6.4 sec in total
1.9 sec
4.4 sec
146 ms
Click here to check amazing DNS Cnv content for Vietnam. Otherwise, check out these important facts you probably never knew about dns.cnv.vn
Visit dns.cnv.vnWe analyzed Dns.cnv.vn page load time and found that the first response time was 1.9 sec and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
dns.cnv.vn performance score
1867 ms
504 ms
507 ms
760 ms
527 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that all of those requests were addressed to Dns.cnv.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Dns.cnv.vn.
Page size can be reduced by 113.5 kB (57%)
200.5 kB
87.0 kB
In fact, the total size of Dns.cnv.vn main page is 200.5 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. Javascripts take 124.5 kB which makes up the majority of the site volume.
Potential reduce by 10.6 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 1.8 kB, which is 13% 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 10.6 kB or 76% of the original size.
Potential reduce by 9.1 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. Obviously, DNS Cnv needs image optimization as it can save up to 9.1 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 85.5 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 85.5 kB or 69% of the original size.
Potential reduce by 8.3 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. Dns.cnv.vn needs all CSS files to be minified and compressed as it can save up to 8.3 kB or 74% of the original size.
Number of requests can be reduced by 6 (19%)
31
25
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DNS Cnv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
dns.cnv.vn
1867 ms
style.css
504 ms
style_update.css
507 ms
jquery-1.6.2.min.js
760 ms
global.js
527 ms
easing.js
528 ms
formcheck.css
543 ms
fcbkcomplete.css
753 ms
jquery.fcbkcomplete.js
1010 ms
back_mainpage.gif
528 ms
back_top.gif
284 ms
logo_dns_site.png
558 ms
left_box_topmenu.png
318 ms
back_box_topmenu.gif
281 ms
line_center_topmenu.gif
283 ms
right_box_topmenu.png
541 ms
back_box_top_info.jpg
530 ms
resizer.php
889 ms
bg_but_red.gif
534 ms
show_code.php
646 ms
but_register.png
1064 ms
top_box_maincontent.png
1011 ms
back_box_maincontent.png
803 ms
top_box_left.png
941 ms
back_box_left.gif
934 ms
thongbao_title.png
1327 ms
huongdansudung_title.png
1390 ms
bottom_box_left.png
1197 ms
bg_box_footer.png
1211 ms
bottom_box_maincontent.png
1261 ms
footer.png
1313 ms
them_but_hover.png
1459 ms
tao_but_hover.png
1481 ms
dns.cnv.vn SEO score
VI
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dns.cnv.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 Dns.cnv.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.
dns.cnv.vn
Open Graph description is not detected on the main page of DNS Cnv. 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: