Cancer.org Site Title

American Cancer Society | Information and Resources for Cancer: Breast, Colon, Lung, Prostate, Skin

Cancer.org Meta Description

Dedicated to helping persons who face cancer. Supports research, patient services, early detection, treatment and education. Contact us anytime day or night 1-800-227-234.

Cancer.org Test Results

Cancer.org Mobile Usability: 100/100

Cancer.org Mobile Speed: 33/100

Quick overview:
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 843.1KiB (77% reduction).
Compressing http://www.cancer.org/acs/websites/cancerorg/sitenavigation.js could save 245KiB (90% reduction).
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Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 13 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://www.cancer.org/acs/websites/CancerOrg/sitenavigationfunctions.js
...
Optimize CSS Delivery of the following:
http://assets.moovweb.net/25c7eb57-543d-4a58-af44-78df6c894157/23d7603e-f42a-4c01-ac87-1c16f74efd65/v69/stylesheets/.css/devices/webkit.css
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://assets.adobedtm.com/fdd8a5c34af4a173986b916f554ecf31cd8b444f/satelliteLib-d4608ad690a6a3c0845a1e8f6356b554a7de77de.js (expiration not specified)
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Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://cancer.org/
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Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 106.7KiB (31% reduction).
Minifying http://www.cancer.org/acs/fragments/lightbox_cancerhome/js/relayforlife2016emailsignup.js could save 23.8KiB (37% reduction).
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Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 54.2KiB (24% reduction).
Losslessly compressing http://m.cancer.org/acs/groups/content/@marketing/documents/image/acspc-047669.jpg could save 51.2KiB (24% reduction).
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