Tools & Wizards About Us

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

obd2diag.com

OBDII Scan Tools for iOS, Android & Windows Smartphones, Tablets & PC

Page Load Speed

3.4 sec in total

First Response

79 ms

Resources Loaded

3 sec

Page Rendered

259 ms

About Website

Welcome to obd2diag.com homepage info - get ready to check Obd 2 Diag best content right away, or after learning these important things about obd2diag.com

OBDLink scan tools, app, and diagnostic software, designed for iPhone, Android and Windows. Diagnose and erase trouble codes, measure performance, and more.

Visit obd2diag.com

Key Findings

We analyzed Obd2diag.com page load time and found that the first response time was 79 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

obd2diag.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value16.8 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value1,270 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.209

59/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

obd2diag.com

79 ms

www.scantool.net

240 ms

www.scantool.net

894 ms

c72a3e8836c1b7011b33600891dfaef5.css

281 ms

dcb9be174382bbb291d8fb62c9bf6393.js

610 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Obd2diag.com, 84% (32 requests) were made to Scantool.net and 5% (2 requests) were made to Seal.digicert.com. The less responsive or slowest element that took the longest time to load (894 ms) relates to the external source Scantool.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 148.8 kB (12%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Obd2diag.com main page is 1.3 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. 35% of websites need less resources to load. Images take 797.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 85.2 kB

  • Original 107.4 kB
  • After minification 96.4 kB
  • After compression 22.2 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 85.2 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 23.8 kB

  • Original 797.9 kB
  • After minification 774.1 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. Obd 2 Diag images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 7.7 kB

  • Original 304.1 kB
  • After minification 304.1 kB
  • After compression 296.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-43%

Potential reduce by 32.1 kB

  • Original 75.4 kB
  • After minification 75.2 kB
  • After compression 43.3 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. Obd2diag.com needs all CSS files to be minified and compressed as it can save up to 32.1 kB or 43% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (18%)

Requests Now

34

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Obd 2 Diag. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

obd2diag.com accessibility score

80

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

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

obd2diag.com best practices score

67

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

Missing source maps for large first-party JavaScript

SEO Factors

obd2diag.com 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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Obd2diag.com 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 Obd2diag.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 data is detected on the main page of Obd 2 Diag. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: