11.1 sec in total
4 sec
6 sec
1.1 sec
Visit dav.gov.vn now to see the best up-to-date Dav content for Vietnam and also check out these interesting facts you probably never knew about dav.gov.vn
Visit dav.gov.vnWe analyzed Dav.gov.vn page load time and found that the first response time was 4 sec and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
dav.gov.vn performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value7.4 s
4/100
25%
Value7.9 s
23/100
10%
Value180 ms
92/100
30%
Value0.334
34/100
15%
Value5.6 s
70/100
10%
4030 ms
542 ms
543 ms
812 ms
1098 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 Dav.gov.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Dav.gov.vn.
Page size can be reduced by 248.7 kB (40%)
615.4 kB
366.7 kB
In fact, the total size of Dav.gov.vn main page is 615.4 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. Only 10% of websites need less resources to load. Images take 345.9 kB which makes up the majority of the site volume.
Potential reduce by 219.7 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. This page needs HTML code to be minified as it can gain 83.0 kB, which is 33% 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 219.7 kB or 88% of the original size.
Potential reduce by 14.9 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. Dav images are well optimized though.
Potential reduce by 2.8 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 2.8 kB or 68% of the original size.
Potential reduce by 11.3 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. Dav.gov.vn needs all CSS files to be minified and compressed as it can save up to 11.3 kB or 79% of the original size.
Number of requests can be reduced by 10 (31%)
32
22
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dav. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
dav.gov.vn
4030 ms
js_liveclock.js
542 ms
LeftMenu.js
543 ms
ajaxtabs.css
812 ms
main.css
1098 ms
menuleft.css
548 ms
1062015Banner%20Cuc%20duoc.png
1892 ms
bgkcross2.gif
276 ms
icon_out.gif
274 ms
btn1x20.gif
274 ms
logo2.bmp
1095 ms
WHO.png
546 ms
logo_noip.gif
278 ms
logo.gif
289 ms
digipat.jpg
859 ms
anh-trang.png
562 ms
but.gif
817 ms
red_point.gif
837 ms
rss00000.jpg
1064 ms
14072015_images.jpg
812 ms
22082014_1.png
2180 ms
banner_Boyte.jpg
526 ms
logo.png
734 ms
gia.png
756 ms
dangky.png
762 ms
Logo%20O2TV%20-06-2009.png
798 ms
BANNER%20TAP%20CHI%20DUOC%20&%20MP.jpg
1004 ms
SKDS.png
839 ms
BOXCT1.png
848 ms
2.gif
882 ms
1.gif
1089 ms
9.gif
1099 ms
6.gif
1108 ms
dav.gov.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
dav.gov.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
Browser errors were logged to the console
dav.gov.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
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 Dav.gov.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 Dav.gov.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.
dav.gov.vn
Open Graph description is not detected on the main page of Dav. 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: