Access dhbw-karlsruhe.de. DHBW Karlsruhe | Duales Studium in Karlsruhe

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

dhbw-karlsruhe.de

339 ms

361 ms

style.css

104 ms

stylesheet_5e809bf66c.css

207 ms

CssBasic.css

295 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 88% of them (77 requests) were addressed to the original Dhbw-karlsruhe.de, 8% (7 requests) were made to Apis.google.com and 1% (1 request) were made to Accounts.google.com. The less responsive or slowest element that took the longest time to load (699 ms) belongs to the original domain Dhbw-karlsruhe.de.

Content Size

1.5 MB

After Optimization

866.3 kB

In fact, the total size of Dhbw-karlsruhe.de main page is 1.5 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. 50% of websites need less resources to load. Images take 695.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 67.6 kB

Original 80.1 kB
After minification 76.9 kB
After compression 12.6 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 67.6 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 7.2 kB

Original 695.0 kB
After minification 687.8 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. DHBW Karlsruhe images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 457.5 kB

Original 601.8 kB
After minification 491.7 kB
After compression 144.3 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 457.5 kB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 117.4 kB

Original 139.1 kB
After minification 102.0 kB
After compression 21.7 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. Dhbw-karlsruhe.de needs all CSS files to be minified and compressed as it can save up to 117.4 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DHBW Karlsruhe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

ARIA input fields do not have accessible names

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

DE
Language Claimed

DE
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dhbw-karlsruhe.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Dhbw-karlsruhe.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

dhbw-karlsruhe.de

Open Graph description is not detected on the main page of DHBW Karlsruhe. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

DHBW Karlsruhe | Duales Studium in Karlsruhe

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

dhbw-karlsruhe.de

style.css

stylesheet_5e809bf66c.css

CssBasic.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

dhbw-karlsruhe.de

style.css

stylesheet_5e809bf66c.css

CssBasic.css

jquery.ui.theme.css

jquery.ui.datepicker.css

javascript_b9ac716825.js

jquery.min.js

jquery-ui.min.js

jsfunctions.js

red.css

swfobject.js

plusone.js

gallery.css

slimbox_de.css

shadowbox.js

shadowbox.css

jquery.ui.datepicker.min.js

jquery.validationEngine-en.js

jquery.validationEngine.js

tabs.js

powermail_frontend.js

form.js

cb=gapi.loaded_0

gb.gif

fr.gif

bg_colleft.gif

foto865_0.jpg

logo.png

yellowbackground.gif

yellowlens.gif

yellowborder.gif

bg_colright.gif

csm_Logo_Weltoffene_Hochschulen_gegen_Fremdenfeindlichkeit_b34b13cb2a.png

profil4_ChristophSchmidt.jpg

fblogo.jpg

dhbw_image.jpg

csm_bnews1411_SondersDruckfahne_01_ccbd6bbd88.jpg

csm_bnews1602_GD16Front_6cb4d7b93f.jpg

csm_bnews1304_SchokuMusik0_ce3ed1401c.jpg

csm_bnews1601_ToTAnk%C3%BCFront_453c5b4868.jpg

csm_bnews1601_KinderCollegeSSAnk%C3%BC_a81ead6af5.jpg

csm_bnews1302_FameLab_01_6c3bd1b2c4.jpg

csm_bnews1602_Mathekurse_0979784330.jpg