9.8 sec in total
1.1 sec
8.4 sec
358 ms
Click here to check amazing Viscom content for Vietnam. Otherwise, check out these important facts you probably never knew about viscom.vn
Công Ty Cổ Phần Viscom là nhà phân phối các thiết bị link kiện điện tử chính thức từ các hãng: D-link, Orico, Asus, Liteon, Benq, A4tech
Visit viscom.vnWe analyzed Viscom.vn page load time and found that the first response time was 1.1 sec and then it took 8.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
viscom.vn performance score
name
value
score
weighting
Value8.3 s
0/100
10%
Value8.3 s
2/100
25%
Value37.7 s
0/100
10%
Value5,020 ms
0/100
30%
Value0.171
70/100
15%
Value27.7 s
0/100
10%
1106 ms
1746 ms
639 ms
1769 ms
2158 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that 93% of them (52 requests) were addressed to the original Viscom.vn, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Live.vnpgroup.net. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Viscom.vn.
Page size can be reduced by 2.7 MB (54%)
5.0 MB
2.3 MB
In fact, the total size of Viscom.vn main page is 5.0 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. 30% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.
Potential reduce by 64.0 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 64.0 kB or 66% of the original size.
Potential reduce by 940.4 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, Viscom needs image optimization as it can save up to 940.4 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.6 MB
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 77% of the original size.
Potential reduce by 145.2 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. Viscom.vn needs all CSS files to be minified and compressed as it can save up to 145.2 kB or 88% of the original size.
Number of requests can be reduced by 35 (65%)
54
19
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viscom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
viscom.vn
1106 ms
Home
1746 ms
jquery-ui-1.8.22.custom.css
639 ms
jquery-1.7.2.min.js
1769 ms
jquery-ui-1.8.22.custom.min.js
2158 ms
Common.js
533 ms
jqx.base.css
1443 ms
jqx.classic.css
519 ms
jqx-all.js
3147 ms
NMValidator.js
807 ms
TableCSSCode.css
928 ms
jqxscrollview.js
1125 ms
simplePagination.css
1187 ms
jquery.simplePagination.js
1381 ms
dg-picture-zoom.css
1462 ms
mootools-1.2.4-core-yc.js
1908 ms
mootools-more.js
1725 ms
dg-picture-zoom.js
1720 ms
dg-picture-zoom-autoload.js
1976 ms
galleriffic-4.css
1978 ms
jquery.galleriffic.js
2041 ms
jquery.opacityrollover.js
2170 ms
jquery.nailthumb.1.1.js
2276 ms
jquery.nailthumb.1.1.css
2265 ms
jquery.mousewheel-3.0.6.pack.js
2300 ms
jquery.fancybox.js
2442 ms
jquery.fancybox.css
2424 ms
fluid.thumbs.css
2536 ms
fluid.thumbs.js
2538 ms
jquery.easing.min.js
2555 ms
webtoolkit.base64.js
2680 ms
Site.css
2700 ms
jquery.realperson.css
2792 ms
jquery.realperson.js
2806 ms
style.css
2809 ms
organictabs.jquery.js
2936 ms
background.png
1501 ms
banner.png
314 ms
Vietnam-flat-icon.png
264 ms
Thiep-chuc-mung-nam-moi-2016-KH.jpg
2112 ms
DIR-619L_B1_Image%20L(Front).jpg
1547 ms
DCS825LA1ImageLSideRight.png
1043 ms
DIR868L1664x936FRONT.png
769 ms
DIR820Lfront.png
1080 ms
led_img_gw2760hs2.png
1273 ms
iHAS124.jpg
1305 ms
iHDS118.png
1363 ms
DWA-525_A2_Image_L(Side).jpg
2054 ms
logoviscomTBDB.jpg3.jpg
1580 ms
Sticker_A4tech.png2.png
2406 ms
Banner-tang-Balo---viscom.png6.png
2254 ms
BanChay.png
1787 ms
analytics.js
31 ms
web_client_box.php
1926 ms
collect
13 ms
event.min.js
543 ms
viscom.vn 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
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.
viscom.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
viscom.vn 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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Viscom.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Viscom.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.
viscom.vn
Open Graph description is not detected on the main page of Viscom. 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: