2.3 sec in total
337 ms
1.8 sec
165 ms
Welcome to physikon.de homepage info - get ready to check Physikon best content for Germany right away, or after learning these important things about physikon.de
Interaktives Physik-Lernsystem für Schüler und Studenten mit Erklärungen zur Physik, Bildschirmexperimenten, Physik-Aufgaben, Physik-Applets, Foren, Physik-Links, Suchfunktionen, Lernfunktion ...
Visit physikon.deWe analyzed Physikon.de page load time and found that the first response time was 337 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
physikon.de performance score
name
value
score
weighting
Value1.6 s
93/100
10%
Value2.3 s
94/100
25%
Value4.4 s
74/100
10%
Value1,180 ms
21/100
30%
Value0.086
93/100
15%
Value9.6 s
29/100
10%
337 ms
807 ms
345 ms
7 ms
326 ms
Our browser made a total of 24 requests to load all elements on the main page. We found that 42% of them (10 requests) were addressed to the original Physikon.de, 17% (4 requests) were made to Pagead2.googlesyndication.com and 17% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (807 ms) belongs to the original domain Physikon.de.
Page size can be reduced by 21.4 kB (40%)
53.0 kB
31.6 kB
In fact, the total size of Physikon.de main page is 53.0 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. 20% of websites need less resources to load. HTML takes 26.3 kB which makes up the majority of the site volume.
Potential reduce by 20.2 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 20.2 kB or 77% of the original size.
Potential reduce by 715 B
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. Physikon images are well optimized though.
Potential reduce by 512 B
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.
Number of requests can be reduced by 6 (32%)
19
13
The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Physikon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
physikon.de
337 ms
www.physikon.de
807 ms
cookie_consent.js
345 ms
show_ads.js
7 ms
space.gif
326 ms
titel_logo1.gif
337 ms
space.gif
319 ms
physik-labor.jpg
333 ms
halogomini.gif
160 ms
los-black.gif
346 ms
ca-pub-5676846659860973.js
51 ms
zrt_lookup.html
38 ms
show_ads_impl.js
65 ms
space.gif
154 ms
ads
210 ms
osd.js
13 ms
ads
251 ms
m_js_controller.js
21 ms
abg.js
37 ms
favicon
55 ms
googlelogo_color_112x36dp.png
45 ms
nessie_icon_tiamat_white.png
33 ms
s
25 ms
x_button_blue2.png
12 ms
physikon.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.
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
Form elements do not have associated labels
Links do not have a discernible name
physikon.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
physikon.de SEO score
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
DE
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Physikon.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Physikon.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
physikon.de
Open Graph description is not detected on the main page of Physikon. 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: