Access 3d-book.cn. 环幕电影,球幕影院,通道融合,9D电影设备,7D多人对战体验馆,9DVR加盟,5D动感影院厂家,四川卓信智诚科技有限公司3D,4D,5D,7D,9D院线联盟

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.146

77/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

3d-book.cn

1822 ms

www.3d-book.cn

1658 ms

index.css

428 ms

common.css

430 ms

nsw.pc.min.js

1300 ms

Our browser made a total of 136 requests to load all elements on the main page. We found that 90% of them (122 requests) were addressed to the original 3d-book.cn, 7% (9 requests) were made to Bdimg.share.baidu.com and 2% (3 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain 3d-book.cn.

Content Size

10.7 MB

After Optimization

10.2 MB

In fact, the total size of 3d-book.cn main page is 10.7 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. 60% of websites need less resources to load. Images take 10.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 183.3 kB

Original 213.4 kB
After minification 208.5 kB
After compression 30.1 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 183.3 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 20.9 kB

Original 10.1 MB
After minification 10.1 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. 3 D Book images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 197.7 kB

Original 320.0 kB
After minification 284.6 kB
After compression 122.2 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 197.7 kB or 62% of the original size.

CSS Optimization

-84%

Potential reduce by 86.9 kB

Original 103.2 kB
After minification 79.8 kB
After compression 16.3 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. 3d-book.cn needs all CSS files to be minified and compressed as it can save up to 86.9 kB or 84% of the original size.

Requests Now

132

After Optimization

110

The browser has sent 132 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3 D Book. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 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 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

Definition list items are not wrapped in <dl> 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

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

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

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 3d-book.cn 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 3d-book.cn 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

3d-book.cn

Open Graph description is not detected on the main page of 3 D Book. 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

环幕电影,球幕影院,通道融合,9D电影设备,7D多人对战体验馆,9DVR加盟,5D动感影院厂家,四川卓信智诚科技有限公司3D,4D,5D,7D,9D院线联盟

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

3d-book.cn

www.3d-book.cn

index.css

common.css

nsw.pc.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

3d-book.cn

www.3d-book.cn

index.css

common.css

nsw.pc.min.js

MSClass.js

scroll-div.js

style.css

template-sub-domain.js

common.js

19500501.js

xiala.js

public.js

style.js

share.js

subDomain.js

logo.png

z.jpg

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y.jpg

f_tit.jpg

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hot.png

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tl.png

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