Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

rotamill.de

ROTAMILL GmbH | Home

Page Load Speed

5.9 sec in total

First Response

960 ms

Resources Loaded

4.1 sec

Page Rendered

912 ms

About Website

Click here to check amazing ROTAMILL content. Otherwise, check out these important facts you probably never knew about rotamill.de

Verfahrenstechnischer Anlagenbau für industrielle Abluftreinigung, Energierecycling und Oberflächentechnik. Jetzt unverbindliches Angebot einholen!

Visit rotamill.de

Key Findings

We analyzed Rotamill.de page load time and found that the first response time was 960 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

rotamill.de performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

rotamill.de

960 ms

fonts.css,slides.css,custom.css,swiper.min.css-6c677e67.css

1069 ms

jquery.min.js-14b9237d.js

629 ms

icon

37 ms

slides.min.js

340 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 95% of them (40 requests) were addressed to the original Rotamill.de, 2% (1 request) were made to Fonts.googleapis.com and 2% (1 request) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Rotamill.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 736.8 kB (20%)

Content Size

3.7 MB

After Optimization

2.9 MB

In fact, the total size of Rotamill.de main page is 3.7 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. 50% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-48%

Potential reduce by 70.5 kB

  • Original 145.5 kB
  • After minification 139.4 kB
  • After compression 75.0 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 70.5 kB or 48% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.7 MB
  • After minification 2.7 MB

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. ROTAMILL images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 365.2 kB

  • Original 502.6 kB
  • After minification 471.2 kB
  • After compression 137.4 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 365.2 kB or 73% of the original size.

CSS Optimization

-88%

Potential reduce by 301.1 kB

  • Original 340.9 kB
  • After minification 274.5 kB
  • After compression 39.8 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. Rotamill.de needs all CSS files to be minified and compressed as it can save up to 301.1 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (23%)

Requests Now

22

After Optimization

17

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ROTAMILL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

rotamill.de accessibility score

86

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

rotamill.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rotamill.de SEO score

83

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

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 Rotamill.de 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 Rotamill.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 ROTAMILL. 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: