Tools & Wizards About Us
internetbibliothek.de screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

internetbibliothek.de

dbv Deutscher Bibliotheksverband

Page Load Speed

3.6 sec in total

First Response

435 ms

Resources Loaded

2.5 sec

Page Rendered

716 ms

internetbibliothek.de screenshot

About Website

Click here to check amazing Internetbibliothek content. Otherwise, check out these important facts you probably never knew about internetbibliothek.de

Der Deutsche Bibliotheksverband e.V. vertritt mit seinen fast 2.100 Mitgliedern über 9.000 Bibliotheken mit 25.000 Beschäftigten und elf Mio. Nutzer*innen. Sein zentrales Anliegen: die Stärkung der Bi...

Visit internetbibliothek.de

Key Findings

We analyzed Internetbibliothek.de page load time and found that the first response time was 435 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

internetbibliothek.de performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value17.7 s

0/100

25%

SI (Speed Index)

Value15.0 s

1/100

10%

TBT (Total Blocking Time)

Value1,950 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.257

48/100

15%

TTI (Time to Interactive)

Value20.1 s

2/100

10%

Network Requests Diagram

internetbibliothek.de

435 ms

www.bibliotheksverband.de

883 ms

style.css

273 ms

chunks.ffbbc8ec8ec043bc2125.cdfd09a746b5183c1201.bundle.js

551 ms

app.ffbbc8ec8ec043bc2125.050eff83570d9557d689.bundle.js

492 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Internetbibliothek.de, 93% (42 requests) were made to Bibliotheksverband.de and 4% (2 requests) were made to Matomo.e-fork.net. The less responsive or slowest element that took the longest time to load (883 ms) relates to the external source Bibliotheksverband.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 247.8 kB (10%)

Content Size

2.5 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Internetbibliothek.de main page is 2.5 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. 60% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 101.1 kB

  • Original 123.4 kB
  • After minification 123.2 kB
  • After compression 22.2 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 101.1 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 146.6 kB

  • Original 2.4 MB
  • After minification 2.2 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. Internetbibliothek images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 60 B

  • Original 22.0 kB
  • After minification 22.0 kB
  • After compression 22.0 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.

Requests Breakdown

Number of requests can be reduced by 10 (28%)

Requests Now

36

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Internetbibliothek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

internetbibliothek.de

internetbibliothek.de

435 ms

www.bibliotheksverband.de

www.bibliotheksverband.de

883 ms

style.css

style.css

273 ms

chunks.ffbbc8ec8ec043bc2125.cdfd09a746b5183c1201.bundle.js

chunks.ffbbc8ec8ec043bc2125.cdfd09a746b5183c1201.bundle.js

551 ms

app.ffbbc8ec8ec043bc2125.050eff83570d9557d689.bundle.js

app.ffbbc8ec8ec043bc2125.050eff83570d9557d689.bundle.js

492 ms

matomo.js

matomo.js

382 ms

logo_DBV.png

logo_DBV.png

72 ms

ui-magnifier.svg

ui-magnifier.svg

142 ms

icon-facebook_w.svg

icon-facebook_w.svg

212 ms

icon-instagram_w.svg

icon-instagram_w.svg

210 ms

linkedin-logo-w.svg

linkedin-logo-w.svg

212 ms

icon-you-tube_w.svg

icon-you-tube_w.svg

213 ms

rss-icon.svg

rss-icon.svg

281 ms

mastodon-icon_w.svg

mastodon-icon_w.svg

283 ms

gallery-arrow.svg

gallery-arrow.svg

284 ms

75%20Jahre-3.jpg

75%20Jahre-3.jpg

499 ms

Startseite_WB%20Kampagne_Bildergalerie_3_0.png

Startseite_WB%20Kampagne_Bildergalerie_3_0.png

456 ms

Waehlengehen_Socialmedia_16-9-5_0.png

Waehlengehen_Socialmedia_16-9-5_0.png

701 ms

LsD_Galeriebild.jpg

LsD_Galeriebild.jpg

561 ms

ui-external-link.svg

ui-external-link.svg

355 ms

ui-download.svg

ui-download.svg

363 ms

Ipad_Regal_Foto%20dbv_Thomas%20Meyer_Ostkreuz_quer.jpg

Ipad_Regal_Foto%20dbv_Thomas%20Meyer_Ostkreuz_quer.jpg

500 ms

Stadtbibliothek%20Ludwigshafen_1.jpg

Stadtbibliothek%20Ludwigshafen_1.jpg

442 ms

Medienkompetenz_2.jpg

Medienkompetenz_2.jpg

522 ms

Reichstag.jpg

Reichstag.jpg

536 ms

Sonnenst%C3%BChle_AGB.jpg

Sonnenst%C3%BChle_AGB.jpg

583 ms

DBV_Bericht%20zur%20Lage%202021-24.jpg

DBV_Bericht%20zur%20Lage%202021-24.jpg

646 ms

DBV-Frankenthal-31.jpg

DBV-Frankenthal-31.jpg

600 ms

Spezailbibliothek_Regalb%C3%B6gen.jpg

Spezailbibliothek_Regalb%C3%B6gen.jpg

615 ms

Bremen_0154_2.jpg

Bremen_0154_2.jpg

786 ms

170531_dbv_bibtag_018_2.jpg

170531_dbv_bibtag_018_2.jpg

662 ms

Staatsbibliothek_UnterDenLinden_NadjaWohlleben-27.jpg

Staatsbibliothek_UnterDenLinden_NadjaWohlleben-27.jpg

684 ms

icon-facebook.svg

icon-facebook.svg

685 ms

icon-instagram.svg

icon-instagram.svg

715 ms

linkedin-logo.svg

linkedin-logo.svg

730 ms

icon-you-tube.svg

icon-you-tube.svg

752 ms

mastodon-icon.svg

mastodon-icon.svg

755 ms

Cera-Pro-Regular.woff

Cera-Pro-Regular.woff

730 ms

Cera-Pro-Light.woff

Cera-Pro-Light.woff

828 ms

Cera-Pro-Thin.woff

Cera-Pro-Thin.woff

772 ms

Cera-Pro-Medium.woff

Cera-Pro-Medium.woff

759 ms

Cera-Pro-Bold.woff

Cera-Pro-Bold.woff

690 ms

Cera-Pro-Black.woff

Cera-Pro-Black.woff

659 ms

slick.woff

slick.woff

659 ms

matomo.php

matomo.php

244 ms

Accessibility Review

internetbibliothek.de accessibility score

98

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

Best Practices

internetbibliothek.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Missing source maps for large first-party JavaScript

SEO Factors

internetbibliothek.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 Internetbibliothek.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 Internetbibliothek.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

internetbibliothek.de

Open Graph data is detected on the main page of Internetbibliothek. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: