Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

obd2tool.com

Auto Diagnostic Tool Wholesale From China

Page Load Speed

13.9 sec in total

First Response

1.8 sec

Resources Loaded

11.5 sec

Page Rendered

553 ms

obd2tool.com screenshot

About Website

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Key Findings

We analyzed Obd2tool.com page load time and found that the first response time was 1.8 sec and then it took 12.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

obd2tool.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.394

26/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

obd2tool.com

1815 ms

www.obd2tool.com

1545 ms

style.css

664 ms

common.js

754 ms

index.js

750 ms

Our browser made a total of 150 requests to load all elements on the main page. We found that 75% of them (112 requests) were addressed to the original Obd2tool.com, 7% (10 requests) were made to Static.xx.fbcdn.net and 4% (6 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Obd2tool.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 281.2 kB (24%)

Content Size

1.2 MB

After Optimization

909.2 kB

In fact, the total size of Obd2tool.com main page is 1.2 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 791.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 97.6 kB

  • Original 117.6 kB
  • After minification 107.5 kB
  • After compression 19.9 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 97.6 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 49.6 kB

  • Original 791.4 kB
  • After minification 741.7 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. Obd2 Tool images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 104.2 kB

  • Original 242.4 kB
  • After minification 216.9 kB
  • After compression 138.2 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 104.2 kB or 43% of the original size.

CSS Optimization

-76%

Potential reduce by 29.8 kB

  • Original 39.1 kB
  • After minification 28.8 kB
  • After compression 9.3 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. Obd2tool.com needs all CSS files to be minified and compressed as it can save up to 29.8 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (38%)

Requests Now

143

After Optimization

89

The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Obd2 Tool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

obd2tool.com accessibility score

82

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

obd2tool.com best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

obd2tool.com SEO score

97

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Obd2tool.com 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 Obd2tool.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 Obd2 Tool. 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: