Tools & Wizards About Us
rau-online.de screenshot

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

rau-online.de screenshot

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

rau-online.de

rau-online.de

363 ms

rau-online.de

rau-online.de

518 ms

js

js

56 ms

ccm19.js

ccm19.js

583 ms

screen.css

screen.css

112 ms

theme.css

theme.css

215 ms

custom.css

custom.css

300 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

488 ms

jquery.fancybox-1.3.2.pack.js

jquery.fancybox-1.3.2.pack.js

387 ms

coin-slider.js

coin-slider.js

288 ms

analytics.js

analytics.js

14 ms

collect

collect

12 ms

app.css

app.css

92 ms

widget

widget

182 ms

print.css

print.css

136 ms

body-neu.jpg

body-neu.jpg

125 ms

main-content-neu.jpg

main-content-neu.jpg

124 ms

header-neu.jpg

header-neu.jpg

116 ms

nav-l.png

nav-l.png

107 ms

nav-m.png

nav-m.png

113 ms

nav-r.png

nav-r.png

135 ms

btn_german.png

btn_german.png

218 ms

btn_english.png

btn_english.png

228 ms

1164a.jpg

1164a.jpg

232 ms

868a.jpg

868a.jpg

245 ms

1294a.jpg

1294a.jpg

235 ms

1006a.jpg

1006a.jpg

246 ms

1338a.jpg

1338a.jpg

320 ms

1337a.jpg

1337a.jpg

340 ms

arrows.png

arrows.png

342 ms

1336a.jpg

1336a.jpg

338 ms

1297a.jpg

1297a.jpg

356 ms

1296a.jpg

1296a.jpg

356 ms

1270a.jpg

1270a.jpg

428 ms

1211a.jpg

1211a.jpg

440 ms

1205a.jpg

1205a.jpg

445 ms

1198a.jpg

1198a.jpg

445 ms

1177a.jpg

1177a.jpg

467 ms

1299a.jpg

1299a.jpg

462 ms

1180a.jpg

1180a.jpg

536 ms

845a.jpg

845a.jpg

545 ms

352.jpg

352.jpg

546 ms

footer-neu.jpg

footer-neu.jpg

554 ms

63ff87b71f2975560002841b

63ff87b71f2975560002841b

92 ms

consent

consent

238 ms

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

rau-online.de

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: