Access shanghai-channel.com. 网站建设|企业邮箱|网络营销|程序开发|SSL证书-上海铭心科技服务有限公司

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value12.3 s

3/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.246

50/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

shanghai-channel.com

1470 ms

default.css

876 ms

font.css

456 ms

iconfont.css

461 ms

media.css

876 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 9% of them (7 requests) were addressed to the original Shanghai-channel.com, 63% (47 requests) were made to Pmo04686a.pic35.websiteonline.cn and 16% (12 requests) were made to Static.websiteonline.cn. The less responsive or slowest element that took the longest time to load (4.7 sec) relates to the external source Pmo04686a.pic35.websiteonline.cn.

Content Size

2.4 MB

After Optimization

2.2 MB

In fact, the total size of Shanghai-channel.com main page is 2.4 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. 60% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 135.9 kB

Original 158.4 kB
After minification 156.3 kB
After compression 22.4 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. 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 135.9 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 49.1 kB

Original 2.0 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. Shanghai Channel images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 57.3 kB

Original 250.0 kB
After minification 250.0 kB
After compression 192.7 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 57.3 kB or 23% of the original size.

CSS Optimization

-21%

Potential reduce by 3.3 kB

Original 15.4 kB
After minification 15.3 kB
After compression 12.1 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. Shanghai-channel.com needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 21% of the original size.

Requests Now

After Optimization

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shanghai Channel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 8 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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ZH
Language Claimed

ZH
Encoding

UTF-8

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

shanghai-channel.com

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

网站建设|企业邮箱|网络营销|程序开发|SSL证书-上海铭心科技服务有限公司

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

shanghai-channel.com

default.css

font.css

iconfont.css

media.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

shanghai-channel.com

default.css

font.css

iconfont.css

media.css

title.css

unslider.css

1a3d153f638e7ff579f93c98dee148db.cssx

clipboard.js

shopping_cart.css

js-sdk-pro.min.js

js-sdk-perf.min.js

push.js

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