5.4 sec in total
2.1 sec
3.1 sec
261 ms
Click here to check amazing San Diego Blood Bank content for United States. Otherwise, check out these important facts you probably never knew about sandiegobloodbank.org
Visit sandiegobloodbank.orgWe analyzed Sandiegobloodbank.org page load time and found that the first response time was 2.1 sec and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
sandiegobloodbank.org performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value5.3 s
22/100
25%
Value4.7 s
69/100
10%
Value2,460 ms
5/100
30%
Value0
100/100
15%
Value15.6 s
6/100
10%
2078 ms
219 ms
276 ms
279 ms
280 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 83% of them (52 requests) were addressed to the original Sandiegobloodbank.org, 6% (4 requests) were made to Match.adsrvr.org and 3% (2 requests) were made to Js.adsrvr.org. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Sandiegobloodbank.org.
Page size can be reduced by 235.7 kB (43%)
544.0 kB
308.3 kB
In fact, the total size of Sandiegobloodbank.org main page is 544.0 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. 30% of websites need less resources to load. Images take 263.1 kB which makes up the majority of the site volume.
Potential reduce by 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 23.8 kB or 78% of the original size.
Potential reduce by 38.5 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, San Diego Blood Bank needs image optimization as it can save up to 38.5 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 133.2 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 133.2 kB or 67% of the original size.
Potential reduce by 40.3 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. Sandiegobloodbank.org needs all CSS files to be minified and compressed as it can save up to 40.3 kB or 77% of the original size.
Number of requests can be reduced by 11 (19%)
59
48
The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of San Diego Blood Bank. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
sandiegobloodbank.org
2078 ms
css_8S-dpGC1dEqeAhwciZHNMDDWg3y0BVczNFCyD87xT3o.css
219 ms
css_f68KjlLz74xF1jgdP0YoRROX5Ba5hk1SC8RNTCCtXJU.css
276 ms
css_uERYm9Ee4VmYhst31yOGUm21hufI4UX1RNu1n_hMb9E.css
279 ms
css_ml6ppBcZCG5IL7o-XNEbHHWP6gog6QSR4vlpWF7jr0E.css
280 ms
js_m1OCmgU-ZAMznppomtRk60DBslOowUbVG4K6gMKdwCM.js
469 ms
js_R9UbiVw2xuTUI0GZoaqMDOdX0lrZtgX-ono8RVOUEVc.js
137 ms
js_pAj6ojTWeO6Sy44oPNjmB26e99V9fPEAXpbEYB9MolU.js
540 ms
js_8WYjCSsZ5PcGj1Oe49D9xqWZkT0le4-UuxlGzjNiieI.js
221 ms
js_AHyBAYZMC0aoLby7IhzDcekyKo2__10bztcN6PSiv_g.js
279 ms
up_loader.1.1.0.js
31 ms
ga.js
62 ms
tag-line.jpg
75 ms
bg_tile-x.jpg
78 ms
sdbb_logo.png
78 ms
bg.jpg
76 ms
home.jpg
76 ms
donate-blood.jpg
77 ms
drop_btm_bg.png
77 ms
drop_top.png
147 ms
my.jpg
145 ms
store.jpg
147 ms
finacial.jpg
145 ms
hospitals.jpg
146 ms
careers.png
149 ms
search_bg.jpg
213 ms
go_btn.png
214 ms
SDBB%20Web-%20platelets%20banner.png
280 ms
banner-350-components.png
419 ms
SDBB%20Web-%20drive%20alive%20banner.png
352 ms
SDBB%20Web-%20volunteer%20banner.png
283 ms
sprite-banner-pager.png
282 ms
bg_content-tile-y.png
283 ms
platelet-donor_0.jpg
347 ms
cta-home-donor-stories.jpg
349 ms
abos.jpg
350 ms
vista.jpg
353 ms
cta-home-bottom-bar.jpg
440 ms
bg_content-tile-y-side.png
438 ms
homeTitle-underline.jpg
438 ms
homeTitle-news&events.jpg
439 ms
bg_rightinner-login.jpg
440 ms
bg_rightinner-social.jpg
485 ms
bg_rightinner-videos.jpg
492 ms
grossmont-logo.png
131 ms
biocom_logoh.png
274 ms
las%20patronas%20v2(1).png
408 ms
btn_donor-login.jpg
205 ms
btn_organizer-login.jpg
206 ms
social_fb.jpg
220 ms
social_tt.jpg
199 ms
social_rss.jpg
269 ms
video-placeholder.jpg
274 ms
up
38 ms
__utm.gif
15 ms
19 ms
universal_pixel.1.1.1.js
3 ms
pixel
37 ms
pixel
14 ms
generic
5 ms
6 ms
generic
4 ms
css_mDxCF8ImVBb6oiL7Rq6KarwvxmvDV5PjnhYNE29pt_0.css
70 ms
sandiegobloodbank.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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
sandiegobloodbank.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
sandiegobloodbank.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
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 Sandiegobloodbank.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 Sandiegobloodbank.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.
sandiegobloodbank.org
Open Graph description is not detected on the main page of San Diego Blood Bank. 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: