Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

vietlinh.com.vn

Thủy sản và nông nghiệp Việt Linh

Page Load Speed

15.7 sec in total

First Response

2.8 sec

Resources Loaded

12.4 sec

Page Rendered

537 ms

vietlinh.com.vn screenshot

About Website

Welcome to vietlinh.com.vn homepage info - get ready to check Viet Linh best content right away, or after learning these important things about vietlinh.com.vn

Kỹ thuật nuôi tôm, nuôi cá, chăn nuôi, trồng trọt và thông tin doanh nghiệp, sản phẩm, việc làm

Visit vietlinh.com.vn

Key Findings

We analyzed Vietlinh.com.vn page load time and found that the first response time was 2.8 sec and then it took 12.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

vietlinh.com.vn performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value12.4 s

3/100

10%

TBT (Total Blocking Time)

Value2,980 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.039

99/100

15%

TTI (Time to Interactive)

Value32.7 s

0/100

10%

Network Requests Diagram

vietlinh.com.vn

2802 ms

www.vietlinh.vn

3920 ms

gen.css

2205 ms

in.css

992 ms

jquery-1.7.1.min.js

1975 ms

Our browser made a total of 211 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Vietlinh.com.vn, 35% (74 requests) were made to Vietlinh.vn and 10% (21 requests) were made to Um.simpli.fi. The less responsive or slowest element that took the longest time to load (4.4 sec) relates to the external source Khuyennongvn.gov.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 747.4 kB (30%)

Content Size

2.5 MB

After Optimization

1.8 MB

In fact, the total size of Vietlinh.com.vn main page is 2.5 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. 70% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 66.4 kB

  • Original 88.8 kB
  • After minification 86.2 kB
  • After compression 22.5 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 66.4 kB or 75% of the original size.

Image Optimization

-13%

Potential reduce by 209.2 kB

  • Original 1.6 MB
  • After minification 1.4 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. Obviously, Viet Linh needs image optimization as it can save up to 209.2 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-48%

Potential reduce by 271.6 kB

  • Original 566.7 kB
  • After minification 566.5 kB
  • After compression 295.2 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 271.6 kB or 48% of the original size.

CSS Optimization

-82%

Potential reduce by 200.3 kB

  • Original 245.3 kB
  • After minification 238.4 kB
  • After compression 45.1 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. Vietlinh.com.vn needs all CSS files to be minified and compressed as it can save up to 200.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 96 (53%)

Requests Now

180

After Optimization

84

The browser has sent 180 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viet Linh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vietlinh.com.vn accessibility score

69

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

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.

Best Practices

vietlinh.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

vietlinh.com.vn SEO score

77

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    VI

  • Encoding

    EN-US

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vietlinh.com.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Vietlinh.com.vn main page’s claimed encoding is en-us. 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 Viet Linh. 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: