2 sec in total
470 ms
1.4 sec
176 ms
Welcome to unitedbloodservices.org homepage info - get ready to check Unitedbloodservices best content for United States right away, or after learning these important things about unitedbloodservices.org
Schedule an appointment online to donate blood today. United Blood Services is a nonprofit community blood center providing a safe, dependable and ample blood supply for more than 25 million people. F...
Visit unitedbloodservices.orgWe analyzed Unitedbloodservices.org page load time and found that the first response time was 470 ms and then it took 1.6 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.
unitedbloodservices.org performance score
name
value
score
weighting
Value3.2 s
42/100
10%
Value5.3 s
22/100
25%
Value4.5 s
72/100
10%
Value1,540 ms
13/100
30%
Value0.013
100/100
15%
Value10.8 s
22/100
10%
470 ms
453 ms
274 ms
280 ms
278 ms
Our browser made a total of 31 requests to load all elements on the main page. We found that 94% of them (29 requests) were addressed to the original Unitedbloodservices.org, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (720 ms) belongs to the original domain Unitedbloodservices.org.
Page size can be reduced by 140.6 kB (16%)
865.5 kB
724.9 kB
In fact, the total size of Unitedbloodservices.org main page is 865.5 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. Only 10% of websites need less resources to load. Images take 732.2 kB which makes up the majority of the site volume.
Potential reduce by 17.9 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 2.6 kB, which is 11% 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 17.9 kB or 74% of the original size.
Potential reduce by 43.3 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. Unitedbloodservices images are well optimized though.
Potential reduce by 41.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 41.5 kB or 62% of the original size.
Potential reduce by 37.9 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. Unitedbloodservices.org needs all CSS files to be minified and compressed as it can save up to 37.9 kB or 90% of the original size.
Number of requests can be reduced by 3 (10%)
30
27
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Unitedbloodservices. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
unitedbloodservices.org
470 ms
common.css
453 ms
home.css
274 ms
ghhq.css
280 ms
common.js
278 ms
WebResource.axd
180 ms
WebResource.axd
445 ms
splash_nicole.jpg
278 ms
splash_brian.jpg
283 ms
splash_family.jpg
496 ms
splash_eneketi.jpg
479 ms
splash_pat.jpg
404 ms
splash_fernando.jpg
459 ms
splash_tim.jpg
452 ms
GrayHatchBkgd.gif
387 ms
nav_home_active.jpg
475 ms
nav_about_up.jpg
488 ms
nav_golocal_up.jpg
536 ms
nav_donatenow_up.jpg
541 ms
nav_herorewards_up.jpg
561 ms
nav_learnmore_up.jpg
564 ms
nav_getinvolved_up.jpg
575 ms
nav_careers_up.jpg
592 ms
sidebar_login_up.png
637 ms
FastTrack-logo.png
720 ms
rewards_donor_up.png
666 ms
header.jpg
666 ms
extendedContentSection.jpg
682 ms
footer.gif
527 ms
ga.js
31 ms
__utm.gif
12 ms
unitedbloodservices.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.
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
unitedbloodservices.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
Page has valid source maps
unitedbloodservices.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
N/A
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Unitedbloodservices.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Unitedbloodservices.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.
unitedbloodservices.org
Open Graph description is not detected on the main page of Unitedbloodservices. 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: