Tools & Wizards About Us
osn.de screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

osn.de

OSN Online Service Nürnberg GmbH | Internetkompetenz seit 1994

Page Load Speed

3.1 sec in total

First Response

325 ms

Resources Loaded

2.5 sec

Page Rendered

270 ms

osn.de screenshot

About Website

Welcome to osn.de homepage info - get ready to check OSN best content for Germany right away, or after learning these important things about osn.de

OSN Ihr kompetenter Ansprechpartner für anspruchsvolle Internet-Dienstleistungen, Consulting, Virtualisierung und Outsourcing mit langjähriger Erfahrung und eigenem Datacenter

Visit osn.de

Key Findings

We analyzed Osn.de page load time and found that the first response time was 325 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

osn.de performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

osn.de

325 ms

osn.de

749 ms

system.base.css

198 ms

system.menus.css

293 ms

system.messages.css

297 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that all of those requests were addressed to Osn.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Osn.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 115.9 kB (43%)

Content Size

270.4 kB

After Optimization

154.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Osn.de main page is 270.4 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. Javascripts take 114.3 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 9.6 kB

  • Original 13.4 kB
  • After minification 12.7 kB
  • After compression 3.8 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 9.6 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 163 B

  • Original 109.2 kB
  • After minification 109.0 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. OSN images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 79.6 kB

  • Original 114.3 kB
  • After minification 96.4 kB
  • After compression 34.7 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 79.6 kB or 70% of the original size.

CSS Optimization

-79%

Potential reduce by 26.5 kB

  • Original 33.6 kB
  • After minification 23.1 kB
  • After compression 7.0 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. Osn.de needs all CSS files to be minified and compressed as it can save up to 26.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (82%)

Requests Now

38

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OSN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

osn.de

osn.de

325 ms

osn.de

osn.de

749 ms

system.base.css

system.base.css

198 ms

system.menus.css

system.menus.css

293 ms

system.messages.css

system.messages.css

297 ms

system.theme.css

system.theme.css

306 ms

comment.css

comment.css

306 ms

field.css

field.css

304 ms

node.css

node.css

305 ms

search.css

search.css

378 ms

user.css

user.css

389 ms

views.css

views.css

393 ms

ckeditor.css

ckeditor.css

401 ms

ctools.css

ctools.css

402 ms

panels.css

panels.css

403 ms

nice_menus.css

nice_menus.css

470 ms

nice_menus_default.css

nice_menus_default.css

488 ms

compact_forms.css

compact_forms.css

489 ms

style.css

style.css

497 ms

jquery.js

jquery.js

1007 ms

jquery.once.js

jquery.once.js

500 ms

drupal.js

drupal.js

654 ms

jquery.bgiframe.js

jquery.bgiframe.js

589 ms

jquery.hoverIntent.js

jquery.hoverIntent.js

587 ms

superfish.js

superfish.js

593 ms

nice_menus.js

nice_menus.js

607 ms

admin_devel.js

admin_devel.js

687 ms

de_L1a4ncJl-w4QY0hrV4J-VC-lABt5o6ErEQInvXpA1Zw.js

de_L1a4ncJl-w4QY0hrV4J-VC-lABt5o6ErEQInvXpA1Zw.js

685 ms

compact_forms.js

compact_forms.js

690 ms

body_bg.png

body_bg.png

209 ms

menu_shadow.png

menu_shadow.png

110 ms

osn_logo.jpg

osn_logo.jpg

300 ms

menu_bg.png

menu_bg.png

110 ms

menu_active.gif

menu_active.gif

99 ms

sekundaermenu_bg90.png

sekundaermenu_bg90.png

108 ms

input_search.png

input_search.png

196 ms

btn_search.png

btn_search.png

210 ms

serverraum.jpg

serverraum.jpg

409 ms

block_bgh.png

block_bgh.png

211 ms

footer_trenner.png

footer_trenner.png

289 ms

Accessibility Review

osn.de accessibility score

96

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

osn.de best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

osn.de SEO score

71

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osn.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 Osn.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.

Social Sharing Optimization

osn.de

Open Graph description is not detected on the main page of OSN. 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: