Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

nwblood.redcross.org

Local Blood Drives & Donation Centers Near You | Red Cross

Page Load Speed

930 ms in total

First Response

204 ms

Resources Loaded

654 ms

Page Rendered

72 ms

nwblood.redcross.org screenshot

About Website

Click here to check amazing Nw Blood Red Cross content for United States. Otherwise, check out these important facts you probably never knew about nwblood.redcross.org

American Red Cross has blood drives and blood donation centers across the United States. Search for a blood donation location near you.

Visit nwblood.redcross.org

Key Findings

We analyzed Nwblood.redcross.org page load time and found that the first response time was 204 ms and then it took 726 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

nwblood.redcross.org performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value1,290 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.407

24/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

local-homepage.html

204 ms

css

55 ms

base.min.6211cab6bcb03a9a5e810af9a2acdd68.css

28 ms

components.min.81dc1a3a058ba97b7ea6d19955ac0551.css

24 ms

dependencies.min.js

53 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Nwblood.redcross.org, 23% (9 requests) were made to Fonts.gstatic.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (289 ms) relates to the external source Redcrossblood.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 412.9 kB (56%)

Content Size

731.1 kB

After Optimization

318.2 kB

In fact, the total size of Nwblood.redcross.org main page is 731.1 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. 60% of websites need less resources to load. Javascripts take 619.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 38.4 kB

  • Original 47.5 kB
  • After minification 42.7 kB
  • After compression 9.2 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 38.4 kB or 81% of the original size.

Image Optimization

-12%

Potential reduce by 8.0 kB

  • Original 63.7 kB
  • After minification 55.7 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, Nw Blood Red Cross needs image optimization as it can save up to 8.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 366.6 kB

  • Original 619.9 kB
  • After minification 619.9 kB
  • After compression 253.3 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 366.6 kB or 59% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (65%)

Requests Now

23

After Optimization

8

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nw 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 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nwblood.redcross.org accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Links do not have a discernible name

Best Practices

nwblood.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

nwblood.redcross.org SEO score

88

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 Nwblood.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 Nwblood.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

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