Tools & Wizards About Us
libronet.de screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

libronet.de

Für Sie vor Ort in Tübingen - Schweitzer Fachinformationen

Page Load Speed

1.6 sec in total

First Response

409 ms

Resources Loaded

1.1 sec

Page Rendered

128 ms

libronet.de screenshot

About Website

Welcome to libronet.de homepage info - get ready to check Libronet best content right away, or after learning these important things about libronet.de

Alles über unseren Standort in Tübingen (Hoser + Mende): Adresse, Öffnungszeiten, Veranstaltungen, Ansprechpersonen und mehr. Wir freuen uns auf Sie!

Visit libronet.de

Key Findings

We analyzed Libronet.de page load time and found that the first response time was 409 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

libronet.de performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

libronet.de

409 ms

Frame.css

257 ms

Style.css

273 ms

bg.gif

106 ms

dummy.gif

114 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to Libronet.de and no external sources were called. The less responsive or slowest element that took the longest time to load (470 ms) belongs to the original domain Libronet.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.1 kB (44%)

Content Size

43.7 kB

After Optimization

24.6 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Libronet.de main page is 43.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 22.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 17.1 kB

  • Original 22.4 kB
  • After minification 21.0 kB
  • After compression 5.3 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 17.1 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 202 B

  • Original 18.7 kB
  • After minification 18.5 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. Libronet images are well optimized though.

CSS Optimization

-71%

Potential reduce by 1.8 kB

  • Original 2.6 kB
  • After minification 2.0 kB
  • After compression 754 B

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. Libronet.de needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (65%)

Requests Now

23

After Optimization

8

  • Images
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libronet. 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

libronet.de

libronet.de

409 ms

Frame.css

Frame.css

257 ms

Style.css

Style.css

273 ms

bg.gif

bg.gif

106 ms

dummy.gif

dummy.gif

114 ms

logovariante2.jpg

logovariante2.jpg

190 ms

bild_home.jpg

bild_home.jpg

197 ms

btn_home_off.gif

btn_home_off.gif

207 ms

btn_suche_off.gif

btn_suche_off.gif

208 ms

btn_siesind_off.gif

btn_siesind_off.gif

208 ms

btn_dienstleistungen_off.gif

btn_dienstleistungen_off.gif

226 ms

btn_kontakt_off.gif

btn_kontakt_off.gif

283 ms

btn_service_off.gif

btn_service_off.gif

292 ms

btn_unternehmen_off.gif

btn_unternehmen_off.gif

311 ms

btn_cart_off.gif

btn_cart_off.gif

312 ms

britain.gif

britain.gif

313 ms

klammer_big.gif

klammer_big.gif

338 ms

trennlinie.gif

trennlinie.gif

376 ms

klammer_small.gif

klammer_small.gif

387 ms

btn_liste.gif

btn_liste.gif

427 ms

LChoiceCompact.png

LChoiceCompact.png

427 ms

next.gif

next.gif

427 ms

wuerfel.gif

wuerfel.gif

450 ms

pixel_trans.gif

pixel_trans.gif

470 ms

Accessibility Review

libronet.de accessibility score

78

Accessibility Issues

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

libronet.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

libronet.de SEO score

69

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 Libronet.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 Libronet.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

libronet.de

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