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arcblood.redcross.org screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

arcblood.redcross.org

Donate Blood | Find a Local Blood Drive | American Red Cross

Page Load Speed

2.3 sec in total

First Response

184 ms

Resources Loaded

1.4 sec

Page Rendered

686 ms

arcblood.redcross.org screenshot

About Website

Visit arcblood.redcross.org now to see the best up-to-date Arc Blood Red Cross content for United States and also check out these interesting facts you probably never knew about arcblood.redcross.org

Giving blood is a simple thing to do, but it can make a big difference in the lives of others. Make a blood donation appointment with the American Red Cross today.

Visit arcblood.redcross.org

Key Findings

We analyzed Arcblood.redcross.org page load time and found that the first response time was 184 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

arcblood.redcross.org performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value3,530 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value19.4 s

2/100

10%

Network Requests Diagram

give-blood

184 ms

give-blood.html

339 ms

css

57 ms

base.min.38c753fae68ea793cf4581c563241e7d.css

44 ms

components.min.a5a85e73bbb5b25b40c4e90ded0cfbef.css

24 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Arcblood.redcross.org, 23% (16 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (375 ms) relates to the external source Support.redcrossblood.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 782.1 kB (28%)

Content Size

2.8 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Arcblood.redcross.org main page is 2.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 74.2 kB

  • Original 87.8 kB
  • After minification 75.6 kB
  • After compression 13.5 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 12.2 kB, which is 14% 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 74.2 kB or 85% of the original size.

Image Optimization

-11%

Potential reduce by 197.1 kB

  • Original 1.8 MB
  • After minification 1.6 MB

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, Arc Blood Red Cross needs image optimization as it can save up to 197.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-56%

Potential reduce by 510.8 kB

  • Original 914.8 kB
  • After minification 914.8 kB
  • After compression 404.0 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 510.8 kB or 56% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (39%)

Requests Now

44

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Arc Blood Red Cross. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

give-blood

give-blood

184 ms

give-blood.html

give-blood.html

339 ms

css

css

57 ms

base.min.38c753fae68ea793cf4581c563241e7d.css

base.min.38c753fae68ea793cf4581c563241e7d.css

44 ms

components.min.a5a85e73bbb5b25b40c4e90ded0cfbef.css

components.min.a5a85e73bbb5b25b40c4e90ded0cfbef.css

24 ms

dependencies.min.js

dependencies.min.js

42 ms

new-relic-content-prod.js

new-relic-content-prod.js

24 ms

launch-b67461f3859d.min.js

launch-b67461f3859d.min.js

42 ms

slick.min.60b63101d7aa0457930f2272e5a9e9b5.css

slick.min.60b63101d7aa0457930f2272e5a9e9b5.css

39 ms

slick.min.4afaabaef6ed241e1280cf45a2dfa7d1.js

slick.min.4afaabaef6ed241e1280cf45a2dfa7d1.js

41 ms

polyfills.min.js

polyfills.min.js

133 ms

base.min.js

base.min.js

234 ms

components.min.js

components.min.js

137 ms

locationdetection.min.js

locationdetection.min.js

131 ms

token.json

token.json

149 ms

G5EYL-3FTNM-K2QN3-FX5YQ-53AZH

G5EYL-3FTNM-K2QN3-FX5YQ-53AZH

99 ms

beHeroDonor

beHeroDonor

375 ms

redcross-logo.png.img.png

redcross-logo.png.img.png

226 ms

Donate-Promo-Jul24-255x217.jpg.img.jpeg

Donate-Promo-Jul24-255x217.jpg.img.jpeg

225 ms

Give_blood_help_save_lives.jpg.img.jpeg

Give_blood_help_save_lives.jpg.img.jpeg

225 ms

TS-Lifeguarding-promo-box.jpg.img.jpeg

TS-Lifeguarding-promo-box.jpg.img.jpeg

254 ms

Vol-Disaster-Spec-255x217.jpg.img.jpeg

Vol-Disaster-Spec-255x217.jpg.img.jpeg

225 ms

wildfire-255x217.jpg.img.jpeg

wildfire-255x217.jpg.img.jpeg

225 ms

twisters_truck_DT_Hero.jpg

twisters_truck_DT_Hero.jpg

274 ms

image.jpeg

image.jpeg

256 ms

image.jpeg

image.jpeg

256 ms

image.jpeg

image.jpeg

255 ms

image.jpeg

image.jpeg

254 ms

image.jpeg

image.jpeg

267 ms

image.png

image.png

272 ms

image.jpeg

image.jpeg

262 ms

image.png

image.png

262 ms

image.png

image.png

267 ms

image.jpeg

image.jpeg

296 ms

image.png

image.png

277 ms

image.jpeg

image.jpeg

281 ms

image.jpeg

image.jpeg

312 ms

image.png

image.png

290 ms

image.jpeg

image.jpeg

285 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

28 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

37 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

38 ms

config.json

config.json

147 ms

locdet.min.js

locdet.min.js

215 ms

KFOlCnqEu92Fr1MmYUtfChc9.ttf

KFOlCnqEu92Fr1MmYUtfChc9.ttf

12 ms

KFOlCnqEu92Fr1MmWUlfChc9.ttf

KFOlCnqEu92Fr1MmWUlfChc9.ttf

20 ms

KFOmCnqEu92Fr1Mu7GxP.ttf

KFOmCnqEu92Fr1Mu7GxP.ttf

21 ms

KFOlCnqEu92Fr1MmSU5fChc9.ttf

KFOlCnqEu92Fr1MmSU5fChc9.ttf

21 ms

rco-icon.ttf

rco-icon.ttf

204 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

201 ms

fa-solid-900.ttf

fa-solid-900.ttf

257 ms

fa-solid-900.woff

fa-solid-900.woff

207 ms

fa-regular-400.ttf

fa-regular-400.ttf

284 ms

fa-regular-400.woff

fa-regular-400.woff

207 ms

fa-brands-400.ttf

fa-brands-400.ttf

206 ms

fa-brands-400.woff

fa-brands-400.woff

257 ms

WA-en-cf461481d56f1e56aa870f98218b501b.js

WA-en-cf461481d56f1e56aa870f98218b501b.js

4 ms

WA-70839cda0b8c2a1d4b025f0ca36ccd71.js

WA-70839cda0b8c2a1d4b025f0ca36ccd71.js

10 ms

css2

css2

46 ms

css2

css2

46 ms

js

js

88 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

38 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4n.ttf

37 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

35 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

37 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1y4n.ttf

52 ms

KFOlCnqEu92Fr1MmEU9vAw.ttf

KFOlCnqEu92Fr1MmEU9vAw.ttf

18 ms

KFOmCnqEu92Fr1Me5Q.ttf

KFOmCnqEu92Fr1Me5Q.ttf

18 ms

KFOlCnqEu92Fr1MmSU5vAw.ttf

KFOlCnqEu92Fr1MmSU5vAw.ttf

18 ms

KFOlCnqEu92Fr1MmWUlvAw.ttf

KFOlCnqEu92Fr1MmWUlvAw.ttf

18 ms

Accessibility Review

arcblood.redcross.org accessibility score

88

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

arcblood.redcross.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

arcblood.redcross.org SEO score

75

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

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Arcblood.redcross.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 Arcblood.redcross.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.

Social Sharing Optimization

arcblood.redcross.org

Open Graph data is detected on the main page of Arc Blood Red Cross. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: