Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 83

    SEO

    Google-friendlier than
    54% of websites

vuonsam.vn

VuonSam.vn - NPP Nhân Sâm - Linh Chi và các sp sức khoẻ hàng đầu VN

Page Load Speed

18.2 sec in total

First Response

2 sec

Resources Loaded

15.6 sec

Page Rendered

600 ms

vuonsam.vn screenshot

About Website

Click here to check amazing Vuon Sam content for Vietnam. Otherwise, check out these important facts you probably never knew about vuonsam.vn

Chuyên cung cấp các sản phẩm An Cung Ngưu Hoàng Hoàn rùa vàng, Sâm Ngọc Linh, Nhân Sâm, Nấm Linh Chi, Đông Trùng Hạ Thảo, Sữa Ong Chúa, Mỹ Phẩm Hàn Quốc

Visit vuonsam.vn

Key Findings

We analyzed Vuonsam.vn page load time and found that the first response time was 2 sec and then it took 16.2 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

vuonsam.vn performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.641

9/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

vuonsam.vn

1972 ms

bottom_support_ico_phone.png

548 ms

bottom_support_ico_guidepayment.png

556 ms

bottom_support_ico_advisoryonline.png

555 ms

ga.js

31 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 84% of them (78 requests) were addressed to the original Vuonsam.vn, 5% (5 requests) were made to Google-analytics.com and 3% (3 requests) were made to Vs1.tawk.to. The less responsive or slowest element that took the longest time to load (7.4 sec) belongs to the original domain Vuonsam.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (28%)

Content Size

4.0 MB

After Optimization

2.9 MB

In fact, the total size of Vuonsam.vn main page is 4.0 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. 60% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 312.5 kB

  • Original 345.8 kB
  • After minification 278.7 kB
  • After compression 33.3 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. This page needs HTML code to be minified as it can gain 67.1 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 312.5 kB or 90% of the original size.

Image Optimization

-2%

Potential reduce by 59.6 kB

  • Original 2.7 MB
  • After minification 2.6 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. Vuon Sam images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 332.8 kB

  • Original 467.2 kB
  • After minification 467.0 kB
  • After compression 134.4 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 332.8 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 383.0 kB

  • Original 454.5 kB
  • After minification 444.7 kB
  • After compression 71.4 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. Vuonsam.vn needs all CSS files to be minified and compressed as it can save up to 383.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (8%)

Requests Now

87

After Optimization

80

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vuon Sam. 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

vuonsam.vn accessibility score

76

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

vuonsam.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

Browser errors were logged to the console

SEO Factors

vuonsam.vn SEO score

83

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

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vuonsam.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 Vuonsam.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 Vuon Sam. 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: