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papers.usenix.org screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

papers.usenix.org

USENIX | The Advanced Computing Systems Association

Page Load Speed

1.1 sec in total

First Response

43 ms

Resources Loaded

538 ms

Page Rendered

526 ms

papers.usenix.org screenshot

About Website

Click here to check amazing Papers USENIX content for China. Otherwise, check out these important facts you probably never knew about papers.usenix.org

USENIX publishes ;login: and is the first technical membership association to offer open access to research, our events cover sysadmin, security, systems, & more.

Visit papers.usenix.org

Key Findings

We analyzed Papers.usenix.org page load time and found that the first response time was 43 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

papers.usenix.org performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value1,860 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

papers.usenix.org

43 ms

www.usenix.org

95 ms

uc.js

46 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

12 ms

css_sjbIB5GEqe9Dl8nBlENdU0lUL2orFpNvZVYZq6b-H78.css

18 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Papers.usenix.org, 69% (38 requests) were made to Usenix.org and 11% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (172 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 171.0 kB (15%)

Content Size

1.1 MB

After Optimization

938.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Papers.usenix.org main page is 1.1 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 583.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 72.2 kB

  • Original 95.0 kB
  • After minification 93.6 kB
  • After compression 22.9 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 72.2 kB or 76% of the original size.

Image Optimization

-6%

Potential reduce by 35.9 kB

  • Original 583.9 kB
  • After minification 548.1 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. Papers USENIX images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 51.7 kB

  • Original 372.1 kB
  • After minification 372.1 kB
  • After compression 320.4 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 51.7 kB or 14% of the original size.

CSS Optimization

-19%

Potential reduce by 11.3 kB

  • Original 58.9 kB
  • After minification 58.9 kB
  • After compression 47.6 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. Papers.usenix.org needs all CSS files to be minified and compressed as it can save up to 11.3 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (38%)

Requests Now

45

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Papers USENIX. 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 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

papers.usenix.org

papers.usenix.org

43 ms

www.usenix.org

www.usenix.org

95 ms

uc.js

uc.js

46 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

12 ms

css_sjbIB5GEqe9Dl8nBlENdU0lUL2orFpNvZVYZq6b-H78.css

css_sjbIB5GEqe9Dl8nBlENdU0lUL2orFpNvZVYZq6b-H78.css

18 ms

css_nUFTrBzuSS1e6iNFoYIyAptja28IikBBh8IfX_l3-Jw.css

css_nUFTrBzuSS1e6iNFoYIyAptja28IikBBh8IfX_l3-Jw.css

23 ms

css_SrUDZQa9-Fqy9H73vR5FpY7U5u93fhdwZx7UEdLimwo.css

css_SrUDZQa9-Fqy9H73vR5FpY7U5u93fhdwZx7UEdLimwo.css

20 ms

css_EqCVMMxjSULrwF2a5OvYu-BTW1kYOy7qtNZ2DkAJyWc.css

css_EqCVMMxjSULrwF2a5OvYu-BTW1kYOy7qtNZ2DkAJyWc.css

21 ms

css_mRbT5IPFSFuKfzZdgdvZZ85p2out8lpep9KzGqViarQ.css

css_mRbT5IPFSFuKfzZdgdvZZ85p2out8lpep9KzGqViarQ.css

23 ms

js_fyV0VVkC6Q3xduxGurKMTFIU2dMmArUrbAdZORL-9WQ.js

js_fyV0VVkC6Q3xduxGurKMTFIU2dMmArUrbAdZORL-9WQ.js

31 ms

js_s7yA-hwRxnKty__ED6DuqmTMKG39xvpRyrtyCrbWH4M.js

js_s7yA-hwRxnKty__ED6DuqmTMKG39xvpRyrtyCrbWH4M.js

41 ms

js_JI2CXTuxPnxsVJPIb8RDhlCEi1C446pCQpqa1EFCg_g.js

js_JI2CXTuxPnxsVJPIb8RDhlCEi1C446pCQpqa1EFCg_g.js

39 ms

js_3KDEvA4hkvYkoQVpox40YW0uNeMQRI7vLvLTYCpiOtU.js

js_3KDEvA4hkvYkoQVpox40YW0uNeMQRI7vLvLTYCpiOtU.js

38 ms

v3

v3

52 ms

js_ZO6lBzNCyArV9XKBSrkUh7Vi0Hl4xwt03mPiMaTMGPA.js

js_ZO6lBzNCyArV9XKBSrkUh7Vi0Hl4xwt03mPiMaTMGPA.js

39 ms

api.js

api.js

53 ms

css

css

47 ms

gtm.js

gtm.js

172 ms

logo.svg

logo.svg

93 ms

recaptcha__en.js

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121 ms

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21 ms

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16 ms

header-image.jpg

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23 ms

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22 ms

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22 ms

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27 ms

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28 ms

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42 ms

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41 ms

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41 ms

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35 ms

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49 ms

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122 ms

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44 ms

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122 ms

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134 ms

7Aulp_0qiz-aVz7u3PJLcUMYOFlOl0k30e0.ttf

7Aulp_0qiz-aVz7u3PJLcUMYOFlOl0k30e0.ttf

135 ms

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121 ms

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132 ms

fallback

fallback

35 ms

fallback__ltr.css

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3 ms

css

css

23 ms

logo_48.png

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3 ms

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5 ms

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KFOlCnqEu92Fr1MmEU9fBBc9.ttf

5 ms

Accessibility Review

papers.usenix.org accessibility score

88

Accessibility Issues

Internationalization and localization

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

Impact

Issue

High

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

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

Links do not have a discernible name

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

papers.usenix.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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

papers.usenix.org SEO score

77

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

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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

High

Tap targets are not sized appropriately

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 Papers.usenix.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 Papers.usenix.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

papers.usenix.org

Open Graph data is detected on the main page of Papers USENIX. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: