1.8 sec in total
299 ms
1.1 sec
362 ms
Visit rundanafarber.org now to see the best up-to-date Run Dana Farber content for United States and also check out these interesting facts you probably never knew about rundanafarber.org
Help defy cancer by joining thousands of runners, supporters, and volunteers raising money for Dana-Farber Cancer Institute with Run for Dana-Farber.
Visit rundanafarber.orgWe analyzed Rundanafarber.org page load time and found that the first response time was 299 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.
rundanafarber.org performance score
name
value
score
weighting
Value5.6 s
6/100
10%
Value13.1 s
0/100
25%
Value10.9 s
6/100
10%
Value1,860 ms
9/100
30%
Value0.351
31/100
15%
Value21.1 s
1/100
10%
299 ms
115 ms
130 ms
133 ms
133 ms
Our browser made a total of 82 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Rundanafarber.org, 11% (9 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (349 ms) relates to the external source Danafarber.jimmyfund.org.
Page size can be reduced by 535.6 kB (32%)
1.7 MB
1.1 MB
In fact, the total size of Rundanafarber.org main page is 1.7 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. 65% of websites need less resources to load. Images take 919.6 kB which makes up the majority of the site volume.
Potential reduce by 148.2 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. 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 148.2 kB or 82% of the original size.
Potential reduce by 77.1 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. Run Dana Farber images are well optimized though.
Potential reduce by 290.6 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 290.6 kB or 61% of the original size.
Potential reduce by 19.7 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. Rundanafarber.org needs all CSS files to be minified and compressed as it can save up to 19.7 kB or 25% of the original size.
Number of requests can be reduced by 37 (52%)
71
34
The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Run Dana Farber. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
299 ms
yui-min.js
115 ms
modules.js
130 ms
utils.js
133 ms
obs_comp_rollup.js
133 ms
default.css
134 ms
alphacube.css
132 ms
UserGlobalStyle.css
151 ms
CustomStyle.css
169 ms
CustomWysiwygStyle.css
170 ms
jquery.min.js
59 ms
bootstrap.min.js
77 ms
element.js
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sdk.js
58 ms
OtAutoBlock.js
84 ms
otSDKStub.js
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css
77 ms
bootstrap.min.css
328 ms
jquery.fancybox.min.css
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master-styles.css
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styles.css
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ac43c2a4c5.js
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luminateExtend.min.js
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jquery.fancybox.min.js
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master-scripts.js
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scripts.js
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sharethis.js
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zg-melissa-data.main.js
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main.min.css
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lunametrics-youtube.gtm.min.js
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launch-90664c3f0ed7.min.js
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index.min.js
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polyfill.min.js
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api.js
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zg-melissa-data.survey.js
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addthis_widget.js
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sdk.js
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689f6750-000a-4c4a-b479-1fd1e64fa496.json
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location
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ac43c2a4c5.css
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font-awesome-css.min.css
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rundf_header.png
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campaign-logo-footer.jpg
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JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX9-p7K4GLs.ttf
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rundanafarber.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
rundanafarber.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
rundanafarber.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rundanafarber.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rundanafarber.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
rundanafarber.org
Open Graph data is detected on the main page of Run Dana Farber. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: