Tools & Wizards About Us
enroll.23andme.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

enroll.23andme.com

DNA Genetic Testing For Health, Ancestry And More - 23andMe

Page Load Speed

1.7 sec in total

First Response

35 ms

Resources Loaded

1 sec

Page Rendered

629 ms

enroll.23andme.com screenshot

About Website

Welcome to enroll.23andme.com homepage info - get ready to check Enroll 23andMe best content for United States right away, or after learning these important things about enroll.23andme.com

23andMe offers DNA testing with the most comprehensive ancestry breakdown, personalized health insights and more.

Visit enroll.23andme.com

Key Findings

We analyzed Enroll.23andme.com page load time and found that the first response time was 35 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

enroll.23andme.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value24.2 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value1,760 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.199

62/100

15%

TTI (Time to Interactive)

Value19.5 s

2/100

10%

Network Requests Diagram

enroll.23andme.com

35 ms

www.23andme.com

287 ms

27075387.js

41 ms

658df77c5a315180.css

36 ms

f91c75e60e02866d.css

63 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Enroll.23andme.com, 92% (70 requests) were made to 23andme.com and 4% (3 requests) were made to Cdn.heapanalytics.com. The less responsive or slowest element that took the longest time to load (312 ms) relates to the external source 23andme.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 203.0 kB (23%)

Content Size

898.6 kB

After Optimization

695.6 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Enroll.23andme.com main page is 898.6 kB. 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. Javascripts take 594.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 201.8 kB

  • Original 240.9 kB
  • After minification 239.8 kB
  • After compression 39.2 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 201.8 kB or 84% of the original size.

JavaScript Optimization

-0%

Potential reduce by 747 B

  • Original 594.3 kB
  • After minification 594.3 kB
  • After compression 593.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 486 B

  • Original 63.4 kB
  • After minification 63.4 kB
  • After compression 62.9 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. Enroll.23andme.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 51 (70%)

Requests Now

73

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Enroll 23andMe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

enroll.23andme.com

enroll.23andme.com

35 ms

www.23andme.com

www.23andme.com

287 ms

27075387.js

27075387.js

41 ms

658df77c5a315180.css

658df77c5a315180.css

36 ms

f91c75e60e02866d.css

f91c75e60e02866d.css

63 ms

4c70c9f2345a203e.css

4c70c9f2345a203e.css

73 ms

9fb2c4e88be45973.css

9fb2c4e88be45973.css

70 ms

859d2ce6d74e0477.css

859d2ce6d74e0477.css

72 ms

51fccf67ca6af9aa.css

51fccf67ca6af9aa.css

69 ms

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75 ms

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99 ms

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95 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

136 ms

8357-c5a7b3a93dcf4906.js

8357-c5a7b3a93dcf4906.js

135 ms

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9222.1b5820eb2bd8f668.js

134 ms

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6355.6ce104da3ced063e.js

135 ms

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152 ms

1386.7130601fc57815d9.js

1386.7130601fc57815d9.js

169 ms

webpack-ac242ffd1bf1e115.js

webpack-ac242ffd1bf1e115.js

170 ms

framework-ca706bf673a13738.js

framework-ca706bf673a13738.js

168 ms

main-f699e7d0e9fec979.js

main-f699e7d0e9fec979.js

176 ms

_app-874af513e4808cea.js

_app-874af513e4808cea.js

175 ms

94726e6d-807c1d47e26513c1.js

94726e6d-807c1d47e26513c1.js

174 ms

9582-61e327e14d4c8c30.js

9582-61e327e14d4c8c30.js

189 ms

9755-6eee9544b33cb635.js

9755-6eee9544b33cb635.js

191 ms

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195 ms

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194 ms

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2573-ef212bbce6e9e49e.js

191 ms

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203 ms

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205 ms

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207 ms

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233 ms

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218 ms

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239 ms

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312 ms

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310 ms

index-b0bb25c4d18c29ca.js

index-b0bb25c4d18c29ca.js

242 ms

_buildManifest.js

_buildManifest.js

239 ms

_ssgManifest.js

_ssgManifest.js

309 ms

heap-244557998.js

heap-244557998.js

112 ms

gtm.js

gtm.js

112 ms

ttam-toggle-active.7213f62c.svg

ttam-toggle-active.7213f62c.svg

270 ms

lemonaid-toggle-inactive.8cf5c6df.svg

lemonaid-toggle-inactive.8cf5c6df.svg

256 ms

mobile-gray.5c8acbea.svg

mobile-gray.5c8acbea.svg

247 ms

caret.d8c670e4.svg

caret.d8c670e4.svg

250 ms

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plus-sign-plain.5b78af43.svg

plus-sign-plain.5b78af43.svg

241 ms

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afib.465a9989.svg

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201 ms

alzheimers.05dc5227.svg

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197 ms

type-2-diabetes.ed9016d1.svg

type-2-diabetes.ed9016d1.svg

249 ms

cancer.9a09fd43.svg

cancer.9a09fd43.svg

211 ms

container.js

container.js

22 ms

mental-health.0fae1630.svg

mental-health.0fae1630.svg

199 ms

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x-gray7.2bb6bad1.svg

206 ms

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ic_play.985ec3a7.svg

208 ms

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success.b0fba779.svg

success.b0fba779.svg

219 ms

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252 ms

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249 ms

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251 ms

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twitter-x.9fcafa9e.svg

251 ms

linkedin.1c444d89.svg

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265 ms

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tiktok.2ee7f475.svg

240 ms

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244 ms

redeem-button.svg

redeem-button.svg

253 ms

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play-default-pink.svg

254 ms

play-hover-dark-pink.svg

play-hover-dark-pink.svg

236 ms

faq-ic-add-pink.svg

faq-ic-add-pink.svg

243 ms

releasesettings

releasesettings

35 ms

auryc.lib.js

auryc.lib.js

5 ms

Accessibility Review

enroll.23andme.com accessibility score

91

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Best Practices

enroll.23andme.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Browser errors were logged to the console

SEO Factors

enroll.23andme.com SEO score

75

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

Document doesn't have a valid hreflang

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 Enroll.23andme.com 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 Enroll.23andme.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

enroll.23andme.com

Open Graph data is detected on the main page of Enroll 23andMe. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: