Tools & Wizards About Us
srtr.org screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% 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

  • 86

    SEO

    Google-friendlier than
    60% of websites

srtr.org

Find and Compare Transplant Programs

Page Load Speed

2 sec in total

First Response

77 ms

Resources Loaded

1.6 sec

Page Rendered

391 ms

srtr.org screenshot

About Website

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

SRTR supports the transplant community with analyses, in an effort to better patient results and experience. Data driven, improving patient outcomes is our number one goal.

Visit srtr.org

Key Findings

We analyzed Srtr.org page load time and found that the first response time was 77 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

srtr.org performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value1,370 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value28.8 s

0/100

10%

Network Requests Diagram

srtr.org

77 ms

srtr.org

451 ms

modern.css

267 ms

js

68 ms

MathJax.js

45 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 76% of them (50 requests) were addressed to the original Srtr.org, 5% (3 requests) were made to Cdnjs.cloudflare.com and 5% (3 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (451 ms) belongs to the original domain Srtr.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (39%)

Content Size

5.6 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Srtr.org main page is 5.6 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. 65% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 68.1 kB

  • Original 79.4 kB
  • After minification 55.0 kB
  • After compression 11.4 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 24.4 kB, which is 31% 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 68.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 7.5 kB

  • Original 2.8 MB
  • After minification 2.8 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. Srtr images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 1.7 MB

  • Original 2.2 MB
  • After minification 1.1 MB
  • After compression 505.6 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 1.7 MB or 77% of the original size.

CSS Optimization

-91%

Potential reduce by 377.4 kB

  • Original 413.2 kB
  • After minification 217.6 kB
  • After compression 35.8 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. Srtr.org needs all CSS files to be minified and compressed as it can save up to 377.4 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (67%)

Requests Now

58

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Srtr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

srtr.org

srtr.org

77 ms

srtr.org

srtr.org

451 ms

modern.css

modern.css

267 ms

js

js

68 ms

MathJax.js

MathJax.js

45 ms

bootstrap.min.css

bootstrap.min.css

50 ms

jquery.min.js

jquery.min.js

32 ms

popper.min.js

popper.min.js

23 ms

bootstrap.min.js

bootstrap.min.js

62 ms

HomePageCarousel.css

HomePageCarousel.css

101 ms

api.js

api.js

50 ms

require.js

require.js

143 ms

config.js

config.js

103 ms

srtr_logo-horizstack-large.png

srtr_logo-horizstack-large.png

81 ms

hexagon-blue_f30-01.png

hexagon-blue_f30-01.png

218 ms

speech-bub_wht_f30-01.png

speech-bub_wht_f30-01.png

318 ms

kidney-blue_f30-01.png

kidney-blue_f30-01.png

290 ms

pexels-3183150-wht_f502.png

pexels-3183150-wht_f502.png

290 ms

abstract3-blue_f30-01.jpg

abstract3-blue_f30-01.jpg

329 ms

abstract2-blue_f30.jpg

abstract2-blue_f30.jpg

374 ms

x-square.png

x-square.png

289 ms

linkedin-logo.jpg

linkedin-logo.jpg

291 ms

youtube.png

youtube.png

292 ms

hhs.gif

hhs.gif

295 ms

hrsa.gif

hrsa.gif

304 ms

optn.gif

optn.gif

329 ms

organdonor.gif

organdonor.gif

332 ms

arrow-down_white.svg

arrow-down_white.svg

309 ms

TeX-MML-AM_CHTML.js

TeX-MML-AM_CHTML.js

42 ms

opensans-bold-webfont.woff

opensans-bold-webfont.woff

278 ms

opensans-regular-webfont.woff

opensans-regular-webfont.woff

291 ms

montserrat-bold-webfont.woff

montserrat-bold-webfont.woff

291 ms

montserrat-regular-webfont.woff

montserrat-regular-webfont.woff

291 ms

recaptcha__en.js

recaptcha__en.js

76 ms

main.js

main.js

190 ms

fallback

fallback

24 ms

fallback__ltr.css

fallback__ltr.css

4 ms

css

css

29 ms

logo_48.png

logo_48.png

4 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

51 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

55 ms

print.css

print.css

102 ms

App.js

App.js

39 ms

modernizr.js

modernizr.js

70 ms

index.js

index.js

38 ms

index.js

index.js

37 ms

index.js

index.js

39 ms

angular.js

angular.js

356 ms

SearchResultsHeaderController.js

SearchResultsHeaderController.js

119 ms

ProgramSummaryController.js

ProgramSummaryController.js

118 ms

TimelineDirectiveController.js

TimelineDirectiveController.js

119 ms

TimelineDirective.js

TimelineDirective.js

119 ms

CenterDataService.js

CenterDataService.js

119 ms

NavigationController.js

NavigationController.js

118 ms

ValidateFormController.js

ValidateFormController.js

119 ms

PaginationController.js

PaginationController.js

119 ms

ValidateFormDirective.js

ValidateFormDirective.js

120 ms

PaginationDirective.js

PaginationDirective.js

119 ms

module.js

module.js

37 ms

jquery.js

jquery.js

109 ms

async.js

async.js

37 ms

module.js

module.js

36 ms

module.js

module.js

37 ms

jquery.validate.js

jquery.validate.js

74 ms

chart.min.js

chart.min.js

117 ms

js

js

105 ms

Accessibility Review

srtr.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.

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

srtr.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

srtr.org SEO score

86

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 Srtr.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 Srtr.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

srtr.org

Open Graph description is not detected on the main page of Srtr. 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: