Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

halo.vn

HALO Shop | Phân phối các sản phẩm công nghệ, game uy tín tại Sài Gòn

Page Load Speed

18 sec in total

First Response

740 ms

Resources Loaded

16.5 sec

Page Rendered

737 ms

About Website

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

HALO Shop | Nơi cung cấp đầy đủ các sản phẩm công nghệ iPhone, iPad, Macbook, Surface, máy chơi game uy tín chất lượng tại Sài Gòn.

Visit halo.vn

Key Findings

We analyzed Halo.vn page load time and found that the first response time was 740 ms and then it took 17.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

halo.vn performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value14.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value31.1 s

0/100

25%

SI (Speed Index)

Value56.7 s

0/100

10%

TBT (Total Blocking Time)

Value5,240 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.295

40/100

15%

TTI (Time to Interactive)

Value52.7 s

0/100

10%

Network Requests Diagram

halo.vn

740 ms

halo.vn

7498 ms

5ddfbab721ccfb675b8cda2405336667.css

2645 ms

js

58 ms

19545558b010fc72f5d20473bada29c4.js

1674 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Halo.vn, 61% (51 requests) were made to Haloshop.vn and 8% (7 requests) were made to Page.widget.zalo.me. The less responsive or slowest element that took the longest time to load (7.5 sec) belongs to the original domain Halo.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.6 MB (26%)

Content Size

9.9 MB

After Optimization

7.3 MB

In fact, the total size of Halo.vn main page is 9.9 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.9 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 1.5 MB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 122.9 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 1.5 MB or 92% of the original size.

Image Optimization

-4%

Potential reduce by 292.8 kB

  • Original 6.9 MB
  • After minification 6.6 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. HALO images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 437.1 kB

  • Original 917.7 kB
  • After minification 910.0 kB
  • After compression 480.6 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 437.1 kB or 48% of the original size.

CSS Optimization

-86%

Potential reduce by 374.3 kB

  • Original 435.0 kB
  • After minification 65.4 kB
  • After compression 60.7 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. Halo.vn needs all CSS files to be minified and compressed as it can save up to 374.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (36%)

Requests Now

75

After Optimization

48

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HALO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

halo.vn accessibility score

79

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

halo.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

halo.vn SEO score

82

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

High

Tap targets are not sized appropriately

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 Halo.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 Halo.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 HALO. 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: