6.4 sec in total
1.4 sec
4.2 sec
796 ms
Click here to check amazing Ddtn content for Vietnam. Otherwise, check out these important facts you probably never knew about ddtn.net
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Visit ddtn.netWe analyzed Ddtn.net page load time and found that the first response time was 1.4 sec and then it took 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. This domain responded with an error, which can significantly jeopardize Ddtn.net rating and web reputation
ddtn.net performance score
name
value
score
weighting
Value3.6 s
33/100
10%
Value12.2 s
0/100
25%
Value10.1 s
9/100
10%
Value300 ms
78/100
30%
Value0.093
91/100
15%
Value19.4 s
2/100
10%
1415 ms
883 ms
635 ms
33 ms
795 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 48% of them (26 requests) were addressed to the original Ddtn.net, 11% (6 requests) were made to Apis.google.com and 6% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Fshare.vn.
Page size can be reduced by 378.3 kB (62%)
609.6 kB
231.3 kB
In fact, the total size of Ddtn.net main page is 609.6 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. 50% of websites need less resources to load. Javascripts take 330.9 kB which makes up the majority of the site volume.
Potential reduce by 114.7 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. 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 114.7 kB or 82% of the original size.
Potential reduce by 21.6 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. Obviously, Ddtn needs image optimization as it can save up to 21.6 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 221.3 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 221.3 kB or 67% of the original size.
Potential reduce by 20.6 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. Ddtn.net needs all CSS files to be minified and compressed as it can save up to 20.6 kB or 77% of the original size.
Number of requests can be reduced by 22 (45%)
49
27
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ddtn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.
ddtn.net
1415 ms
css.php
883 ms
css.php
635 ms
font-awesome.min.css
33 ms
jquery-1.11.0.min.js
795 ms
xenforo.js
1072 ms
tooltip.js
591 ms
topx.js
599 ms
analytics.js
20 ms
collect
27 ms
shoptayninh.com_928X90.gif
1769 ms
panel_bg.jpg
288 ms
breadcr_bg.png
290 ms
xenforo-ui-sprite.png
287 ms
avatar_male_s.png
287 ms
avatar_female_s.png
288 ms
avatar_s.png
285 ms
logo.png
604 ms
home_icon.png
522 ms
fullscreen_exit_alt-16.png
472 ms
refresh.png
553 ms
head_node.png
552 ms
node-sprite.png
554 ms
category-23px-light.png
726 ms
form-button-white-25px.png
727 ms
header_bg.jpg
733 ms
line.png
732 ms
sdk.js
222 ms
footer_bg.jpg
917 ms
fontawesome-webfont.woff
142 ms
client:plusone.js
164 ms
widgets.js
218 ms
1069 ms
ajaxload.info_FFFFFF_facebook.gif
529 ms
cb=gapi.loaded_0
120 ms
cb=gapi.loaded_1
202 ms
fastbutton
289 ms
228 ms
273 ms
xd_arbiter.php
184 ms
xd_arbiter.php
340 ms
button.831500944bc3eb7ea5276ccdc3f71d2e.js
29 ms
tweet_button.6a78875565a912489e9aef879c881358.vi.html
122 ms
postmessageRelay
183 ms
cb=gapi.loaded_0
71 ms
cb=gapi.loaded_1
64 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
123 ms
api.js
52 ms
core:rpc:shindig.random:shindig.sha1.js
82 ms
2536007149-postmessagerelay.js
74 ms
jot
101 ms
like.php
88 ms
rU2ubZ6l1Q5.js
298 ms
LVx-xkvaJ0b.png
332 ms
ddtn.net 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
ddtn.net 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
ddtn.net 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
EN
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ddtn.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Vietnamese language. Our system also found out that Ddtn.net 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.
ddtn.net
Open Graph description is not detected on the main page of Ddtn. 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: