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name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value19.7 s

0/100

10%

TBT (Total Blocking Time)

Value7,060 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.04

99/100

15%

TTI (Time to Interactive)

Value23.1 s

1/100

10%

bz.cn010w.com

739 ms

index.asp

2389 ms

cn010w_base.css

435 ms

cn010w_new_bottomml.css

478 ms

bzyy.css

943 ms

Our browser made a total of 121 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Bz.cn010w.com, 24% (29 requests) were made to Cn010w.com and 19% (23 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Sofire.bdstatic.com.

Content Size

923.7 kB

After Optimization

703.4 kB

In fact, the total size of Bz.cn010w.com main page is 923.7 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. 55% of websites need less resources to load. Images take 617.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 86.1 kB

Original 100.3 kB
After minification 97.7 kB
After compression 14.2 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 86% of the original size.

Image Optimization

-9%

Potential reduce by 55.7 kB

Original 617.7 kB
After minification 562.0 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. Bz Cn 010 W images are well optimized though.

JavaScript Optimization

-35%

Potential reduce by 66.3 kB

Original 189.5 kB
After minification 189.4 kB
After compression 123.2 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 66.3 kB or 35% of the original size.

CSS Optimization

-76%

Potential reduce by 12.2 kB

Original 16.2 kB
After minification 12.7 kB
After compression 3.9 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. Bz.cn010w.com needs all CSS files to be minified and compressed as it can save up to 12.2 kB or 76% of the original size.

Requests Now

114

After Optimization

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bz Cn 010 W. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

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

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Page has valid source maps

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

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bz.cn010w.com 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 Bz.cn010w.com 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

bz.cn010w.com

Open Graph description is not detected on the main page of Bz Cn 010 W. 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

伴奏音乐网,曲谱下载,诗朗诵伴奏音乐,小提琴伴奏音乐,二胡伴奏音乐,古筝伴奏音乐,声乐伴奏音乐,胡芦丝伴奏音乐,吉它伴奏音乐,笛子伴奏音乐,小号伴奏音乐,管乐伴奏音乐----中国网上音乐学院 www.cn010w.com

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

bz.cn010w.com

index.asp

cn010w_base.css

cn010w_new_bottomml.css

bzyy.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

bz.cn010w.com

index.asp

cn010w_base.css

cn010w_new_bottomml.css

bzyy.css

bzobject.js

adsbygoogle.js

c.js

jquery-1.8.3.min.js

dy_454_100.jpg

502_90.jpg

gg_yqz.jpg

bzlogo.jpg

bzbg1_2.jpg

bzbg1.gif

kt_ts.jpg

gg_02.gif

bzbg5.gif

shangcheng.jpg

bzbg6.gif

qq_pa.gif

beiantubiao.png

qq_online.png

zrt_lookup.html

show_ads_impl.js

cookie.js

integrator.js

ads

ads

icjm

rcwm

dcam

dfxaf3-635b4cd6.js

bzbg4_3.jpg

dcam

qkbg_5.gif

bzbg3.jpg

tp_02.gif

integrator.js

ads

integrator.js

ads

zccm