Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

tvintec.com.vn

Máy quét mã vạch | Máy in mã vạch | Thiết bị bán hàng | Công Ty Công Nghệ Trí Vinh

Page Load Speed

7.5 sec in total

First Response

1.1 sec

Resources Loaded

6.1 sec

Page Rendered

265 ms

tvintec.com.vn screenshot

About Website

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

Tvintec Co., Ltd. - Là nhà phân phối các thiết bị hỗ trợ bán hàng, thiết bị văn phòng của các hãng danh tiếng... Hàng chính hãng giá tốt nhất tại việt Nam

Visit tvintec.com.vn

Key Findings

We analyzed Tvintec.com.vn page load time and found that the first response time was 1.1 sec and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

tvintec.com.vn performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value730 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

Network Requests Diagram

tvintec.com.vn

1055 ms

cornner.css

1045 ms

mainMenu.css

1073 ms

menu_tab.css

1072 ms

tabcontent.css

1082 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 77% of them (85 requests) were addressed to the original Tvintec.com.vn, 6% (7 requests) were made to T1.mylivechat.com and 5% (6 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Tvintec.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 188.2 kB (9%)

Content Size

2.0 MB

After Optimization

1.8 MB

In fact, the total size of Tvintec.com.vn main page is 2.0 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 90.8 kB

  • Original 108.0 kB
  • After minification 100.2 kB
  • After compression 17.2 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 90.8 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 79.3 kB

  • Original 1.6 MB
  • After minification 1.5 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. Tvintec images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 12.5 kB

  • Original 287.6 kB
  • After minification 287.5 kB
  • After compression 275.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-31%

Potential reduce by 5.6 kB

  • Original 18.0 kB
  • After minification 18.0 kB
  • After compression 12.4 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. Tvintec.com.vn needs all CSS files to be minified and compressed as it can save up to 5.6 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (50%)

Requests Now

101

After Optimization

51

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tvintec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tvintec.com.vn accessibility score

57

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

tvintec.com.vn best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tvintec.com.vn SEO score

69

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

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tvintec.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 Tvintec.com.vn main page’s claimed encoding is iso-8859-1. 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 Tvintec. 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: