Access vincom.com.vn. Vincom - Hệ Thống Trung Tâm Thương Mại Lớn Nhất Việt Nam

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value13,670 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.455

20/100

15%

TTI (Time to Interactive)

Value27.0 s

0/100

10%

vincom.com.vn

892 ms

vincomshoppingmall.com

2018 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that 50% of them (1 request) were addressed to the original Vincom.com.vn, 50% (1 request) were made to Vincomshoppingmall.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Vincomshoppingmall.com.

Content Size

474 B

After Optimization

227 B

In fact, the total size of Vincom.com.vn main page is 474 B. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 474 B which makes up the majority of the site volume.

HTML Optimization

-52%

Potential reduce by 247 B

Original 474 B
After minification 393 B
After compression 227 B

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 81 B, which is 17% 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 247 B or 52% of the original size.

Requests Now

After Optimization

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vincom. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Form elements do not have associated labels

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 the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

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 Vincom.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 Vincom.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

vincom.com.vn

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