Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 83

    SEO

    Google-friendlier than
    54% of websites

vuonsam.com.vn

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

Page Load Speed

11.9 sec in total

First Response

1.7 sec

Resources Loaded

9.6 sec

Page Rendered

580 ms

vuonsam.com.vn screenshot

About Website

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

Key Findings

We analyzed Vuonsam.com.vn page load time and found that the first response time was 1.7 sec and then it took 10.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster. This domain responded with an error, which can significantly jeopardize Vuonsam.com.vn rating and web reputation

Performance Metrics

vuonsam.com.vn performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.125

83/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

vuonsam.com.vn

1741 ms

style.css

2004 ms

common.css

847 ms

jquery.fancybox.css

847 ms

jquery.min.js

3270 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 4% of them (4 requests) were addressed to the original Vuonsam.com.vn, 46% (49 requests) were made to Media.bizwebmedia.net and 27% (29 requests) were made to Static.bizwebmedia.net. The less responsive or slowest element that took the longest time to load (3.3 sec) relates to the external source Static.bizwebmedia.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 451.3 kB (30%)

Content Size

1.5 MB

After Optimization

1.0 MB

In fact, the total size of Vuonsam.com.vn main page is 1.5 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. 50% of websites need less resources to load. Images take 990.8 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 151.9 kB

  • Original 171.1 kB
  • After minification 116.5 kB
  • After compression 19.2 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 54.5 kB, which is 32% 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 151.9 kB or 89% of the original size.

Image Optimization

-7%

Potential reduce by 66.1 kB

  • Original 990.8 kB
  • After minification 924.6 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. Vuon Sam images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 142.2 kB

  • Original 211.8 kB
  • After minification 170.4 kB
  • After compression 69.6 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 142.2 kB or 67% of the original size.

CSS Optimization

-85%

Potential reduce by 91.1 kB

  • Original 106.6 kB
  • After minification 74.0 kB
  • After compression 15.5 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. Vuonsam.com.vn needs all CSS files to be minified and compressed as it can save up to 91.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (31%)

Requests Now

103

After Optimization

71

The browser has sent 103 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 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vuonsam.com.vn accessibility score

52

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

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.com.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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

vuonsam.com.vn SEO score

83

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

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

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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