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Report Summary

About Website

Visit subway.com.cn now to see the best up-to-date Subway content for China and also check out these interesting facts you probably never knew about subway.com.cn

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name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value25.2 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value430 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.996

2/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

subway.com.cn

2860 ms

font-awesome.min.css

9208 ms

jquery-1.10.2.min.js

7053 ms

common.js

7979 ms

jquery.mixhover.js

1080 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 95% of them (38 requests) were addressed to the original Subway.com.cn, 5% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (15.2 sec) belongs to the original domain Subway.com.cn.

Content Size

380.0 kB

After Optimization

251.4 kB

In fact, the total size of Subway.com.cn main page is 380.0 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. 15% of websites need less resources to load. Images take 278.2 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 8.0 kB

Original 11.5 kB
After minification 10.2 kB
After compression 3.4 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 1.3 kB, which is 11% 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 8.0 kB or 70% of the original size.

Image Optimization

-17%

Potential reduce by 46.5 kB

Original 278.2 kB
After minification 231.8 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, Subway needs image optimization as it can save up to 46.5 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-84%

Potential reduce by 52.6 kB

Original 62.4 kB
After minification 34.3 kB
After compression 9.8 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 52.6 kB or 84% of the original size.

CSS Optimization

-77%

Potential reduce by 21.5 kB

Original 27.9 kB
After minification 26.4 kB
After compression 6.4 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. Subway.com.cn needs all CSS files to be minified and compressed as it can save up to 21.5 kB or 77% of the original size.

Requests Now

After Optimization

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Subway. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

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 Subway.com.cn 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 Subway.com.cn 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

subway.com.cn

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

首页

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)