4 sec in total
1 sec
2.8 sec
132 ms
Welcome to dtt.vn homepage info - get ready to check DTT best content for Vietnam right away, or after learning these important things about dtt.vn
Visit dtt.vnWe analyzed Dtt.vn page load time and found that the first response time was 1 sec and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
dtt.vn performance score
name
value
score
weighting
Value6.5 s
2/100
10%
Value12.8 s
0/100
25%
Value13.6 s
2/100
10%
Value110 ms
97/100
30%
Value0.282
43/100
15%
Value10.6 s
23/100
10%
1029 ms
104 ms
100 ms
314 ms
173 ms
Our browser made a total of 24 requests to load all elements on the main page. We found that 92% of them (22 requests) were addressed to the original Dtt.vn, 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Dtt.vn.
Page size can be reduced by 194.3 kB (10%)
2.0 MB
1.8 MB
In fact, the total size of Dtt.vn main page is 2.0 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. Only 10% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 13.5 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 13.5 kB or 74% of the original size.
Potential reduce by 55.6 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. DTT images are well optimized though.
Potential reduce by 111.2 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 111.2 kB or 66% of the original size.
Potential reduce by 14.0 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. Dtt.vn needs all CSS files to be minified and compressed as it can save up to 14.0 kB or 82% of the original size.
Number of requests can be reduced by 3 (13%)
23
20
The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DTT. 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 as a result speed up the page load time.
dtt.vn
1029 ms
style.css
104 ms
style3.css
100 ms
jquery.js
314 ms
jquery.easing.js
173 ms
script.js
255 ms
slogan.gif
174 ms
timkiem1.jpg
71 ms
timkiem2.jpg
106 ms
nenmn.jpg
176 ms
tienganh.jpg
278 ms
khaitruong-y-te.jpg
351 ms
DTT-tham-d%E1%BB%B1-Di%E1%BB%85n-%C4%91%C3%A0n-ch%C3%ADnh-s%C3%A1ch-n%C3%B4ng-nghi%E1%BB%87p-th%C6%B0%E1%BB%9Dng-ni%C3%AAn-2015.png
806 ms
%E2%80%9CReview%E2%80%9D-c%C3%A1c-m%C3%B4-h%C3%ACnh-ch%C3%ADnh-quy%E1%BB%81n-%C4%91i%E1%BB%87n-t%E1%BB%AD-c%E1%BA%A5p-qu%E1%BA%ADn-t%E1%BA%A1i-H%E1%BA%A3i-Ph%C3%B2ng.png
1017 ms
Khuyen-nghi-chien-luoc-ve-IoT.png
1403 ms
Internet-of-Thing-tao-da-phat-trien.png
1494 ms
load-indicator.gif
1048 ms
nenkhung.jpg
1084 ms
button.jpg
1118 ms
nutdo.jpg
1153 ms
arrows_7.gif
1195 ms
duoi.jpg
1333 ms
analytics.js
14 ms
collect
11 ms
dtt.vn accessibility score
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
dtt.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
Page has valid source maps
dtt.vn SEO score
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 Dtt.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 Dtt.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.
dtt.vn
Open Graph description is not detected on the main page of DTT. 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: