1.9 sec in total
548 ms
1.2 sec
137 ms
Click here to check amazing Welt Des Wissens content for Germany. Otherwise, check out these important facts you probably never knew about welt-des-wissens.com
Visit welt-des-wissens.comWe analyzed Welt-des-wissens.com page load time and found that the first response time was 548 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
welt-des-wissens.com performance score
name
value
score
weighting
Value2.0 s
83/100
10%
Value3.5 s
65/100
25%
Value2.2 s
99/100
10%
Value0 ms
100/100
30%
Value0.003
100/100
15%
Value2.0 s
99/100
10%
548 ms
509 ms
19 ms
291 ms
383 ms
Our browser made a total of 23 requests to load all elements on the main page. We found that 65% of them (15 requests) were addressed to the original Welt-des-wissens.com, 26% (6 requests) were made to Websynthesis.org and 4% (1 request) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (548 ms) belongs to the original domain Welt-des-wissens.com.
Page size can be reduced by 39.4 kB (25%)
158.1 kB
118.7 kB
In fact, the total size of Welt-des-wissens.com main page is 158.1 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. Images take 136.1 kB which makes up the majority of the site volume.
Potential reduce by 17.2 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 17.2 kB or 82% of the original size.
Potential reduce by 21.6 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, Welt Des Wissens needs image optimization as it can save up to 21.6 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 455 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 455 B or 67% of the original size.
Potential reduce by 110 B
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. Welt-des-wissens.com needs all CSS files to be minified and compressed as it can save up to 110 B or 42% of the original size.
We found no issues to fix!
22
22
The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Welt Des Wissens. According to our analytics all requests are already optimized.
welt-des-wissens.com
548 ms
Banner_WdW_2010_home.png
509 ms
lg-bookmark-en.gif
19 ms
iframe.php
291 ms
js.php
383 ms
Buch_WeltAlmanach2016kl.jpg
297 ms
home_weltkarte.gif
305 ms
button_pfeilrot.gif
204 ms
earth2.gif
205 ms
MAIL02.gif
319 ms
44061
269 ms
Michael_Wappen2012.png
319 ms
Banner_gomicha_Bannerkl3.png
224 ms
icon-facebook.jpg
312 ms
icon-myspace.jpg
319 ms
icon-twitter.jpg
325 ms
icon-youtube.jpg
337 ms
Weblog_Micha_logo.jpg
414 ms
Banner_weltdeswissens_impress.jpg
417 ms
iframe.php
106 ms
frame.css
95 ms
iframe.js
189 ms
stern1.png
94 ms
welt-des-wissens.com accessibility score
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
welt-des-wissens.com 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
Issues were logged in the Issues panel in Chrome Devtools
welt-des-wissens.com 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
EN
N/A
WINDOWS-1252
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Welt-des-wissens.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Welt-des-wissens.com main page’s claimed encoding is windows-1252. 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.
welt-des-wissens.com
Open Graph description is not detected on the main page of Welt Des Wissens. 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: