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interactions.acm.org screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    82% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

interactions.acm.org

ACM Interactions | Magazine for human-computer interaction & design | ACM Interactions

Page Load Speed

1.6 sec in total

First Response

511 ms

Resources Loaded

939 ms

Page Rendered

159 ms

interactions.acm.org screenshot

About Website

Welcome to interactions.acm.org homepage info - get ready to check Interactions ACM best content for China right away, or after learning these important things about interactions.acm.org

Bi-monthly publication by the ACM, focusing on human-computer interaction (HCI), interaction design (IX), user experience (UX) and beyond.

Visit interactions.acm.org

Key Findings

We analyzed Interactions.acm.org page load time and found that the first response time was 511 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

interactions.acm.org performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value4.1 s

87/100

10%

Network Requests Diagram

interactions.acm.org

511 ms

all.css

44 ms

menu.css

26 ms

validationEngine.jquery.css

26 ms

jquery-1.7.min.js

86 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 91% of them (41 requests) were addressed to the original Interactions.acm.org, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Acm.nui.media. The less responsive or slowest element that took the longest time to load (511 ms) belongs to the original domain Interactions.acm.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 322.1 kB (32%)

Content Size

1.0 MB

After Optimization

700.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Interactions.acm.org main page is 1.0 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. 20% of websites need less resources to load. Images take 618.7 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 64.4 kB

  • Original 74.2 kB
  • After minification 71.2 kB
  • After compression 9.8 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 64.4 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 33.0 kB

  • Original 618.7 kB
  • After minification 585.7 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. Interactions ACM images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 202.7 kB

  • Original 302.3 kB
  • After minification 261.9 kB
  • After compression 99.6 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 202.7 kB or 67% of the original size.

CSS Optimization

-81%

Potential reduce by 22.0 kB

  • Original 27.1 kB
  • After minification 23.5 kB
  • After compression 5.1 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. Interactions.acm.org needs all CSS files to be minified and compressed as it can save up to 22.0 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (16%)

Requests Now

44

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Interactions 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 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

interactions.acm.org

interactions.acm.org

511 ms

all.css

all.css

44 ms

menu.css

menu.css

26 ms

validationEngine.jquery.css

validationEngine.jquery.css

26 ms

jquery-1.7.min.js

jquery-1.7.min.js

86 ms

cufon.js

cufon.js

106 ms

jquery.dropmenu.js

jquery.dropmenu.js

48 ms

jquery.validationEngine-en.js

jquery.validationEngine-en.js

47 ms

jquery.validationEngine.js

jquery.validationEngine.js

80 ms

jquerytools.js

jquerytools.js

68 ms

jquery.main.js

jquery.main.js

76 ms

ga.js

ga.js

151 ms

logo.gif

logo.gif

20 ms

separator-top-nav.gif

separator-top-nav.gif

41 ms

logo-acm.gif

logo-acm.gif

42 ms

btn-submit.gif

btn-submit.gif

41 ms

ico-social.gif

ico-social.gif

44 ms

blog-rss-icon.png

blog-rss-icon.png

43 ms

dropdown-menu-bk.png

dropdown-menu-bk.png

45 ms

IX231W_100_shutterstock_280319546.jpg

IX231W_100_shutterstock_280319546.jpg

66 ms

IX2206W_000_COVER.jpg

IX2206W_000_COVER.jpg

58 ms

IX2205W_100_IX2205_COVER.jpg

IX2205W_100_IX2205_COVER.jpg

67 ms

IX231W_501a_shutterstock_311507993.jpg

IX231W_501a_shutterstock_311507993.jpg

132 ms

bg-visual-text-holder.png

bg-visual-text-holder.png

46 ms

IX231W_100_shutterstock_280319546_67_90.jpg

IX231W_100_shutterstock_280319546_67_90.jpg

52 ms

arrow-info-nav.gif

arrow-info-nav.gif

69 ms

IX231W_301_IEng_Jeong_1.jpg

IX231W_301_IEng_Jeong_1.jpg

87 ms

IX231W_301_RFID-Yarn-and-RFID-yarns-integrated-garments-.jpg

IX231W_301_RFID-Yarn-and-RFID-yarns-integrated-garments-.jpg

101 ms

arrow-more.gif

arrow-more.gif

89 ms

IX231W_304_DITL_Fig.11.jpg

IX231W_304_DITL_Fig.11.jpg

114 ms

0902_IAX19.6.jpg

0902_IAX19.6.jpg

124 ms

Marcus-Aaron-BioPhoto-15Aug11_sm.jpg

Marcus-Aaron-BioPhoto-15Aug11_sm.jpg

134 ms

JeffreyBardzell_Pic_sm.jpg

JeffreyBardzell_Pic_sm.jpg

126 ms

Jonathan_Grudin_SM.jpg

Jonathan_Grudin_SM.jpg

153 ms

IX231W_504_image_03.jpg

IX231W_504_image_03.jpg

156 ms

IX231W_505_CiolfiPetrelliCemetery1.jpg

IX231W_505_CiolfiPetrelliCemetery1.jpg

159 ms

IX231W_605_Fig_1_Luigi_Galvani_Experiment.jpg

IX231W_605_Fig_1_Luigi_Galvani_Experiment.jpg

164 ms

IX231W_604_p74_Accessibility_v2.jpg

IX231W_604_p74_Accessibility_v2.jpg

164 ms

IX231W_401_figure1.jpg

IX231W_401_figure1.jpg

176 ms

IX231W_701_robot.jpg

IX231W_701_robot.jpg

182 ms

btn-go.gif

btn-go.gif

174 ms

bg-visual-drop.png

bg-visual-drop.png

180 ms

vh

vh

25 ms

__utm.gif

__utm.gif

14 ms

1446131606767_ACMBooks_Ada_Legacy_160x600.jpg

1446131606767_ACMBooks_Ada_Legacy_160x600.jpg

41 ms

Accessibility Review

interactions.acm.org accessibility score

85

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.

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

Links do not have a discernible name

Best Practices

interactions.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

SEO Factors

interactions.acm.org SEO score

64

Search Engine Optimization Advices

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 Interactions.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 Interactions.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

interactions.acm.org

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