Access veryzhun.com. 航班动态

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value25.4 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value12,750 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.307

38/100

15%

TTI (Time to Interactive)

Value38.0 s

0/100

10%

www.veryzhun.com

2686 ms

css.css

2456 ms

marqueeflight.css

852 ms

ServiceLocalCity.js

959 ms

APPDownloadArray.js

1035 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 40% of them (50 requests) were addressed to the original Veryzhun.com, 17% (21 requests) were made to Cdn.feeyo.com and 10% (13 requests) were made to Img.t.sinajs.cn. The less responsive or slowest element that took the longest time to load (7.5 sec) belongs to the original domain Veryzhun.com.

Content Size

686.7 kB

After Optimization

247.8 kB

In fact, the total size of Veryzhun.com main page is 686.7 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. 40% of websites need less resources to load. Javascripts take 379.6 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 83.1 kB

Original 94.8 kB
After minification 90.8 kB
After compression 11.7 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 83.1 kB or 88% of the original size.

Image Optimization

-12%

Potential reduce by 14.2 kB

Original 121.0 kB
After minification 106.8 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, Veryzhun needs image optimization as it can save up to 14.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 266.3 kB

Original 379.6 kB
After minification 377.3 kB
After compression 113.3 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 266.3 kB or 70% of the original size.

CSS Optimization

-83%

Potential reduce by 75.4 kB

Original 91.3 kB
After minification 87.8 kB
After compression 16.0 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. Veryzhun.com needs all CSS files to be minified and compressed as it can save up to 75.4 kB or 83% of the original size.

Requests Now

123

After Optimization

The browser has sent 123 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Veryzhun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 4 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 the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

Language and Encoding

Language Detected

ZH
Language Claimed

N/A
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Veryzhun.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 Veryzhun.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

veryzhun.com

Open Graph description is not detected on the main page of Veryzhun. 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

航班动态

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

www.veryzhun.com

css.css

marqueeflight.css

ServiceLocalCity.js

APPDownloadArray.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

www.veryzhun.com

css.css

marqueeflight.css

ServiceLocalCity.js

APPDownloadArray.js

calendar.js

welcome.js

VZTP1.js

mmsreply.js

index_delayinfo.js

orderight.js

VZTP2.js

end.js

setday.js

MarqueeflightScreen.js

jquery-1.9.1.min.js

vTop1.gif

qq.gif

logo_sina1.gif

ifeng.gif

163.gif

carnocnew.gif

vTop2.gif

vTop3.gif

vTop4.gif

img1.gif

img2.gif

img3.gif

preview3.png

aandroidfree.gif

bg3.jpg

bottom-banner-close.png

bottom-banner-erweima.png

weibo1.gif

logo_1.gif

logo_o_1.gif

topnew.gif

tips.gif

btnsearch.gif

ico_qun1.gif

ico_qun.gif

unread.gif

line.jpg