2.9 sec in total
Welcome to catalysis.de homepage info - get ready to check Catalysis best content for India right away, or after learning these important things about catalysis.de
Catalysis. Leibniz-Institut für Katalyse. Forschung über Katalysatoren.Visit catalysis.de
We analyzed Catalysis.de page load time and found that the first response time was 303 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
catalysis.de performance score
Our browser made a total of 37 requests to load all elements on the main page. We found that 51% of them (19 requests) were addressed to the original Catalysis.de, 16% (6 requests) were made to Fonts.gstatic.com and 8% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (597 ms) belongs to the original domain Catalysis.de.
Page size can be reduced by 700.1 kB (55%)
In fact, the total size of Catalysis.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. 70% of websites need less resources to load. CSS take 467.4 kB which makes up the majority of the site volume.
Potential reduce by 16.2 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 16.2 kB or 72% of the original size.
Potential reduce by 84.6 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. Obviously, Catalysis needs image optimization as it can save up to 84.6 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 209.2 kB
Potential reduce by 390.2 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. Catalysis.de needs all CSS files to be minified and compressed as it can save up to 390.2 kB or 83% of the original size.
Number of requests can be reduced by 8 (29%)
catalysis.de accessibility score
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.
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
<html> element does not have a [lang] attribute
catalysis.de best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Page has valid source maps
catalysis.de SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
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/).
Document uses legible font sizes
Tap targets are not sized appropriately
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Catalysis.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Catalysis.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.
Open Graph description is not detected on the main page of Catalysis. 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: