Report Summary

  • 19

    Performance

    Renders faster than
    36% 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

scantool.net

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

Page Load Speed

2.9 sec in total

First Response

169 ms

Resources Loaded

2.5 sec

Page Rendered

221 ms

About Website

Click here to check amazing Scan Tool content for United States. Otherwise, check out these important facts you probably never knew about scantool.net

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

Visit scantool.net

Key Findings

We analyzed Scantool.net page load time and found that the first response time was 169 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

scantool.net performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value16.3 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value960 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.222

56/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

scantool.net

169 ms

scantool.net

254 ms

www.scantool.net

576 ms

c72a3e8836c1b7011b33600891dfaef5.css

127 ms

dcb9be174382bbb291d8fb62c9bf6393.js

466 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 70% of them (33 requests) were addressed to the original Scantool.net, 6% (3 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Seal.digicert.com. The less responsive or slowest element that took the longest time to load (576 ms) belongs to the original domain Scantool.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 169.8 kB (12%)

Content Size

1.4 MB

After Optimization

1.2 MB

In fact, the total size of Scantool.net main page is 1.4 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. 55% of websites need less resources to load. Images take 793.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 89.3 kB

  • Original 113.6 kB
  • After minification 103.1 kB
  • After compression 24.3 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 89.3 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 18.7 kB

  • Original 793.0 kB
  • After minification 774.4 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. Scan Tool images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 29.7 kB

  • Original 401.1 kB
  • After minification 401.1 kB
  • After compression 371.3 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. Scantool.net 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 14 (33%)

Requests Now

43

After Optimization

29

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scan 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 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

scantool.net 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

scantool.net 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

scantool.net 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 Scantool.net 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 Scantool.net 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 Scan Tool. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: