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m.cancer.gov screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

m.cancer.gov

Comprehensive Cancer Information - NCI

Page Load Speed

1.9 sec in total

First Response

366 ms

Resources Loaded

727 ms

Page Rendered

806 ms

m.cancer.gov screenshot

About Website

Visit m.cancer.gov now to see the best up-to-date M Cancer content for United States and also check out these interesting facts you probably never knew about m.cancer.gov

Accurate, up-to-date, comprehensive cancer information from the U.S. government's principal agency for cancer research.

Visit m.cancer.gov

Key Findings

We analyzed M.cancer.gov page load time and found that the first response time was 366 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

m.cancer.gov performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.086

93/100

15%

TTI (Time to Interactive)

Value8.0 s

43/100

10%

Network Requests Diagram

www.cancer.gov

366 ms

launch-5f2a5357bf66.min.js

35 ms

css

103 ms

css_JQyZ9StD4-4I5jikYtL8icbvn1b-f6xMTWUzpXDhKlc.css

20 ms

Common.css

24 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original M.cancer.gov, 13% (4 requests) were made to Assets.adobedtm.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (366 ms) relates to the external source Cancer.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.7 kB (19%)

Content Size

712.9 kB

After Optimization

579.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of M.cancer.gov main page is 712.9 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. 60% of websites need less resources to load. Images take 491.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 100.4 kB

  • Original 124.6 kB
  • After minification 106.4 kB
  • After compression 24.2 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 18.3 kB, which is 15% 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 100.4 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 491.5 kB
  • After minification 491.5 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. M Cancer images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 806 B

  • Original 17.3 kB
  • After minification 17.2 kB
  • After compression 16.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-41%

Potential reduce by 32.4 kB

  • Original 79.4 kB
  • After minification 79.2 kB
  • After compression 46.9 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. M.cancer.gov needs all CSS files to be minified and compressed as it can save up to 32.4 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (36%)

Requests Now

28

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of M Cancer. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.cancer.gov

www.cancer.gov

366 ms

launch-5f2a5357bf66.min.js

launch-5f2a5357bf66.min.js

35 ms

css

css

103 ms

css_JQyZ9StD4-4I5jikYtL8icbvn1b-f6xMTWUzpXDhKlc.css

css_JQyZ9StD4-4I5jikYtL8icbvn1b-f6xMTWUzpXDhKlc.css

20 ms

Common.css

Common.css

24 ms

Homelanding.css

Homelanding.css

23 ms

js_Ze7iuVYYvaNC2iWmS0y3TIxKx1Oc0Lk1t6DqW16KLyM.js

js_Ze7iuVYYvaNC2iWmS0y3TIxKx1Oc0Lk1t6DqW16KLyM.js

128 ms

Common.js

Common.js

90 ms

Homelanding.js

Homelanding.js

90 ms

AppMeasurement.min.js

AppMeasurement.min.js

145 ms

AppMeasurement_Module_ActivityMap.min.js

AppMeasurement_Module_ActivityMap.min.js

146 ms

nci-logo-full.svg

nci-logo-full.svg

138 ms

NCA50_homepage_banner_1350x297_desktop.jpg

NCA50_homepage_banner_1350x297_desktop.jpg

99 ms

AP%20FY24%20AP%20General%20Promo%204x3%20Branded.jpg

AP%20FY24%20AP%20General%20Promo%204x3%20Branded.jpg

102 ms

cancer-moonshot-logo-feature-card.jpg

cancer-moonshot-logo-feature-card.jpg

96 ms

emergency-preparedness-feature-card.jpg

emergency-preparedness-feature-card.jpg

97 ms

Equity-and-Inclusion-Program-Banner-Final_4x3.jpg

Equity-and-Inclusion-Program-Banner-Final_4x3.jpg

99 ms

lab-tech-looking-at-stats-on-laptop.jpg

lab-tech-looking-at-stats-on-laptop.jpg

99 ms

female-cis-feature-card.jpg

female-cis-feature-card.jpg

109 ms

twitter-circle-icon.svg

twitter-circle-icon.svg

99 ms

facebook-circle-icon.svg

facebook-circle-icon.svg

105 ms

linkedin-circle-icon.svg

linkedin-circle-icon.svg

102 ms

instagram-circle-icon.svg

instagram-circle-icon.svg

106 ms

cancers-associated-with-drinking-alcohol-infographic.jpg

cancers-associated-with-drinking-alcohol-infographic.jpg

136 ms

senior-leadership-illustration-feature-card.gif

senior-leadership-illustration-feature-card.gif

109 ms

Resources-by-Audience-thumb.jpg

Resources-by-Audience-thumb.jpg

108 ms

svg-sprite-593ecf95.svg

svg-sprite-593ecf95.svg

73 ms

Montserrat-regular.woff

Montserrat-regular.woff

97 ms

Montserrat-700.woff

Montserrat-700.woff

97 ms

4407.js

4407.js

143 ms

RC9956e3e85e694dfeafb5d0e9bc882f46-source.min.js

RC9956e3e85e694dfeafb5d0e9bc882f46-source.min.js

65 ms

Accessibility Review

m.cancer.gov accessibility score

97

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.

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

m.cancer.gov 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

m.cancer.gov 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 M.cancer.gov 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 M.cancer.gov 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

m.cancer.gov

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