Access vietair.com.vn. Đặt Vé Máy Bay giá Rẻ 2024 Nhanh Chóng, Thuận Tiện, Hỗ Trợ 24/7

name

value

score

weighting

FCP (First Contentful Paint)

Value13.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value28.2 s

0/100

10%

TBT (Total Blocking Time)

Value2,270 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value20.0 s

2/100

10%

vietair.com.vn

533 ms

vietair.com.vn

5840 ms

vendor.layout.home.min.FB1F84CBE766B056946D8BD89B39C1F5.css

9284 ms

vendor.layout.home.01.min.C93A2C50D05FC4BB26B84699EC3349A9.css

803 ms

FormCtmAdvicePopup.min.50AFA783C2A19467BA9066FB5367CCBA.css

795 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 77% of them (55 requests) were addressed to the original Vietair.com.vn, 10% (7 requests) were made to Page.widget.zalo.me and 4% (3 requests) were made to Onetour.vn. The less responsive or slowest element that took the longest time to load (20.2 sec) belongs to the original domain Vietair.com.vn.

Content Size

564.1 kB

After Optimization

362.1 kB

In fact, the total size of Vietair.com.vn main page is 564.1 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. 45% of websites need less resources to load. HTML takes 182.3 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 158.4 kB

Original 182.3 kB
After minification 133.8 kB
After compression 24.0 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 48.5 kB, which is 27% 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 158.4 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 3.9 kB

Original 116.8 kB
After minification 112.9 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. Vietair images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 35.0 kB

Original 155.4 kB
After minification 155.0 kB
After compression 120.4 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 35.0 kB or 23% of the original size.

CSS Optimization

-4%

Potential reduce by 4.8 kB

Original 109.7 kB
After minification 109.7 kB
After compression 104.8 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. Vietair.com.vn has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vietair. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

VI
Language Claimed

VI
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vietair.com.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Vietair.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.

Social Sharing Optimization

vietair.com.vn

Open Graph data is detected on the main page of Vietair. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Đặt Vé Máy Bay giá Rẻ 2024 Nhanh Chóng, Thuận Tiện, Hỗ Trợ 24/7

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

vietair.com.vn

vietair.com.vn

vendor.layout.home.min.FB1F84CBE766B056946D8BD89B39C1F5.css

vendor.layout.home.01.min.C93A2C50D05FC4BB26B84699EC3349A9.css

FormCtmAdvicePopup.min.50AFA783C2A19467BA9066FB5367CCBA.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

vietair.com.vn

vietair.com.vn

vendor.layout.home.min.FB1F84CBE766B056946D8BD89B39C1F5.css

vendor.layout.home.01.min.C93A2C50D05FC4BB26B84699EC3349A9.css

FormCtmAdvicePopup.min.50AFA783C2A19467BA9066FB5367CCBA.css

Layout.min.E7CB1BE4CDFAED10B66890E56AC46C23.css

BootstrapModal.min.css

PopupCityModule.min.css

Index.min.57BB462AD3CDA74EED43311815CEF87C.css

header.layout.home.min.4FE852B518155914DC752CE71AD39B9C.js

vendor.layout.home.min.5D1C9EB81103ECC5D73F42B424AF89F6.js

vendor.layout.home.01.min.753D485E29DCE6186E2941E452572105.js

module.layout.home.min.56D6D4384C43168AF514241107210591.js

Layout.min.963BA27ADF1714A8DEFCAC26D1470582.js

AirlineDom.min.js

AirlineDomIntl.min.js

Index.min.74CB27B07EC66F43DBCF4C65D8CE6752.js

sdk.js

gtm.js

bg-hotline.png

icon_vedoan_1_2.png

logo_footer.svg

phone-gray.png

home-footer.svg

ic_email_feed_back.png

ic_facebook.png

ic_twetter.png

ic_youtube.png

ic_dk_bct_vs_xanh.png

phone-call.svg

messenger.svg

sign_in_red_vs.png

register_red_vs.png

gb.svg

kr.svg

vn.svg

flight_box_search.png

compass_w.png

day_tour_w.png

ic_jrp.png

dep_flight.png

double_arrow-v2.png

arr_flight.png