Tools & Wizards About Us
obdvietnam.net screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

obdvietnam.net

OBD Vietnam | Máy đọc lỗi ô tô | Máy chẩn đoán ô tô | Thiết bị chẩn đoán ô tô

Page Load Speed

15 sec in total

First Response

1.8 sec

Resources Loaded

12.6 sec

Page Rendered

671 ms

obdvietnam.net screenshot

About Website

Welcome to obdvietnam.net homepage info - get ready to check OBD Vietnam best content for Vietnam right away, or after learning these important things about obdvietnam.net

Công ty cổ phần OBD Việt Nam chuyên cung cấp các dòng máy chẩn đoán hàng đầu tại Việt Nam. OBD Việt Nam là công ty độc quyền phân phối các dòng máy chẩn đoán Autel

Visit obdvietnam.net

Key Findings

We analyzed Obdvietnam.net page load time and found that the first response time was 1.8 sec and then it took 13.2 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

obdvietnam.net performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

Network Requests Diagram

obdvietnam.net

1773 ms

ac_cms.css

1546 ms

slideshow.css

1564 ms

jquery-1.7.1.min.js

2374 ms

stylesheet.css

1833 ms

Our browser made a total of 171 requests to load all elements on the main page. We found that 89% of them (152 requests) were addressed to the original Obdvietnam.net, 4% (7 requests) were made to Khachhang.obdvietnam.vn and 4% (6 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (4.6 sec) belongs to the original domain Obdvietnam.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 912.4 kB (33%)

Content Size

2.8 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Obdvietnam.net main page is 2.8 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 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 134.8 kB

  • Original 149.7 kB
  • After minification 102.8 kB
  • After compression 14.8 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. This page needs HTML code to be minified as it can gain 46.9 kB, which is 31% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 134.8 kB or 90% of the original size.

Image Optimization

-7%

Potential reduce by 117.1 kB

  • Original 1.7 MB
  • After minification 1.6 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 Vietnam images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 555.8 kB

  • Original 769.6 kB
  • After minification 713.6 kB
  • After compression 213.7 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 555.8 kB or 72% of the original size.

CSS Optimization

-84%

Potential reduce by 104.7 kB

  • Original 125.1 kB
  • After minification 95.8 kB
  • After compression 20.4 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. Obdvietnam.net needs all CSS files to be minified and compressed as it can save up to 104.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (22%)

Requests Now

167

After Optimization

130

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 167 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OBD Vietnam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

obdvietnam.net

obdvietnam.net

1773 ms

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1546 ms

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1564 ms

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Accessibility Review

obdvietnam.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.

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

<frame> or <iframe> elements do not have a title

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

obdvietnam.net 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

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

High

Page has valid source maps

SEO Factors

obdvietnam.net SEO score

84

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

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

    VI

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Obdvietnam.net can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Obdvietnam.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

obdvietnam.net

Open Graph description is not detected on the main page of OBD Vietnam. 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: