Random.org - SEO Checker

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Overview of the SEO Check
Meta information
75% 
Page quality
70% 
Page structure
100% 
Link structure
78% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.18 s
File size
23.20 kB
Words
1029
Media files
4
Number of links
125 internal / 7 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
RANDOM.ORG - True Random Number Service
The domain is used in the page's title.
There are no duplicate words in the title
Meta description
(Critically important)
RANDOM.ORG offers true random numbers to anyone on the Internet. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs.
The meta description is too long: 1460 pixels from max. 1000 pixels. Optimize description
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
Server location: United States of America
The following language is defined by HTML: en
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 XHTML 1.0 Transitional 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
viewportwidth=device-width
application-nameRANDOM.ORG
Keywordstrue random numbers
descriptionRANDOM.ORG offers true random numbers to anyone on the Internet. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs.
authorMads Haahr
langen
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 37.52 words is high.
This page contains 1029 words. That's ok.
31.7% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
12 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width" 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 21 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
/graphics/nuvola/learn.pngLearn about Randomness
/graphics/nuvola/graph.pngStatistics
/graphics/nuvola/help.gifContact and Help

Page structure

H1 heading
(Critically important)
True Random Number Service
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 True Random Number Service
H2 What's this fuss about true randomness?
H3 Games and Lotteries
H3 Random Drawings
H3 Numbers
H3 Lists and Strings and Maps, Oh My!
H3 Web Tools and Widgets for Your Pages
H3 Learn about Randomness
H3 Statistics
H3 Contact and Help
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 7 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.random.org/Home
https://www.random.org/Games
/quick-pick/Lottery Quick Pick
https://www.random.org/keno/Keno Quick Pick
https://www.random.org/coins/Coin Flipper
https://www.random.org/dice/Dice Roller
/playing-cards/Playing Card Shuffler
/birdie-funds/Birdie Fund Generator
https://www.random.org/Numbers
https://www.random.org/integers/Integers
https://www.random.org/sequences/Sequences
/integer-sets/Integer Sets
/gaussian-distributions/Gaussian Numbers
/decimal-fractions/Decimal Fractions
https://www.random.org/bytes/Raw Bytes
https://www.random.org/Lists & More
https://www.random.org/lists/List Randomizer
https://www.random.org/strings/Strings
https://www.random.org/passwords/Passwords
/clock-times/Clock Times
/calendar-dates/Calendar Dates
/geographic-coordinates/Geographic Coordinates
https://www.random.org/bitmaps/Bitmaps
https://www.random.org/colors/hexHex Color Codes
https://www.random.org/files/Pregenerated Files
/jazz-scales/Jazz Scales
/audio-noise/Pure White Audio Noise
https://www.random.org/lessness/Samuel Beckett
https://www.random.org/Drawings
https://www.random.org/faq/How to Pick a Winner (FREE)
https://www.random.org/draws/Third-Party Draw Service
/guides/draws/Step by Step Guide
/guides/video1/Step by Step Video
/draws/pricing/Price Calculator
/draws/records/Public Records
/draws/description/Terms and Conditions
https://www.random.org/faq/Drawing FAQ
https://www.random.org/Web Tools
https://www.random.org/widgets/Widgets for Your Pages
https://api.random.org/External Subdomain API for Automated Clients
/clients/http/Old API for Automated Clients
https://www.random.org/clients/Old Guidelines for Automated Clients
/banned-hosts/Banned Hosts
https://www.random.org/Statistics
/statistics/Real-Time Statistics
/statistics/browser/Graph Browser
https://www.random.org/analysis/Testing Random Numbers
https://www.random.org/bit-tally/Total Bit Tally
https://www.random.org/quota/Your Quota
/testimonials/Testimonials
/testimonials/lotteries/Lotteries and Drawings
/testimonials/games/Games and Gambling
/testimonials/sampling/Random Sampling
/testimonials/simulation/Simulation and Modelling
/testimonials/security/Security
/testimonials/arts/The Arts
/testimonials/miscellaneous/Miscellaneous
https://www.random.org/Learn More
https://www.random.org/company/About & Contact
https://www.random.org/terms/Text duplicate Terms and Conditions
https://www.random.org/faq/FAQ
/randomness/Introduction to Randomness
https://www.random.org/history/History of RANDOM.ORG
/acknowledgements/Acknowledgements
https://www.random.org/media/Media and Scientific Citations
/newsletter/Newsletter
/quotations/Quotations about Randomness
https://www.random.org/news/What's New!
https://www.random.org/account/Login
/terms/2020-08-01/cookiesSubdomain Cookie Policy
https://www.random.org/privacySubdomain Privacy Dashboard
https://www.random.org/mads/Dr Mads Haahr
http://www.scss.tcd.ie/External Subdomain School of Computer Science and Statistics
http://www.tcd.ie/External Subdomain Trinity College, Dublin
https://www.random.org/company/Subdomain Randomness and Integrity Services Ltd
/quick-pick/Subdomain Text duplicate Lottery Quick Pick
https://www.random.org/keno/Subdomain Text duplicate Keno Quick Pick
https://www.random.org/coins/Subdomain Text duplicate Coin Flipper
https://www.random.org/dice/Subdomain Text duplicate Dice Roller
/playing-cards/Subdomain Text duplicate Playing Card Shuffler
/birdie-funds/Subdomain Text duplicate Birdie Fund Generator
https://www.random.org/faq/Subdomain Anchor Q3.1 in the FAQ
https://www.random.org/draws/Subdomain Text duplicate Third-Party Draw Service
/guides/draws/Subdomain Text duplicate Step by Step Guide
/guides/video1/Subdomain Text duplicate Step by Step Video
/draws/pricing/Subdomain Text duplicate Price Calculator
https://www.random.org/faq/Subdomain Anchor Text duplicate Drawing FAQ
/draws/records/Subdomain Text duplicate Public Records
/widgets/draws/Subdomain Drawing Result Widget
https://giveaways.random.org/External Subdomain Multi-Round Giveaway Service
https://www.random.org/integers/Subdomain Integer Generator
https://www.random.org/sequences/Subdomain Sequence Generator
/integer-sets/Subdomain Integer Set Generator
/gaussian-distributions/Subdomain Gaussian Generator
/decimal-fractions/Subdomain Decimal Fraction Generator
https://www.random.org/bytes/Subdomain Raw Random Bytes
https://www.random.org/lists/Subdomain Text duplicate List Randomizer
https://www.random.org/strings/Subdomain String Generator
https://www.random.org/passwords/Subdomain Password Generator
/clock-times/Subdomain Clock Time Generator
/calendar-dates/Subdomain Calendar Date Generator
/geographic-coordinates/Subdomain Geographic Coordinate Generator
https://www.random.org/bitmaps/Subdomain Text duplicate Bitmaps
https://www.random.org/colors/hexSubdomain Hexadecimal Color Code Generator
https://www.random.org/files/Subdomain Text duplicate Pregenerated Files
/audio-noise/Subdomain Text duplicate Pure White Audio Noise
/jazz-scales/Subdomain Text duplicate Jazz Scales
https://www.random.org/lessness/Subdomain Text duplicate Samuel Beckett
http://www.cellbiol.com/script...External Subdomain DNA Protein Sequence Randomizer
/widgets/integers/Integer Widget Wizard
/widgets/draws/Draw Widget Wizard
/clients/http/Subdomain HTTP API
https://www.random.org/clients/Subdomain Guidelines
/banned-hosts/Subdomain Text duplicate Banned Hosts
/randomness/Subdomain Text duplicate Introduction to Randomness
https://www.random.org/history/Subdomain History
/testimonials/Subdomain Many Testimonials
/acknowledgements/Subdomain Text duplicate Acknowledgements
/quotations/Subdomain Quotations
https://www.random.org/media/Subdomain Media Coverage and Scientific Citations
https://www.random.org/news/Subdomain News
/statistics/Subdomain Text duplicate Real-Time Statistics
https://www.random.org/analysis/Subdomain Statistical Analysis
https://www.random.org/bit-tally/Subdomain Bit Tally
https://www.random.org/quota/Subdomain Text duplicate Your Quota
https://www.random.org/faq/Subdomain Text duplicate FAQ
/newsletter/Subdomain Text duplicate Newsletter
https://www.random.org/mads/Subdomain Contact Details
https://twitter.com/RandomOrgExternal Twitter
https://mastodon.world/@randomExternal Mastodon
https://www.random.org/termsText duplicate Terms and Conditions
https://www.random.org/companySubdomain About Us

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.random.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 excellent with 0.18 seconds.
The file size of the HTML document is fine (23 kB).

HTTP Response Header

NameValue
dateFri, 28 Jun 2024 03:50:52 GMT
content-typetext/html; charset=UTF-8
content-length6481
x-frame-optionsSAMEORIGIN
content-security-policyframe-ancestors 'self'
x-xss-protection1
set-cookie127 Characters
rdo-authenticated-login-
varyAccept-Encoding
content-encodinggzip
x-content-type-optionsnosniff
access-control-allow-origin*
access-control-allow-headersOrigin, X-Requested-With, Content-Type, Accept
cf-cache-statusDYNAMIC
strict-transport-securitymax-age=31536000; includeSubDomains; preload
servercloudflare
cf-ray89aab70f0f29bb5f-FRA
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 14,091 referring domains.
This page has 905,787 backlinks.
This page has backlinks from 9,733 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Allow: /strings/?mode=advanced
Allow: /integers/?mode=advanced
Allow: /integer-sets/?mode=advanced
Allow: /sequences/?mode=advanced
Allow: /decimal-fractions/?mode=advanced
Allow: /bitmaps/?mode=advanced
Allow: /clock-times/?mode=advanced
Allow: /playing-cards/?mode=advanced
Allow: /calendar-dates/?mode=advanced
Disallow: /strings/?*
Disallow: /integers/?*
Disallow: /integer-sets/?*
Disallow: /sequences/?*
Disallow: /decimal-fractions/?*
Disallow: /bitmaps/?*
Disallow: /clock-times/?*
Disallow: /playing-cards/?*
Disallow: /calendar-dates/?*
Disallow: /passwords/?*
Disallow: /jobs/
Disallow: /trails/
Disallow: /draws/show-entrants/
Disallow: /draws/download/
Disallow: /preview/
Disallow: /error/
Disallow: /cgi-bin/

Similar sites

Search preview

www.random.org
RANDOM.ORG - True Random Number Service
RANDOM.ORG offers true random numbers to anyone on the Internet. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs.

Most important keywords

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

KeywordResultRecheck
Random93%Check
True Random86%Check
True Random Number83%Check
True Random Number Service78%Check
True77%Check
ORG74%Check
true random numbers73%Check
Random Numbers70%Check
offers true random numbers66%Check
Random Drawings64%Check
Show more keywords and terms

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Cookie Policy

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Contact | Privacy

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