Tools & Wizards About Us
otto-wolff.de screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

otto-wolff.de

Home - thyssenkrupp Materials Trading

Page Load Speed

2.3 sec in total

First Response

266 ms

Resources Loaded

1.9 sec

Page Rendered

139 ms

otto-wolff.de screenshot

About Website

Welcome to otto-wolff.de homepage info - get ready to check Otto Wolff best content for Germany right away, or after learning these important things about otto-wolff.de

Explore industry-leading solutions with thyssenkrupp Materials Trading, your trusted partner for high-quality raw materials, steel products, and cutting-edge technologies.

Visit otto-wolff.de

Key Findings

We analyzed Otto-wolff.de page load time and found that the first response time was 266 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

otto-wolff.de performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

otto-wolff.de

266 ms

www.thyssenkrupp-materials-trading.com

39 ms

www.thyssenkrupp-materials-trading.com

24 ms

polyfills.4_136_4-1d78a802b6f_202405230719.js

50 ms

polyfills-es5.4_136_4-1d78a802b6f_202405230719.js

514 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Otto-wolff.de, 55% (16 requests) were made to Ucpcdn.thyssenkrupp.com and 34% (10 requests) were made to D2zo35mdb530wx.cloudfront.net. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source D2zo35mdb530wx.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 220.0 kB (12%)

Content Size

1.9 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Otto-wolff.de main page is 1.9 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. 40% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 214.4 kB

  • Original 246.7 kB
  • After minification 241.8 kB
  • After compression 32.3 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 214.4 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 5.4 kB

  • Original 571.3 kB
  • After minification 565.9 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. Otto Wolff images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 161 B

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 1.0 MB

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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 40 B

  • Original 8.1 kB
  • After minification 8.1 kB
  • After compression 8.0 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. Otto-wolff.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (14%)

Requests Now

22

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Otto Wolff. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

otto-wolff.de

otto-wolff.de

266 ms

www.thyssenkrupp-materials-trading.com

www.thyssenkrupp-materials-trading.com

39 ms

www.thyssenkrupp-materials-trading.com

www.thyssenkrupp-materials-trading.com

24 ms

polyfills.4_136_4-1d78a802b6f_202405230719.js

polyfills.4_136_4-1d78a802b6f_202405230719.js

50 ms

polyfills-es5.4_136_4-1d78a802b6f_202405230719.js

polyfills-es5.4_136_4-1d78a802b6f_202405230719.js

514 ms

runtime.4_136_4-1d78a802b6f_202405230719.js

runtime.4_136_4-1d78a802b6f_202405230719.js

56 ms

vendor.4_136_4-1d78a802b6f_202405230719.js

vendor.4_136_4-1d78a802b6f_202405230719.js

82 ms

main.4_136_4-1d78a802b6f_202405230719.js

main.4_136_4-1d78a802b6f_202405230719.js

79 ms

styles.4_136_4-1d78a802b6f_202405230719.css

styles.4_136_4-1d78a802b6f_202405230719.css

57 ms

thyssenkrupp_logo_claim_d.svg

thyssenkrupp_logo_claim_d.svg

65 ms

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888 ms

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983 ms

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686 ms

icon_facebook_pos.svg

icon_facebook_pos.svg

40 ms

icon_twitter_pos.svg

icon_twitter_pos.svg

39 ms

icon_mail_pos.svg

icon_mail_pos.svg

43 ms

icon_linkedin_pos.svg

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42 ms

09_kundennaehe_fin_comp_adobergb_1_image_w935_h595.jpg

09_kundennaehe_fin_comp_adobergb_1_image_w935_h595.jpg

62 ms

rs176913_gettyimages_521812059_icv2_unternehmensdarstellung_kooperation_image_w935_h595.jpg

rs176913_gettyimages_521812059_icv2_unternehmensdarstellung_kooperation_image_w935_h595.jpg

59 ms

eyJrZXkiOiJfbWVkaWEvVUNQdGh5c3NlbmtydXBwQkFNYXRlcmlhbHNUcmFkaW5nL2Q5YWEwZjQ1LTQxMDMtNGFiMC04N2MxLTY2ZjQ3YmYzN2U4MS9BZG9iZVN0b2NrXzY2MDk0MjU3LXNjaG1hbGwuanBlZyIsImVkaXRzIjp7InJlc2l6ZSI6eyJ3aWR0aCI6MTI4MH19fQ==

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863 ms

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1062 ms

largetile_newyork_braman_1035x621_acf_cropped1_image_w450_h338.jpg

largetile_newyork_braman_1035x621_acf_cropped1_image_w450_h338.jpg

58 ms

icon_facebook_pos.svg

icon_facebook_pos.svg

47 ms

icon_twitter_pos.svg

icon_twitter_pos.svg

60 ms

icon_linkedin_pos.svg

icon_linkedin_pos.svg

59 ms

icon_youtube_pos.svg

icon_youtube_pos.svg

62 ms

tktyperegular-regular.woff

tktyperegular-regular.woff

26 ms

tktypemedium-regular.woff

tktypemedium-regular.woff

15 ms

tktypebold-regular.woff

tktypebold-regular.woff

26 ms

Accessibility Review

otto-wolff.de accessibility score

87

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.

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

otto-wolff.de best practices score

83

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

otto-wolff.de SEO score

93

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Otto-wolff.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Otto-wolff.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

otto-wolff.de

Open Graph data is detected on the main page of Otto Wolff. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: