Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

chembiol.uni-konstanz.de

Konstanz Research School Chemical Biology (KoRS-CB)

Page Load Speed

4.2 sec in total

First Response

521 ms

Resources Loaded

3.6 sec

Page Rendered

105 ms

chembiol.uni-konstanz.de screenshot

About Website

Visit chembiol.uni-konstanz.de now to see the best up-to-date Chembiol Uni Konstanz content for China and also check out these interesting facts you probably never knew about chembiol.uni-konstanz.de

This is the Website of the Konstanz Research School Chemical Biology. The graduate school is supported by the German Excellence Initiative.

Visit chembiol.uni-konstanz.de

Key Findings

We analyzed Chembiol.uni-konstanz.de page load time and found that the first response time was 521 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

chembiol.uni-konstanz.de performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.203

61/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

chembiol.uni-konstanz.de

521 ms

home.html

692 ms

dlh_googlemaps.css

204 ms

jquery.fancybox-1.3.4.css

208 ms

0426eb64904d.css

210 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 78% of them (18 requests) were addressed to the original Chembiol.uni-konstanz.de, 9% (2 requests) were made to S7.addthis.com and 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Chembiol.uni-konstanz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 388.3 kB (62%)

Content Size

627.9 kB

After Optimization

239.6 kB

In fact, the total size of Chembiol.uni-konstanz.de main page is 627.9 kB. 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. Javascripts take 523.5 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 40.9 kB

  • Original 59.6 kB
  • After minification 59.1 kB
  • After compression 18.7 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 40.9 kB or 69% of the original size.

Image Optimization

-16%

Potential reduce by 3.8 kB

  • Original 23.3 kB
  • After minification 19.5 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, Chembiol Uni Konstanz needs image optimization as it can save up to 3.8 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 326.2 kB

  • Original 523.5 kB
  • After minification 519.2 kB
  • After compression 197.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 326.2 kB or 62% of the original size.

CSS Optimization

-81%

Potential reduce by 17.4 kB

  • Original 21.5 kB
  • After minification 17.8 kB
  • After compression 4.1 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. Chembiol.uni-konstanz.de needs all CSS files to be minified and compressed as it can save up to 17.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (52%)

Requests Now

21

After Optimization

10

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chembiol Uni Konstanz. 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.

Accessibility Review

chembiol.uni-konstanz.de accessibility score

100

Accessibility Issues

Best Practices

chembiol.uni-konstanz.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

High

Missing source maps for large first-party JavaScript

SEO Factors

chembiol.uni-konstanz.de SEO score

88

Search Engine Optimization Advices

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 Chembiol.uni-konstanz.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 Chembiol.uni-konstanz.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 Chembiol Uni Konstanz. 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: