Access hdradio.vn. HDRADIO Hệ Thống Phân Phối Âm Thanh Hàng Đầu Việt Nam

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value30.0 s

0/100

25%

SI (Speed Index)

Value36.1 s

0/100

10%

TBT (Total Blocking Time)

Value36,090 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.17

70/100

15%

TTI (Time to Interactive)

Value50.5 s

0/100

10%

hdradio.vn

2694 ms

my_js.js

478 ms

elements.css

485 ms

menu.js

2978 ms

bootstrap.css

1785 ms

Our browser made a total of 137 requests to load all elements on the main page. We found that 62% of them (85 requests) were addressed to the original Hdradio.vn, 9% (13 requests) were made to Fonts.gstatic.com and 9% (13 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Hdradio.vn.

Content Size

8.5 MB

After Optimization

5.9 MB

In fact, the total size of Hdradio.vn main page is 8.5 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. 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 6.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 137.8 kB

Original 176.5 kB
After minification 137.3 kB
After compression 38.7 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 39.3 kB, which is 22% 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 137.8 kB or 78% of the original size.

Image Optimization

-13%

Potential reduce by 784.8 kB

Original 6.1 MB
After minification 5.3 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, HDRADIO needs image optimization as it can save up to 784.8 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

-76%

Potential reduce by 1.6 MB

Original 2.1 MB
After minification 1.7 MB
After compression 491.4 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 1.6 MB or 76% of the original size.

CSS Optimization

-83%

Potential reduce by 75.3 kB

Original 90.9 kB
After minification 69.3 kB
After compression 15.7 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. Hdradio.vn needs all CSS files to be minified and compressed as it can save up to 75.3 kB or 83% of the original size.

Requests Now

122

After Optimization

The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HDRADIO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

VI
Encoding

UTF-8

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

hdradio.vn

Open Graph description is not detected on the main page of HDRADIO. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

HDRADIO Hệ Thống Phân Phối Âm Thanh Hàng Đầu Việt Nam

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

hdradio.vn

my_js.js

elements.css

menu.js

bootstrap.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

hdradio.vn

my_js.js

elements.css

menu.js

bootstrap.css

style.css

jquery.countdown.css

css

jquery-1.7.1.min.js

jquery.easydropdown.js

megamenu.css

megamenu.js

responsiveslides.min.js

css

jquery.flexisel.js

home.css

jquery-ui-1.8.16.custom.css

jquery-ui-1.8.16.custom.min.js

scripts.js

logo.png

search.png

contact1.png

cart.png

phong-chieu-phim-gia-dinh-1.jpg

phong-chieu-phim-gia-dinh2.jpg

maychieu.png

androidbox.png

dauhd.png

phongchieuphim.png

amthanh.png

phukien.png

manchieu.png

chepphim.png

benq-w1070.jpg

optoma-HD26.png

combo2.jpg

optoma-hd92.png

benq-w1400.jpg

sony_vpl-hw40es.jpg

optoma-hd50.jpeg

thiet-ke-phong-chieu-phim-vincom-1.jpg

thiet-ke-phong-phim-my-dinh-1.jpg

thiet-ke-phong-phim-gia-dinh-tai-hai-duong-1.jpg