Tools & Wizards About Us
af-feuer.de screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

af-feuer.de

A&F GmbH – Anlagen- & Feuerlöschtechnik

Page Load Speed

1.1 sec in total

First Response

411 ms

Resources Loaded

421 ms

Page Rendered

315 ms

af-feuer.de screenshot

About Website

Welcome to af-feuer.de homepage info - get ready to check Af Feuer best content right away, or after learning these important things about af-feuer.de

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Key Findings

We analyzed Af-feuer.de page load time and found that the first response time was 411 ms and then it took 736 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster. This domain responded with an error, which can significantly jeopardize Af-feuer.de rating and web reputation

Performance Metrics

af-feuer.de performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.533

14/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

af-feuer.de

411 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Af-feuer.de and no external sources were called. The less responsive or slowest element that took the longest time to load (411 ms) belongs to the original domain Af-feuer.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 233 B (39%)

Content Size

601 B

After Optimization

368 B

  • HTML

In fact, the total size of Af-feuer.de main page is 601 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 601 B which makes up the majority of the site volume.

HTML Optimization

-39%

Potential reduce by 233 B

  • Original 601 B
  • After minification 563 B
  • After compression 368 B

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 233 B or 39% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Network Requests Diagram

af-feuer.de

af-feuer.de

411 ms

Accessibility Review

af-feuer.de accessibility score

97

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

af-feuer.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

af-feuer.de SEO score

91

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Af-feuer.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Af-feuer.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

af-feuer.de

Open Graph description is not detected on the main page of Af Feuer. 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: