Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

opcom-diagnose.de

OP-COM | Das Professionelle Diagnosesystem für Opel

Page Load Speed

1.4 sec in total

First Response

331 ms

Resources Loaded

908 ms

Page Rendered

142 ms

opcom-diagnose.de screenshot

About Website

Click here to check amazing OP COM Diagnose content for Germany. Otherwise, check out these important facts you probably never knew about opcom-diagnose.de

Offizieller deutscher OP-COM Vertrieb • Technischer Support & Fernwartung • OP-COM Forum & Wiki • Kostenlose Software • Direkt bestellen!

Visit opcom-diagnose.de

Key Findings

We analyzed Opcom-diagnose.de page load time and found that the first response time was 331 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

opcom-diagnose.de performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value1,270 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

Network Requests Diagram

opcom-diagnose.de

331 ms

site.css

105 ms

stat.php

298 ms

background.jpg

103 ms

container.jpg

197 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 91% of them (10 requests) were addressed to the original Opcom-diagnose.de, 9% (1 request) were made to X-stat.de. The less responsive or slowest element that took the longest time to load (474 ms) belongs to the original domain Opcom-diagnose.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.8 kB (24%)

Content Size

66.5 kB

After Optimization

50.6 kB

In fact, the total size of Opcom-diagnose.de main page is 66.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 55.7 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 5.5 kB

  • Original 8.2 kB
  • After minification 7.5 kB
  • After compression 2.7 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 5.5 kB or 67% of the original size.

Image Optimization

-15%

Potential reduce by 8.4 kB

  • Original 55.7 kB
  • After minification 47.3 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, OP COM Diagnose needs image optimization as it can save up to 8.4 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-74%

Potential reduce by 1.8 kB

  • Original 2.5 kB
  • After minification 2.1 kB
  • After compression 665 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. Opcom-diagnose.de needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 74% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OP COM Diagnose. According to our analytics all requests are already optimized.

Accessibility Review

opcom-diagnose.de accessibility score

84

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

opcom-diagnose.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

opcom-diagnose.de SEO score

90

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opcom-diagnose.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 Opcom-diagnose.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 OP COM Diagnose. 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: