Tools & Wizards About Us
biblio.at screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

biblio.at

biblio.at | Website des Österreichischen Bibliothekswerks

Page Load Speed

3.4 sec in total

First Response

479 ms

Resources Loaded

2.6 sec

Page Rendered

330 ms

biblio.at screenshot

About Website

Visit biblio.at now to see the best up-to-date Biblio content for Austria and also check out these interesting facts you probably never knew about biblio.at

Österreichisches Bibliothekswerk : Das Forum katholischer Bibliotheken

Visit biblio.at

Key Findings

We analyzed Biblio.at page load time and found that the first response time was 479 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

biblio.at performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.082

94/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

biblio.at

479 ms

www.biblio.at

605 ms

medium.css

100 ms

small.css

199 ms

large.css

298 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 93% of them (39 requests) were addressed to the original Biblio.at, 5% (2 requests) were made to Google.com and 2% (1 request) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (703 ms) belongs to the original domain Biblio.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.5 kB (2%)

Content Size

971.0 kB

After Optimization

952.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Biblio.at main page is 971.0 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. 25% of websites need less resources to load. Images take 833.2 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 11.1 kB

  • Original 15.3 kB
  • After minification 14.4 kB
  • After compression 4.1 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. 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 11.1 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 3.5 kB

  • Original 833.2 kB
  • After minification 829.8 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. Biblio images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.7 kB

  • Original 112.5 kB
  • After minification 112.5 kB
  • After compression 110.8 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

-22%

Potential reduce by 2.2 kB

  • Original 9.9 kB
  • After minification 9.9 kB
  • After compression 7.7 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. Biblio.at needs all CSS files to be minified and compressed as it can save up to 2.2 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (42%)

Requests Now

38

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biblio. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

biblio.at

biblio.at

479 ms

www.biblio.at

www.biblio.at

605 ms

medium.css

medium.css

100 ms

small.css

small.css

199 ms

large.css

large.css

298 ms

standard.css

standard.css

298 ms

safari.css

safari.css

297 ms

style.js

style.js

299 ms

popup.js

popup.js

396 ms

checkform.js

checkform.js

395 ms

AC_ActiveX.js

AC_ActiveX.js

396 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

397 ms

rezonlineNarrow.css

rezonlineNarrow.css

497 ms

jquery.js

jquery.js

602 ms

jquery-ui.js

jquery-ui.js

703 ms

jquery-ui-touch-punch.js

jquery-ui-touch-punch.js

499 ms

medienbox.css

medienbox.css

596 ms

medienbox.js

medienbox.js

599 ms

brand

brand

16 ms

brand

brand

18 ms

brandjs.js

brandjs.js

16 ms

pattern.png

pattern.png

100 ms

head_rd_16.png

head_rd_16.png

299 ms

logo_biblio.png

logo_biblio.png

162 ms

nav.png

nav.png

99 ms

testimonial-2.jpg

testimonial-2.jpg

395 ms

book-5298823_1920.jpg

book-5298823_1920.jpg

237 ms

bn_online_20242.jpg

bn_online_20242.jpg

495 ms

seitenweise_glueck.jpg

seitenweise_glueck.jpg

199 ms

biblio75.jpg

biblio75.jpg

365 ms

2021_03_leserezepte.jpg

2021_03_leserezepte.jpg

299 ms

2021_03_buchstartvideos.jpg

2021_03_buchstartvideos.jpg

338 ms

2021_03_biblioblog.jpg

2021_03_biblioblog.jpg

396 ms

2021_03_rezonline.jpg

2021_03_rezonline.jpg

398 ms

2021_03_mailingliste.jpg

2021_03_mailingliste.jpg

438 ms

icon_forum.png

icon_forum.png

466 ms

logo_BMKOES.jpg

logo_BMKOES.jpg

495 ms

rezensionen_online2.png

rezensionen_online2.png

497 ms

buchstart_at.png

buchstart_at.png

698 ms

stube.jpg

stube.jpg

538 ms

biblio-blog.png

biblio-blog.png

669 ms

print.css

print.css

101 ms

Accessibility Review

biblio.at accessibility score

47

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

biblio.at 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

biblio.at SEO score

69

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Biblio.at can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Biblio.at 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

biblio.at

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