Tools & Wizards About Us

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

wiki.feuerwache.net

LEITSTELLENSPIEL.DE - Baue deine eigene Leitstelle!

Page Load Speed

3.2 sec in total

First Response

491 ms

Resources Loaded

2.6 sec

Page Rendered

91 ms

About Website

Visit wiki.feuerwache.net now to see the best up-to-date Wiki Feuerwache content for Germany and also check out these interesting facts you probably never knew about wiki.feuerwache.net

Leitstellenspiel.de - Der kostenlose Feuerwehr Simulator! In diesem realistischen Feuerwehrspiel koordinierst du Feuerwehr, Polizei und THW in spannenden Einsätzen.

Visit wiki.feuerwache.net

Key Findings

We analyzed Wiki.feuerwache.net page load time and found that the first response time was 491 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

wiki.feuerwache.net performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value12.6 s

3/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

www.leitstellenspiel.de

491 ms

sign_up

120 ms

application-063842f0ac37a6ef84086b8657a18e2b.js

737 ms

application-fcdb9f3e73b5c0084f30ecfc9f4de172.css

760 ms

raven.min-0738984f679c6e86184ca26bfcc54217.js

394 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Wiki.feuerwache.net, 2% (1 request) were made to Appleid.cdn-apple.com and 2% (1 request) were made to . The less responsive or slowest element that took the longest time to load (760 ms) relates to the external source Leitstellenspiel.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (75%)

Content Size

2.2 MB

After Optimization

559.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wiki.feuerwache.net 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. 20% of websites need less resources to load. Javascripts take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 30.4 kB

  • Original 45.9 kB
  • After minification 43.2 kB
  • After compression 15.5 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 30.4 kB or 66% of the original size.

Image Optimization

-12%

Potential reduce by 5.9 kB

  • Original 47.1 kB
  • After minification 41.2 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. Obviously, Wiki Feuerwache needs image optimization as it can save up to 5.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 1.3 MB

  • Original 1.7 MB
  • After minification 1.7 MB
  • After compression 450.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.3 MB or 74% of the original size.

CSS Optimization

-87%

Potential reduce by 338.8 kB

  • Original 390.3 kB
  • After minification 294.3 kB
  • After compression 51.4 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. Wiki.feuerwache.net needs all CSS files to be minified and compressed as it can save up to 338.8 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (55%)

Requests Now

47

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wiki Feuerwache. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

wiki.feuerwache.net accessibility score

82

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.

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 valid value for its [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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

wiki.feuerwache.net 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

wiki.feuerwache.net SEO score

90

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

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 Wiki.feuerwache.net 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 Wiki.feuerwache.net 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 Wiki Feuerwache. 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: