Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

a-u-f.net

A&F Drucklufttechnik GmbH: A&F Drucklufttechnik GmbH

Page Load Speed

1.5 sec in total

First Response

424 ms

Resources Loaded

998 ms

Page Rendered

96 ms

a-u-f.net screenshot

About Website

Visit a-u-f.net now to see the best up-to-date A U F content and also check out these interesting facts you probably never knew about a-u-f.net

Wir sind der spezialist für Druckluftechnik mit Sitz in Hamburg. Wir bieten auch Gebrauchtmaschinen an.

Visit a-u-f.net

Key Findings

We analyzed A-u-f.net page load time and found that the first response time was 424 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

a-u-f.net performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.398

25/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

a-u-f.net

424 ms

Sarus-Net.js

335 ms

Gruppekompl.jpg

592 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to A-u-f.net and no external sources were called. The less responsive or slowest element that took the longest time to load (592 ms) belongs to the original domain A-u-f.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.7 kB (33%)

Content Size

247.4 kB

After Optimization

166.7 kB

In fact, the total size of A-u-f.net main page is 247.4 kB. 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 5% of websites need less resources to load. Images take 168.8 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 2.8 kB

  • Original 4.2 kB
  • After minification 3.9 kB
  • After compression 1.4 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 2.8 kB or 67% of the original size.

Image Optimization

-11%

Potential reduce by 19.1 kB

  • Original 168.8 kB
  • After minification 149.7 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, A U F needs image optimization as it can save up to 19.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-79%

Potential reduce by 58.8 kB

  • Original 74.4 kB
  • After minification 64.9 kB
  • After compression 15.6 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 58.8 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A U F. According to our analytics all requests are already optimized.

Accessibility Review

a-u-f.net accessibility score

100

Accessibility Issues

Best Practices

a-u-f.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

Page has valid source maps

SEO Factors

a-u-f.net SEO score

88

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise A-u-f.net can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that A-u-f.net main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of A U F. 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: