Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

leo-bw.de

Baden-Württemberg – Landeskunde entdecken online - LEO-BW

Page Load Speed

3.9 sec in total

First Response

648 ms

Resources Loaded

2.9 sec

Page Rendered

296 ms

leo-bw.de screenshot

About Website

Welcome to leo-bw.de homepage info - get ready to check LEO BW best content for Germany right away, or after learning these important things about leo-bw.de

Das vernetzte landeskundliche Informationssystem für Baden-Württemberg. Freier Zugang zu hochwertigen Informationen, multimedialen Inhalten, Quellen und Literatur.

Visit leo-bw.de

Key Findings

We analyzed Leo-bw.de page load time and found that the first response time was 648 ms and then it took 3.2 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

leo-bw.de performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

www.leo-bw.de

648 ms

combo

324 ms

main.css

344 ms

clay.css

546 ms

main.css

438 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that all of those requests were addressed to Leo-bw.de and no external sources were called. The less responsive or slowest element that took the longest time to load (839 ms) belongs to the original domain Leo-bw.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 347.0 kB (16%)

Content Size

2.2 MB

After Optimization

1.8 MB

In fact, the total size of Leo-bw.de main page is 2.2 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. 55% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 147.5 kB

  • Original 173.1 kB
  • After minification 171.1 kB
  • After compression 25.6 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 147.5 kB or 85% of the original size.

Image Optimization

-6%

Potential reduce by 94.4 kB

  • Original 1.5 MB
  • After minification 1.4 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. LEO BW images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 61.5 kB

  • Original 359.4 kB
  • After minification 359.4 kB
  • After compression 297.9 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 61.5 kB or 17% of the original size.

CSS Optimization

-24%

Potential reduce by 43.6 kB

  • Original 183.7 kB
  • After minification 183.7 kB
  • After compression 140.1 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. Leo-bw.de needs all CSS files to be minified and compressed as it can save up to 43.6 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (35%)

Requests Now

52

After Optimization

34

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LEO BW. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

leo-bw.de accessibility score

69

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

Best Practices

leo-bw.de best practices score

75

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

High

Page has valid source maps

SEO Factors

leo-bw.de SEO score

86

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

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 Leo-bw.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 Leo-bw.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

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