14.2 sec in total
3.1 sec
10.9 sec
216 ms
Click here to check amazing Vietnam Airlines content for Vietnam. Otherwise, check out these important facts you probably never knew about vietnamairlines.com
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Visit vietnamairlines.comWe analyzed Vietnamairlines.com page load time and found that the first response time was 3.1 sec and then it took 11.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
vietnamairlines.com performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value12.6 s
0/100
25%
Value28.9 s
0/100
10%
Value81,220 ms
0/100
30%
Value0.11
87/100
15%
Value103.1 s
0/100
10%
3057 ms
5229 ms
540 ms
539 ms
550 ms
Our browser made a total of 71 requests to load all elements on the main page. We found that 79% of them (56 requests) were addressed to the original Vietnamairlines.com, 4% (3 requests) were made to S.ytimg.com and 3% (2 requests) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (5.2 sec) belongs to the original domain Vietnamairlines.com.
Page size can be reduced by 2.0 MB (45%)
4.5 MB
2.5 MB
In fact, the total size of Vietnamairlines.com main page is 4.5 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 662.9 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 168.3 kB, which is 23% 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 662.9 kB or 89% of the original size.
Potential reduce by 286.3 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. Obviously, Vietnam Airlines needs image optimization as it can save up to 286.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 589.4 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 589.4 kB or 70% of the original size.
Potential reduce by 485.1 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. Vietnamairlines.com needs all CSS files to be minified and compressed as it can save up to 485.1 kB or 84% of the original size.
Number of requests can be reduced by 38 (58%)
65
27
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vietnam Airlines. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
vietnamairlines.com
3057 ms
5229 ms
style.min.css
540 ms
Custom.min.css
539 ms
style_default.min.css
550 ms
style_default_2.min.css
542 ms
style-datepicker.min.css
548 ms
jquery.alerts.css
804 ms
jquery-1.9.1.min.js
1074 ms
jquery-migrate-1.2.1.min.js
808 ms
jquery-ui.min.js
1356 ms
jquery.slides.min.js
816 ms
jquery.cookie.min.js
1083 ms
jquery.alerts.js
1089 ms
jquery.magnific-popup.min.js
1091 ms
bootstrap.css
1389 ms
metisMenu.min.css
1337 ms
social-buttons.css
1395 ms
style_mobile.css
1395 ms
custom.css
1609 ms
font-awesome.min.css
1624 ms
bootstrap.min.js
1628 ms
jquery.wipetouch.js
1633 ms
menu.js
1634 ms
sb-admin-2.js
1876 ms
metisMenu.min.js
1894 ms
WebResource.axd
1125 ms
MicrosoftAjax.js
1388 ms
MicrosoftAjaxWebForms.js
1135 ms
font-awesome.min.css
7 ms
fbds.js
15 ms
back-ground.ashx
618 ms
logo_VNA_white-NEW.ashx
812 ms
logo-lotusmile-white.ashx
287 ms
logo-vna-tagline-transparent-EN.ashx
616 ms
logo-skyteam.ashx
616 ms
exclamation.png
615 ms
114 ms
NewCI-Anh.ashx
565 ms
Online-check-in-Eng.ashx
1749 ms
450x351_HLTT_EN_noLogo_HuyenVTT.ashx
1768 ms
button-sprite2.png
623 ms
modal-bg.gif
623 ms
arrow.gif
739 ms
fontawesome-webfont.woff
1282 ms
fontawesome-webfont.woff
16 ms
kfU899qMoms
172 ms
note-fare.png
661 ms
nen-glp-login-16may.jpg
670 ms
facebook.ashx
837 ms
youtube.ashx
937 ms
press-room.ashx
947 ms
faq-nen.jpg
1129 ms
faq_arrow.png
1792 ms
enewsletter.ashx
1802 ms
bg_footer_neo.png
1791 ms
line-ft-neo.png
1793 ms
Banner_535x370_en.ashx
2343 ms
close.png
1792 ms
ajax-loader_128.gif
2591 ms
ga.js
106 ms
bullets.png
1964 ms
__utm.gif
16 ms
www-embed-player-vflZsBgOl.css
70 ms
www-embed-player.js
91 ms
base.js
161 ms
1eJU4PjErWSV5LNTKFXcze5UHikZLg3viIH581vcHWA.js
37 ms
ad_status.js
48 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
73 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
81 ms
23 ms
vietnamairlines.com 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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
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.
[aria-*] attributes do not have valid values
ARIA IDs are not unique
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
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
vietnamairlines.com 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
vietnamairlines.com 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
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vietnamairlines.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Vietnamairlines.com 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.
vietnamairlines.com
Open Graph description is not detected on the main page of Vietnam Airlines. 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: