Tools & Wizards About Us
bctr.cornell.edu screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

bctr.cornell.edu

Bronfenbrenner Center for Translational Research at Cornell University

Page Load Speed

9.7 sec in total

First Response

2.2 sec

Resources Loaded

6.2 sec

Page Rendered

1.3 sec

bctr.cornell.edu screenshot

About Website

Click here to check amazing Bctr Cornell content for United States. Otherwise, check out these important facts you probably never knew about bctr.cornell.edu

BCTR expands, strengthens, and speeds the connections between research, policy, and practice to enhance human development and well-being.

Visit bctr.cornell.edu

Key Findings

We analyzed Bctr.cornell.edu page load time and found that the first response time was 2.2 sec and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

bctr.cornell.edu performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value13,920 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.141

78/100

15%

TTI (Time to Interactive)

Value26.0 s

0/100

10%

Network Requests Diagram

bctr.cornell.edu

2200 ms

js

70 ms

style.css

40 ms

frontend-gtag.min.js

80 ms

jquery.min.js

136 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 43% of them (46 requests) were addressed to the original Bctr.cornell.edu, 22% (24 requests) were made to Fonts.gstatic.com and 19% (20 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Bctr.cornell.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 666.5 kB (24%)

Content Size

2.8 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bctr.cornell.edu main page is 2.8 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. Only a small number of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 172.0 kB

  • Original 208.7 kB
  • After minification 202.3 kB
  • After compression 36.6 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. 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 172.0 kB or 82% of the original size.

Image Optimization

-11%

Potential reduce by 154.7 kB

  • Original 1.4 MB
  • After minification 1.3 MB

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, Bctr Cornell needs image optimization as it can save up to 154.7 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-34%

Potential reduce by 339.1 kB

  • Original 1.0 MB
  • After minification 1.0 MB
  • After compression 661.5 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 339.1 kB or 34% of the original size.

CSS Optimization

-0%

Potential reduce by 680 B

  • Original 143.9 kB
  • After minification 143.9 kB
  • After compression 143.2 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. Bctr.cornell.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (40%)

Requests Now

75

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bctr 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 25 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bctr.cornell.edu

bctr.cornell.edu

2200 ms

js

js

70 ms

style.css

style.css

40 ms

frontend-gtag.min.js

frontend-gtag.min.js

80 ms

jquery.min.js

jquery.min.js

136 ms

jquery-migrate.min.js

jquery-migrate.min.js

73 ms

gdpr-donotsell.js

gdpr-donotsell.js

133 ms

header.js

header.js

132 ms

blog.js

blog.js

133 ms

media.js

media.js

133 ms

flexslider.js

flexslider.js

134 ms

slider.js

slider.js

137 ms

scripts.min.js

scripts.min.js

149 ms

jquery.fitvids.js

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136 ms

api.js

api.js

47 ms

common.js

common.js

138 ms

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58 ms

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logo.png

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326 ms

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531 ms

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325 ms

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431 ms

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623 ms

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1396 ms

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1392 ms

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707 ms

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1393 ms

footer_accent.png

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1394 ms

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CHE_logo_1line_black_BoldSeal_black_RGB.png

1428 ms

logo-black.png

logo-black.png

1397 ms

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyD9A-9U6VQ.woff

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyD9A-9U6VQ.woff

36 ms

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312 ms

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423 ms

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423 ms

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1389 ms

slider_prev.png

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1178 ms

slider_next.png

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1182 ms

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254 ms

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318 ms

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312 ms

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330 ms

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327 ms

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325 ms

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194 ms

iJWZBXyIfDnIV5PNhY1KTN7Z-Yh-4I-FV0Uw.ttf

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245 ms

modules.woff

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1195 ms

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248 ms

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247 ms

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295 ms

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294 ms

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299 ms

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299 ms

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314 ms

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380 ms

recaptcha__en.js

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345 ms

www-player.css

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86 ms

www-embed-player.js

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base.js

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855 ms

www-embed-player.js

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base.js

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ad_status.js

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id

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style.min.css

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589 ms

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399 ms

embed.js

embed.js

319 ms

id

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189 ms

Accessibility Review

bctr.cornell.edu accessibility score

95

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

bctr.cornell.edu best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

bctr.cornell.edu SEO score

99

Search Engine Optimization Advices

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 Bctr.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 Bctr.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

bctr.cornell.edu

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