression 20.0 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. Llz.uni-halle.de needs all CSS files to be minified and compressed as it can save up to 135.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (68%)

Requests Now

44

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LLZ Uni Halle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

llz.uni-halle.de

llz.uni-halle.de

319 ms

styles.css

styles.css

101 ms

highslide.css

highslide.css

201 ms

cookies.js

cookies.js

201 ms

wcms-fontsize.js

wcms-fontsize.js

203 ms

highslide.js

highslide.js

210 ms

piwik.js

piwik.js

514 ms

base.css

base.css

104 ms

navigation.css

navigation.css

200 ms

basemod.css

basemod.css

203 ms

content.css

content.css

203 ms

newsArchiv.css

newsArchiv.css

206 ms

elearning_banner_410.gif

elearning_banner_410.gif

406 ms

er.gif

er.gif

101 ms

el.gif

el.gif

103 ms

s.gif

s.gif

102 ms

kannte_r.jpg

kannte_r.jpg

102 ms

kannte_l.jpg

kannte_l.jpg

103 ms

signet_left.jpg

signet_left.jpg

223 ms

signet_center.jpg

signet_center.jpg

317 ms

signet_right.jpg

signet_right.jpg

222 ms

lupe.gif

lupe.gif

221 ms

punkt.gif

punkt.gif

222 ms

pfeil.gif

pfeil.gif

221 ms

1358179745_1884_0.jpg

1358179745_1884_0.jpg

413 ms

punkt_g.gif

punkt_g.gif

317 ms

punkt_d.gif

punkt_d.gif

315 ms

email_d.gif

email_d.gif

315 ms

plus_r1.gif

plus_r1.gif

316 ms

minus_r1.gif

minus_r1.gif

414 ms

1341836728_1884_00_111.jpg

1341836728_1884_00_111.jpg

416 ms

pfeil_e.gif

pfeil_e.gif

404 ms

er_u.gif

er_u.gif

405 ms

el_u.gif

el_u.gif

406 ms

s_u.gif

s_u.gif

501 ms

76263681

76263681

88 ms

player.js

player.js

115 ms

player.css

player.css

94 ms

ga.js

ga.js

54 ms

vuid.min.js

vuid.min.js

92 ms

__utm.gif

__utm.gif

39 ms

proxy.html

proxy.html

49 ms

451009875.webp

451009875.webp

149 ms

5440634_60x60.jpg

5440634_60x60.jpg

108 ms

drop-shadow.png

drop-shadow.png

103 ms

zoomout.cur

zoomout.cur

103 ms

Accessibility Review

llz.uni-halle.de accessibility score

80

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

Best Practices

llz.uni-halle.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

llz.uni-halle.de SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Llz.uni-halle.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Llz.uni-halle.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

llz.uni-halle.de

Open Graph description is not detected on the main page of LLZ Uni Halle. 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: