30.6 sec in total
4.3 sec
25.8 sec
476 ms
Welcome to chinaair.com.vn homepage info - get ready to check China Air best content for Vietnam right away, or after learning these important things about chinaair.com.vn
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Visit chinaair.com.vnWe analyzed Chinaair.com.vn page load time and found that the first response time was 4.3 sec and then it took 26.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
chinaair.com.vn performance score
name
value
score
weighting
Value10.7 s
0/100
10%
Value20.8 s
0/100
25%
Value23.1 s
0/100
10%
Value11,440 ms
0/100
30%
Value0.011
100/100
15%
Value24.7 s
0/100
10%
4279 ms
4916 ms
972 ms
661 ms
78 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 63% of them (31 requests) were addressed to the original Chinaair.com.vn, 8% (4 requests) were made to Css-dashboard.subiz.com and 6% (3 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (18.1 sec) belongs to the original domain Chinaair.com.vn.
Page size can be reduced by 637.5 kB (48%)
1.3 MB
696.9 kB
In fact, the total size of Chinaair.com.vn main page is 1.3 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. 45% of websites need less resources to load. Javascripts take 634.7 kB which makes up the majority of the site volume.
Potential reduce by 37.0 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 6.1 kB, which is 15% 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 37.0 kB or 87% of the original size.
Potential reduce by 18.3 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. China Air images are well optimized though.
Potential reduce by 442.7 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 442.7 kB or 70% of the original size.
Potential reduce by 139.6 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. Chinaair.com.vn needs all CSS files to be minified and compressed as it can save up to 139.6 kB or 87% of the original size.
Number of requests can be reduced by 19 (41%)
46
27
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of China Air. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
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chinaair.com.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.
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
chinaair.com.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
chinaair.com.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 Chinaair.com.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 Chinaair.com.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.
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chinaair.com.vn
Open Graph data is detected on the main page of China Air. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: