55.1 sec in total
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50 sec
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Welcome to duhanhviet.vn homepage info - get ready to check Duhanhviet best content right away, or after learning these important things about duhanhviet.vn
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Visit duhanhviet.vnWe analyzed Duhanhviet.vn page load time and found that the first response time was 3.7 sec and then it took 51.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 23 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
duhanhviet.vn performance score
name
value
score
weighting
Value4.3 s
17/100
10%
Value5.1 s
24/100
25%
Value9.4 s
12/100
10%
Value1,210 ms
20/100
30%
Value0.778
5/100
15%
Value22.6 s
1/100
10%
3724 ms
655 ms
5520 ms
1683 ms
964 ms
Our browser made a total of 148 requests to load all elements on the main page. We found that 82% of them (121 requests) were addressed to the original Duhanhviet.vn, 4% (6 requests) were made to S9.mylivechat.com and 3% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Duhanhviet.vn.
Page size can be reduced by 975.8 kB (12%)
8.1 MB
7.1 MB
In fact, the total size of Duhanhviet.vn main page is 8.1 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. 35% of websites need less resources to load. Images take 7.5 MB which makes up the majority of the site volume.
Potential reduce by 80.7 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 80.7 kB or 81% of the original size.
Potential reduce by 557.4 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. Duhanhviet images are well optimized though.
Potential reduce by 206.0 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 206.0 kB or 61% of the original size.
Potential reduce by 131.8 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. Duhanhviet.vn needs all CSS files to be minified and compressed as it can save up to 131.8 kB or 83% of the original size.
Number of requests can be reduced by 78 (67%)
117
39
The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duhanhviet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 33 to 1 for CSS and as a result speed up the page load time.
duhanhviet.vn
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duhanhviet.vn accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
duhanhviet.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
duhanhviet.vn SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Duhanhviet.vn 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 Duhanhviet.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.
duhanhviet.vn
Open Graph description is not detected on the main page of Duhanhviet. 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: