Tools & Wizards About Us
irb.cornell.edu screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

irb.cornell.edu

Research with Human Participants | Cornell Research Services

Page Load Speed

1 sec in total

First Response

56 ms

Resources Loaded

749 ms

Page Rendered

244 ms

irb.cornell.edu screenshot

About Website

Welcome to irb.cornell.edu homepage info - get ready to check Irb Cornell best content for United States right away, or after learning these important things about irb.cornell.edu

If you are conducting research with human participants (e.g., surveys, interviews, blood draws, secondary data analysis), you will need to obtain approval from the Cornell Institutional Review Board f...

Visit irb.cornell.edu

Key Findings

We analyzed Irb.cornell.edu page load time and found that the first response time was 56 ms and then it took 993 ms 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

irb.cornell.edu performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

irb.cornell.edu

56 ms

human-research

54 ms

api.js

62 ms

google_tag.script.js

15 ms

dix4rzx.css

77 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Irb.cornell.edu, 41% (20 requests) were made to Researchservices.cornell.edu and 37% (18 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (221 ms) relates to the external source Researchservices.cornell.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 449.7 kB (43%)

Content Size

1.0 MB

After Optimization

588.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Irb.cornell.edu 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. 60% of websites need less resources to load. Javascripts take 819.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 57.7 kB

  • Original 70.4 kB
  • After minification 55.1 kB
  • After compression 12.6 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 15.2 kB, which is 22% 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 57.7 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 3.9 kB

  • Original 71.2 kB
  • After minification 67.3 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. Irb Cornell images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 370.1 kB

  • Original 819.5 kB
  • After minification 819.5 kB
  • After compression 449.3 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 370.1 kB or 45% of the original size.

CSS Optimization

-23%

Potential reduce by 17.9 kB

  • Original 76.8 kB
  • After minification 76.8 kB
  • After compression 58.8 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. Irb.cornell.edu needs all CSS files to be minified and compressed as it can save up to 17.9 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (63%)

Requests Now

30

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Irb Cornell. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

irb.cornell.edu

irb.cornell.edu

56 ms

human-research

human-research

54 ms

api.js

api.js

62 ms

google_tag.script.js

google_tag.script.js

15 ms

dix4rzx.css

dix4rzx.css

77 ms

hks6txn.css

hks6txn.css

159 ms

css_71hlmk6XkIIi70QSN9ZgXtvA-DTNejUbvdYOmcsXqwo.css

css_71hlmk6XkIIi70QSN9ZgXtvA-DTNejUbvdYOmcsXqwo.css

31 ms

css_YKOfzYoOshuHBmLCCtbO-Mk2t74EBuVPaCEEJJ89DQw.css

css_YKOfzYoOshuHBmLCCtbO-Mk2t74EBuVPaCEEJJ89DQw.css

37 ms

js_jWM6emcp1hXR53H13lQ_geGdsrRsZPyV77aUrKsBddA.js

js_jWM6emcp1hXR53H13lQ_geGdsrRsZPyV77aUrKsBddA.js

50 ms

cornellrassearch.app.js

cornellrassearch.app.js

50 ms

research_innov_1_line.png

research_innov_1_line.png

50 ms

cornell_seal_simple_b31b1b.svg

cornell_seal_simple_b31b1b.svg

52 ms

cornellras-logo-seal-white.png

cornellras-logo-seal-white.png

50 ms

Research_Innov_1_line_Red_KO.png

Research_Innov_1_line_Red_KO.png

50 ms

recaptcha__en.js

recaptcha__en.js

34 ms

p.css

p.css

85 ms

p.css

p.css

5 ms

red-close-icon.svg

red-close-icon.svg

221 ms

get_popular_settings

get_popular_settings

132 ms

gtm.js

gtm.js

220 ms

fallback

fallback

45 ms

search-icon.svg

search-icon.svg

29 ms

white-close-icon.svg

white-close-icon.svg

26 ms

white-chevron-right.svg

white-chevron-right.svg

25 ms

chevron-navy.svg

chevron-navy.svg

27 ms

select-dropdown.svg

select-dropdown.svg

28 ms

scroll-top.gif

scroll-top.gif

28 ms

search-icon-black.svg

search-icon-black.svg

30 ms

d

d

43 ms

d

d

99 ms

d

d

106 ms

d

d

31 ms

d

d

98 ms

d

d

98 ms

d

d

43 ms

d

d

101 ms

d

d

102 ms

d

d

101 ms

d

d

107 ms

d

d

102 ms

d

d

106 ms

d

d

103 ms

d

d

104 ms

d

d

105 ms

fa-solid-900.woff

fa-solid-900.woff

99 ms

fallback__ltr.css

fallback__ltr.css

57 ms

css

css

107 ms

logo_48.png

logo_48.png

25 ms

analytics.js

analytics.js

21 ms

Accessibility Review

irb.cornell.edu accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

irb.cornell.edu 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

irb.cornell.edu SEO score

92

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

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 Irb.cornell.edu 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 Irb.cornell.edu 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

irb.cornell.edu

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