Tools & Wizards About Us
stabi-hb.de screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

stabi-hb.de

Stadtbibliothek Bremen - Stadtbibliothek Bremen

Page Load Speed

3.7 sec in total

First Response

325 ms

Resources Loaded

2.4 sec

Page Rendered

943 ms

stabi-hb.de screenshot

About Website

Welcome to stabi-hb.de homepage info - get ready to check Stabi Hb best content for Germany right away, or after learning these important things about stabi-hb.de

Stadtbibliothek Bremen

Visit stabi-hb.de

Key Findings

We analyzed Stabi-hb.de page load time and found that the first response time was 325 ms and then it took 3.4 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

stabi-hb.de performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value490 ms

58/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value31.1 s

0/100

10%

Network Requests Diagram

stabi-hb.de

325 ms

stabi-hb.de

517 ms

bibtip_mdc_stb_hb.js

729 ms

cf7ic-style.css

199 ms

style.min.css

389 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 94% of them (64 requests) were addressed to the original Stabi-hb.de, 4% (3 requests) were made to Matomo.stabi-hb.de and 1% (1 request) were made to Base.bibtip.de. The less responsive or slowest element that took the longest time to load (862 ms) belongs to the original domain Stabi-hb.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 200.6 kB (7%)

Content Size

2.8 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stabi-hb.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. 45% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 55.0 kB

  • Original 69.8 kB
  • After minification 67.5 kB
  • After compression 14.8 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 55.0 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 82.5 kB

  • Original 2.5 MB
  • After minification 2.4 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. Stabi Hb images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 54.7 kB

  • Original 202.2 kB
  • After minification 202.2 kB
  • After compression 147.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 54.7 kB or 27% of the original size.

CSS Optimization

-15%

Potential reduce by 8.4 kB

  • Original 54.5 kB
  • After minification 54.5 kB
  • After compression 46.1 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. Stabi-hb.de needs all CSS files to be minified and compressed as it can save up to 8.4 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (42%)

Requests Now

64

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stabi Hb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

stabi-hb.de

stabi-hb.de

325 ms

stabi-hb.de

stabi-hb.de

517 ms

bibtip_mdc_stb_hb.js

bibtip_mdc_stb_hb.js

729 ms

cf7ic-style.css

cf7ic-style.css

199 ms

style.min.css

style.min.css

389 ms

styles.css

styles.css

293 ms

style.css

style.css

299 ms

materialize.css

materialize.css

407 ms

glide.core.css

glide.core.css

301 ms

glide.theme.css

glide.theme.css

302 ms

basis.css

basis.css

390 ms

header.css

header.css

399 ms

sidebar.css

sidebar.css

406 ms

footer.css

footer.css

406 ms

content.css

content.css

484 ms

responsive.css

responsive.css

487 ms

style.css

style.css

499 ms

glide.js

glide.js

512 ms

searchHelper.js

searchHelper.js

510 ms

jquery.min.js

jquery.min.js

614 ms

jquery-migrate.min.js

jquery-migrate.min.js

580 ms

index.php

index.php

707 ms

front.bundle.css

front.bundle.css

488 ms

index.js

index.js

501 ms

index.js

index.js

513 ms

navigation.js

navigation.js

515 ms

gaestezaehler.js

gaestezaehler.js

579 ms

materialize.min.js

materialize.min.js

786 ms

bibTippHelper.js

bibTippHelper.js

602 ms

scripts.js

scripts.js

731 ms

front.bundle.js

front.bundle.js

617 ms

matomo.js

matomo.js

499 ms

Logo-Stabi-HB-weiss.png

Logo-Stabi-HB-weiss.png

105 ms

Lupe-weiss-8.png

Lupe-weiss-8.png

105 ms

Icon-Login.png

Icon-Login.png

105 ms

DSC08875-768x512.jpg

DSC08875-768x512.jpg

194 ms

DSC00734-scaled-e1717659085962-768x632.jpg

DSC00734-scaled-e1717659085962-768x632.jpg

324 ms

Gmehling_Will_c_MatejMeza_frei.jpeg

Gmehling_Will_c_MatejMeza_frei.jpeg

288 ms

08-23-24_Indigo-Wild-c-pixabay-768x456.jpg

08-23-24_Indigo-Wild-c-pixabay-768x456.jpg

301 ms

08-16-24_Obstsalat-768x456.jpg

08-16-24_Obstsalat-768x456.jpg

400 ms

Neues-von-den-Rumpelwichten_Homepageformat-768x512.jpg

Neues-von-den-Rumpelwichten_Homepageformat-768x512.jpg

302 ms

Bibliothek-Zentrale-rA-97-1-768x614.jpg

Bibliothek-Zentrale-rA-97-1-768x614.jpg

388 ms

Bus1-768x576.jpg

Bus1-768x576.jpg

391 ms

bibderdinge1-1-768x590.jpg

bibderdinge1-1-768x590.jpg

403 ms

thesquare-1-768x512.png

thesquare-1-768x512.png

612 ms

Logo_Infostand-Amnesty-International-768x453.jpg

Logo_Infostand-Amnesty-International-768x453.jpg

427 ms

garageband-workshop-768x512.png

garageband-workshop-768x512.png

589 ms

onleihe_0.jpg

onleihe_0.jpg

491 ms

overdrive.jpg

overdrive.jpg

500 ms

pressreader.jpg

pressreader.jpg

503 ms

filmfriend-3.png

filmfriend-3.png

528 ms

statista.jpg

statista.jpg

585 ms

munzinger.jpg

munzinger.jpg

600 ms

linkedin_learning_0.jpg

linkedin_learning_0.jpg

602 ms

Bibliothek-Vahr-rA-37-768x614.jpg

Bibliothek-Vahr-rA-37-768x614.jpg

727 ms

newsletter.png

newsletter.png

688 ms

DSC00206-2-768x687.jpg

DSC00206-2-768x687.jpg

687 ms

Arrow-left.png

Arrow-left.png

690 ms

Arrow-right.png

Arrow-right.png

692 ms

NotoSans-VariableFont_wdth,wght.ttf

NotoSans-VariableFont_wdth,wght.ttf

862 ms

Icon-Telefon-Kreis-weiss.png

Icon-Telefon-Kreis-weiss.png

725 ms

Icon-E-Mail-Kreis-weiss.png

Icon-E-Mail-Kreis-weiss.png

725 ms

Logo-Facebook-trans.png

Logo-Facebook-trans.png

739 ms

Logo-Instagram-trans.png

Logo-Instagram-trans.png

740 ms

Logo-Whatsapp-trans.png

Logo-Whatsapp-trans.png

768 ms

Logo-Youtube-trans.png

Logo-Youtube-trans.png

836 ms

colorline.png

colorline.png

836 ms

matomo.php

matomo.php

180 ms

Accessibility Review

stabi-hb.de accessibility score

60

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-*] attributes do not match their roles

High

ARIA IDs are not unique

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

[id] attributes on active, focusable elements are not unique

Best Practices

stabi-hb.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

Low

Detected JavaScript libraries

SEO Factors

stabi-hb.de SEO score

79

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

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

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 Stabi-hb.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 Stabi-hb.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

stabi-hb.de

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