Access ecs-buy.aliyun.com. 阿里云

name

value

score

weighting

FCP (First Contentful Paint)

Value11.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value3,310 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

ecs-buy.aliyun.com

2290 ms

ecs-buy.aliyun.com

15655 ms

g.alicdn.com

542 ms

seed-min.js

540 ms

g.alicdn.com

603 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Ecs-buy.aliyun.com, 40% (21 requests) were made to G.alicdn.com and 10% (5 requests) were made to Gtms02.alicdn.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Log.mmstat.com.

Content Size

933.3 kB

After Optimization

336.6 kB

In fact, the total size of Ecs-buy.aliyun.com main page is 933.3 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. 25% of websites need less resources to load. Javascripts take 477.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 266.9 kB

Original 327.4 kB
After minification 316.4 kB
After compression 60.6 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 266.9 kB or 82% of the original size.

Image Optimization

-9%

Potential reduce by 10.0 kB

Original 108.7 kB
After minification 98.7 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. Ecs Buy Aliyun images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 303.9 kB

Original 477.2 kB
After minification 418.8 kB
After compression 173.3 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 303.9 kB or 64% of the original size.

CSS Optimization

-80%

Potential reduce by 15.9 kB

Original 20.0 kB
After minification 20.0 kB
After compression 4.1 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. Ecs-buy.aliyun.com needs all CSS files to be minified and compressed as it can save up to 15.9 kB or 80% of the original size.

Requests Now

After Optimization

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ecs Buy Aliyun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 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

Document doesn't have a <title> element

High

<frame> or <iframe> elements do not have a title

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 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

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Document doesn't have a <title> element

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

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ecs-buy.aliyun.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 Ecs-buy.aliyun.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

ecs-buy.aliyun.com

Open Graph description is not detected on the main page of Ecs Buy Aliyun. 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

阿里云 - 弹性计算

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

ecs-buy.aliyun.com

ecs-buy.aliyun.com

g.alicdn.com

seed-min.js

g.alicdn.com

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

ecs-buy.aliyun.com

ecs-buy.aliyun.com

g.alicdn.com

seed-min.js

g.alicdn.com

g.alicdn.com

g.alicdn.com

require.js

aliyun.buy.all.js

app.all.js

aplus_v2.js

xwj_heat.js

agp_heat.min.js

c.gif

g.alicdn.com

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g.alicdn.com

g.alicdn.com

uab.js

clear.png

um.js

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footerRegister.js

iconfont.woff

analytics.js

cloud_helper_config.js

accountInfo.htm

index.css

TB19lzTKFXXXXXVXXXXED8NIVXX-76-76.png

feedback

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cj.js

um.json

feedback