Report Summary

  • 97

    Performance

    Renders faster than
    95% 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

  • 100

    SEO

    Google-friendlier than
    95% of websites

dopc.kassl.de

OPC UA Client Toolkits, Gateways and Tools from Kassl GmbH

Page Load Speed

1.1 sec in total

First Response

318 ms

Resources Loaded

659 ms

Page Rendered

105 ms

dopc.kassl.de screenshot

About Website

Click here to check amazing D OPC Kassl content. Otherwise, check out these important facts you probably never knew about dopc.kassl.de

If you want to develop OPC UA (Unified Architecture), XML DA or OPC DA, AE or HDA Classic clients the solutions from Kassl GmbH are the right ones.

Visit dopc.kassl.de

Key Findings

We analyzed Dopc.kassl.de page load time and found that the first response time was 318 ms and then it took 764 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

dopc.kassl.de performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

97/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

dopc.kassl.de

318 ms

style.css

105 ms

globe-small.jpg

194 ms

opc-foundation-member.gif

207 ms

embarcadero.jpg

208 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Dopc.kassl.de and no external sources were called. The less responsive or slowest element that took the longest time to load (318 ms) belongs to the original domain Dopc.kassl.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 7.1 kB (29%)

Content Size

24.6 kB

After Optimization

17.5 kB

In fact, the total size of Dopc.kassl.de main page is 24.6 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 15.7 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 3.5 kB

  • Original 5.3 kB
  • After minification 5.0 kB
  • After compression 1.8 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 3.5 kB or 66% of the original size.

Image Optimization

-6%

Potential reduce by 883 B

  • Original 15.7 kB
  • After minification 14.8 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. D OPC Kassl images are well optimized though.

CSS Optimization

-76%

Potential reduce by 2.8 kB

  • Original 3.6 kB
  • After minification 2.8 kB
  • After compression 861 B

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. Dopc.kassl.de needs all CSS files to be minified and compressed as it can save up to 2.8 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D OPC Kassl. According to our analytics all requests are already optimized.

Accessibility Review

dopc.kassl.de accessibility score

100

Accessibility Issues

Best Practices

dopc.kassl.de 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

dopc.kassl.de SEO score

100

Search Engine Optimization Advices

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dopc.kassl.de can be misinterpreted by Google and other search engines. Our service has detected that English 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 Dopc.kassl.de main page’s claimed encoding is iso-8859-1. 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 D OPC Kassl. 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: