Tools & Wizards About Us
bibb.de screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

bibb.de

Federal Institute for Vocational Education and Training (BIBB) - Germany

Page Load Speed

4.4 sec in total

First Response

647 ms

Resources Loaded

3.2 sec

Page Rendered

516 ms

bibb.de screenshot

About Website

Click here to check amazing BIBB content for Germany. Otherwise, check out these important facts you probably never knew about bibb.de

Research and development, consultancy and other services in connection with the vocational training field

Visit bibb.de

Key Findings

We analyzed Bibb.de page load time and found that the first response time was 647 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

bibb.de performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value1,320 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

www.bibb.de

647 ms

main-bibb.css

341 ms

topnav.svg

314 ms

misc.svg

717 ms

bibb_logo_en.svg

322 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that all of those requests were addressed to Bibb.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Bibb.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 464.7 kB (6%)

Content Size

7.5 MB

After Optimization

7.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bibb.de main page is 7.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 7.1 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 112.4 kB

  • Original 126.3 kB
  • After minification 114.9 kB
  • After compression 13.9 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 112.4 kB or 89% of the original size.

Image Optimization

-5%

Potential reduce by 352.2 kB

  • Original 7.1 MB
  • After minification 6.8 MB

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. BIBB images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 107 B

  • Original 201.1 kB
  • After minification 201.1 kB
  • After compression 201.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 48 B

  • Original 74.7 kB
  • After minification 74.7 kB
  • After compression 74.7 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. Bibb.de has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

43

After Optimization

43

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BIBB. According to our analytics all requests are already optimized.

Network Requests Diagram

www.bibb.de

www.bibb.de

647 ms

main-bibb.css

main-bibb.css

341 ms

topnav.svg

topnav.svg

314 ms

misc.svg

misc.svg

717 ms

bibb_logo_en.svg

bibb_logo_en.svg

322 ms

bibb_logo_mobile.svg

bibb_logo_mobile.svg

318 ms

AdobeStock_47039208_c_ehrenberg-bilder_1600x877.jpg

AdobeStock_47039208_c_ehrenberg-bilder_1600x877.jpg

844 ms

headlines.svg

headlines.svg

624 ms

stabpwi_cover_bwp_2_2024_730x399.jpg

stabpwi_cover_bwp_2_2024_730x399.jpg

730 ms

a35_imove_success_china_gbb_2024_730x399.jpg

a35_imove_success_china_gbb_2024_730x399.jpg

748 ms

stabpwi_cover_bwp_1_2024_730x399.jpg

stabpwi_cover_bwp_1_2024_730x399.jpg

564 ms

Ausbilderaustausch_collage_730x399.png

Ausbilderaustausch_collage_730x399.png

795 ms

GOVET_Workshop%20Costa%20Rica%20Teaser_IMG_20231122_135420_730x399.png

GOVET_Workshop%20Costa%20Rica%20Teaser_IMG_20231122_135420_730x399.png

1156 ms

BILT-Konferenz_730x399.png

BILT-Konferenz_730x399.png

1048 ms

BWP-2023-H4-Buehne-730x399.jpg

BWP-2023-H4-Buehne-730x399.jpg

860 ms

STS_Prof_Dr_Sabine_Doering_2_730x399.png

STS_Prof_Dr_Sabine_Doering_2_730x399.png

1081 ms

Ghana_hardhat_730_399.png

Ghana_hardhat_730_399.png

1025 ms

AdobeStock_dzmitrock87_316679242_730x399.jpeg

AdobeStock_dzmitrock87_316679242_730x399.jpeg

1052 ms

lskom_va_transformation_adobe_stock_506573297_c_who_is_danny_730x399.jpg

lskom_va_transformation_adobe_stock_506573297_c_who_is_danny_730x399.jpg

979 ms

stabpwi_cover_bwp_3_2023_730x399.jpg

stabpwi_cover_bwp_3_2023_730x399.jpg

1104 ms

Italien_AdobeStock_117474863.png

Italien_AdobeStock_117474863.png

1157 ms

Teaser_Esser_Singapur.jpg

Teaser_Esser_Singapur.jpg

1082 ms

Teaser_AdobeStock_Studio_East_559232823.jpg

Teaser_AdobeStock_Studio_East_559232823.jpg

1096 ms

Teaser_Collage_RSA.png

Teaser_Collage_RSA.png

1123 ms

AdobeStock_107968862_730x399.jpg

AdobeStock_107968862_730x399.jpg

1147 ms

Fotolia_122644155_M_c_egokhan_730x399.jpg

Fotolia_122644155_M_c_egokhan_730x399.jpg

1205 ms

publications_heller_730x399px.jpg

publications_heller_730x399px.jpg

1211 ms

YouTube_iMOVE_VET_730x399px.jpg

YouTube_iMOVE_VET_730x399px.jpg

1248 ms

youtube_GOVET_collage_testimonials_730x399px.png

youtube_GOVET_collage_testimonials_730x399px.png

1234 ms

kurzstatements_lebaron_730x399px.jpg

kurzstatements_lebaron_730x399px.jpg

1266 ms

youtube_iMOVE_Bridging_Courses_for_India_730x399px.JPG

youtube_iMOVE_Bridging_Courses_for_India_730x399px.JPG

1279 ms

17861

17861

1341 ms

17930

17930

1340 ms

632c2beba451f_220921_BbidP_Feichtenbeiner_Lernorte_englisch-1.jpg

632c2beba451f_220921_BbidP_Feichtenbeiner_Lernorte_englisch-1.jpg

1366 ms

17924

17924

1376 ms

Deqa_Vet.png

Deqa_Vet.png

1376 ms

bibb.js

bibb.js

1438 ms

matomo_bibb_modifications.js

matomo_bibb_modifications.js

1328 ms

Go-VET_210x44.png

Go-VET_210x44.png

1323 ms

Logo_iMOVE_VersionWeb-134px.png

Logo_iMOVE_VersionWeb-134px.png

1320 ms

recognition-logo.png

recognition-logo.png

1198 ms

fira-sans-v8-latin-regular.ttf

fira-sans-v8-latin-regular.ttf

1077 ms

fira-sans-v8-latin-500.ttf

fira-sans-v8-latin-500.ttf

1064 ms

fira-sans-v8-latin-300.ttf

fira-sans-v8-latin-300.ttf

965 ms

fira-sans-v8-latin-600.ttf

fira-sans-v8-latin-600.ttf

961 ms

fira-sans-v8-latin-700.ttf

fira-sans-v8-latin-700.ttf

944 ms

fira-sans-extra-condensed-v3-latin-500.ttf

fira-sans-extra-condensed-v3-latin-500.ttf

896 ms

fira-sans-extra-condensed-v3-latin-regular.ttf

fira-sans-extra-condensed-v3-latin-regular.ttf

1300 ms

fira-sans-extra-condensed-v3-latin-300.ttf

fira-sans-extra-condensed-v3-latin-300.ttf

1282 ms

fira-sans-extra-condensed-v3-latin-600.ttf

fira-sans-extra-condensed-v3-latin-600.ttf

1164 ms

BIBB_Relaunch_2018.ttf

BIBB_Relaunch_2018.ttf

1119 ms

logo_refernet_52px.png

logo_refernet_52px.png

1096 ms

bg_footer.png

bg_footer.png

1093 ms

ajax-loader.gif

ajax-loader.gif

159 ms

Accessibility Review

bibb.de accessibility score

68

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

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

[aria-*] attributes do not have valid values

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.

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

bibb.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

bibb.de SEO score

75

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bibb.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Bibb.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

bibb.de

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