Tools & Wizards About Us
ihi-zittau.de screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ihi-zittau.de

International Institute (IHI) Zittau, Central Academic Unit of TU Dresden — International Institute Zittau — TU Dresden

Page Load Speed

7.8 sec in total

First Response

412 ms

Resources Loaded

7.1 sec

Page Rendered

303 ms

ihi-zittau.de screenshot

About Website

Visit ihi-zittau.de now to see the best up-to-date IHI Zittau content for Germany and also check out these interesting facts you probably never knew about ihi-zittau.de

About 300 students from more than 30 nations on 4 continents - IHI Zittau as a Central Academic Unit of TU Dresden has the character of an international graduate school with its own masters' …

Visit ihi-zittau.de

Key Findings

We analyzed Ihi-zittau.de page load time and found that the first response time was 412 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

ihi-zittau.de performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value410 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

ihi-zittau.de

412 ms

1564 ms

resourcejquery-cachekey-4aef62994186a1329402f5a803951902.css

113 ms

themetud.theme.webcms2cssanonymous.min-cachekey-39569553124b579e21ac861191e0fc40.css

335 ms

resourcecollective.js.leafletleaflet-cachekey-03ebb7b6e6c109684fb039f0928cef3f.css

323 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Ihi-zittau.de, 94% (46 requests) were made to Tu-dresden.de and 4% (2 requests) were made to Matomo.tu-dresden.de. The less responsive or slowest element that took the longest time to load (4 sec) relates to the external source Tu-dresden.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.4 kB (22%)

Content Size

607.7 kB

After Optimization

474.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Ihi-zittau.de main page is 607.7 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. 40% of websites need less resources to load. Images take 469.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 62.4 kB

  • Original 72.8 kB
  • After minification 47.3 kB
  • After compression 10.4 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 25.5 kB, which is 35% 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 62.4 kB or 86% of the original size.

Image Optimization

-6%

Potential reduce by 26.5 kB

  • Original 469.1 kB
  • After minification 442.6 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. IHI Zittau images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 44.4 kB

  • Original 65.8 kB
  • After minification 65.8 kB
  • After compression 21.4 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 44.4 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (36%)

Requests Now

42

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IHI Zittau. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ihi-zittau.de

ihi-zittau.de

412 ms

1564 ms

resourcejquery-cachekey-4aef62994186a1329402f5a803951902.css

resourcejquery-cachekey-4aef62994186a1329402f5a803951902.css

113 ms

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themetud.theme.webcms2cssanonymous.min-cachekey-39569553124b579e21ac861191e0fc40.css

335 ms

resourcecollective.js.leafletleaflet-cachekey-03ebb7b6e6c109684fb039f0928cef3f.css

resourcecollective.js.leafletleaflet-cachekey-03ebb7b6e6c109684fb039f0928cef3f.css

323 ms

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resourceplone.formwidget.contenttreecontenttree-cachekey-9e187886a470083b86c54480dcc551a6.css

324 ms

themedefaultstyle-cachekey-219316c2cf5e8eb92d89e5de86e59d77.css

themedefaultstyle-cachekey-219316c2cf5e8eb92d89e5de86e59d77.css

324 ms

resourcetud.addons.ma_lscr_mb_erunhide-cachekey-50553e4b69556aa50d82aba5632d47a1.css

resourcetud.addons.ma_lscr_mb_erunhide-cachekey-50553e4b69556aa50d82aba5632d47a1.css

327 ms

themetud.theme.webcms2jslibs.min-cachekey-cceeff44022c8b9738b0c058ab050f4c.js

themetud.theme.webcms2jslibs.min-cachekey-cceeff44022c8b9738b0c058ab050f4c.js

663 ms

jquery.highlightsearchterms-cachekey-a1ce68440fe5deb943580b9ea50c4ada.js

jquery.highlightsearchterms-cachekey-a1ce68440fe5deb943580b9ea50c4ada.js

430 ms

resourcetud.boxes.webcmsjsboard-cachekey-72191a955986516050201ff594285f6b.js

resourcetud.boxes.webcmsjsboard-cachekey-72191a955986516050201ff594285f6b.js

538 ms

OpenLayers-cachekey-2d62029ecb2341fde59382624d9e51f5.js

OpenLayers-cachekey-2d62029ecb2341fde59382624d9e51f5.js

865 ms

themetud.theme.webcms2jsmodules.min-cachekey-6661283fce715c7b9bfe5865ff4f49d6.js

themetud.theme.webcms2jsmodules.min-cachekey-6661283fce715c7b9bfe5865ff4f49d6.js

545 ms

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445 ms

popupforms-cachekey-6996a3be3ea65a5ebfdd5391e4e3b146.js

popupforms-cachekey-6996a3be3ea65a5ebfdd5391e4e3b146.js

538 ms

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formUnload-cachekey-cf22b04436c618a7e388ee58632567f8.js

557 ms

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unlockOnFormUnload-cachekey-8013e740e9068962b3206a67629e6b79.js

645 ms

flag-de.svg

flag-de.svg

411 ms

flag-en.svg

flag-en.svg

173 ms

tud-logo-white.svg

tud-logo-white.svg

170 ms

border-main.png

border-main.png

456 ms

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169 ms

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233 ms

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227 ms

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446 ms

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687 ms

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349 ms

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353 ms

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456 ms

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609 ms

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530 ms

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565 ms

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571 ms

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566 ms

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948 ms

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673 ms

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688 ms

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688 ms

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719 ms

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tud-logo.svg

787 ms

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800 ms

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opensans-regular.woff

739 ms

opensans-light.woff

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852 ms

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3912 ms

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opensans-bold.woff

838 ms

tud-icons.woff

tud-icons.woff

4016 ms

piwik.js

piwik.js

815 ms

piwik.php

piwik.php

188 ms

themetud.theme.webcms2cssprint.min-cachekey-2f1355a660b29a22cd859921aabe5a93.css

themetud.theme.webcms2cssprint.min-cachekey-2f1355a660b29a22cd859921aabe5a93.css

111 ms

Accessibility Review

ihi-zittau.de accessibility score

89

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

Links do not have a discernible name

Best Practices

ihi-zittau.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

High

Missing source maps for large first-party JavaScript

SEO Factors

ihi-zittau.de SEO score

83

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Ihi-zittau.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 Ihi-zittau.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

ihi-zittau.de

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