Tools & Wizards About Us
stadtbibliothekbasel.ch screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

stadtbibliothekbasel.ch

GGG Stadtbibliothek Basel: Buch, Musik, Film, Spiele

Page Load Speed

5.5 sec in total

First Response

328 ms

Resources Loaded

5.1 sec

Page Rendered

74 ms

stadtbibliothekbasel.ch screenshot

About Website

Welcome to stadtbibliothekbasel.ch homepage info - get ready to check Stadtbibliothek Basel best content for Switzerland right away, or after learning these important things about stadtbibliothekbasel.ch

Die GGG Stadtbibliothek Basel ist die öffentliche Bibliothek der Stadt Basel und umfasst 9 Bibliotheken in Basel, Binningen.

Visit stadtbibliothekbasel.ch

Key Findings

We analyzed Stadtbibliothekbasel.ch page load time and found that the first response time was 328 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

stadtbibliothekbasel.ch performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value17.9 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value1,130 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value17.1 s

4/100

10%

Network Requests Diagram

stadtbibliothekbasel.ch

328 ms

www.stadtbibliothekbasel.ch

695 ms

ebc15f61eb4abae86559f8346e20fcd7.css

115 ms

js

65 ms

78329f74-909c-4630-9e24-38e6b67a83ba.js

93 ms

Our browser made a total of 318 requests to load all elements on the main page. We found that 10% of them (33 requests) were addressed to the original Stadtbibliothekbasel.ch, 55% (175 requests) were made to Alcodacovers.info and 21% (67 requests) were made to Images-eu.ssl-images-amazon.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Katalog.stadtbibliothekbasel.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 800.3 kB (5%)

Content Size

15.7 MB

After Optimization

14.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stadtbibliothekbasel.ch main page is 15.7 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. Only a small number of websites need less resources to load. Images take 14.9 MB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 504.7 kB

  • Original 537.4 kB
  • After minification 435.2 kB
  • After compression 32.7 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 102.2 kB, which is 19% 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 504.7 kB or 94% of the original size.

Image Optimization

-2%

Potential reduce by 261.1 kB

  • Original 14.9 MB
  • After minification 14.6 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. Stadtbibliothek Basel images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 34.4 kB

  • Original 255.7 kB
  • After minification 255.7 kB
  • After compression 221.2 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 34.4 kB or 13% of the original size.

CSS Optimization

-0%

Potential reduce by 31 B

  • Original 15.2 kB
  • After minification 15.2 kB
  • After compression 15.2 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. Stadtbibliothekbasel.ch has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (2%)

Requests Now

313

After Optimization

308

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 313 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stadtbibliothek Basel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

stadtbibliothekbasel.ch

stadtbibliothekbasel.ch

328 ms

www.stadtbibliothekbasel.ch

www.stadtbibliothekbasel.ch

695 ms

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115 ms

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Accessibility Review

stadtbibliothekbasel.ch accessibility score

89

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

stadtbibliothekbasel.ch 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

Missing source maps for large first-party JavaScript

SEO Factors

stadtbibliothekbasel.ch SEO score

99

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

High

Tap targets are not sized appropriately

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 Stadtbibliothekbasel.ch 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 Stadtbibliothekbasel.ch 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

stadtbibliothekbasel.ch

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