Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 55

    SEO

    Google-friendlier than
    20% of websites

prs.tvsi.com.vn

Bảng giá trực tuyến TVSI

Page Load Speed

14.5 sec in total

First Response

1.6 sec

Resources Loaded

12.7 sec

Page Rendered

129 ms

prs.tvsi.com.vn screenshot

About Website

Visit prs.tvsi.com.vn now to see the best up-to-date Prs TVSI content for Vietnam and also check out these interesting facts you probably never knew about prs.tvsi.com.vn

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Key Findings

We analyzed Prs.tvsi.com.vn page load time and found that the first response time was 1.6 sec and then it took 12.9 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

prs.tvsi.com.vn performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value20.1 s

0/100

10%

TBT (Total Blocking Time)

Value24,260 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value38.0 s

0/100

10%

Network Requests Diagram

prs.tvsi.com.vn

1616 ms

style.css

1535 ms

autosuggest.css

521 ms

ar.js

3558 ms

ServerTime.ashx

511 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 93% of them (28 requests) were addressed to the original Prs.tvsi.com.vn, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (8.7 sec) belongs to the original domain Prs.tvsi.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 278.6 kB (76%)

Content Size

368.4 kB

After Optimization

89.7 kB

In fact, the total size of Prs.tvsi.com.vn main page is 368.4 kB. 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 10% of websites need less resources to load. Javascripts take 206.5 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 92.2 kB

  • Original 105.0 kB
  • After minification 84.8 kB
  • After compression 12.7 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 20.2 kB, which is 19% 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 92.2 kB or 88% of the original size.

Image Optimization

-10%

Potential reduce by 3.1 kB

  • Original 31.7 kB
  • After minification 28.6 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. Prs TVSI images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 162.6 kB

  • Original 206.5 kB
  • After minification 164.6 kB
  • After compression 43.9 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 162.6 kB or 79% of the original size.

CSS Optimization

-82%

Potential reduce by 20.6 kB

  • Original 25.1 kB
  • After minification 24.6 kB
  • After compression 4.5 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. Prs.tvsi.com.vn needs all CSS files to be minified and compressed as it can save up to 20.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (24%)

Requests Now

29

After Optimization

22

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prs TVSI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

prs.tvsi.com.vn accessibility score

84

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

Form elements do not have associated labels

Best Practices

prs.tvsi.com.vn best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Uses deprecated APIs

High

Missing source maps for large first-party JavaScript

SEO Factors

prs.tvsi.com.vn SEO score

55

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

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prs.tvsi.com.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Prs.tvsi.com.vn main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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