Access yuncode.net. 云代码 - 分享源代码片段管理云端代码库

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

yuncode.net

3923 ms

navigation.css

1008 ms

header.css

1033 ms

footer.css

1085 ms

common.css

3433 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 92% of them (46 requests) were addressed to the original Yuncode.net, 4% (2 requests) were made to Tajs.qq.com and 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Yuncode.net.

Content Size

232.9 kB

After Optimization

112.1 kB

In fact, the total size of Yuncode.net main page is 232.9 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 104.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 68.3 kB

Original 83.8 kB
After minification 83.1 kB
After compression 15.5 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 68.3 kB or 81% of the original size.

Image Optimization

-16%

Potential reduce by 16.8 kB

Original 104.3 kB
After minification 87.5 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, Yuncode needs image optimization as it can save up to 16.8 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 1.9 kB

Original 3.2 kB
After minification 3.2 kB
After compression 1.3 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 1.9 kB or 59% of the original size.

CSS Optimization

-81%

Potential reduce by 33.7 kB

Original 41.5 kB
After minification 34.7 kB
After compression 7.8 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. Yuncode.net needs all CSS files to be minified and compressed as it can save up to 33.7 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yuncode. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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 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

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

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

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 Yuncode.net 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 Yuncode.net 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

yuncode.net

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

云代码 - 分享源代码片段 管理云端代码库

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

yuncode.net

navigation.css

header.css

footer.css

common.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

yuncode.net

navigation.css

header.css

footer.css

common.css

show_window.css

jquery-1.7.2.min.js

common.js

jquery.KinSlideshow-1.1.js

index.css

ask.css

stats

home.png

close.gif

speak.gif

default.jpg

pic_5666a4eb1cba6.jpg

pic_5653f1946c43b.jpg

pic_564c63379391d.jpg

pic_561f76133ad3e.jpg

pic_560a36c921f04.jpg

pic_5450f6449ca82.jpg

pic_518d1ed6604c4.jpg

pic_51ce3d484bc45.jpg

pic_51b1635184544.jpg

pic_50c5ae71920e1.jpg

33.jpg

34.jpg

32.jpg

31.jpg

29.jpg

28.jpg

27.jpg

ajaxcheck

search.png

logo.gif

nav_bg.gif

nav_left.gif

nav_cut.gif

nav_right.gif

column_bg.gif

gold.png

weekstar.gif

云代码 - 分享源代码片段管理云端代码库