Tools & Wizards About Us
b.dl.redcrossblood.org screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

b.dl.redcrossblood.org

Download The Red Cross Blood Donor App | Red Cross Blood Services

Page Load Speed

2.1 sec in total

First Response

194 ms

Resources Loaded

1.4 sec

Page Rendered

504 ms

b.dl.redcrossblood.org screenshot

About Website

Click here to check amazing B Dl Red Cross Blood content for United States. Otherwise, check out these important facts you probably never knew about b.dl.redcrossblood.org

Download the Red Cross Blood Donor App. Our mobile app puts the power to save lives in the palm of your hand.

Visit b.dl.redcrossblood.org

Key Findings

We analyzed B.dl.redcrossblood.org page load time and found that the first response time was 194 ms and then it took 1.9 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

b.dl.redcrossblood.org performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value5.4 s

55/100

10%

TBT (Total Blocking Time)

Value1,950 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value19.0 s

3/100

10%

Network Requests Diagram

b.dl.redcrossblood.org

194 ms

b.dl.redcrossblood.org

347 ms

blood-donor-app.html

366 ms

css

31 ms

base.min.63a8b564f28bc4b61a8872bb0e10027f.css

73 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original B.dl.redcrossblood.org, 67% (31 requests) were made to Redcrossblood.org and 20% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (366 ms) relates to the external source Redcrossblood.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (79%)

Content Size

1.5 MB

After Optimization

327.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of B.dl.redcrossblood.org main page is 1.5 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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 53.3 kB

  • Original 63.7 kB
  • After minification 56.0 kB
  • After compression 10.4 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 7.8 kB, which is 12% 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 53.3 kB or 84% of the original size.

Image Optimization

-85%

Potential reduce by 1.1 MB

  • Original 1.4 MB
  • After minification 204.1 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, B Dl Red Cross Blood needs image optimization as it can save up to 1.1 MB or 85% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 113.1 kB
  • After minification 113.1 kB
  • After compression 113.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 11 (41%)

Requests Now

27

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of B Dl 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 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

b.dl.redcrossblood.org

b.dl.redcrossblood.org

194 ms

b.dl.redcrossblood.org

b.dl.redcrossblood.org

347 ms

blood-donor-app.html

blood-donor-app.html

366 ms

css

css

31 ms

base.min.63a8b564f28bc4b61a8872bb0e10027f.css

base.min.63a8b564f28bc4b61a8872bb0e10027f.css

73 ms

components.min.6d723401e3e3d8f4af4c5f54a3c36d98.css

components.min.6d723401e3e3d8f4af4c5f54a3c36d98.css

59 ms

dependencies.min.js

dependencies.min.js

43 ms

new-relic-content-prod.js

new-relic-content-prod.js

25 ms

launch-a1e85d51a3d8.min.js

launch-a1e85d51a3d8.min.js

62 ms

slick.min.1130334bcebaf790de22cff833de1ccd.css

slick.min.1130334bcebaf790de22cff833de1ccd.css

177 ms

slick.min.7c0218f5d7954369a0a18225d6cae09d.js

slick.min.7c0218f5d7954369a0a18225d6cae09d.js

242 ms

polyfills.min.js

polyfills.min.js

43 ms

base.min.js

base.min.js

175 ms

components.min.js

components.min.js

60 ms

locationdetection.min.js

locationdetection.min.js

174 ms

token.json

token.json

95 ms

4D299-9F5ZX-TKLEA-FQ49R-XHSY7

4D299-9F5ZX-TKLEA-FQ49R-XHSY7

112 ms

arc-biomed-logo.png.img.png

arc-biomed-logo.png.img.png

24 ms

find-a-drive-chevron.svg

find-a-drive-chevron.svg

44 ms

Blood-Drive-Start-Now.jpg.img.jpeg

Blood-Drive-Start-Now.jpg.img.jpeg

159 ms

DESKTOP%20HERO-APP.png

DESKTOP%20HERO-APP.png

57 ms

RCB-Google-Play.png

RCB-Google-Play.png

44 ms

RCB-App-Store.png

RCB-App-Store.png

77 ms

first_donation_small.png

first_donation_small.png

78 ms

appointment-today_small.png

appointment-today_small.png

80 ms

donation_history_small.png

donation_history_small.png

156 ms

blood_journey_small.png

blood_journey_small.png

158 ms

badges_small.png

badges_small.png

154 ms

QR%20GRAPHICS.png

QR%20GRAPHICS.png

155 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

23 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

31 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

45 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

44 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

57 ms

fa-v4compatibility.ttf

fa-v4compatibility.ttf

44 ms

fa-regular-400.ttf

fa-regular-400.ttf

80 ms

fa-brands-400.ttf

fa-brands-400.ttf

24 ms

fa-solid-900.ttf

fa-solid-900.ttf

50 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

24 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

24 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

22 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

21 ms

fa-solid-900.woff

fa-solid-900.woff

62 ms

fa-regular-400.woff

fa-regular-400.woff

146 ms

fa-brands-400.woff

fa-brands-400.woff

61 ms

config.json

config.json

51 ms

Accessibility Review

b.dl.redcrossblood.org accessibility score

98

Accessibility Issues

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

b.dl.redcrossblood.org best practices score

67

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

b.dl.redcrossblood.org SEO score

89

Search Engine Optimization Advices

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 B.dl.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 B.dl.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.

Social Sharing Optimization

b.dl.redcrossblood.org

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