Tools & Wizards About Us
bibo-dresden.de screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

bibo-dresden.de

Städtische Bibliotheken Dresden

Page Load Speed

5.1 sec in total

First Response

353 ms

Resources Loaded

3.6 sec

Page Rendered

1.2 sec

bibo-dresden.de screenshot

About Website

Visit bibo-dresden.de now to see the best up-to-date Bibo Dresden content for Germany and also check out these interesting facts you probably never knew about bibo-dresden.de

Hier finden Sie Informationen zu unseren Bibliotheken, den Öffnungszeiten, angebotenen Dienstleistungen und Veranstaltungen sowie aktuelle Meldungen.

Visit bibo-dresden.de

Key Findings

We analyzed Bibo-dresden.de page load time and found that the first response time was 353 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

bibo-dresden.de performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

bibo-dresden.de

353 ms

www.bibo-dresden.de

677 ms

498 ms

cookieconsent.min.css

114 ms

hc-offcanvas-nav.css

223 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 90% of them (52 requests) were addressed to the original Bibo-dresden.de, 10% (6 requests) were made to Dresden.de. The less responsive or slowest element that took the longest time to load (900 ms) relates to the external source Dresden.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 327.1 kB (12%)

Content Size

2.8 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bibo-dresden.de main page is 2.8 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. 35% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 122.3 kB

  • Original 139.6 kB
  • After minification 85.7 kB
  • After compression 17.3 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. This page needs HTML code to be minified as it can gain 53.9 kB, which is 39% 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 122.3 kB or 88% of the original size.

Image Optimization

-8%

Potential reduce by 192.7 kB

  • Original 2.3 MB
  • After minification 2.1 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. Bibo Dresden images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 4.9 kB

  • Original 255.9 kB
  • After minification 255.8 kB
  • After compression 251.0 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

-7%

Potential reduce by 7.2 kB

  • Original 102.0 kB
  • After minification 102.0 kB
  • After compression 94.8 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. Bibo-dresden.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (66%)

Requests Now

50

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bibo Dresden. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bibo-dresden.de

bibo-dresden.de

353 ms

www.bibo-dresden.de

www.bibo-dresden.de

677 ms

498 ms

cookieconsent.min.css

cookieconsent.min.css

114 ms

hc-offcanvas-nav.css

hc-offcanvas-nav.css

223 ms

styles.css

styles.css

349 ms

stadtbibliothek.css

stadtbibliothek.css

338 ms

modernizr.2.8.3.min.js

modernizr.2.8.3.min.js

340 ms

SourceSansPro.font.css

SourceSansPro.font.css

743 ms

jquery.sumoselect.min.js

jquery.sumoselect.min.js

341 ms

perfect-scrollbar.min.js

perfect-scrollbar.min.js

341 ms

highcharts.js

highcharts.js

460 ms

jquery.responsiveiframe.js

jquery.responsiveiframe.js

450 ms

jquery-ui.custom.js

jquery-ui.custom.js

684 ms

jquery.igautocomplete.js

jquery.igautocomplete.js

452 ms

jquery.responsivetables.js

jquery.responsivetables.js

453 ms

navtouch.js

navtouch.js

461 ms

hc-offcanvas-nav.js

hc-offcanvas-nav.js

564 ms

swiper-bundle.min.css

swiper-bundle.min.css

565 ms

swiper-bundle.min.js

swiper-bundle.min.js

681 ms

swiper-init.js

swiper-init.js

572 ms

aria-tabs.js

aria-tabs.js

573 ms

alphabet-list.js

alphabet-list.js

676 ms

scrollable-table.js

scrollable-table.js

677 ms

jquery.mark.min.js

jquery.mark.min.js

685 ms

searchhighlight.js

searchhighlight.js

686 ms

jquery.debouncedresize.min.js

jquery.debouncedresize.min.js

685 ms

hammer.min.js

hammer.min.js

686 ms

jquery.velocity.min.js

jquery.velocity.min.js

690 ms

core.js

core.js

689 ms

log.js

log.js

692 ms

mediator.js

mediator.js

693 ms

langselect.js

langselect.js

796 ms

init.js

init.js

797 ms

loadAsync.js

loadAsync.js

801 ms

cookieconsent.min.js

cookieconsent.min.js

802 ms

jquery-1.12.4.min.js

jquery-1.12.4.min.js

530 ms

close.png

close.png

524 ms

loading.gif

loading.gif

628 ms

prev.png

prev.png

629 ms

next.png

next.png

633 ms

url-search-params.js

url-search-params.js

117 ms

SBD_Logo.svg

SBD_Logo.svg

118 ms

Header_Podcast_2400x560_2024.jpg

Header_Podcast_2400x560_2024.jpg

664 ms

logo_footer.svg

logo_footer.svg

118 ms

Teaser_Schliesswoche.jpg

Teaser_Schliesswoche.jpg

222 ms

Teaser_HP_424x375-43.png

Teaser_HP_424x375-43.png

554 ms

Teaser_HP_424x375-38.png

Teaser_HP_424x375-38.png

672 ms

Teaser_HP_424x375-48.png

Teaser_HP_424x375-48.png

341 ms

Teaser_HP_Fallada.png

Teaser_HP_Fallada.png

560 ms

Teaser_HP_424x375-40.png

Teaser_HP_424x375-40.png

665 ms

Teaser_HP_424x375-44.png

Teaser_HP_424x375-44.png

455 ms

Teaser_HP_424x375-47.png

Teaser_HP_424x375-47.png

570 ms

SourceSansPro-Regular.ttf

SourceSansPro-Regular.ttf

665 ms

SourceSansPro-Light.ttf

SourceSansPro-Light.ttf

780 ms

SourceSansPro-SemiBold.ttf

SourceSansPro-SemiBold.ttf

899 ms

SourceSansPro-Bold.ttf

SourceSansPro-Bold.ttf

890 ms

SourceSansPro-Black.ttf

SourceSansPro-Black.ttf

900 ms

Accessibility Review

bibo-dresden.de accessibility score

98

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.

Best Practices

bibo-dresden.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

bibo-dresden.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 Bibo-dresden.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 Bibo-dresden.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

bibo-dresden.de

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