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

Report Summary

  • 16

    Performance

    Renders faster than
    30% 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

marketing.23andme.com

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

Page Load Speed

1.6 sec in total

First Response

32 ms

Resources Loaded

812 ms

Page Rendered

713 ms

marketing.23andme.com screenshot

About Website

Click here to check amazing Marketing 23andMe content for United States. Otherwise, check out these important facts you probably never knew about marketing.23andme.com

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

Visit marketing.23andme.com

Key Findings

We analyzed Marketing.23andme.com page load time and found that the first response time was 32 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

marketing.23andme.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value24.9 s

0/100

25%

SI (Speed Index)

Value10.2 s

9/100

10%

TBT (Total Blocking Time)

Value5,430 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.199

62/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

Network Requests Diagram

marketing.23andme.com

32 ms

www.23andme.com

286 ms

27075387.js

57 ms

658df77c5a315180.css

72 ms

f91c75e60e02866d.css

82 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Marketing.23andme.com, 95% (70 requests) were made to 23andme.com and 3% (2 requests) were made to Cdn.heapanalytics.com. The less responsive or slowest element that took the longest time to load (318 ms) relates to the external source 23andme.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 203.0 kB (29%)

Content Size

705.5 kB

After Optimization

502.5 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Marketing.23andme.com main page is 705.5 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 401.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 201.6 kB

  • Original 240.8 kB
  • After minification 239.6 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 201.6 kB or 84% of the original size.

JavaScript Optimization

-0%

Potential reduce by 676 B

  • Original 401.3 kB
  • After minification 401.3 kB
  • After compression 400.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 670 B

  • Original 63.4 kB
  • After minification 63.4 kB
  • After compression 62.7 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. Marketing.23andme.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 50 (70%)

Requests Now

71

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Marketing 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 30 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

marketing.23andme.com

marketing.23andme.com

32 ms

www.23andme.com

www.23andme.com

286 ms

27075387.js

27075387.js

57 ms

658df77c5a315180.css

658df77c5a315180.css

72 ms

f91c75e60e02866d.css

f91c75e60e02866d.css

82 ms

4c70c9f2345a203e.css

4c70c9f2345a203e.css

79 ms

9fb2c4e88be45973.css

9fb2c4e88be45973.css

67 ms

859d2ce6d74e0477.css

859d2ce6d74e0477.css

75 ms

51fccf67ca6af9aa.css

51fccf67ca6af9aa.css

86 ms

3b584478245656f4.css

3b584478245656f4.css

103 ms

f297203974f5b34d.css

f297203974f5b34d.css

112 ms

dc8dfddccc6a9b70.css

dc8dfddccc6a9b70.css

120 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

119 ms

8357-c5a7b3a93dcf4906.js

8357-c5a7b3a93dcf4906.js

172 ms

9222.1b5820eb2bd8f668.js

9222.1b5820eb2bd8f668.js

174 ms

6355.6ce104da3ced063e.js

6355.6ce104da3ced063e.js

173 ms

7225.19f47b661c2970f3.js

7225.19f47b661c2970f3.js

173 ms

1386.7130601fc57815d9.js

1386.7130601fc57815d9.js

174 ms

webpack-a1d831fb39857a72.js

webpack-a1d831fb39857a72.js

175 ms

framework-ca706bf673a13738.js

framework-ca706bf673a13738.js

183 ms

main-f699e7d0e9fec979.js

main-f699e7d0e9fec979.js

181 ms

_app-874af513e4808cea.js

_app-874af513e4808cea.js

179 ms

94726e6d-807c1d47e26513c1.js

94726e6d-807c1d47e26513c1.js

189 ms

9582-61e327e14d4c8c30.js

9582-61e327e14d4c8c30.js

192 ms

9755-6eee9544b33cb635.js

9755-6eee9544b33cb635.js

200 ms

8777-95c2a9e93f5f7f83.js

8777-95c2a9e93f5f7f83.js

214 ms

5470-5e0e1d40a1333757.js

5470-5e0e1d40a1333757.js

219 ms

2573-ef212bbce6e9e49e.js

2573-ef212bbce6e9e49e.js

221 ms

7831-179ada9dd8d54c55.js

7831-179ada9dd8d54c55.js

224 ms

2605-bb738581b7e398b5.js

2605-bb738581b7e398b5.js

231 ms

9485-84e2e16f3db83f07.js

9485-84e2e16f3db83f07.js

244 ms

7415-561f3240110db5e0.js

7415-561f3240110db5e0.js

314 ms

2721-5e7978e4fd7daab5.js

2721-5e7978e4fd7daab5.js

315 ms

1761-79f12d7ce19a1f9b.js

1761-79f12d7ce19a1f9b.js

316 ms

7987-e944e3e3f647cb21.js

7987-e944e3e3f647cb21.js

317 ms

7178-262d4faf01087f8c.js

7178-262d4faf01087f8c.js

317 ms

index-2ef749c587ac28cd.js

index-2ef749c587ac28cd.js

318 ms

_buildManifest.js

_buildManifest.js

318 ms

heap-244557998.js

heap-244557998.js

31 ms

gtm.js

gtm.js

116 ms

_ssgManifest.js

_ssgManifest.js

257 ms

ttam-toggle-active.7213f62c.svg

ttam-toggle-active.7213f62c.svg

256 ms

lemonaid-toggle-inactive.8cf5c6df.svg

lemonaid-toggle-inactive.8cf5c6df.svg

260 ms

mobile-gray.5c8acbea.svg

mobile-gray.5c8acbea.svg

256 ms

caret.d8c670e4.svg

caret.d8c670e4.svg

266 ms

268 ms

270 ms

container.js

container.js

12 ms

235 ms

plus-sign-plain.5b78af43.svg

plus-sign-plain.5b78af43.svg

241 ms

233 ms

afib.465a9989.svg

afib.465a9989.svg

187 ms

alzheimers.05dc5227.svg

alzheimers.05dc5227.svg

190 ms

type-2-diabetes.ed9016d1.svg

type-2-diabetes.ed9016d1.svg

199 ms

cancer.9a09fd43.svg

cancer.9a09fd43.svg

214 ms

mental-health.0fae1630.svg

mental-health.0fae1630.svg

216 ms

x-gray7.2bb6bad1.svg

x-gray7.2bb6bad1.svg

216 ms

ic_play.985ec3a7.svg

ic_play.985ec3a7.svg

218 ms

214 ms

success.b0fba779.svg

success.b0fba779.svg

234 ms

227 ms

241 ms

237 ms

facebook.75a85de3.svg

facebook.75a85de3.svg

229 ms

youtube.6e1f78da.svg

youtube.6e1f78da.svg

216 ms

instagram.4bcefa8c.svg

instagram.4bcefa8c.svg

229 ms

twitter-x.9fcafa9e.svg

twitter-x.9fcafa9e.svg

236 ms

linkedin.1c444d89.svg

linkedin.1c444d89.svg

241 ms

tiktok.2ee7f475.svg

tiktok.2ee7f475.svg

243 ms

x-close-icon.svg

x-close-icon.svg

146 ms

redeem-button.svg

redeem-button.svg

157 ms

play-default-pink.svg

play-default-pink.svg

170 ms

play-hover-dark-pink.svg

play-hover-dark-pink.svg

179 ms

faq-ic-add-pink.svg

faq-ic-add-pink.svg

180 ms

Accessibility Review

marketing.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

marketing.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

marketing.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 Marketing.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 Marketing.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

marketing.23andme.com

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