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light.com.vn screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

light.com.vn

Web Light - Chuyên Cho Chạy Quảng Cáo - Làm SEO Chuyên Nghiệp - Công ty TNHH Light(Từ 2016)

Page Load Speed

13.7 sec in total

First Response

770 ms

Resources Loaded

9.7 sec

Page Rendered

3.3 sec

light.com.vn screenshot

About Website

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

Light là công ty chuyên công nghệ mới chuyên nghiệp uy tín nhất trên thị trường. Nhanh - Chuẩn - Đẹp chính là tiêu chí đi đầu trong mọi dịch vụ tại Light.

Visit light.com.vn

Key Findings

We analyzed Light.com.vn page load time and found that the first response time was 770 ms and then it took 13 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

light.com.vn performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value1,400 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value17.9 s

4/100

10%

Network Requests Diagram

light.com.vn

770 ms

light.com.vn

1988 ms

all.min.css

539 ms

jquery.min.js

812 ms

jquery-ui.min.js

1480 ms

Our browser made a total of 158 requests to load all elements on the main page. We found that 78% of them (123 requests) were addressed to the original Light.com.vn, 4% (6 requests) were made to Youtube.com and 3% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Light.com.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 452.9 kB (6%)

Content Size

7.7 MB

After Optimization

7.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Light.com.vn main page is 7.7 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 a small number of websites need less resources to load. Images take 6.9 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 213.2 kB

  • Original 240.4 kB
  • After minification 212.7 kB
  • After compression 27.2 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. This page needs HTML code to be minified as it can gain 27.7 kB, which is 12% 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 213.2 kB or 89% of the original size.

Image Optimization

-2%

Potential reduce by 164.2 kB

  • Original 6.9 MB
  • After minification 6.7 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. Light images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 60.3 kB

  • Original 457.0 kB
  • After minification 456.8 kB
  • After compression 396.7 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 60.3 kB or 13% of the original size.

CSS Optimization

-12%

Potential reduce by 15.2 kB

  • Original 129.8 kB
  • After minification 129.8 kB
  • After compression 114.7 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. Light.com.vn needs all CSS files to be minified and compressed as it can save up to 15.2 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (25%)

Requests Now

148

After Optimization

111

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Light. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

light.com.vn

light.com.vn

770 ms

light.com.vn

light.com.vn

1988 ms

all.min.css

all.min.css

539 ms

jquery.min.js

jquery.min.js

812 ms

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jquery-ui.min.js

1480 ms

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jquery-ui.min.css

922 ms

swiper-bundle.min.css

swiper-bundle.min.css

980 ms

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992 ms

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1007 ms

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id

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Create

Create

139 ms

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1731 ms

t_.htm

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11 ms

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GenerateIT

GenerateIT

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Accessibility Review

light.com.vn accessibility score

73

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

light.com.vn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

light.com.vn SEO score

77

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Light.com.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Light.com.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

light.com.vn

Open Graph data is detected on the main page of Light. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: