Tools & Wizards About Us
muw.rwth-aachen.de screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

muw.rwth-aachen.de

RWTH AACHEN UNIVERSITY Division of Materials Science and Engineering - English

Page Load Speed

7.1 sec in total

First Response

446 ms

Resources Loaded

6.4 sec

Page Rendered

215 ms

muw.rwth-aachen.de screenshot

About Website

Visit muw.rwth-aachen.de now to see the best up-to-date Muw RWTH AACHEN content for Germany and also check out these interesting facts you probably never knew about muw.rwth-aachen.de

RWTH Aachen University - Division of Materials Science and Engineering - Division of Materials Science and Engineering - Homepage

Visit muw.rwth-aachen.de

Key Findings

We analyzed Muw.rwth-aachen.de page load time and found that the first response time was 446 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

muw.rwth-aachen.de performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.793

5/100

15%

TTI (Time to Interactive)

Value5.8 s

66/100

10%

Network Requests Diagram

muw.rwth-aachen.de

446 ms

muw.rwth-aachen.de

728 ms

179 ms

1377 ms

aw_mobile.asp

333 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that all of those requests were addressed to Muw.rwth-aachen.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Muw.rwth-aachen.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 337.4 kB (24%)

Content Size

1.4 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Muw.rwth-aachen.de main page is 1.4 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. 25% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 35.8 kB

  • Original 43.2 kB
  • After minification 41.8 kB
  • After compression 7.4 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. 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 35.8 kB or 83% of the original size.

Image Optimization

-23%

Potential reduce by 236.5 kB

  • Original 1.0 MB
  • After minification 802.8 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, Muw RWTH AACHEN needs image optimization as it can save up to 236.5 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-18%

Potential reduce by 49.6 kB

  • Original 270.1 kB
  • After minification 269.5 kB
  • After compression 220.4 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 49.6 kB or 18% of the original size.

CSS Optimization

-26%

Potential reduce by 15.5 kB

  • Original 59.4 kB
  • After minification 59.4 kB
  • After compression 43.9 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. Muw.rwth-aachen.de needs all CSS files to be minified and compressed as it can save up to 15.5 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (39%)

Requests Now

28

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Muw RWTH AACHEN. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

muw.rwth-aachen.de

muw.rwth-aachen.de

446 ms

muw.rwth-aachen.de

muw.rwth-aachen.de

728 ms

179 ms

1377 ms

aw_mobile.asp

aw_mobile.asp

333 ms

styles.css

styles.css

668 ms

jquery-3.6.0.js

jquery-3.6.0.js

1731 ms

jquery.ui-1.13.0.js

jquery.ui-1.13.0.js

1669 ms

__basic-behaviour.js

__basic-behaviour.js

697 ms

__base-modules.js

__base-modules.js

798 ms

__base-modules-2.js

__base-modules-2.js

1016 ms

__rwth.js

__rwth.js

782 ms

customscript.js

customscript.js

807 ms

aw_mobile_jquery.js

aw_mobile_jquery.js

893 ms

show_picture.asp

show_picture.asp

551 ms

icon-sprites.png

icon-sprites.png

555 ms

teaser-wrapper-small-sprite.png

teaser-wrapper-small-sprite.png

112 ms

show_picture.asp

show_picture.asp

655 ms

show_picture.asp

show_picture.asp

1478 ms

show_picture.asp

show_picture.asp

763 ms

show_picture.asp

show_picture.asp

1418 ms

show_picture.asp

show_picture.asp

1534 ms

border-50.png

border-50.png

660 ms

line-color-teaser.png

line-color-teaser.png

765 ms

dotted-line-persona.png

dotted-line-persona.png

770 ms

show_picture.asp

show_picture.asp

881 ms

show_picture.asp

show_picture.asp

1744 ms

border-25.png

border-25.png

880 ms

icon-sprites-1.png

icon-sprites-1.png

991 ms

tablet.css

tablet.css

114 ms

tablet-portrait.css

tablet-portrait.css

116 ms

print.css

print.css

114 ms

Accessibility Review

muw.rwth-aachen.de accessibility score

90

Accessibility Issues

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

muw.rwth-aachen.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

SEO Factors

muw.rwth-aachen.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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Muw.rwth-aachen.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 Muw.rwth-aachen.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

muw.rwth-aachen.de

Open Graph description is not detected on the main page of Muw RWTH AACHEN. 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: