Tools & Wizards About Us
blutspende.de screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

blutspende.de

DRK-Blutspendedienste | DRK-Blutspendedienst Baden-Württemberg – Hessen

Page Load Speed

2.4 sec in total

First Response

352 ms

Resources Loaded

2 sec

Page Rendered

110 ms

blutspende.de screenshot

About Website

Click here to check amazing Blutspende content for Germany. Otherwise, check out these important facts you probably never knew about blutspende.de

Bundesweite Verteilerseite

Visit blutspende.de

Key Findings

We analyzed Blutspende.de page load time and found that the first response time was 352 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

blutspende.de performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value3,250 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.06

98/100

15%

TTI (Time to Interactive)

Value9.4 s

30/100

10%

Network Requests Diagram

blutspende.de

352 ms

www.blutspende.de

539 ms

bootstrap.min.css

748 ms

bootstrap-theme.css

375 ms

style.css

469 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 94% of them (15 requests) were addressed to the original Blutspende.de, 6% (1 request) were made to Webanalytics.drk-blutspende.de. The less responsive or slowest element that took the longest time to load (748 ms) belongs to the original domain Blutspende.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 290.9 kB (73%)

Content Size

396.0 kB

After Optimization

105.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blutspende.de main page is 396.0 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. 15% of websites need less resources to load. CSS take 196.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 7.1 kB

  • Original 9.7 kB
  • After minification 8.2 kB
  • After compression 2.6 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 1.6 kB, which is 16% 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 7.1 kB or 73% of the original size.

Image Optimization

-18%

Potential reduce by 3.0 kB

  • Original 17.0 kB
  • After minification 14.0 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, Blutspende needs image optimization as it can save up to 3.0 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 114.0 kB

  • Original 172.5 kB
  • After minification 172.5 kB
  • After compression 58.5 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 114.0 kB or 66% of the original size.

CSS Optimization

-85%

Potential reduce by 166.8 kB

  • Original 196.7 kB
  • After minification 178.9 kB
  • After compression 30.0 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. Blutspende.de needs all CSS files to be minified and compressed as it can save up to 166.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (29%)

Requests Now

14

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blutspende. 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 CSS and as a result speed up the page load time.

Network Requests Diagram

blutspende.de

blutspende.de

352 ms

www.blutspende.de

www.blutspende.de

539 ms

bootstrap.min.css

bootstrap.min.css

748 ms

bootstrap-theme.css

bootstrap-theme.css

375 ms

style.css

style.css

469 ms

fontello.css

fontello.css

284 ms

drk-blutspende.css

drk-blutspende.css

570 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

658 ms

bootstrap.min.js

bootstrap.min.js

656 ms

logo.png

logo.png

99 ms

icon-blutspendernet.png

icon-blutspendernet.png

96 ms

icon-terminsuche.png

icon-terminsuche.png

95 ms

icon-cross.png

icon-cross.png

98 ms

piwik.js

piwik.js

449 ms

fontello.woff

fontello.woff

95 ms

www.blutspende.de

www.blutspende.de

97 ms

Accessibility Review

blutspende.de accessibility score

96

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

blutspende.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

blutspende.de SEO score

100

Search Engine Optimization Advices

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

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 Blutspende.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 Blutspende.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

blutspende.de

Open Graph description is not detected on the main page of Blutspende. 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: