Tools & Wizards About Us
aan.com screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

aan.com

Official AAN Home Page

Page Load Speed

2.1 sec in total

First Response

90 ms

Resources Loaded

1.8 sec

Page Rendered

253 ms

aan.com screenshot

About Website

Click here to check amazing AAN content for United States. Otherwise, check out these important facts you probably never knew about aan.com

The American Academy of Neurology represents more than 34,000 members and is dedicated to promoting the highest quality patient-centered care and enhancing member career satisfaction.

Visit aan.com

Key Findings

We analyzed Aan.com page load time and found that the first response time was 90 ms and then it took 2 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

aan.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value23,700 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.239

52/100

15%

TTI (Time to Interactive)

Value34.5 s

0/100

10%

Network Requests Diagram

aan.com

90 ms

www.aan.com

79 ms

www.aan.com

494 ms

main.css

183 ms

tooltipster.css

193 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 30% of them (20 requests) were addressed to the original Aan.com, 23% (15 requests) were made to Assets.aan.com and 6% (4 requests) were made to Oasc17.247realmedia.com. The less responsive or slowest element that took the longest time to load (494 ms) belongs to the original domain Aan.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 767.3 kB (53%)

Content Size

1.4 MB

After Optimization

670.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aan.com main page is 1.4 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 969.4 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 66.8 kB

  • Original 96.0 kB
  • After minification 87.8 kB
  • After compression 29.2 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 66.8 kB or 70% of the original size.

Image Optimization

-5%

Potential reduce by 15.8 kB

  • Original 302.6 kB
  • After minification 286.8 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. AAN images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 623.9 kB

  • Original 969.4 kB
  • After minification 962.8 kB
  • After compression 345.5 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 623.9 kB or 64% of the original size.

CSS Optimization

-87%

Potential reduce by 60.8 kB

  • Original 70.3 kB
  • After minification 44.7 kB
  • After compression 9.5 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. Aan.com needs all CSS files to be minified and compressed as it can save up to 60.8 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (56%)

Requests Now

57

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AAN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

aan.com

aan.com

90 ms

www.aan.com

www.aan.com

79 ms

www.aan.com

www.aan.com

494 ms

main.css

main.css

183 ms

tooltipster.css

tooltipster.css

193 ms

Home.css

Home.css

99 ms

jquery.min.js

jquery.min.js

102 ms

jquery-cookie.js

jquery-cookie.js

192 ms

addthis_widget.js

addthis_widget.js

83 ms

jquery.tooltipster.min.js

jquery.tooltipster.min.js

245 ms

aan.com.js

aan.com.js

248 ms

main.js

main.js

246 ms

Home.js

Home.js

134 ms

gtm.js

gtm.js

126 ms

sp.js

sp.js

156 ms

16AM%20Registration_Web%20m1.jpg

16AM%20Registration_Web%20m1.jpg

215 ms

16FreeMOC_Web_v2.jpg

16FreeMOC_Web_v2.jpg

144 ms

Web.jpg

Web.jpg

283 ms

without%20borders-web.jpg

without%20borders-web.jpg

281 ms

Innovations%20in%20Care%20Delivery-web.jpg

Innovations%20in%20Care%20Delivery-web.jpg

354 ms

HighlightsX30.png

HighlightsX30.png

336 ms

NeurologyX30.png

NeurologyX30.png

328 ms

ContinuumX30.png

ContinuumX30.png

327 ms

NeurologyTodayX30.png

NeurologyTodayX30.png

331 ms

NeurologyNowX30.png

NeurologyNowX30.png

332 ms

AAN-logo.png

AAN-logo.png

369 ms

AAN-logo-footer.png

AAN-logo-footer.png

369 ms

DefaultTheme-home.png

DefaultTheme-home.png

348 ms

DefaultTheme-page.png

DefaultTheme-page.png

78 ms

PrimaryMenu-border.png

PrimaryMenu-border.png

78 ms

AanDotCom.png

AanDotCom.png

79 ms

FeaturedStories-hero.png

FeaturedStories-hero.png

359 ms

Footer-border.png

Footer-border.png

94 ms

2518CA_3_0.woff

2518CA_3_0.woff

163 ms

DINWebPro-CondBold.woff

DINWebPro-CondBold.woff

143 ms

2518CA_1_0.woff

2518CA_1_0.woff

157 ms

2518CA_2_0.woff

2518CA_2_0.woff

162 ms

2518CA_4_0.woff

2518CA_4_0.woff

213 ms

fbevents.js

fbevents.js

215 ms

1.js

1.js

151 ms

analytics.js

analytics.js

153 ms

Icon

Icon

220 ms

300lo.json

300lo.json

121 ms

69 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

45 ms

dot.gif

dot.gif

22 ms

collect

collect

12 ms

@Right,Right2

@Right,Right2

12 ms

33452f506c3162555967554143614431

33452f506c3162555967554143614431

56 ms

moatad.js

moatad.js

61 ms

1380732025

1380732025

181 ms

17 ms

87 ms

1-fa-meningitis-300x250.jpg

1-fa-meningitis-300x250.jpg

84 ms

lidar.js

lidar.js

54 ms

sbhK2lTE.js

sbhK2lTE.js

52 ms

pixel.gif

pixel.gif

44 ms

cTrvNaRi.html

cTrvNaRi.html

17 ms

pixel.gif

pixel.gif

5 ms

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

4 ms

40 ms

nr-852.min.js

nr-852.min.js

104 ms

391 ms

inspectlet.js

inspectlet.js

136 ms

b3d5f43c0d

b3d5f43c0d

150 ms

90302832

90302832

71 ms

Accessibility Review

aan.com accessibility score

89

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

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

Best Practices

aan.com 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

aan.com SEO score

85

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aan.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Aan.com 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

aan.com

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