Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

corscience.de

Defibrillation | Consulting & Entwicklung | Lizenzen & Module

Page Load Speed

3.5 sec in total

First Response

304 ms

Resources Loaded

2.2 sec

Page Rendered

927 ms

corscience.de screenshot

About Website

Visit corscience.de now to see the best up-to-date Corscience content and also check out these interesting facts you probably never knew about corscience.de

Defibrillatoren schneller auf den Markt bringen: Corscience unterstützt mit Beratung, Entwicklungsdienstleistung, Lizenzprodukten, Modulen.

Visit corscience.de

Key Findings

We analyzed Corscience.de page load time and found that the first response time was 304 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

corscience.de performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

corscience.de

304 ms

corscience.de

409 ms

555 ms

autoptimize_71c85076c5d92c5330d34af5462fffd3.css

313 ms

autoptimize_single_7b697875ef89d3b14cfbe5768bd12ccc.css

292 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 8% of them (2 requests) were addressed to the original Corscience.de, 92% (24 requests) were made to Corscience.com. The less responsive or slowest element that took the longest time to load (719 ms) relates to the external source Corscience.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (74%)

Content Size

2.2 MB

After Optimization

558.4 kB

In fact, the total size of Corscience.de main page is 2.2 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. 40% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 190.3 kB

  • Original 222.7 kB
  • After minification 222.5 kB
  • After compression 32.4 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 190.3 kB or 85% of the original size.

Image Optimization

-94%

Potential reduce by 1.4 MB

  • Original 1.5 MB
  • After minification 96.7 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, Corscience needs image optimization as it can save up to 1.4 MB or 94% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 169 B

  • Original 292.9 kB
  • After minification 292.9 kB
  • After compression 292.8 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

-0%

Potential reduce by 392 B

  • Original 136.9 kB
  • After minification 136.9 kB
  • After compression 136.5 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. Corscience.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (57%)

Requests Now

23

After Optimization

10

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Corscience. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

corscience.de accessibility score

88

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA IDs are not unique

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

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

Links do not have a discernible name

Best Practices

corscience.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

corscience.de SEO score

90

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

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Corscience.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 Corscience.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 data is detected on the main page of Corscience. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: