4.9 sec in total
1.2 sec
2.8 sec
849 ms
Click here to check amazing Der Denker content. Otherwise, check out these important facts you probably never knew about derdenker.de
Arbeitsgedächtnis trainieren, indem Sie ein Seminar von Jens Seiler belegen: Gedächtnistraining, Schneller lesen, Speed Reading, Lernen lernen. Namenmerken.
Visit derdenker.deWe analyzed Derdenker.de page load time and found that the first response time was 1.2 sec and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
derdenker.de performance score
name
value
score
weighting
Value2.8 s
55/100
10%
Value8.7 s
1/100
25%
Value4.3 s
75/100
10%
Value120 ms
97/100
30%
Value0
100/100
15%
Value8.1 s
41/100
10%
1236 ms
24 ms
204 ms
690 ms
658 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 86% of them (31 requests) were addressed to the original Derdenker.de, 6% (2 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Derdenker.de.
Page size can be reduced by 376.1 kB (28%)
1.4 MB
986.4 kB
In fact, the total size of Derdenker.de main page is 1.4 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. 30% of websites need less resources to load. Images take 889.2 kB which makes up the majority of the site volume.
Potential reduce by 51.4 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 51.4 kB or 79% of the original size.
Potential reduce by 28.1 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. Der Denker images are well optimized though.
Potential reduce by 135.2 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 135.2 kB or 62% of the original size.
Potential reduce by 161.5 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. Derdenker.de needs all CSS files to be minified and compressed as it can save up to 161.5 kB or 85% of the original size.
Number of requests can be reduced by 3 (9%)
32
29
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Der Denker. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
derdenker.de
1236 ms
css
24 ms
spambot_fe.css
204 ms
46b67d0b0841.css
690 ms
c4add97e9a96.js
658 ms
jquery-ui.min.js
126 ms
script.js
208 ms
Jens%20Seiler%20aka%20Jens%20der%20Denker-ff44a805.jpg
450 ms
shows.jpg
515 ms
seminare.jpg
396 ms
vortraege.jpg
181 ms
Logo%20Jens%20der%20Denker_transparent.png
396 ms
facebook.gif
529 ms
twitter.gif
462 ms
gplus.gif
477 ms
shows-b1c934bf.jpg
454 ms
vortraege-160431f1.jpg
557 ms
seminare-9d5bec85.jpg
562 ms
buehnenshows.jpg
784 ms
keynote_vortraege.jpg
771 ms
schulungen-a8420f2d.jpg
628 ms
service_wetten1-27997309.jpg
635 ms
service_wetten2-4a3d72e4.jpg
665 ms
service_wetten3-0da3b3e3.jpg
667 ms
service_wetten4-e01e3223.jpg
738 ms
cJZKeOuBrn4kERxqtaUH3bO3LdcAZYWl9Si6vvxL-qU.woff
35 ms
k3k702ZOKiLJc3WVjuplzKRDOzjiPcYnFooOUGCOsRk.woff
113 ms
rocksolid-icons.woff
786 ms
gedaechtnis.jpg
584 ms
namen-merken.jpg
673 ms
lernen_lernen.jpg
743 ms
schneller_lesen.jpg
770 ms
speedreading.jpg
682 ms
fuehrungskompass.jpg
702 ms
analytics.js
18 ms
collect
24 ms
derdenker.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.
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
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
derdenker.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
Browser errors were logged to the console
derdenker.de SEO score
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 Derdenker.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 Derdenker.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.
derdenker.de
Open Graph description is not detected on the main page of Der Denker. 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: