Brilliant.org - SEO Checker

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Overview of the SEO Check
Meta information
97% 
Page quality
52% 
Page structure
92% 
Link structure
97% 
Server
95% 
External factors
100% 
SEO Score
Response time
2.22 s
File size
331.00 kB
Words
313
Media files
18
Number of links
23 internal / 6 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Brilliant | Learn interactively
The length of the page title is perfect. (248 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Brilliant - Build quantitative skills in math, science, and computer science with hands-on, interactive lessons.
The length of the meta description is perfect. (664 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Language defined in HTTP-Equiv meta tag: en_us
Server location: United States of America
There are different language information within the page markup.
One or more of the specified languages are not ISO standard (en, en-us, de, etc.)
The following language is defined by HTML: en_us
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

NameValue
googlenotranslate
viewportwidth=device-width,initial-scale=1.0,maximum-scale=1.0,viewport-fit=cover
descriptionBrilliant - Build quantitative skills in math, science, and computer science with hands-on, interactive lessons.
al:ios:app_store_id913335252
al:ios:app_nameBrilliant.org
al:android:packageorg.brilliant.android
al:android:app_nameBrilliant
al:ios:urlcom.brilliant.Brilliant://
al:android:urlhttps://brilliant.org/
langen-us
twitter:site@brilliantorg
twitter:cardsummary_large_image
fb:app_id326254770799145
og:descriptionBrilliant - Build quantitative skills in math, science, and computer science with hands-on, interactive lessons.
og:titleBrilliant | Learn interactively
og:imagehttps://brilliant.org/site_media/version-0/images/open-graph/logged-out-home-pix-v2.png
og:urlhttps://brilliant.org/
Content-typetext/html; charset=UTF-8
Content-Languageen_US

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
Words from the H1 heading are not used in the page content.
There are only 313 words on this page. Good pages should have about 800 words of useful content.
26.8% of the text are stop words.
The page contains a listing, which indicates a good text layout.
8 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 14 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width,initial-scale=1.0,maximum-scale=1.0,viewport-fit=cover" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...on-0/images/brilliant-wordmark-black.svgBrilliant
...de7ac9e60/images/homepage/topic-math.svgMath
.../images/homepage/topic-data-analysis.svgData Analysis
...ages/homepage/topic-computer-science.svgComputer Science
...33/images/homepage/topic-programming.svgProgramming & AI
...mepage/topic-science-and-enginnering.svgScience & Engineering
...1c6e2/images/homepage/app-of-the-day.pngApp of the day award
...-9ae1f4133c/images/homepage/best-app.pngBest-app award
.../images/homepage/learn-at-your-level.svgLearn at your level
...84c0a/images/homepage/guided-lessons.pngGuided bite-sized lessons
...514e4/images/homepage/stay-motivated.svgStay motivated
...-e9c4c9059b/images/homepage/appstore.pngiOS
...b840872569/images/homepage/playstore.pngandroid
...on-0/images/brilliant-wordmark-white.svgBrilliant
...dia/version-01/images/icon-twitter-x.svgTwitter
Video URLWidthHeight
...es/homepage/lohp-hero-animation-dots.mp4
...e4/images/homepage/hands-on-learning.mp4
...ding/learning-paths/math-foundations.mp4

Page structure

H1 heading
(Critically important)
Learn by doing
The H1 heading is too short (14 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 Learn by doing
H2 Guided interactive problem solving that’s effective and fun. Master concepts in 15 minutes a day.
H3 Math
H3 Data Analysis
H3 Computer Science
H3 Programming & AI
H3 Science & Engineering
H3 Join over 10 million people learning on Brilliant
H3 Over 50,000 5-star reviews on iOS App Store and Google Play
H3 Master concepts in 15 minutes a day
H3 Effective, hands-on learning
H3 Learn at your level
H3 Guided bite-sized lessons
H3 Stay motivated
H3 Guided courses for every journey
H3 Join over 10 million people learning on Brilliant Duplicate text
H4 Courses in Foundational Math
H4 Company
H4 Product
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 6 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://brilliant.org/IMG-ALT Brilliant
/account/login/Nofollow Log in
https://brilliant.org/welcome/Get started
https://brilliant.org/math/Math
IMG-ALT Math
/data-analysis/Data Analysis
IMG-ALT Data Analysis
https://brilliant.org/cs/Computer Science
IMG-ALT Computer Science
/programming/Programming & AI
IMG-ALT Programming & AI
https://brilliant.org/science/Science & Engineering
IMG-ALT Science & Engineering
https://apps.apple.com/us/app/...External Subdomain IMG-ALT iOS
https://play.google.com/store/...External Subdomain IMG-ALT android
https://brilliant.org/welcome/Text duplicate Get started
https://brilliant.org/Text duplicate IMG-ALT Brilliant
https://brilliant.org/about/About Us
https://brilliant.org/careers/Careers
https://brilliant.org/educators/Educators
https://brilliant.org/about/Press
https://brilliant.org/help/Help
https://brilliant.org/courses/Courses
https://brilliant.org/premium/Pricing
/testimonials/Testimonials
https://www.facebook.com/brill...New window Nofollow External Subdomain Facebook
https://www.instagram.com/bril...New window Nofollow External Subdomain Instagram
https://twitter.com/brilliantorgNew window Nofollow External IMG-ALT Twitter
https://www.linkedin.com/compa...New window Nofollow External Subdomain LinkedIn
https://brilliant.org/help/Text duplicate Help
/terms-of-use/Nofollow Terms of Service
https://brilliant.org/privacy/Nofollow Privacy Policy
/ccpa-policy/Nofollow California Privacy Policy
/cookie-policy/cookie policy and settings

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://brilliant.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is very slow (2.22 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (331 kB).

HTTP Response Header

NameValue
dateWed, 08 May 2024 21:10:22 GMT
content-typetext/html; charset=utf-8
cf-ray880c6f9c3ff3373a-FRA
cf-cache-statusDYNAMIC
cache-controlpublic, max-age=0, must-revalidate
content-languageen
set-cookie153 Characters
strict-transport-securitymax-age=15552000
varyAccept-Encoding, Accept-Language, Cookie
content-security-policyframe-ancestors 'self' *.brilliant.org *.online.tableau.com apps.facebook.com app.frontapp.com greatquestion.co
x-b-infraE
x-vercel-idfra1::d5mbf-1715202620875-97f00767fca1
servercloudflare
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 8,252 referring domains.
This page has 68,687 backlinks.
This page has backlinks from 4,444 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 221075 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

#Google Search Engine Robot
User-agent: Googlebot
Disallow: /profile/*/followers
Disallow: /profile/*/following
Disallow: /account/*
Disallow: /roundabout/
Disallow: /problems/*
Disallow: /classroom/

#Yahoo! Search Engine Robot
User-Agent: Slurp
Disallow: /profile/*/followers
Disallow: /profile/*/following
Disallow: /account/*
Disallow: /roundabout/
Disallow: /problems/*
Disallow: /classroom/

#Yandex Search Engine Robot
User-agent: Yandex
Disallow: /profile/*/followers
Disallow: /profile/*/following
Disallow: /account/*
Disallow: /roundabout/
Disallow: /problems/*
Disallow: /classroom/

#Microsoft Search Engine Robot
User-Agent: msnbot
Disallow: /profile/*/followers
Disallow: /profile/*/following
Disallow: /account/*
Disallow: /roundabout/
Disallow: /problems/*
Disallow: /classroom/

#Every bot that might possibly read and respect this file.
User-agent: *
Disallow: /profile/*/followers
Disallow: /profile/*/following
Disallow: /account/*
Disallow: /roundabout/
Disallow: /problems/*
Disallow: /classroom/

#Sitemap
Sitemap: https://brilliant.org/sitemapindex.xml

Similar sites

Search preview

brilliant.org
Brilliant | Learn interactively
Brilliant - Build quantitative skills in math, science, and computer science with hands-on, interactive lessons.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Brilliant86%Check
Learn70%Check
Math63%Check
interactive62%Check
Brilliant Worldwide62%Check
Science58%Check
Computer Science57%Check
lessons54%Check
Foundational Math54%Check
Data Science52%Check
Show more keywords and terms

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