Tools & Wizards About Us
otto-brenner-stiftung.de screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

otto-brenner-stiftung.de

Otto Brenner Stiftung – Stiftung schafft Wissen: Wissenschaftsstiftung der IG Metall

Page Load Speed

5.3 sec in total

First Response

338 ms

Resources Loaded

4.6 sec

Page Rendered

321 ms

otto-brenner-stiftung.de screenshot

About Website

Welcome to otto-brenner-stiftung.de homepage info - get ready to check Otto Brenner Stiftung best content for Germany right away, or after learning these important things about otto-brenner-stiftung.de

Die OBS ist die Wissenschaftsstiftung der IG Metall. Anspruch unserer Projektförderung ist es, Arbeit und Wirken Otto Brenners, dem langjährigen Vorsitzenden der IG Metall, fortzuführen. Die OBS verst...

Visit otto-brenner-stiftung.de

Key Findings

We analyzed Otto-brenner-stiftung.de page load time and found that the first response time was 338 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

otto-brenner-stiftung.de performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value1,010 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value11.2 s

19/100

10%

Network Requests Diagram

otto-brenner-stiftung.de

338 ms

www.otto-brenner-stiftung.de

767 ms

stylesheet_fad97d0aa7.css

287 ms

javascript_0b12553063.js

288 ms

styles.css

296 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 87% of them (67 requests) were addressed to the original Otto-brenner-stiftung.de, 4% (3 requests) were made to Platform.twitter.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Otto-brenner-stiftung.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 179.6 kB (37%)

Content Size

488.8 kB

After Optimization

309.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Otto-brenner-stiftung.de main page is 488.8 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. 35% of websites need less resources to load. Images take 272.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 31.9 kB

  • Original 38.0 kB
  • After minification 27.2 kB
  • After compression 6.1 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. This page needs HTML code to be minified as it can gain 10.8 kB, which is 28% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 31.9 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 9.1 kB

  • Original 272.2 kB
  • After minification 263.1 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. Otto Brenner Stiftung images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 21.7 kB

  • Original 49.8 kB
  • After minification 47.4 kB
  • After compression 28.2 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 21.7 kB or 43% of the original size.

CSS Optimization

-91%

Potential reduce by 117.0 kB

  • Original 128.8 kB
  • After minification 92.2 kB
  • After compression 11.8 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. Otto-brenner-stiftung.de needs all CSS files to be minified and compressed as it can save up to 117.0 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (55%)

Requests Now

73

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otto Brenner Stiftung. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

otto-brenner-stiftung.de

otto-brenner-stiftung.de

338 ms

www.otto-brenner-stiftung.de

www.otto-brenner-stiftung.de

767 ms

stylesheet_fad97d0aa7.css

stylesheet_fad97d0aa7.css

287 ms

javascript_0b12553063.js

javascript_0b12553063.js

288 ms

styles.css

styles.css

296 ms

jquery.min.js

jquery.min.js

54 ms

js-slider.js

js-slider.js

298 ms

shadowbox-jquery.js

shadowbox-jquery.js

303 ms

shadowbox.js

shadowbox.js

307 ms

skin.js

skin.js

565 ms

skin.css

skin.css

589 ms

shadowbox-de-DE.js

shadowbox-de-DE.js

590 ms

shadowbox-img.js

shadowbox-img.js

594 ms

shadowbox-flv.js

shadowbox-flv.js

590 ms

shadowbox-html.js

shadowbox-html.js

604 ms

shadowbox-iframe.js

shadowbox-iframe.js

867 ms

base.css

base.css

592 ms

base_preis.css

base_preis.css

589 ms

blog.css

blog.css

606 ms

ga.js

ga.js

50 ms

like.php

like.php

181 ms

meta_nav_arrow.gif

meta_nav_arrow.gif

122 ms

site_search_input_bg.jpg

site_search_input_bg.jpg

103 ms

site_search_submit_bg.jpg

site_search_submit_bg.jpg

297 ms

main_nav_left_bg.jpg

main_nav_left_bg.jpg

298 ms

main_nav_right_bg.jpg

main_nav_right_bg.jpg

300 ms

main_nav_item_left_bg.jpg

main_nav_item_left_bg.jpg

305 ms

main_nav_item_right_bg.jpg

main_nav_item_right_bg.jpg

405 ms

main_content_bg.jpg

main_content_bg.jpg

428 ms

header_otto_brenner_stiftung.jpg

header_otto_brenner_stiftung.jpg

687 ms

OBP_Visual_2016_small_01.jpg

OBP_Visual_2016_small_01.jpg

687 ms

teaser_item_link_wrapper_bg.jpg

teaser_item_link_wrapper_bg.jpg

595 ms

link_arrow.gif

link_arrow.gif

609 ms

Newsletter_Grafik_neu.jpg

Newsletter_Grafik_neu.jpg

708 ms

teaserbox_OBS_03.jpg

teaserbox_OBS_03.jpg

726 ms

teaser_otto_neu_02.jpg

teaser_otto_neu_02.jpg

892 ms

teaser_otto-brenner-kompakt.jpg

teaser_otto-brenner-kompakt.jpg

979 ms

teaser_otto-brenner-shop_neu.jpg

teaser_otto-brenner-shop_neu.jpg

1076 ms

teaserbox_HSI_01.jpg

teaserbox_HSI_01.jpg

986 ms

teaser_snl_01.jpg

teaser_snl_01.jpg

1105 ms

Spendenbutton_570.jpg

Spendenbutton_570.jpg

1027 ms

c789cde6c6.jpg

c789cde6c6.jpg

1195 ms

fcedd1b99a.jpg

fcedd1b99a.jpg

1279 ms

RTEmagicC_AH82_Cover.jpg.jpg

RTEmagicC_AH82_Cover.jpg.jpg

1292 ms

RTEmagicC_AH83_Cover_02.jpg.jpg

RTEmagicC_AH83_Cover_02.jpg.jpg

1329 ms

kooperationspartner_img.jpg

kooperationspartner_img.jpg

1375 ms

widgets.js

widgets.js

62 ms

teaser_news_bg.jpg

teaser_news_bg.jpg

1379 ms

teaser_shop_compact_bg.jpg

teaser_shop_compact_bg.jpg

1479 ms

footer_bg.jpg

footer_bg.jpg

1552 ms

icon_otto-brenner.jpg

icon_otto-brenner.jpg

1559 ms

icon_otto-brenner-stiftung.jpg

icon_otto-brenner-stiftung.jpg

1604 ms

icon_otto-brenner-preis.jpg

icon_otto-brenner-preis.jpg

1648 ms

icon_otto-brenner-kompakt.jpg

icon_otto-brenner-kompakt.jpg

1680 ms

icon_otto-brenner-shop.jpg

icon_otto-brenner-shop.jpg

1780 ms

icon_otto-brenner-blog.jpg

icon_otto-brenner-blog.jpg

1855 ms

icon_snl.jpg

icon_snl.jpg

1862 ms

footer_white_arrow.gif

footer_white_arrow.gif

1905 ms

__utm.gif

__utm.gif

28 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

3 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.de.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.de.html

13 ms

icon_tool_gototop.gif

icon_tool_gototop.gif

1881 ms

icon_tool_print.gif

icon_tool_print.gif

1897 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

294 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

334 ms

jot

jot

83 ms

icon_tool_tipafriend.gif

icon_tool_tipafriend.gif

1815 ms

icon_tool_spenden.gif

icon_tool_spenden.gif

1876 ms

icon_tool_newsletter.gif

icon_tool_newsletter.gif

1888 ms

icon_tool_twitter.gif

icon_tool_twitter.gif

1933 ms

icon_tool_facebook.gif

icon_tool_facebook.gif

1873 ms

loading.gif

loading.gif

1885 ms

close.png

close.png

1816 ms

next.png

next.png

1867 ms

play.png

play.png

1799 ms

pause.png

pause.png

1852 ms

previous.png

previous.png

1854 ms

Accessibility Review

otto-brenner-stiftung.de accessibility score

93

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

otto-brenner-stiftung.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Page has valid source maps

SEO Factors

otto-brenner-stiftung.de SEO score

100

Search Engine Optimization Advices

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

High

Document uses legible font sizes

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 Otto-brenner-stiftung.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 Otto-brenner-stiftung.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

otto-brenner-stiftung.de

Open Graph description is not detected on the main page of Otto Brenner Stiftung. 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: