Access vcomsat.vn. Giám sát hành trình xe - Thiết bị định vị - Giám sát xe trực tuyến

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value32.0 s

0/100

25%

SI (Speed Index)

Value21.3 s

0/100

10%

TBT (Total Blocking Time)

Value2,510 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.148

76/100

15%

TTI (Time to Interactive)

Value24.8 s

0/100

10%

vcomsat.vn

1027 ms

css

29 ms

bootstrap.min.css

232 ms

fontello.css

469 ms

demo.css

477 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 84% of them (100 requests) were addressed to the original Vcomsat.vn, 6% (7 requests) were made to Youtube.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Vcomsat.vn.

Content Size

2.4 MB

After Optimization

1.5 MB

In fact, the total size of Vcomsat.vn main page is 2.4 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. Only a small number of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 67.9 kB

Original 79.0 kB
After minification 55.3 kB
After compression 11.1 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 23.7 kB, which is 30% 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 67.9 kB or 86% of the original size.

Image Optimization

-25%

Potential reduce by 358.1 kB

Original 1.5 MB
After minification 1.1 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. Obviously, VCOMSAT needs image optimization as it can save up to 358.1 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-29%

Potential reduce by 101.0 kB

Original 344.5 kB
After minification 344.5 kB
After compression 243.5 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 101.0 kB or 29% of the original size.

CSS Optimization

-75%

Potential reduce by 367.1 kB

Original 491.6 kB
After minification 491.4 kB
After compression 124.5 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. Vcomsat.vn needs all CSS files to be minified and compressed as it can save up to 367.1 kB or 75% of the original size.

Requests Now

111

After Optimization

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VCOMSAT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

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

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

robots.txt is not valid

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/).

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 Vcomsat.vn 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 Vcomsat.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

vcomsat.vn

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Giám sát hành trình xe - Thiết bị định vị - Giám sát xe trực tuyến - VCOMSAT

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

vcomsat.vn

css

bootstrap.min.css

fontello.css

demo.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

vcomsat.vn

css

bootstrap.min.css

fontello.css

demo.css

settings.css

layers.css

navigation.css

owl.carousel.css

style.css

responsive.css

jquery.modernizr.js

jquery-2.2.4.min.js

jquery-ui.min.js

retina.min.js

jquery.scrollTo.min.js

jquery.localScroll.min.js

jquery.queryloader2.min.js

bootstrap.js

owl.carousel.min.js

jquery.themepunch.tools.min.js

jquery.themepunch.revolution.min.js

jquery.tweet.min.js

jquery.fancybox.js

plugins.js

script.js

logo.png

1920x600_slide5.jpg

1920x600_slide4.jpg

1920x600_slide6.jpg

288x288_img1.jpg

288x288_img2.jpg

288x288_img3.jpg

288x288_img4.jpg

288x288_img5.jpg

288x288_img6.jpg

120x120_avatar1.png

120x120_avatar2.png

120x120_avatar3.png

brend1.jpg

brend2.jpg

brend3.jpg

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