Tools & Wizards About Us

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

rau-online.de

Rau GmbH - Gebrauchtmaschinen für die Schüttgutaufbereitung

Page Load Speed

2.6 sec in total

First Response

363 ms

Resources Loaded

2.2 sec

Page Rendered

115 ms

About Website

Visit rau-online.de now to see the best up-to-date Rau Online content and also check out these interesting facts you probably never knew about rau-online.de

An- und Verkauf von Gebrauchtmaschinen und Anlagen zur Gewinnung und Aufbereitung von Schüttgütern für die Bereiche Steine und Erden, Keramik, Feuerfest, Gießerei, Chemie, Zement, Recycling und Umwelt...

Visit rau-online.de

Key Findings

We analyzed Rau-online.de page load time and found that the first response time was 363 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rau-online.de performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

rau-online.de

363 ms

rau-online.de

518 ms

js

56 ms

ccm19.js

583 ms

screen.css

112 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 82% of them (37 requests) were addressed to the original Rau-online.de, 11% (5 requests) were made to 5f3c395.ccm19.de and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (583 ms) relates to the external source 5f3c395.ccm19.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.5 kB (42%)

Content Size

318.1 kB

After Optimization

185.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rau-online.de main page is 318.1 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. 20% of websites need less resources to load. Images take 159.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 22.7 kB

  • Original 30.8 kB
  • After minification 28.4 kB
  • After compression 8.1 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 22.7 kB or 74% of the original size.

Image Optimization

-23%

Potential reduce by 37.4 kB

  • Original 159.4 kB
  • After minification 121.9 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, Rau Online needs image optimization as it can save up to 37.4 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-53%

Potential reduce by 57.8 kB

  • Original 108.4 kB
  • After minification 107.9 kB
  • After compression 50.6 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 57.8 kB or 53% of the original size.

CSS Optimization

-75%

Potential reduce by 14.7 kB

  • Original 19.6 kB
  • After minification 16.4 kB
  • After compression 4.9 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. Rau-online.de needs all CSS files to be minified and compressed as it can save up to 14.7 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (20%)

Requests Now

41

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rau Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rau-online.de accessibility score

86

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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 [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

High

Links do not have a discernible name

Best Practices

rau-online.de best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

rau-online.de SEO score

62

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

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rau-online.de 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 Rau-online.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 Rau Online. 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: