Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

optn.transplant.hrsa.gov

OPTN: Organ Procurement and Transplantation Network - OPTN

Page Load Speed

3 sec in total

First Response

43 ms

Resources Loaded

2.7 sec

Page Rendered

260 ms

About Website

Welcome to optn.transplant.hrsa.gov homepage info - get ready to check OPTN Transplant Hrsa best content for United States right away, or after learning these important things about optn.transplant.hrsa.gov

The OPTN is operated under contract with the U.S. Dept. of Health and Human Services by the United Network for Organ Sharing (UNOS). This Web site provides data and educational information about organ...

Visit optn.transplant.hrsa.gov

Key Findings

We analyzed Optn.transplant.hrsa.gov page load time and found that the first response time was 43 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

optn.transplant.hrsa.gov performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value13.7 s

10/100

10%

Network Requests Diagram

optn.transplant.hrsa.gov

43 ms

optn.transplant.hrsa.gov

240 ms

gtm.js

53 ms

bootstrap.min.css

42 ms

custom.css

89 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 69% of them (33 requests) were addressed to the original Optn.transplant.hrsa.gov, 13% (6 requests) were made to Google.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Optn.transplant.hrsa.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 741.8 kB (47%)

Content Size

1.6 MB

After Optimization

836.0 kB

In fact, the total size of Optn.transplant.hrsa.gov main page is 1.6 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. 40% of websites need less resources to load. Javascripts take 641.4 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 61.8 kB

  • Original 73.3 kB
  • After minification 49.8 kB
  • After compression 11.5 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 23.4 kB, which is 32% 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 61.8 kB or 84% of the original size.

Image Optimization

-13%

Potential reduce by 65.2 kB

  • Original 516.4 kB
  • After minification 451.1 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, OPTN Transplant Hrsa needs image optimization as it can save up to 65.2 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-50%

Potential reduce by 323.3 kB

  • Original 641.4 kB
  • After minification 639.6 kB
  • After compression 318.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 323.3 kB or 50% of the original size.

CSS Optimization

-84%

Potential reduce by 291.5 kB

  • Original 346.8 kB
  • After minification 295.5 kB
  • After compression 55.3 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. Optn.transplant.hrsa.gov needs all CSS files to be minified and compressed as it can save up to 291.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (41%)

Requests Now

44

After Optimization

26

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OPTN Transplant Hrsa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

optn.transplant.hrsa.gov accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

optn.transplant.hrsa.gov best practices score

92

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

Page has valid source maps

SEO Factors

optn.transplant.hrsa.gov SEO score

91

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

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 Optn.transplant.hrsa.gov 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 Optn.transplant.hrsa.gov 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 OPTN Transplant Hrsa. 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: