Tools & Wizards About Us

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

vitalant.org

Donate Blood, Plasma and Platelets | Vitalant

Page Load Speed

4.1 sec in total

First Response

667 ms

Resources Loaded

2.6 sec

Page Rendered

835 ms

About Website

Visit vitalant.org now to see the best up-to-date Vitalant content for United States and also check out these interesting facts you probably never knew about vitalant.org

home page

Visit vitalant.org

Key Findings

We analyzed Vitalant.org page load time and found that the first response time was 667 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

vitalant.org performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value29.0 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value1,870 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.075

95/100

15%

TTI (Time to Interactive)

Value24.5 s

0/100

10%

Network Requests Diagram

www.vitalant.org

667 ms

dwh8dqh.css

39 ms

bootstrap.min.css

30 ms

main.css

455 ms

systemPageComponents.min.css

316 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 57% of them (38 requests) were addressed to the original Vitalant.org, 9% (6 requests) were made to Use.typekit.net and 7% (5 requests) were made to App.five9.com. The less responsive or slowest element that took the longest time to load (667 ms) belongs to the original domain Vitalant.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 230.3 kB (20%)

Content Size

1.2 MB

After Optimization

928.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vitalant.org main page is 1.2 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. 70% of websites need less resources to load. Javascripts take 519.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 73.1 kB

  • Original 89.5 kB
  • After minification 72.2 kB
  • After compression 16.4 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 17.3 kB, which is 19% 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 73.1 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 6.0 kB

  • Original 435.2 kB
  • After minification 429.1 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. Vitalant images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 109.9 kB

  • Original 519.9 kB
  • After minification 519.8 kB
  • After compression 410.0 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 109.9 kB or 21% of the original size.

CSS Optimization

-36%

Potential reduce by 41.3 kB

  • Original 113.9 kB
  • After minification 113.9 kB
  • After compression 72.6 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. Vitalant.org needs all CSS files to be minified and compressed as it can save up to 41.3 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (52%)

Requests Now

56

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vitalant. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vitalant.org accessibility score

86

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

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

High

Image elements do not have [alt] attributes

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

vitalant.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vitalant.org SEO score

77

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

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 Vitalant.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 Vitalant.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 description is not detected on the main page of Vitalant. 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: