Tools & Wizards About Us

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

dinhvi.vn

Hệ thống giám sát hành trình GPS. Thiết bị giám sát hành trình hợp chuẩn Nasia-V5

Page Load Speed

8.3 sec in total

First Response

1.8 sec

Resources Loaded

6.4 sec

Page Rendered

110 ms

About Website

Welcome to dinhvi.vn homepage info - get ready to check Dinhvi best content for Vietnam right away, or after learning these important things about dinhvi.vn

Nhà sản xuất thiết bị giám sát hành trình hợp chuẩn chất lượng cao, giá gốc, bảo hành lâu dài, bảo trì trọn đời, mạng lưới rộng khắp.

Visit dinhvi.vn

Key Findings

We analyzed Dinhvi.vn page load time and found that the first response time was 1.8 sec and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

dinhvi.vn performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

dinhvi.vn

1841 ms

SignIn.aspx

807 ms

StyleSheet.css

650 ms

iconuser.png

469 ms

pass.png

722 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Dinhvi.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Dinhvi.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.4 kB (5%)

Content Size

445.5 kB

After Optimization

422.1 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Dinhvi.vn main page is 445.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 434.1 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 5.8 kB

  • Original 8.8 kB
  • After minification 8.1 kB
  • After compression 3.0 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 5.8 kB or 66% of the original size.

Image Optimization

-4%

Potential reduce by 15.5 kB

  • Original 434.1 kB
  • After minification 418.6 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. Dinhvi images are well optimized though.

CSS Optimization

-81%

Potential reduce by 2.1 kB

  • Original 2.5 kB
  • After minification 1.4 kB
  • After compression 478 B

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. Dinhvi.vn needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dinhvi. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

dinhvi.vn accessibility score

73

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

Image elements do not have [alt] attributes

Best Practices

dinhvi.vn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

dinhvi.vn SEO score

67

Search Engine Optimization Advices

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

    VI

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dinhvi.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Dinhvi.vn 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 Dinhvi. 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: