3.3 sec in total
129 ms
2.5 sec
739 ms
Welcome to redcrossblood.org homepage info - get ready to check Red Cross Blood best content for United States right away, or after learning these important things about redcrossblood.org
Blood donors report feeling a sense of great satisfaction after making their blood donation. Why? Because helping others in need just feels good. Donate blood today to help those in need.
Visit redcrossblood.orgWe analyzed Redcrossblood.org page load time and found that the first response time was 129 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
redcrossblood.org performance score
name
value
score
weighting
Value8.7 s
0/100
10%
Value11.6 s
0/100
25%
Value16.6 s
0/100
10%
Value27,090 ms
0/100
30%
Value0.005
100/100
15%
Value41.7 s
0/100
10%
129 ms
710 ms
14 ms
355 ms
176 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 70% of them (46 requests) were addressed to the original Redcrossblood.org, 6% (4 requests) were made to Google-analytics.com and 5% (3 requests) were made to Dev.visualwebsiteoptimizer.com. The less responsive or slowest element that took the longest time to load (710 ms) belongs to the original domain Redcrossblood.org.
Page size can be reduced by 222.4 kB (43%)
518.8 kB
296.4 kB
In fact, the total size of Redcrossblood.org main page is 518.8 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. 50% of websites need less resources to load. Images take 194.9 kB which makes up the majority of the site volume.
Potential reduce by 28.3 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 28.3 kB or 77% of the original size.
Potential reduce by 16.9 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. Red Cross Blood images are well optimized though.
Potential reduce by 68.3 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 68.3 kB or 44% of the original size.
Potential reduce by 108.9 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. Redcrossblood.org needs all CSS files to be minified and compressed as it can save up to 108.9 kB or 83% of the original size.
Number of requests can be reduced by 43 (69%)
62
19
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Red Cross Blood. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
redcrossblood.org
129 ms
www.redcrossblood.org
710 ms
socialize.js
14 ms
css_ab37f4abfab530a125d57c8081d5d3bb.css
355 ms
css_a93c9753472f7202dc84caab73522dde.css
176 ms
jquery.js
247 ms
drupal.js
204 ms
arc.js
176 ms
googleanalytics.js
177 ms
img_assist.js
177 ms
auto_image_handling.js
58 ms
lightbox.js
292 ms
dhtml_menu.js
51 ms
sifr.js
92 ms
sifr-rules.js
94 ms
popups.js
148 ms
jquery.form.js
133 ms
site.js
145 ms
home.css
149 ms
home3.css
178 ms
cufon-yui.js
344 ms
akzidenz_400.font.js
343 ms
akzidenz-bold_700.font.js
343 ms
home3.js
342 ms
google_cse.js
337 ms
ga.js
15 ms
quant.js
71 ms
j.php
83 ms
need-is-constant.gif
176 ms
searchbtn.png
170 ms
accessibility-icon.png
168 ms
arc2012_logo_off.gif
169 ms
icon-facebook-24x24.png
168 ms
twitter-icon-footer.png
169 ms
icon-youtube-24x24.png
273 ms
icon-flickr-24x24.png
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gtm.js
76 ms
foot-col3-8bit.png
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searchbg.png
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bld-srch-btn-fill.gif
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bt_red_bg.gif
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v.gif
107 ms
va-61418ddc26684d8ad493a188a761e47a.js
98 ms
bg-main.jpg
95 ms
girl-blood.jpg
131 ms
hr_bkg.png
131 ms
msg-caution.png
129 ms
analytics.js
102 ms
donating.jpg
199 ms
activityi;src=4706068;type=rcbgm0;cat=redcr0;ord=8344960095594;~oref=http%3A%2F%2Fwww.redcrossblood.org%2F
171 ms
collect
24 ms
girl-couphing.png
274 ms
blood-drive-sign.png
263 ms
footer-repeater.jpg
262 ms
bg-footer.jpg
261 ms
foot-col2-8bit.png
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conversion.js
257 ms
__utm.gif
181 ms
pixel;r=1351117469;a=p-HyPH2MEQk-HH1;fpan=1;fpa=P0-1958033861-1455597316326;ns=0;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1455597316319;tzo=-180;ref=;url=http%3A%2F%2Fwww.redcrossblood.org%2F;ogl=site_name.American%20Red%20Cross%2Curl.http%3A%2F%2Fwww%252Eredcrossblood%252Eorg%2F%2Cimage.http%3A%2F%2Fwww%252Eredcrossblood%252Eorg%2Fsites%2Farc%2Ffiles%2Farcbadge2-2012%252Ejpg
138 ms
css_ddd6f807a147007787e58b878a6ee0cc.css
59 ms
js
22 ms
i.js
115 ms
67 ms
33 ms
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24 ms
redcrossblood.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
[id] attributes on active, focusable elements are not unique
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
redcrossblood.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Requests the geolocation permission on page load
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
redcrossblood.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
Image elements do not have [alt] attributes
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
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Redcrossblood.org 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 Redcrossblood.org 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.
redcrossblood.org
Open Graph description is not detected on the main page of Red Cross Blood. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: