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100
Brilliant | Learn interactively
Brilliant - Build quantitative skills in math, science, and computer science with hands-on, interactive lessons.
https://brilliant.org/
0 high issues
0.0%
3 medium issues
9.1%
1 low issue
3.0%
29 tests passed
87.9%
0.43 seconds
41.53 kB
8 resources
Secure
Seo
Title
The title tag is perfect.
Brilliant | Learn interactively
Meta description
The meta description tag is good.
Brilliant - Build quantitative skills in math, science, and computer science with hands-on, interactive lessons.
Headings
The headings are properly set.
  1. Join 10+ million people excelling in math and science
  1. For lifelong learners of any age, Brilliant replaces lecture videos with hands-on, interactive problem solving. It’s a better (and more fun) way to learn.
  2. Trustpilot score
  1. Over 50,000 5-star reviews on iOS App Store and Google Play
  2. Learn key ideas through problem solving
  3. See math and science in a new way
  4. Learn to think like a mathematician
  5. Join over 10 million people learning on Brilliant
  1. For ages 10 to 110
  2. Master essential skills
  3. Stress less, learn better
  4. Courses in Foundational Math
  5. Master, don't memorize
  6. Solve problems
  7. Build STEM intuition
  8. Some struggle required
  9. Company
  10. Product
Content keywords
The content has relevant keywords.
brilliantlearn
Image keywords
All images have alt attributes set.
SEO friendly URL
The URL is SEO friendly.
https://brilliant.org/
404 page
The website has 404 error pages.
https://brilliant.org/404-b98b82e9041a763c218d0db779788eb0
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
Language
The webpage has the language declared.
en-us
Favicon
The webpage has a favicon.
https://brilliant.org/apple-touch-icon-180x180-precomposed.png
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.43 seconds.
Page size
The size of the HTML webpage is 41,534.00.
HTTP requests
There are fewer than 8 HTTP requests on the webpage.
  1. https://brilliant.org/site_media/build/dist/main.ed7e73f203635c3a8c63.js
  2. https://brilliant.org/site_media/build/dist/AppDesktop.e8eca9358d13568f095a.js
  3. https://brilliant.org/site_media/build/dist/LoggedOutHomepage.d42b6c5cbc9585d6920d.js
  4. https://brilliant.org/site_media/build/dist/GeneralPathLandingPage-LoggedOutHomepage-MarketingLandingPage.dd60fcc74faf80fd0339.js
  5. https://brilliant.org/site_media/build/dist/PrivacyBanner.3f766c5335e077bcba3a.js
  1. https://brilliant.org/site_media/version-f234aa6a49/images/homepage/problem-solving-2x.gif
  1. https://brilliant.org/site_media/version-V87e099514e4/images/homepage/brilliant-learn-visually.mp4
  2. https://brilliant.org/site_media/version-V87e099514e3/images/landing/learning-paths/math-foundations.mp4
Image format
There are 1 images that are not using the AVIF, WebP format.
  1. https://brilliant.org/site_media/version-f234aa6a49/images/homepage/problem-solving-2x.gif
JavaScript defer
The javascript resources have the defer attribute set.
DOM size
The DOM size is optimal.
The HTML file has 275 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://brilliant.org/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
cloudflare
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
Plaintext email
The webpage does not contain any plaintext emails.
Miscellaneous
Structured data
The webpage has structured data.
      Meta viewport
      The webpage has a meta viewport tag set.
      width=device-width,initial-scale=1.0,maximum-scale=1.0
      Character set
      The webpage does not have a charset declared.
      Sitemap
      The website has sitemaps.
      1. https://brilliant.org/sitemapindex.xml
      Social
      The webpage has 4 social links.
      Content length
      The webpage has 1,903 words.
      Text to HTML ratio
      The text to HTML ratio is under 10%
      The text to HTML ratio is 8%.
      Inline CSS
      The webpage does not contain inline CSS code.
      Deprecated HTML
      There are no deprecated HTML tags on the webpage.