Access global.csair.com. 中国南方航空官网-机票查询,机票预定,航班查询

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value27.9 s

0/100

25%

SI (Speed Index)

Value40.5 s

0/100

10%

TBT (Total Blocking Time)

Value5,450 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.742

6/100

15%

TTI (Time to Interactive)

Value22.3 s

1/100

10%

global.csair.com

0 ms

style.css

2588 ms

jquery-ui-1.10.4.custom.css

391 ms

jquery.selectBox.css

290 ms

jquery-1.11.0.min.js

2539 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 91% of them (98 requests) were addressed to the original Global.csair.com, 2% (2 requests) were made to Googleads.g.doubleclick.net and 2% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Global.csair.com.

Content Size

4.4 MB

After Optimization

2.5 MB

In fact, the total size of Global.csair.com main page is 4.4 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. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 824.4 kB

Original 1.0 MB
After minification 1.0 MB
After compression 186.2 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 824.4 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 87.9 kB

Original 2.1 MB
After minification 2.0 MB

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. Global Csair images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 715.3 kB

Original 1.0 MB
After minification 987.1 kB
After compression 305.5 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 715.3 kB or 70% of the original size.

CSS Optimization

-82%

Potential reduce by 238.6 kB

Original 290.8 kB
After minification 284.8 kB
After compression 52.2 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. Global.csair.com needs all CSS files to be minified and compressed as it can save up to 238.6 kB or 82% of the original size.

Requests Now

104

After Optimization

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Global Csair. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 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 usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

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 the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

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

ZH
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Global.csair.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Global.csair.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.

Social Sharing Optimization

global.csair.com

Open Graph description is not detected on the main page of Global Csair. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

中国南方航空官网-机票查询,机票预定,航班查询

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

global.csair.com

style.css

jquery-ui-1.10.4.custom.css

jquery.selectBox.css

jquery-1.11.0.min.js

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

global.csair.com

style.css

jquery-ui-1.10.4.custom.css

jquery.selectBox.css

jquery-1.11.0.min.js

wdk.js

require.js

requirejsConfig.js

bootstrap.js

jquery.selectbox.min.js

jquery.form-validator.patched.js

jquery.placeholder-enhanced.js

header.js

CZ_normal.css

zzsc.css

jquery.DB_tabMotionBanner.min.js

online.css

cz-sd-Tab.js

online_check_in.js

flight.css

UI.css

citiesData.js

flight_status.js

checkInfo.js

PH%20HOME_CENTER.css

DB_tab29.css

lunbotu.min.js

gtm.js

cz-logo.png

skyteamlogo.png

cz-sprites.png

linkedin.png

Printerest.png

facebook.png

Instagram.ico

YouTube.png

Twitter.ico

flags.png

blue-pixel.png

news-title.png

CHC.jpg

WDC1.jpg

WDC2.jpg