Tools & Wizards About Us

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

obd-scanner.com

OBD-scanner Auto OBD2 Diagnosewerkzeug, Liferanter von auto obd2 tool

Page Load Speed

22.5 sec in total

First Response

507 ms

Resources Loaded

21.1 sec

Page Rendered

920 ms

About Website

Click here to check amazing OBD Scanner content. Otherwise, check out these important facts you probably never knew about obd-scanner.com

OBD-scanner befindet sich in China, wir bieten fast alle Auto OBD2 diagnose Werkzeuge an. Z.B BDII / OBD2 scanner, OBDII cable and connector, car and truck diagnostic tool, ECU programmer, auto key pr...

Visit obd-scanner.com

Key Findings

We analyzed Obd-scanner.com page load time and found that the first response time was 507 ms and then it took 22 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

obd-scanner.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

obd-scanner.com

507 ms

www.obd-scanner.com

1310 ms

stylesheet.css

254 ms

stylesheet_categories.css

261 ms

stylesheet_categories_menu.css

265 ms

Our browser made a total of 157 requests to load all elements on the main page. We found that 99% of them (156 requests) were addressed to the original Obd-scanner.com, 1% (1 request) were made to Paypalobjects.com. The less responsive or slowest element that took the longest time to load (12.6 sec) belongs to the original domain Obd-scanner.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 379.8 kB (10%)

Content Size

3.7 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Obd-scanner.com 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 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 85.3 kB

  • Original 101.8 kB
  • After minification 97.6 kB
  • After compression 16.5 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 85.3 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 242.6 kB

  • Original 3.5 MB
  • After minification 3.2 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. OBD Scanner images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 34.7 kB

  • Original 95.6 kB
  • After minification 86.5 kB
  • After compression 60.8 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 34.7 kB or 36% of the original size.

CSS Optimization

-37%

Potential reduce by 17.2 kB

  • Original 46.2 kB
  • After minification 41.8 kB
  • After compression 29.0 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. Obd-scanner.com needs all CSS files to be minified and compressed as it can save up to 17.2 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 59 (39%)

Requests Now

153

After Optimization

94

  • Images
  • JavaScript
  • CSS

The browser has sent 153 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OBD Scanner. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

obd-scanner.com accessibility score

46

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

obd-scanner.com 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

obd-scanner.com 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

    EN

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Obd-scanner.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Obd-scanner.com 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 OBD Scanner. 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: