Access wissenschaft-im-dialog.de. Wissenschaft im Dialog

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value900 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

wissenschaft-im-dialog.de

235 ms

www.wissenschaft-im-dialog.de

863 ms

7ff43ef5c1.css

103 ms

widcalendar.min.css

205 ms

owl.carousel.min.css

302 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that all of those requests were addressed to Wissenschaft-im-dialog.de and no external sources were called. The less responsive or slowest element that took the longest time to load (4.4 sec) belongs to the original domain Wissenschaft-im-dialog.de.

Content Size

1.3 MB

After Optimization

1.1 MB

In fact, the total size of Wissenschaft-im-dialog.de main page is 1.3 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. 65% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 48.6 kB

Original 56.4 kB
After minification 40.1 kB
After compression 7.8 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 16.3 kB, which is 29% 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 48.6 kB or 86% of the original size.

Image Optimization

-11%

Potential reduce by 145.1 kB

Original 1.3 MB
After minification 1.1 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. Obviously, Wissenschaft Im Dialog needs image optimization as it can save up to 145.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Now

After Optimization

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wissenschaft Im Dialog. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 8 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-*] attributes do not match their roles

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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

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

High

Page has valid source maps

Search Engine Optimization Advices

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

High

robots.txt is not valid

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

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 Wissenschaft-im-dialog.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 Wissenschaft-im-dialog.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

Open Graph description is not detected on the main page of Wissenschaft Im Dialog. 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: