Tools & Wizards About Us
23andme.ca screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

23andme.ca

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

Page Load Speed

1.4 sec in total

First Response

46 ms

Resources Loaded

718 ms

Page Rendered

663 ms

23andme.ca screenshot

About Website

Welcome to 23andme.ca homepage info - get ready to check 23andMe best content right away, or after learning these important things about 23andme.ca

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

Visit 23andme.ca

Key Findings

We analyzed 23andme.ca page load time and found that the first response time was 46 ms and then it took 1.4 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

23andme.ca performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

65/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value2,210 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

23andme.ca

46 ms

www.23andme.ca

48 ms

306 ms

27075387.js

56 ms

5ab9779d78b3dc30.css

54 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original 23andme.ca, 91% (51 requests) were made to 23andme.com and 4% (2 requests) were made to Cdn.heapanalytics.com. The less responsive or slowest element that took the longest time to load (306 ms) relates to the external source 23andme.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 152.4 kB (24%)

Content Size

636.9 kB

After Optimization

484.5 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of 23andme.ca main page is 636.9 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. 60% of websites need less resources to load. Javascripts take 399.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 151.0 kB

  • Original 174.9 kB
  • After minification 173.8 kB
  • After compression 23.9 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 151.0 kB or 86% of the original size.

JavaScript Optimization

-0%

Potential reduce by 796 B

  • Original 399.4 kB
  • After minification 399.4 kB
  • After compression 398.6 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 638 B

  • Original 62.7 kB
  • After minification 62.7 kB
  • After compression 62.1 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. 23andme.ca has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 46 (88%)

Requests Now

52

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 29 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

23andme.ca

23andme.ca

46 ms

www.23andme.ca

www.23andme.ca

48 ms

306 ms

27075387.js

27075387.js

56 ms

5ab9779d78b3dc30.css

5ab9779d78b3dc30.css

54 ms

7a28145a68e49e87.css

7a28145a68e49e87.css

69 ms

43c72a3c18f32116.css

43c72a3c18f32116.css

52 ms

dd7bc1a7c65586f0.css

dd7bc1a7c65586f0.css

77 ms

be6cf585eab044de.css

be6cf585eab044de.css

52 ms

d0ca5245c3387672.css

d0ca5245c3387672.css

89 ms

8cdf151385b3436d.css

8cdf151385b3436d.css

91 ms

f9d3e51e3c5fd859.css

f9d3e51e3c5fd859.css

84 ms

b85547b227ca9345.css

b85547b227ca9345.css

120 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

98 ms

8357-1dafd15e1bdfe78f.js

8357-1dafd15e1bdfe78f.js

111 ms

9222.32b0b6073fcbf76b.js

9222.32b0b6073fcbf76b.js

104 ms

3616.9f37041c830b0363.js

3616.9f37041c830b0363.js

165 ms

1386.7130601fc57815d9.js

1386.7130601fc57815d9.js

165 ms

webpack-171a460ac7d40fe8.js

webpack-171a460ac7d40fe8.js

167 ms

framework-ca706bf673a13738.js

framework-ca706bf673a13738.js

166 ms

main-f699e7d0e9fec979.js

main-f699e7d0e9fec979.js

171 ms

_app-f2d92131e44fa8d5.js

_app-f2d92131e44fa8d5.js

172 ms

94726e6d-807c1d47e26513c1.js

94726e6d-807c1d47e26513c1.js

192 ms

9582-61e327e14d4c8c30.js

9582-61e327e14d4c8c30.js

191 ms

9755-6eee9544b33cb635.js

9755-6eee9544b33cb635.js

174 ms

8777-95c2a9e93f5f7f83.js

8777-95c2a9e93f5f7f83.js

191 ms

5470-5e0e1d40a1333757.js

5470-5e0e1d40a1333757.js

197 ms

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196 ms

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198 ms

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2605-9727dfef9f4b53e2.js

208 ms

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207 ms

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209 ms

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209 ms

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215 ms

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7987-e944e3e3f647cb21.js

210 ms

768-2daf78d63ecd22c1.js

768-2daf78d63ecd22c1.js

223 ms

index-ccaac71eb3472d8a.js

index-ccaac71eb3472d8a.js

232 ms

_buildManifest.js

_buildManifest.js

241 ms

_ssgManifest.js

_ssgManifest.js

297 ms

heap-244557998.js

heap-244557998.js

120 ms

gtm.js

gtm.js

111 ms

mobile-gray.5c8acbea.svg

mobile-gray.5c8acbea.svg

234 ms

caret.d8c670e4.svg

caret.d8c670e4.svg

180 ms

plus-sign-plain.5b78af43.svg

plus-sign-plain.5b78af43.svg

237 ms

x-gray7.2bb6bad1.svg

x-gray7.2bb6bad1.svg

238 ms

facebook.75a85de3.svg

facebook.75a85de3.svg

239 ms

youtube.6e1f78da.svg

youtube.6e1f78da.svg

229 ms

instagram.4bcefa8c.svg

instagram.4bcefa8c.svg

221 ms

twitter-x.9fcafa9e.svg

twitter-x.9fcafa9e.svg

217 ms

linkedin.1c444d89.svg

linkedin.1c444d89.svg

211 ms

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213 ms

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new-year-promo-gradient-2023.svg

152 ms

play-default-pink.svg

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159 ms

play-hover-dark-pink.svg

play-hover-dark-pink.svg

151 ms

faq-ic-add-pink.svg

faq-ic-add-pink.svg

156 ms

container.js

container.js

18 ms

Accessibility Review

23andme.ca accessibility score

94

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 IDs are not unique

Best Practices

23andme.ca 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

23andme.ca 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 23andme.ca 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 23andme.ca 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

23andme.ca

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