13 sec in total
597 ms
12.1 sec
309 ms
Click here to check amazing ZDA content for Vietnam. Otherwise, check out these important facts you probably never knew about zda.vn
ZDA.VN- Thông tin về du lịch, làm đẹp, giải trí, reviews sản phẩm tốt được chúng tôi cập nhật liên tục hằng ngay.
Visit zda.vnWe analyzed Zda.vn page load time and found that the first response time was 597 ms and then it took 12.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
zda.vn performance score
name
value
score
weighting
Value8.7 s
0/100
10%
Value11.3 s
0/100
25%
Value11.7 s
4/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value8.7 s
36/100
10%
597 ms
897 ms
495 ms
504 ms
761 ms
Our browser made a total of 98 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Zda.vn, 80% (78 requests) were made to Zidean.com and 6% (6 requests) were made to Scontent-iad3-1.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (4.8 sec) relates to the external source Zidean.com.
Page size can be reduced by 432.1 kB (15%)
2.9 MB
2.4 MB
In fact, the total size of Zda.vn main page is 2.9 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. 55% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 78.1 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 14.9 kB, which is 16% 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 78.1 kB or 85% of the original size.
Potential reduce by 75.9 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. ZDA images are well optimized though.
Potential reduce by 191.4 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 191.4 kB or 67% of the original size.
Potential reduce by 86.7 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. Zda.vn needs all CSS files to be minified and compressed as it can save up to 86.7 kB or 82% of the original size.
Number of requests can be reduced by 33 (34%)
96
63
The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZDA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
zda.vn
597 ms
www.zidean.com
897 ms
stylev5.css
495 ms
components.css
504 ms
jquery.min.js
761 ms
common.js
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jquery.lazyload1.2.js
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jquery.fancybox.css
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jquery.fancybox.js
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globalv5.js
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zda.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
zda.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
zda.vn SEO score
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
VI
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zda.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 Zda.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.
zda.vn
Open Graph description is not detected on the main page of ZDA. 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: