3.2 sec in total
291 ms
2.7 sec
253 ms
Click here to check amazing DRK Blutspende content for Germany. Otherwise, check out these important facts you probably never knew about drk-blutspende.de
Informationen zur Blutspende und aktuelle Blutspendetermine beim DRK-Blutspendedienst. Jetzt BlutspenderIn werden!
Visit drk-blutspende.deWe analyzed Drk-blutspende.de page load time and found that the first response time was 291 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
drk-blutspende.de performance score
name
value
score
weighting
Value4.8 s
11/100
10%
Value18.6 s
0/100
25%
Value13.6 s
2/100
10%
Value720 ms
41/100
30%
Value0.162
72/100
15%
Value18.5 s
3/100
10%
291 ms
709 ms
728 ms
376 ms
472 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 76% of them (57 requests) were addressed to the original Drk-blutspende.de, 5% (4 requests) were made to Blutspender.net and 3% (2 requests) were made to Mutspende.de. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Mutspende.de.
Page size can be reduced by 651.1 kB (36%)
1.8 MB
1.2 MB
In fact, the total size of Drk-blutspende.de main page is 1.8 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. 45% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 37.1 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 12.3 kB, which is 27% 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 37.1 kB or 82% of the original size.
Potential reduce by 52.3 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. DRK Blutspende images are well optimized though.
Potential reduce by 355.5 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 355.5 kB or 73% of the original size.
Potential reduce by 206.3 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. Drk-blutspende.de needs all CSS files to be minified and compressed as it can save up to 206.3 kB or 84% of the original size.
Number of requests can be reduced by 30 (43%)
70
40
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DRK 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 13 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
drk-blutspende.de
291 ms
www.drk-blutspende.de
709 ms
bootstrap.min.css
728 ms
bootstrap-theme.css
376 ms
style.css
472 ms
fontello.css
282 ms
drk-blutspende.css
568 ms
mobile-topnavigation.css
468 ms
mobile-subnavigation.css
463 ms
uniform.css
470 ms
datepicker.css
555 ms
mediaelementplayer.css
654 ms
venobox.css
563 ms
jquery-1.10.2.min.js
842 ms
jquery-migrate-1.2.1.min.js
648 ms
bootstrap.min.js
749 ms
jquery.cycle.all.js
873 ms
jquery.uniform.min.js
741 ms
bootstrap-datepicker.js
848 ms
mediaelement-and-player.min.js
820 ms
venobox.min.js
749 ms
jquery-funktionen.js
786 ms
parallax.js
751 ms
owl.carousel.css
812 ms
owl.theme.css
812 ms
owl.transitions.css
813 ms
owl.carousel.js
907 ms
teaser-mutspende.jpg
1036 ms
brk1200x630.jpg
759 ms
wuv_Motiv_Paar.jpg
828 ms
Berlin010-07.jpg
694 ms
image.jpeg
945 ms
522 ms
0_4898.jpg
551 ms
568 ms
518 ms
logo.png
95 ms
icon-blutspendernet.png
96 ms
fragen-zur-ersten-blutspende.png
211 ms
spende-check.png
210 ms
die-drk-blutspendedienste-teaser.jpg
97 ms
teaser-startseite-wofuer-wird-meine-blutspende-benoetigt.png
208 ms
teaser-startseite-blutspendetermine-in-deutschland-cal-icon.png
281 ms
arrow-big-left.png
210 ms
minilogo-ibm.png
222 ms
minilogo-coca-cola.png
282 ms
minilogo-deutsche-bundesbank.png
284 ms
minilogo-rolls-royce.png
287 ms
minilogo-henkel.png
284 ms
minilogo-dell.png
310 ms
csr-minilogo-prosieben-sat1-ag.png
372 ms
minilogo-dhl.png
373 ms
minilogo-miele.png
374 ms
arrow-big-right.png
375 ms
csr-daenisches-bettenlager_thumb.jpg
473 ms
imac-blutspendernet.png
511 ms
mobile-app-blutspendernet.png
559 ms
keyvisual-bg.png
440 ms
keyvisual-trenner.png
444 ms
keyvisual-testimonial-element.png
446 ms
www.drk-blutspende.de
629 ms
spende-check-xxl.png
1005 ms
fontello.woff
546 ms
content-trenner.png
434 ms
csr-testimonial-element.png
458 ms
icon-cross.png
510 ms
piwik.js
397 ms
analytics.js
36 ms
OpenSans-ExtraBold.woff
803 ms
collect
20 ms
collect
50 ms
track
91 ms
pixel
39 ms
pixel
18 ms
match-result
4 ms
drk-blutspende.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Some elements have a [tabindex] value greater than 0
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
<input type="image"> elements do not have [alt] text
Links do not have a discernible name
drk-blutspende.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
drk-blutspende.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Drk-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 Drk-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.
drk-blutspende.de
Open Graph description is not detected on the main page of DRK 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: