Tools & Wizards About Us

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

vietcotra.vn

Việt Cổ Trà | Trà Tân Cương Thái Nguyên | Trà Shan Tuyết cổ thụ | Hộp trà biếu

Page Load Speed

27.9 sec in total

First Response

819 ms

Resources Loaded

25.8 sec

Page Rendered

1.3 sec

About Website

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

Hội tụ tinh hoa trà thuần mộc, thuần Việt với các loại trà ngon của vùng trà (chè) Thái Nguyên, trà (chè) Shan tuyết cổ thụ Suối Giàng..Trà biếu tặng cao cấp..

Visit vietcotra.vn

Key Findings

We analyzed Vietcotra.vn page load time and found that the first response time was 819 ms and then it took 27.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

vietcotra.vn performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value28.9 s

0/100

25%

SI (Speed Index)

Value22.3 s

0/100

10%

TBT (Total Blocking Time)

Value2,210 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.487

17/100

15%

TTI (Time to Interactive)

Value28.3 s

0/100

10%

Network Requests Diagram

vietcotra.vn

819 ms

vietcotra.vn

4985 ms

bootstrap.css

1141 ms

style.css

825 ms

banner.jpg

2900 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 55% of them (68 requests) were addressed to the original Vietcotra.vn, 7% (9 requests) were made to Static.xx.fbcdn.net and 7% (8 requests) were made to Embed.tawk.to. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Vietcotra.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 167.1 kB (22%)

Content Size

747.1 kB

After Optimization

580.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vietcotra.vn main page is 747.1 kB. 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 a small number of websites need less resources to load. Javascripts take 552.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 100.1 kB

  • Original 115.7 kB
  • After minification 96.0 kB
  • After compression 15.7 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 19.8 kB, 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 100.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 18.9 kB
  • After minification 18.9 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. Vietcotra images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 67.0 kB

  • Original 552.9 kB
  • After minification 552.8 kB
  • After compression 485.9 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 67.0 kB or 12% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 59.5 kB
  • After minification 59.5 kB
  • After compression 59.5 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. Vietcotra.vn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 47 (42%)

Requests Now

113

After Optimization

66

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vietcotra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vietcotra.vn accessibility score

78

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

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

High

Links do not have a discernible name

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

vietcotra.vn best practices score

67

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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

vietcotra.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

High

robots.txt is not valid

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 Vietcotra.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 Vietcotra.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 Vietcotra. 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: