Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

tin.vn

SaleKit - Phần Mềm Quản lý Bán Hàng - Miễn Phí 100%

Page Load Speed

7.1 sec in total

First Response

1.5 sec

Resources Loaded

5.4 sec

Page Rendered

222 ms

tin.vn screenshot

About Website

Welcome to tin.vn homepage info - get ready to check Tin best content for Vietnam right away, or after learning these important things about tin.vn

Phần Mềm Quản lý Bán Hàng Miễn Phí Tốt Nhất - Cửa Hàng, Kho hàng, Bán hàng Online: Website - Sàn TMĐT - Facebook - Đơn hàng, Khách hàng - Tồn kho - Kết nối Shipper, Email, Website, Affiliate,..

Visit tin.vn

Key Findings

We analyzed Tin.vn page load time and found that the first response time was 1.5 sec and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

tin.vn performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value17.4 s

0/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

Network Requests Diagram

tin.vn

1468 ms

style.css

505 ms

headerLoad.js

753 ms

jquery-1.7.1.min.js

1315 ms

jquery.lazyload.js

790 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 76% of them (34 requests) were addressed to the original Tin.vn, 24% (11 requests) were made to Web.tin.vn. The less responsive or slowest element that took the longest time to load (3.7 sec) relates to the external source Web.tin.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 77.5 kB (5%)

Content Size

1.6 MB

After Optimization

1.6 MB

In fact, the total size of Tin.vn main page is 1.6 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 10% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 44.5 kB

  • Original 49.8 kB
  • After minification 25.1 kB
  • After compression 5.3 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 24.7 kB, which is 50% 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 44.5 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 17.0 kB

  • Original 1.6 MB
  • After minification 1.6 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. Tin images are well optimized though.

CSS Optimization

-76%

Potential reduce by 16.1 kB

  • Original 21.1 kB
  • After minification 17.3 kB
  • After compression 5.0 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. Tin.vn needs all CSS files to be minified and compressed as it can save up to 16.1 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (29%)

Requests Now

17

After Optimization

12

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tin.vn accessibility score

77

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

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

tin.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

tin.vn SEO score

85

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

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 Tin.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 Tin.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 Tin. 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: