5.4 sec in total
1.2 sec
3.8 sec
428 ms
Visit onlinetutorials.de now to see the best up-to-date Online Tutorials content for Germany and also check out these interesting facts you probably never knew about onlinetutorials.de
OnlineTutorials bietet dir von allen wichtigen Programmiersprachen kostenlose Tutorials und Bücher, mit denen das Programmieren Lernen zum Kinderspiel wird
Visit onlinetutorials.deWe analyzed Onlinetutorials.de page load time and found that the first response time was 1.2 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
onlinetutorials.de performance score
name
value
score
weighting
Value2.3 s
74/100
10%
Value2.3 s
93/100
25%
Value3.3 s
90/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value2.7 s
97/100
10%
1244 ms
317 ms
432 ms
610 ms
227 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that 88% of them (22 requests) were addressed to the original Onlinetutorials.de, 8% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Bloggerei.de. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Onlinetutorials.de.
Page size can be reduced by 138.2 kB (40%)
348.7 kB
210.5 kB
In fact, the total size of Onlinetutorials.de main page is 348.7 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. Images take 143.8 kB which makes up the majority of the site volume.
Potential reduce by 52.9 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 52.9 kB or 79% of the original size.
Potential reduce by 888 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. Online Tutorials images are well optimized though.
Potential reduce by 64.9 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 64.9 kB or 57% of the original size.
Potential reduce by 19.5 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. Onlinetutorials.de needs all CSS files to be minified and compressed as it can save up to 19.5 kB or 82% of the original size.
Number of requests can be reduced by 4 (17%)
24
20
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Online Tutorials. 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 JavaScripts and as a result speed up the page load time.
www.onlinetutorials.de
1244 ms
style.css
317 ms
jquery.js
432 ms
index.php
610 ms
ajax.js
227 ms
ui.core.js
105 ms
ui.tabs.js
108 ms
bgpublicon.jpg
313 ms
cropped-cropped-header1.jpg
121 ms
kostenloses-Fotografie-Tutorial-foto-kurs.jpg
118 ms
java-programmieren-mit-tutorial-kompf.jpg
120 ms
python-programmieren-lernen-mit-tutorial.png
118 ms
das-kostenlose-fotobearbeitungsprogramm-gimp.jpg
115 ms
php-tutorial-fuer-fortgeschrittene.jpg
118 ms
php-tutorial-php-kurs-fuer-anfaenger.jpg
220 ms
einfuehrung-in-iso-cpp-holger-jakobs-pdf-download.gif
222 ms
cpp-handbuch-rwth-aachen-pdf-download.jpg
222 ms
webmaster-crashkurs-das-webdesign-tutorial.jpg
222 ms
cpp-fuer-c-programmierer-dalkert.gif
224 ms
iconTwitter.png
224 ms
iconFacebook.png
322 ms
iconRss.png
323 ms
wordpress.png
333 ms
ga.js
4 ms
__utm.gif
12 ms
onlinetutorials.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
Form elements do not have associated labels
onlinetutorials.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
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
Detected JavaScript libraries
onlinetutorials.de SEO score
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onlinetutorials.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 Onlinetutorials.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.
onlinetutorials.de
Open Graph description is not detected on the main page of Online Tutorials. 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: