15.2 sec in total
2.4 sec
12.7 sec
116 ms
Click here to check amazing VIVAS content for Vietnam. Otherwise, check out these important facts you probably never knew about vivas.vn
Công ty TNHH VIVAS
Visit vivas.vnWe analyzed Vivas.vn page load time and found that the first response time was 2.4 sec and then it took 12.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
vivas.vn performance score
name
value
score
weighting
Value12.7 s
0/100
10%
Value25.5 s
0/100
25%
Value24.1 s
0/100
10%
Value1,680 ms
11/100
30%
Value0.267
46/100
15%
Value15.9 s
6/100
10%
2432 ms
494 ms
500 ms
496 ms
499 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that all of those requests were addressed to Vivas.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (7.2 sec) belongs to the original domain Vivas.vn.
Page size can be reduced by 181.8 kB (33%)
551.0 kB
369.2 kB
In fact, the total size of Vivas.vn main page is 551.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 359.3 kB which makes up the majority of the site volume.
Potential reduce by 14.3 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 14.3 kB or 77% of the original size.
Potential reduce by 18.1 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. VIVAS images are well optimized though.
Potential reduce by 149.4 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. Vivas.vn needs all CSS files to be minified and compressed as it can save up to 149.4 kB or 86% of the original size.
Number of requests can be reduced by 30 (58%)
52
22
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VIVAS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for CSS and as a result speed up the page load time.
vivas.vn
2432 ms
system.css
494 ms
general.css
500 ms
modal.css
496 ms
ja.tabs.css
499 ms
style.css
499 ms
addons.css
502 ms
layout.css
740 ms
template.css
989 ms
usertools.css
745 ms
css3.css
745 ms
mega.css
746 ms
typo.css
1001 ms
layout.css
991 ms
template.css
1239 ms
css3.css
993 ms
mega.css
996 ms
k2.css
3263 ms
mod_jaslideshow2.css
1236 ms
color.css
2071 ms
mega.css
1242 ms
k2.css
2339 ms
mod_jaslideshow2.css
1485 ms
index.php
3151 ms
logo.png
251 ms
noise-bg.png
1737 ms
mainnav-sep.gif
252 ms
home_16x16.png
249 ms
users.png
251 ms
book_16x16.png
253 ms
mobile_25x25.png
497 ms
arrow3.png
498 ms
divider-2.gif
497 ms
article_16x16.png
499 ms
plus_alt_16x16.png
503 ms
chat_16x16.png
747 ms
sl-2.jpg
3179 ms
sl-5.jpg
5409 ms
sl-3.jpg
7154 ms
sl-1.jpg
4053 ms
sl-4.jpg
5741 ms
handshake.jpg
4427 ms
trans-black.png
3411 ms
sl-mask-top.png
3658 ms
sl-mask-bot.png
3907 ms
sl-mask-l.png
4155 ms
sl-mask-r.png
4289 ms
btncontrol.png
4403 ms
grad-l1.gif
4538 ms
botsl-bg.gif
4647 ms
divider.gif
4654 ms
bullet.png
4786 ms
divider-3.gif
4889 ms
vivas.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
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
Links do not have a discernible name
vivas.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
vivas.vn SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 Vivas.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 Vivas.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.
vivas.vn
Open Graph description is not detected on the main page of VIVAS. 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: