Tools & Wizards About Us
aaos.org screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

aaos.org

American Academy of Orthopaedic Surgeons AAOS

Page Load Speed

2.3 sec in total

First Response

17 ms

Resources Loaded

1.7 sec

Page Rendered

557 ms

aaos.org screenshot

About Website

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

The American Academy of Orthopaedic Surgeons (AAOS) provides education programs for orthopaedic surgeons and allied health professionals, champions and advances the highest quality musculoskeletal car...

Visit aaos.org

Key Findings

We analyzed Aaos.org page load time and found that the first response time was 17 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

aaos.org performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value16.7 s

0/100

25%

SI (Speed Index)

Value33.5 s

0/100

10%

TBT (Total Blocking Time)

Value3,930 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.195

63/100

15%

TTI (Time to Interactive)

Value57.8 s

0/100

10%

Network Requests Diagram

aaos.org

17 ms

www.aaos.org

477 ms

gtm.js

90 ms

gtm.js

138 ms

8803.js

57 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 38% of them (28 requests) were addressed to the original Aaos.org, 8% (6 requests) were made to Googletagmanager.com and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Aaos.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.8 MB (52%)

Content Size

5.5 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aaos.org main page is 5.5 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. Javascripts take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 55.7 kB

  • Original 71.6 kB
  • After minification 55.6 kB
  • After compression 15.8 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 15.9 kB, which is 22% 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 55.7 kB or 78% of the original size.

Image Optimization

-8%

Potential reduce by 72.0 kB

  • Original 953.6 kB
  • After minification 881.6 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. AAOS images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 2.4 MB

  • Original 4.1 MB
  • After minification 4.0 MB
  • After compression 1.7 MB

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 2.4 MB or 58% of the original size.

CSS Optimization

-83%

Potential reduce by 327.6 kB

  • Original 394.8 kB
  • After minification 394.8 kB
  • After compression 67.1 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. Aaos.org needs all CSS files to be minified and compressed as it can save up to 327.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (58%)

Requests Now

65

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AAOS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

aaos.org

aaos.org

17 ms

www.aaos.org

www.aaos.org

477 ms

gtm.js

gtm.js

90 ms

gtm.js

gtm.js

138 ms

8803.js

8803.js

57 ms

gpt.js

gpt.js

136 ms

analytics.js

analytics.js

43 ms

hotjar-2292898.js

hotjar-2292898.js

180 ms

sidebarv2.js

sidebarv2.js

52 ms

shared.min.css

shared.min.css

503 ms

sharethis.min.js

sharethis.min.js

491 ms

es6-promise.min.js

es6-promise.min.js

41 ms

es6-promise.auto.min.js

es6-promise.auto.min.js

48 ms

aaos-logo-image-1.svg

aaos-logo-image-1.svg

427 ms

board-approved-hero-image.png

board-approved-hero-image.png

178 ms

am25_cfa_cta1_may2024.png

am25_cfa_cta1_may2024.png

232 ms

2023-cap_cta.png

2023-cap_cta.png

165 ms

codex-tablet_li-x.jpg

codex-tablet_li-x.jpg

220 ms

orthopitch_2025_featured-webcard.gif

orthopitch_2025_featured-webcard.gif

844 ms

ondemand-store-120x120px.png

ondemand-store-120x120px.png

218 ms

coding_guide_package_120x120.jpg

coding_guide_package_120x120.jpg

218 ms

ppp_120x120.jpg

ppp_120x120.jpg

412 ms

courses-ondemand_store.jpg

courses-ondemand_store.jpg

411 ms

oku-14-sae-package.png

oku-14-sae-package.png

502 ms

icl360-120x120.jpg

icl360-120x120.jpg

524 ms

arthrex-logo_black.png

arthrex-logo_black.png

602 ms

depuy-synthes_logo_wsig_pos_pms.png

depuy-synthes_logo_wsig_pos_pms.png

623 ms

sn_wordmark_rgb_orange.png

sn_wordmark_rgb_orange.png

630 ms

stryker.png

stryker.png

630 ms

zimmer-biomet.png

zimmer-biomet.png

630 ms

find.js

find.js

43 ms

jquery.onscreen.js

jquery.onscreen.js

94 ms

shared.bundle.min.js

shared.bundle.min.js

1080 ms

aaos-logo-footer.svg

aaos-logo-footer.svg

707 ms

aaos.org-footer-img-app-store-badge.png

aaos.org-footer-img-app-store-badge.png

727 ms

aaos.org-footer-img-google-play-badge.png

aaos.org-footer-img-google-play-badge.png

728 ms

www.aaos.org.json

www.aaos.org.json

23 ms

embed.js

embed.js

67 ms

js

js

91 ms

destination

destination

295 ms

uwt.js

uwt.js

331 ms

collect

collect

76 ms

fbevents.js

fbevents.js

486 ms

insight.min.js

insight.min.js

479 ms

boomerang.min.js

boomerang.min.js

447 ms

munchkin.js

munchkin.js

476 ms

8286478868.js

8286478868.js

367 ms

20984690.js

20984690.js

446 ms

pubads_impl.js

pubads_impl.js

539 ms

ppub_config

ppub_config

610 ms

modules.842bcec28f9fd12bb79e.js

modules.842bcec28f9fd12bb79e.js

576 ms

collect

collect

505 ms

js

js

291 ms

gtm.js

gtm.js

398 ms

pixel

pixel

497 ms

portal.html

portal.html

120 ms

ai.2.min.js

ai.2.min.js

397 ms

adsct

adsct

398 ms

adsct

adsct

397 ms

adsct

adsct

321 ms

adsct

adsct

382 ms

OpenSans-Regular-webfont.woff

OpenSans-Regular-webfont.woff

311 ms

OpenSans-Semibold-webfont.woff

OpenSans-Semibold-webfont.woff

192 ms

aaos-glyphs.ttf

aaos-glyphs.ttf

373 ms

OpenSans-Bold-webfont.woff

OpenSans-Bold-webfont.woff

191 ms

banner.js

banner.js

301 ms

web-interactives-embed.js

web-interactives-embed.js

300 ms

20984690.js

20984690.js

301 ms

munchkin.js

munchkin.js

157 ms

ga-audiences

ga-audiences

336 ms

bounce

bounce

80 ms

94 ms

collect

collect

28 ms

Accessibility Review

aaos.org accessibility score

83

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

aaos.org 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

Missing source maps for large first-party JavaScript

SEO Factors

aaos.org SEO score

85

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Aaos.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 Aaos.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

aaos.org

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