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chi2014.acm.org screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

chi2014.acm.org

Welcome | CHI 2014

Page Load Speed

882 ms in total

First Response

111 ms

Resources Loaded

634 ms

Page Rendered

137 ms

chi2014.acm.org screenshot

About Website

Click here to check amazing CHI 2014 Acm content for China. Otherwise, check out these important facts you probably never knew about chi2014.acm.org

Visit chi2014.acm.org

Key Findings

We analyzed Chi2014.acm.org page load time and found that the first response time was 111 ms and then it took 771 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

chi2014.acm.org performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

69/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value950 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

chi2014.acm.org

111 ms

jquery.min.js

47 ms

jquery.csv.min.js

63 ms

functions.js

97 ms

scroll-sneak.js

64 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 72% of them (28 requests) were addressed to the original Chi2014.acm.org, 8% (3 requests) were made to S.ytimg.com and 5% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (346 ms) belongs to the original domain Chi2014.acm.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 560.7 kB (48%)

Content Size

1.2 MB

After Optimization

607.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chi2014.acm.org main page is 1.2 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. 50% of websites need less resources to load. Images take 499.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 20.3 kB

  • Original 23.8 kB
  • After minification 12.1 kB
  • After compression 3.5 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. This page needs HTML code to be minified as it can gain 11.7 kB, which is 49% 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 20.3 kB or 85% of the original size.

Image Optimization

-12%

Potential reduce by 60.1 kB

  • Original 499.8 kB
  • After minification 439.7 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. Obviously, CHI 2014 Acm needs image optimization as it can save up to 60.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 210.8 kB

  • Original 325.3 kB
  • After minification 306.0 kB
  • After compression 114.4 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 210.8 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 269.4 kB

  • Original 319.0 kB
  • After minification 302.2 kB
  • After compression 49.6 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. Chi2014.acm.org needs all CSS files to be minified and compressed as it can save up to 269.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (54%)

Requests Now

35

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CHI 2014 Acm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

chi2014.acm.org

chi2014.acm.org

111 ms

jquery.min.js

jquery.min.js

47 ms

jquery.csv.min.js

jquery.csv.min.js

63 ms

functions.js

functions.js

97 ms

scroll-sneak.js

scroll-sneak.js

64 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

65 ms

underscore-min.js

underscore-min.js

100 ms

jquery.plugin.min.js

jquery.plugin.min.js

105 ms

jquery.countdown.min.js

jquery.countdown.min.js

93 ms

jquery.fancybox.js

jquery.fancybox.js

156 ms

jquery.fancybox.css

jquery.fancybox.css

97 ms

jquery.fancybox-media.js

jquery.fancybox-media.js

128 ms

main.css

main.css

126 ms

program.css

program.css

128 ms

ml-social-buttons-light.css

ml-social-buttons-light.css

166 ms

font.css

font.css

130 ms

dc.js

dc.js

45 ms

weibologo.png

weibologo.png

57 ms

best.png

best.png

56 ms

autodesk-140.png

autodesk-140.png

56 ms

bloomberg-140.png

bloomberg-140.png

55 ms

google-140.png

google-140.png

56 ms

grand-140.png

grand-140.png

66 ms

microsoft-140.png

microsoft-140.png

88 ms

naver-140.png

naver-140.png

87 ms

ut.png

ut.png

116 ms

acm-80.png

acm-80.png

90 ms

sigchi-80.png

sigchi-80.png

91 ms

day_header.jpg

day_header.jpg

346 ms

socialglyphs-webfont.woff

socialglyphs-webfont.woff

126 ms

iN1wLizrsKY

iN1wLizrsKY

100 ms

__utm.gif

__utm.gif

13 ms

www-embed-player-vflQrT_sR.css

www-embed-player-vflQrT_sR.css

42 ms

www-embed-player.js

www-embed-player.js

65 ms

base.js

base.js

94 ms

6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js

6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js

43 ms

ad_status.js

ad_status.js

39 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

38 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

44 ms

Accessibility Review

chi2014.acm.org accessibility score

78

Accessibility Issues

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

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

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>).

High

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

Best Practices

chi2014.acm.org best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

chi2014.acm.org SEO score

62

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chi2014.acm.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Chi2014.acm.org 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

chi2014.acm.org

Open Graph description is not detected on the main page of CHI 2014 Acm. 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: