17.9 sec in total
765 ms
16.8 sec
296 ms
Visit vienthongtiasang.com now to see the best up-to-date Vienthong Tia Sang content for Vietnam and also check out these interesting facts you probably never knew about vienthongtiasang.com
Viễn Thông Tia Sáng là nhà cung cấp giải pháp tích hợp hệ thống viễn thông, CNTT hàng đầu tại Việt Nam. Tia Sáng tự hào là nhà phân phối chính thức sản phẩm Maxhub tại Việt Nam.
Visit vienthongtiasang.comWe analyzed Vienthongtiasang.com page load time and found that the first response time was 765 ms and then it took 17.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
vienthongtiasang.com performance score
name
value
score
weighting
Value16.8 s
0/100
10%
Value28.2 s
0/100
25%
Value25.2 s
0/100
10%
Value70 ms
99/100
30%
Value1.055
2/100
15%
Value46.6 s
0/100
10%
765 ms
1110 ms
493 ms
743 ms
997 ms
Our browser made a total of 102 requests to load all elements on the main page. We found that 86% of them (88 requests) were addressed to the original Vienthongtiasang.com, 8% (8 requests) were made to Opi.yahoo.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.7 sec) belongs to the original domain Vienthongtiasang.com.
Page size can be reduced by 498.8 kB (27%)
1.9 MB
1.4 MB
In fact, the total size of Vienthongtiasang.com main page is 1.9 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. 40% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 150.8 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 150.8 kB or 88% of the original size.
Potential reduce by 174.9 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. Obviously, Vienthong Tia Sang needs image optimization as it can save up to 174.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 147.6 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 147.6 kB or 62% of the original size.
Potential reduce by 25.6 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. Vienthongtiasang.com needs all CSS files to be minified and compressed as it can save up to 25.6 kB or 80% of the original size.
Number of requests can be reduced by 37 (37%)
100
63
The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vienthong Tia Sang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
vienthongtiasang.com
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493 ms
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css
25 ms
ga.js
23 ms
online
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vienthongtiasang.com accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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>).
vienthongtiasang.com 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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
vienthongtiasang.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Tap targets are not sized appropriately
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vienthongtiasang.com 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 Vienthongtiasang.com 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.
vienthongtiasang.com
Open Graph description is not detected on the main page of Vienthong Tia Sang. 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: