Tools & Wizards About Us
imax.cn screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

imax.cn

IMAX(IMAX.CN)带给您身临其境的观影体验,更大的银幕,清晰的画质,震撼的音效,看最新2D、3D电影首选IMAX影院-IMAX官方网站

Page Load Speed

48.1 sec in total

First Response

2.5 sec

Resources Loaded

41.9 sec

Page Rendered

3.7 sec

imax.cn screenshot

About Website

Welcome to imax.cn homepage info - get ready to check IMAX best content for China right away, or after learning these important things about imax.cn

IMAX特点频道主要从什么是IMAX，IMAX摄影机更高分辨率3D效果更佳、IMAX震撼心灵的音频系统、IMAX影片令人惊叹的画面、IMAX影院身临其境般的体验 、IMAX DMR® （数字原底翻版技术）等方面介绍，想要了解更多IMAX特点，请登录IMAX官方网站。

Visit imax.cn

Key Findings

We analyzed Imax.cn page load time and found that the first response time was 2.5 sec and then it took 45.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 34 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

imax.cn performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value37.5 s

0/100

25%

SI (Speed Index)

Value20.8 s

0/100

10%

TBT (Total Blocking Time)

Value1,000 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.662

8/100

15%

TTI (Time to Interactive)

Value164.1 s

0/100

10%

Network Requests Diagram

imax.cn

2498 ms

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

737 ms

css_cw4bnvRT32hUwV7sG1paGMXRZeTG6Wlq2d4j9aqT4vA.css

1148 ms

css_wJuXzEcE8BR12Bl544nsxFKHWslMsMkw-GSlbA_ZIOw.css

737 ms

css_ef1Q5dm2i6aDSqsV-I5rNYgMc8mkOoTRdipoIcA8_ac.css

19953 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 79% of them (48 requests) were addressed to the original Imax.cn, 7% (4 requests) were made to Hm.baidu.com and 3% (2 requests) were made to Player.youku.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Imax.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 758.0 kB (76%)

Content Size

992.7 kB

After Optimization

234.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Imax.cn main page is 992.7 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. 15% of websites need less resources to load. Javascripts take 556.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 72.1 kB

  • Original 84.2 kB
  • After minification 52.8 kB
  • After compression 12.1 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. This page needs HTML code to be minified as it can gain 31.4 kB, which is 37% 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 72.1 kB or 86% of the original size.

Image Optimization

-75%

Potential reduce by 174.0 kB

  • Original 231.7 kB
  • After minification 57.8 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, IMAX needs image optimization as it can save up to 174.0 kB or 75% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 412.5 kB

  • Original 556.5 kB
  • After minification 430.9 kB
  • After compression 144.0 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 412.5 kB or 74% of the original size.

CSS Optimization

-83%

Potential reduce by 99.4 kB

  • Original 120.3 kB
  • After minification 117.0 kB
  • After compression 20.8 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. Imax.cn needs all CSS files to be minified and compressed as it can save up to 99.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (72%)

Requests Now

25

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IMAX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

imax.cn

imax.cn

2498 ms

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

737 ms

css_cw4bnvRT32hUwV7sG1paGMXRZeTG6Wlq2d4j9aqT4vA.css

css_cw4bnvRT32hUwV7sG1paGMXRZeTG6Wlq2d4j9aqT4vA.css

1148 ms

css_wJuXzEcE8BR12Bl544nsxFKHWslMsMkw-GSlbA_ZIOw.css

css_wJuXzEcE8BR12Bl544nsxFKHWslMsMkw-GSlbA_ZIOw.css

737 ms

css_ef1Q5dm2i6aDSqsV-I5rNYgMc8mkOoTRdipoIcA8_ac.css

css_ef1Q5dm2i6aDSqsV-I5rNYgMc8mkOoTRdipoIcA8_ac.css

19953 ms

bootstrap.min.css

bootstrap.min.css

9021 ms

css_2TKx3p6JXG5nfH7eFDOjbPA9Lq9ylgfknKreI6bF8FA.css

css_2TKx3p6JXG5nfH7eFDOjbPA9Lq9ylgfknKreI6bF8FA.css

19953 ms

jsapi

jsapi

1837 ms

js_MpKfe1sTh5JIVGCZ17DsAuT1rqAC38MLLlkjqjQ1X_k.js

js_MpKfe1sTh5JIVGCZ17DsAuT1rqAC38MLLlkjqjQ1X_k.js

19965 ms

js_ek4wm4e0MHsCeOa_O5BfdRUGzzavK3StCJkUBIhNv-E.js

js_ek4wm4e0MHsCeOa_O5BfdRUGzzavK3StCJkUBIhNv-E.js

1877 ms

bootstrap.min.js

bootstrap.min.js

2000 ms

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js_v16y5qpIErnZfMS6wp2P4sdRZUA7clRdnjWkA71riqQ.js

19961 ms

js_AVUh29iJ2Eo66SpTfzPnD3ia28pD_sB1TGrQEevT_to.js

js_AVUh29iJ2Eo66SpTfzPnD3ia28pD_sB1TGrQEevT_to.js

19962 ms

js_iiro2olv-RX3gC3Gs2RbWAN3fitln8gMi7wDaiQWkFg.js

js_iiro2olv-RX3gC3Gs2RbWAN3fitln8gMi7wDaiQWkFg.js

9406 ms

stat.php

stat.php

1247 ms

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20375 ms

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19746 ms

jquery.js

jquery.js

20375 ms

jquery.min.js

jquery.min.js

20375 ms

play.css

play.css

777 ms

hm.js

hm.js

1677 ms

hm.js

hm.js

2965 ms

analytics.js

analytics.js

3611 ms

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weixin.jpg

13249 ms

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20148 ms

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14733 ms

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8447 ms

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11303 ms

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20148 ms

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20148 ms

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20149 ms

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20149 ms

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20150 ms

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20150 ms

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20150 ms

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20150 ms

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20150 ms

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20150 ms

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20151 ms

stat.htm

stat.htm

729 ms

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core.php

2389 ms

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hm.gif

451 ms

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9.gif

1076 ms

hm.gif

hm.gif

2030 ms

app.gif

app.gif

11088 ms

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collect

80 ms

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collect

91 ms

Accessibility Review

imax.cn accessibility score

62

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

imax.cn best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

imax.cn SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

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 Imax.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 Imax.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

imax.cn

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