Access radio5.cn. 瑞丢网络收音机(radio5.cn)-广播电台在线收听

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

radio5.cn

575 ms

www.radio5.cn

621 ms

index2009.css

212 ms

config.js

153 ms

common.js

152 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 89% of them (103 requests) were addressed to the original Radio5.cn, 3% (3 requests) were made to Shareto.googlecode.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.4 sec) relates to the external source Pcookie.cnzz.com.

Content Size

609.2 kB

After Optimization

402.0 kB

In fact, the total size of Radio5.cn main page is 609.2 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. 35% of websites need less resources to load. Images take 333.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 86.1 kB

Original 103.5 kB
After minification 97.2 kB
After compression 17.4 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 86.1 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 2.0 kB

Original 333.6 kB
After minification 331.7 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. Radio 5 images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 84.1 kB

Original 127.5 kB
After minification 105.4 kB
After compression 43.4 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 84.1 kB or 66% of the original size.

CSS Optimization

-79%

Potential reduce by 34.9 kB

Original 44.4 kB
After minification 39.8 kB
After compression 9.5 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. Radio5.cn needs all CSS files to be minified and compressed as it can save up to 34.9 kB or 79% of the original size.

Requests Now

109

After Optimization

The browser has sent 109 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radio 5. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 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 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

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

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

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

GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Radio5.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 Radio5.cn main page’s claimed encoding is gbk. 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

radio5.cn

Open Graph description is not detected on the main page of Radio 5. 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

瑞丢网络收音机(radio5.cn)-广播电台在线收听

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

radio5.cn

www.radio5.cn

index2009.css

config.js

common.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

radio5.cn

www.radio5.cn

index2009.css

config.js

common.js

prototype.js

login.php

Oper.js

bookmark.js

Std_StranJF.Js

stat.php

shareto_float.js

style2009.css

menu.css

300-90.gif

logo3.jpg

jutime.jpg

thumb_20090817010731845.jpg

ting.jpg

no2.jpg

tpic_431cd3f5993aec4c55625efe2af94a27.jpg

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bt_play2.gif

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tpic_9c48f5965fe18fed12d870c61de82e86.jpg

tpic_112dd546d83ccb3ca4f14fe2b80806d4.jpg