Tools & Wizards About Us
rundanafarber.org screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

rundanafarber.org

Run With Us to Defy Cancer - Run for Dana-Farber

Page Load Speed

1.9 sec in total

First Response

253 ms

Resources Loaded

1.1 sec

Page Rendered

582 ms

rundanafarber.org screenshot

About Website

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.org

Key Findings

We analyzed Rundanafarber.org page load time and found that the first response time was 253 ms and then it took 1.7 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

rundanafarber.org performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value24.5 s

0/100

10%

TBT (Total Blocking Time)

Value28,100 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.29

41/100

15%

TTI (Time to Interactive)

Value44.1 s

0/100

10%

Network Requests Diagram

253 ms

yui-min.js

109 ms

modules.js

138 ms

utils.js

145 ms

obs_comp_rollup.js

143 ms

Our browser made a total of 84 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 (384 ms) relates to the external source Danafarber.jimmyfund.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 253.3 kB (26%)

Content Size

980.3 kB

After Optimization

727.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rundanafarber.org main page is 980.3 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. 65% of websites need less resources to load. Images take 648.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 110.0 kB

  • Original 133.8 kB
  • After minification 125.0 kB
  • After compression 23.8 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 110.0 kB or 82% of the original size.

Image Optimization

-12%

Potential reduce by 76.9 kB

  • Original 648.7 kB
  • After minification 571.8 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. Obviously, Run Dana Farber needs image optimization as it can save up to 76.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-39%

Potential reduce by 46.7 kB

  • Original 120.6 kB
  • After minification 120.0 kB
  • After compression 73.9 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 46.7 kB or 39% of the original size.

CSS Optimization

-26%

Potential reduce by 19.7 kB

  • Original 77.2 kB
  • After minification 77.2 kB
  • After compression 57.5 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 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (45%)

Requests Now

73

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 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 22 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

253 ms

yui-min.js

yui-min.js

109 ms

modules.js

modules.js

138 ms

utils.js

utils.js

145 ms

obs_comp_rollup.js

obs_comp_rollup.js

143 ms

default.css

default.css

149 ms

alphacube.css

alphacube.css

148 ms

UserGlobalStyle.css

UserGlobalStyle.css

150 ms

CustomStyle.css

CustomStyle.css

175 ms

CustomWysiwygStyle.css

CustomWysiwygStyle.css

176 ms

jquery.min.js

jquery.min.js

93 ms

bootstrap.min.js

bootstrap.min.js

117 ms

element.js

element.js

132 ms

sdk.js

sdk.js

97 ms

OtAutoBlock.js

OtAutoBlock.js

97 ms

otSDKStub.js

otSDKStub.js

105 ms

css

css

98 ms

bootstrap.min.css

bootstrap.min.css

129 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

94 ms

master-styles.css

master-styles.css

217 ms

styles.css

styles.css

260 ms

ac43c2a4c5.js

ac43c2a4c5.js

221 ms

luminateExtend.min.js

luminateExtend.min.js

106 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

113 ms

master-scripts.js

master-scripts.js

218 ms

scripts.js

scripts.js

284 ms

sharethis.js

sharethis.js

97 ms

main.min.css

main.min.css

255 ms

lunametrics-youtube.gtm.min.js

lunametrics-youtube.gtm.min.js

99 ms

index.min.js

index.min.js

110 ms

polyfill.min.js

polyfill.min.js

114 ms

addthis_widget.js

addthis_widget.js

108 ms

sdk.js

sdk.js

20 ms

689f6750-000a-4c4a-b479-1fd1e64fa496.json

689f6750-000a-4c4a-b479-1fd1e64fa496.json

18 ms

location

location

54 ms

62 ms

ac43c2a4c5.css

ac43c2a4c5.css

49 ms

font-awesome-css.min.css

font-awesome-css.min.css

50 ms

rundf_header.png

rundf_header.png

82 ms

rundf_header_2x.png

rundf_header_2x.png

83 ms

dfci-header-logo-update.png

dfci-header-logo-update.png

229 ms

dfci-header-logo-update-2X.png

dfci-header-logo-update-2X.png

180 ms

jf-header-logo-update.png

jf-header-logo-update.png

82 ms

jf-header-logo-update-2X.png

jf-header-logo-update-2X.png

82 ms

jfw_wrpr_header_default_menu.png

jfw_wrpr_header_default_menu.png

181 ms

RDF_Web_Hero_1170.jpg

RDF_Web_Hero_1170.jpg

256 ms

cv_86_3125932688518584826.png

cv_86_3125932688518584826.png

185 ms

RDF_Web_Homepage_RunnersIcon_220.png

RDF_Web_Homepage_RunnersIcon_220.png

185 ms

RDF_Web_Homepage_RunnersIcon_220.png

RDF_Web_Homepage_RunnersIcon_220.png

211 ms

RDF_Web_DFMC_Legs_51.png

RDF_Web_DFMC_Legs_51.png

211 ms

RDF_Home_DFMCBlock_389.jpg

RDF_Home_DFMCBlock_389.jpg

210 ms

RDF_Web_BAAHalf_Legs_51.png

RDF_Web_BAAHalf_Legs_51.png

209 ms

RDF_Home_BAAHalfBlock_390v2.jpg

RDF_Home_BAAHalfBlock_390v2.jpg

208 ms

RDF_Web_Falmouth_Legs_51.png

RDF_Web_Falmouth_Legs_51.png

208 ms

RDF_Web_Home_Block6_Falmouth_390.jpg

RDF_Web_Home_Block6_Falmouth_390.jpg

211 ms

RDF_Web_BAA5KandRAR_Legs_51.png

RDF_Web_BAA5KandRAR_Legs_51.png

258 ms

RDF_Web_HomePage_Block8_389.jpg

RDF_Web_HomePage_Block8_389.jpg

257 ms

RDF_Web_JF5K_Legs_51.png

RDF_Web_JF5K_Legs_51.png

255 ms

RDF_RAR_HomeImage_390.jpg

RDF_RAR_HomeImage_390.jpg

208 ms

RDF_Web_Home_LastBlock_389.jpg

RDF_Web_Home_LastBlock_389.jpg

207 ms

RDF_Web_WhyIRun_585.jpg

RDF_Web_WhyIRun_585.jpg

209 ms

campaign-logo-footer.jpg

campaign-logo-footer.jpg

255 ms

Campaign_Website_Icons_RDF_DFMC-03.png

Campaign_Website_Icons_RDF_DFMC-03.png

256 ms

Campaign_Website_Icons_RDF_DFMC-02.png

Campaign_Website_Icons_RDF_DFMC-02.png

280 ms

Campaign_Website_Icons_RDF_DFMC-01.png

Campaign_Website_Icons_RDF_DFMC-01.png

286 ms

Email_USNewsBadge.png

Email_USNewsBadge.png

288 ms

Email_USNewsBadgeChildrens.png

Email_USNewsBadgeChildrens.png

288 ms

Global_Supporthelps_Web_Newsweek_Oncology_63.png

Global_Supporthelps_Web_Newsweek_Oncology_63.png

290 ms

Global_SupportHelps_CharityNavigator_4StarSquare_100.jpg

Global_SupportHelps_CharityNavigator_4StarSquare_100.jpg

384 ms

rundf_footer_logo.png

rundf_footer_logo.png

319 ms

dfjf-footer-logo-update.png

dfjf-footer-logo-update.png

325 ms

dfjf-footer-logo-update-2X.png

dfjf-footer-logo-update-2X.png

328 ms

jfw_semiwhite.png

jfw_semiwhite.png

297 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

152 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aX8.ttf

177 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

195 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Hw5aX8.ttf

196 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Xw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Xw5aX8.ttf

199 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf

200 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

197 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr73w5aX8.ttf

197 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aX8.ttf

200 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

219 ms

jfw_wrpr_footer_default_share.png

jfw_wrpr_footer_default_share.png

254 ms

Accessibility Review

rundanafarber.org accessibility score

86

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

rundanafarber.org best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

rundanafarber.org SEO score

85

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    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.

Social Sharing Optimization

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: