Tools & Wizards About Us
imk-aaf.kit.edu screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

imk-aaf.kit.edu

KIT - IMK-AAF - Department Atmospheric Aerosol Research

Page Load Speed

18.6 sec in total

First Response

379 ms

Resources Loaded

6.3 sec

Page Rendered

11.9 sec

imk-aaf.kit.edu screenshot

About Website

Click here to check amazing IMK AAF KIT content for Germany. Otherwise, check out these important facts you probably never knew about imk-aaf.kit.edu

Aerosols, Clouds, and Atmospheric Chemistry: Homepage of the Atmospheric Aerosol Research Division at IMK, Karlsruhe Institute of Technology

Visit imk-aaf.kit.edu

Key Findings

We analyzed Imk-aaf.kit.edu page load time and found that the first response time was 379 ms and then it took 18.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

imk-aaf.kit.edu performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

imk-aaf.kit.edu

379 ms

imk-aaf.kit.edu

445 ms

www.imk-aaf.kit.edu

695 ms

jquery.fancybox.min.css

653 ms

all.min.css

872 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 56% of them (14 requests) were addressed to the original Imk-aaf.kit.edu, 44% (11 requests) were made to Static.scc.kit.edu. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Imk-aaf.kit.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 104.6 kB (0%)

Content Size

40.8 MB

After Optimization

40.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Imk-aaf.kit.edu main page is 40.8 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. Images take 40.6 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 35.3 kB

  • Original 47.2 kB
  • After minification 41.5 kB
  • After compression 11.9 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. This page needs HTML code to be minified as it can gain 5.6 kB, which is 12% 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 35.3 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 59.1 kB

  • Original 40.6 MB
  • After minification 40.6 MB

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. IMK AAF KIT images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 3.0 kB

  • Original 116.2 kB
  • After minification 116.2 kB
  • After compression 113.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-13%

Potential reduce by 7.1 kB

  • Original 57.0 kB
  • After minification 57.0 kB
  • After compression 49.8 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. Imk-aaf.kit.edu needs all CSS files to be minified and compressed as it can save up to 7.1 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (39%)

Requests Now

18

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IMK AAF KIT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

imk-aaf.kit.edu

imk-aaf.kit.edu

379 ms

imk-aaf.kit.edu

imk-aaf.kit.edu

445 ms

www.imk-aaf.kit.edu

www.imk-aaf.kit.edu

695 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

653 ms

all.min.css

all.min.css

872 ms

31.php

31.php

109 ms

7.php.css

7.php.css

331 ms

legacy-compat.js

legacy-compat.js

972 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

1082 ms

main.js

main.js

1194 ms

kit.js

kit.js

978 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

1102 ms

banner_Ottmar_contrails.jpg

banner_Ottmar_contrails.jpg

906 ms

20240710-MB-01-IMKAAF.jpg

20240710-MB-01-IMKAAF.jpg

3489 ms

news_ufp_conference_2024_rdax_1024x683_98.png

news_ufp_conference_2024_rdax_1024x683_98.png

1298 ms

news_KITImagefilm_rdax_98.PNG

news_KITImagefilm_rdax_98.PNG

1048 ms

20200714-CN-02-014_rdax_98s.jpg

20200714-CN-02-014_rdax_98s.jpg

929 ms

news_excellencetalks_Cziczo_rdax_1024x683_98.PNG

news_excellencetalks_Cziczo_rdax_1024x683_98.PNG

1296 ms

news_M%C3%BCnchen2023_rdax_98s.jpg

news_M%C3%BCnchen2023_rdax_98s.jpg

1132 ms

news_Cziczo_KITfellow_rdax_1024x683_98s.jpg

news_Cziczo_KITfellow_rdax_1024x683_98s.jpg

1200 ms

Bild_20190402_090239_rdax_168x95s.jpg

Bild_20190402_090239_rdax_168x95s.jpg

1200 ms

roboto-v20-latin-300.woff

roboto-v20-latin-300.woff

222 ms

roboto-v20-latin-regular.woff

roboto-v20-latin-regular.woff

235 ms

roboto-v20-latin-700.woff

roboto-v20-latin-700.woff

236 ms

kit-icons.ttf

kit-icons.ttf

116 ms

Accessibility Review

imk-aaf.kit.edu accessibility score

83

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[accesskey] values are not unique

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible 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.

Best Practices

imk-aaf.kit.edu 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

imk-aaf.kit.edu SEO score

75

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

High

Document doesn't have a valid hreflang

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 Imk-aaf.kit.edu 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 Imk-aaf.kit.edu 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

imk-aaf.kit.edu

Open Graph description is not detected on the main page of IMK AAF KIT. 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: