Tools & Wizards About Us
cancer.columbia.edu screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% 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

  • 98

    SEO

    Google-friendlier than
    92% of websites

cancer.columbia.edu

Herbert Irving Comprehensive Cancer Center (HICCC) - New York

Page Load Speed

2.2 sec in total

First Response

113 ms

Resources Loaded

1.5 sec

Page Rendered

531 ms

cancer.columbia.edu screenshot

About Website

Welcome to cancer.columbia.edu homepage info - get ready to check Cancer Columbia best content for United States right away, or after learning these important things about cancer.columbia.edu

The Herbert Irving Comprehensive Cancer Center (HICCC), located in New York City, is dedicated to discovering, designing, and delivering cancer care to all those affected by cancer.

Visit cancer.columbia.edu

Key Findings

We analyzed Cancer.columbia.edu page load time and found that the first response time was 113 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

cancer.columbia.edu performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value730 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.13

81/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

www.cancer.columbia.edu

113 ms

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7 ms

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12 ms

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19 ms

style.css

32 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 71% of them (24 requests) were addressed to the original Cancer.columbia.edu, 15% (5 requests) were made to Use.typekit.net and 9% (3 requests) were made to Columbiamed.containers.piwik.pro. The less responsive or slowest element that took the longest time to load (345 ms) relates to the external source Columbiamed.containers.piwik.pro.

Page Optimization Overview & Recommendations

Page size can be reduced by 265.2 kB (40%)

Content Size

662.7 kB

After Optimization

397.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cancer.columbia.edu main page is 662.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. HTML takes 280.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 226.9 kB

  • Original 280.6 kB
  • After minification 274.4 kB
  • After compression 53.7 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 226.9 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 6.9 kB

  • Original 207.6 kB
  • After minification 200.7 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. Cancer Columbia images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 23.2 kB

  • Original 156.0 kB
  • After minification 156.0 kB
  • After compression 132.7 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 23.2 kB or 15% of the original size.

CSS Optimization

-44%

Potential reduce by 8.2 kB

  • Original 18.6 kB
  • After minification 18.5 kB
  • After compression 10.3 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. Cancer.columbia.edu needs all CSS files to be minified and compressed as it can save up to 8.2 kB or 44% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (54%)

Requests Now

26

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cancer Columbia. 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 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.cancer.columbia.edu

www.cancer.columbia.edu

113 ms

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7 ms

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css__oqdxwshyn-g_2K6ixHfPAyc2oPfRMSl3G75kg9H9YNA__gyEZM2pOuT4fktEetppSLnLFpchYiIGVUFlI-iB4kls__A6V-prRdnQyszasjRXhhjjDZY5qWker8BfIgwQ1WcAU.css

12 ms

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19 ms

style.css

style.css

32 ms

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14 ms

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186 ms

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18 ms

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24 ms

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30 ms

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183 ms

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183 ms

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184 ms

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182 ms

p.css

p.css

175 ms

logo-cancer-desktop.svg

logo-cancer-desktop.svg

74 ms

6795afd4-bdbe-4619-b8e5-23c540c9e9be.js

6795afd4-bdbe-4619-b8e5-23c540c9e9be.js

345 ms

cuimc.svg

cuimc.svg

300 ms

logo-columbia--white.svg

logo-columbia--white.svg

297 ms

logo-nyp-white.svg

logo-nyp-white.svg

301 ms

logo-columbia-doctors-white.svg

logo-columbia-doctors-white.svg

299 ms

comprehensive-personalized-approach.jpg

comprehensive-personalized-approach.jpg

220 ms

meet-our-experts.jpg

meet-our-experts.jpg

218 ms

earlonsetcrc_image_homepage.jpeg

earlonsetcrc_image_homepage.jpeg

219 ms

privacy-widgets.json

privacy-widgets.json

18 ms

ppms.js

ppms.js

67 ms

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104 ms

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cb-icons.woff

cb-icons.woff

8 ms

ppms.php

ppms.php

262 ms

compcancercenter_h_pantone_color_badge.png

compcancercenter_h_pantone_color_badge.png

118 ms

Accessibility Review

cancer.columbia.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

cancer.columbia.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

cancer.columbia.edu SEO score

98

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 Cancer.columbia.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 Cancer.columbia.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

cancer.columbia.edu

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