3.7 sec in total
382 ms
3.1 sec
212 ms
Welcome to osk.de homepage info - get ready to check OSK best content for Germany right away, or after learning these important things about osk.de
Oliver Schrott Kommunikation (OSK) in Köln ist eine der führenden deutschen PR- und Kommunikationsagenturen für moderne Unternehmens- und Marketingkommunikation.
Visit osk.deWe analyzed Osk.de page load time and found that the first response time was 382 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
osk.de performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value13.8 s
0/100
25%
Value13.3 s
2/100
10%
Value790 ms
37/100
30%
Value0
100/100
15%
Value10.3 s
25/100
10%
382 ms
451 ms
201 ms
406 ms
205 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that all of those requests were addressed to Osk.de and no external sources were called. The less responsive or slowest element that took the longest time to load (697 ms) belongs to the original domain Osk.de.
Page size can be reduced by 94.2 kB (39%)
242.3 kB
148.0 kB
In fact, the total size of Osk.de main page is 242.3 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. Only 10% of websites need less resources to load. Images take 128.4 kB which makes up the majority of the site volume.
Potential reduce by 9.5 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 9.5 kB or 67% of the original size.
Potential reduce by 7.4 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. OSK images are well optimized though.
Potential reduce by 65.2 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 65.2 kB or 77% of the original size.
Potential reduce by 12.2 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. Osk.de needs all CSS files to be minified and compressed as it can save up to 12.2 kB or 82% of the original size.
Number of requests can be reduced by 4 (12%)
34
30
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OSK. 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.
osk.de
382 ms
www.osk.de
451 ms
pre.js
201 ms
default.js
406 ms
sharing.js
205 ms
menu_eu.js
204 ms
styles.css
211 ms
home.css
212 ms
blank.html
103 ms
menu_1.gif
109 ms
menu_0.gif
116 ms
de_0.gif
110 ms
search_0.gif
108 ms
logo_eu.gif
103 ms
disc.png
188 ms
special.gif
204 ms
max_0.gif
214 ms
print_0.gif
205 ms
zoomin_0.gif
212 ms
close_0.gif
218 ms
zoomout_0.gif
289 ms
sh_mail.png
291 ms
sh_facebook.png
296 ms
sh_twitter.png
304 ms
sh_google.png
306 ms
sh_linkedin.png
308 ms
sh_xing.png
379 ms
nobg.gif
389 ms
dummy.gif
395 ms
check_1.gif
403 ms
check_0.gif
409 ms
hn45-webfont.woff
660 ms
piwik.js
571 ms
piwik.php
577 ms
max_0.gif
103 ms
_1__osk_2012_home_2.jpg
697 ms
osk.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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
osk.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
osk.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
DE
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osk.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 Osk.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.
osk.de
Open Graph description is not detected on the main page of OSK. 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: