27.2 sec in total
758 ms
18.3 sec
8.1 sec
Visit viethungaudio.vn now to see the best up-to-date Viethung AUDIO content for Vietnam and also check out these interesting facts you probably never knew about viethungaudio.vn
Việt Hưng Audio - Phân phối thiết bị âm thanh chuyên nghiệp giá gốc. Lắp đặt âm thanh ánh sáng hội trường, sân khấu, dàn âm thanh karaoke, âm thanh hội thảo, loa, micro, amply mixer, thiết bị âm thanh...
Visit viethungaudio.vnWe analyzed Viethungaudio.vn page load time and found that the first response time was 758 ms and then it took 26.4 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.
viethungaudio.vn performance score
name
value
score
weighting
Value5.4 s
6/100
10%
Value16.4 s
0/100
25%
Value19.0 s
0/100
10%
Value20,990 ms
0/100
30%
Value1.069
2/100
15%
Value30.8 s
0/100
10%
758 ms
1580 ms
120 ms
438 ms
636 ms
Our browser made a total of 279 requests to load all elements on the main page. We found that 98% of them (274 requests) were addressed to the original Viethungaudio.vn, 1% (2 requests) were made to Google-analytics.com and 0% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (4.7 sec) belongs to the original domain Viethungaudio.vn.
Page size can be reduced by 525.9 kB (5%)
9.7 MB
9.1 MB
In fact, the total size of Viethungaudio.vn main page is 9.7 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. 85% 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 9.1 MB which makes up the majority of the site volume.
Potential reduce by 431.7 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. 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 431.7 kB or 88% of the original size.
Potential reduce by 94.0 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. Viethung AUDIO images are well optimized though.
Potential reduce by 90 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 109 B
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. Viethungaudio.vn has all CSS files already compressed.
Number of requests can be reduced by 27 (10%)
274
247
The browser has sent 274 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viethung AUDIO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
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viethungaudio.vn accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
viethungaudio.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
viethungaudio.vn SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Viethungaudio.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 Viethungaudio.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.
viethungaudio.vn
Open Graph data is detected on the main page of Viethung AUDIO. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: