Access cjiyou.net. 炒邮网-邮票/炒邮票/邮币卡/邮币卡交易/邮票交易/邮票收藏/邮票/邮票投资/邮票行情/邮票报价/纸币行情

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.271

45/100

15%

TTI (Time to Interactive)

Value6.4 s

59/100

10%

cjiyou.net

903 ms

layui.css

436 ms

style.css

426 ms

nav_mb.css

428 ms

jquery-1.11.3.min.js

865 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 83% of them (29 requests) were addressed to the original Cjiyou.net, 11% (4 requests) were made to Bbs.cjiyou.net and 3% (1 request) were made to Sdk.51.la. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Cjiyou.net.

Content Size

2.6 MB

After Optimization

2.3 MB

In fact, the total size of Cjiyou.net main page is 2.6 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. 50% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 66.5 kB

Original 78.3 kB
After minification 58.3 kB
After compression 11.8 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 20.1 kB, which is 26% 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 66.5 kB or 85% of the original size.

Image Optimization

-10%

Potential reduce by 224.6 kB

Original 2.4 MB
After minification 2.1 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. Cjiyou images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 38.3 kB

Original 179.9 kB
After minification 179.7 kB
After compression 141.6 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 38.3 kB or 21% of the original size.

CSS Optimization

-29%

Potential reduce by 9.3 kB

Original 32.0 kB
After minification 32.0 kB
After compression 22.7 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. Cjiyou.net needs all CSS files to be minified and compressed as it can save up to 9.3 kB or 29% of the original size.

Requests Now

After Optimization

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cjiyou. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 valid value for its [lang] attribute.

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>).

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

High

Serves images with low resolution

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 uses legible font sizes

Language and Encoding

Language Detected

ZH
Language Claimed

GB
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cjiyou.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed language. Our system also found out that Cjiyou.net 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

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

炒邮网-邮票/炒邮票/邮币卡/邮币卡交易/邮票交易/邮票收藏/邮票/邮票投资/邮票行情/邮票报价/纸币行情

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

cjiyou.net

layui.css

style.css

nav_mb.css

jquery-1.11.3.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

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Accessibility Review

Accessibility Issues

Best Practices

Areas of Improvement

SEO Factors

Search Engine Optimization Advices

Language and Encoding

Language Detected

Language Claimed

Encoding

Social Sharing Optimization

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