Random.org - SEO Checker

Overview of the SEO Check
Meta information
Page quality
Page structure
Link structure
External factors
SEO Score
Response time
0.16 s
File size
19.50 kB
Media files
Number of links
123 internal / 7 external

Task list of SEO Improvements

Meta specifications

(Critically important)
RANDOM.ORG - True Random Number Service
The length of the page title is perfect. (433 pixels out of 580 max pixel length)
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: 1467 pixels from max. 1000 pixels. Optimize description
(Critically important)
There are no problems in accessing the website.
Canonical URL
No canonical link is specified.
(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.
(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.
(Nice to have)
The doctype XHTML 1.0 Transitional is set correctly.
The doctype is placed at first in the HTML code.
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

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
Content-Typetext/html; charset=utf-8

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Page quality

(Critically important)
The average number of words per sentence of 49.07 words is high.
This page contains 953 words. That's ok.
27.1% 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.
10 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.
(Critically important)
This website does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width" is provided.
At least one Apple touch icon is specified.
This website only loads 3 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 19 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.
(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/help.gifContact and Help

Page structure

H1 heading
(Critically important)
True Random Number Service
The H1 heading is perfect.
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 amount of internal links is ok.
None of the anchor texts is too long.
All internal links don't have dynamic parameters.
There are 7 external links on this page.
LinkAttributesAnchor text
/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
/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
/clock-times/Clock Times
/calendar-dates/Calendar Dates
/geographic-coordinates/Geographic Coordinates
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/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
/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/lotteries/Lotteries and Drawings
/testimonials/games/Games and Gambling
/testimonials/sampling/Random Sampling
/testimonials/simulation/Simulation and Modelling
/testimonials/arts/The Arts
https://www.random.org/Learn More
https://www.random.org/company/About & Contact
https://www.random.org/terms/Text duplicate Terms and Conditions
/randomness/Introduction to Randomness
https://www.random.org/history/History of RANDOM.ORG
https://www.random.org/media/Media and Scientific Citations
/quotations/Quotations about Randomness
https://www.random.org/news/What's New!
https://www.random.org/mads/Dr Mads Haahr
http://www.scss.tcd.ie/External School of Computer Science and Statistics
http://www.tcd.ie/External Trinity College, Dublin
https://www.random.org/company/Randomness and Integrity Services Ltd
/quick-pick/Text duplicate Lottery Quick Pick
https://www.random.org/keno/Text duplicate Keno Quick Pick
https://www.random.org/coins/Text duplicate Coin Flipper
https://www.random.org/dice/Text duplicate Dice Roller
/playing-cards/Text duplicate Playing Card Shuffler
/birdie-funds/Text duplicate Birdie Fund Generator
https://www.random.org/faq/Anchor Q3.1 in the FAQ
https://www.random.org/draws/Text duplicate Third-Party Draw Service
/guides/draws/Text duplicate Step by Step Guide
/guides/video1/Text duplicate Step by Step Video
/draws/pricing/Text duplicate Price Calculator
https://www.random.org/faq/Anchor Text duplicate Drawing FAQ
/draws/records/Text duplicate Public Records
/widgets/draws/Drawing Result Widget
https://giveaways.random.org/External Subdomain Multi-Round Giveaway Service
https://www.random.org/integers/Integer Generator
https://www.random.org/sequences/Sequence Generator
/integer-sets/Integer Set Generator
/gaussian-distributions/Gaussian Generator
/decimal-fractions/Decimal Fraction Generator
https://www.random.org/bytes/Raw Random Bytes
https://www.random.org/lists/Text duplicate List Randomizer
https://www.random.org/strings/String Generator
https://www.random.org/passwords/Password Generator
/clock-times/Clock Time Generator
/calendar-dates/Calendar Date Generator
/geographic-coordinates/Geographic Coordinate Generator
https://www.random.org/bitmaps/Text duplicate Bitmaps
https://www.random.org/colors/hexHexadecimal Color Code Generator
https://www.random.org/files/Text duplicate Pregenerated Files
/audio-noise/Text duplicate Pure White Audio Noise
/jazz-scales/Text duplicate Jazz Scales
https://www.random.org/lessness/Text duplicate Samuel Beckett
http://www.cellbiol.com/script...External DNA Protein Sequence Randomizer
/widgets/integers/Integer Widget Wizard
/widgets/draws/Draw Widget Wizard
/clients/http/HTTP API
/banned-hosts/Text duplicate Banned Hosts
/randomness/Text duplicate Introduction to Randomness
/testimonials/Many Testimonials
/acknowledgements/Text duplicate Acknowledgements
https://www.random.org/media/Media Coverage and Scientific Citations
/statistics/Text duplicate Real-Time Statistics
https://www.random.org/analysis/Statistical Analysis
https://www.random.org/bit-tally/Bit Tally
https://www.random.org/quota/Text duplicate Your Quota
https://www.random.org/faq/Text duplicate FAQ
/newsletter/Text duplicate Newsletter
https://www.random.org/mads/Contact Details
https://twitter.com/RandomOrgExternal Twitter
https://www.facebook.com/RANDO...External Facebook
https://www.random.org/terms/Text duplicate Terms and Conditions
https://www.random.org/company/About Us

Server configuration

HTTP redirects
(Critically important)
This website redirects to "https://www.random.org/"
HTTP header
No X-Powered HTTP header is sent.
This website uses GZip for compressed data transmission.
(Somewhat important)
The page response time is excellent with 0.16 seconds.
This website only loads 1 CSS files. That's ok.
This website only loads 3 JavaScript files. That's good!
The file size of the HTML document is fine (20 kB).

HTTP Response Header

dateWed, 22 Apr 2020 03:56:33 GMT
content-typetext/html; charset=UTF-8
content-security-policyframe-ancestors 'self'
set-cookie127 Characters
set-cookie121 Characters
access-control-allow-headersOrigin, X-Requested-With, Content-Type, Accept
expect-ctmax-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-securitymax-age=31536000; includeSubDomains; preload

External factors

(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This website is referenced by wikipedia.
This website has excellent links from other websites.
This website has backlinks from 24,322 referring domains.
This website has 1,574,586 backlinks.
This website has backlinks from 18,210 different ip addresses.
Facebook popularity
(Somewhat important)
This website has social activity like shares, comments or likes on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.


User-agent: *
Disallow: /jobs/
Disallow: /trails/
Disallow: /draws/show-entrants/
Disallow: /draws/download/
Disallow: /preview/
Disallow: /error/

Facebook popularity

Shares / Likes / Comments

Only the data for the given URL is shown. We cannot determine the social actions for a linked fan page.

Search preview

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

Seobility found the following keywords. You can check the keyword optimization of this page for each keyword.

Random Number80%Check
True Random80%Check
True Random Number Service73%Check
true random numbers66%Check
Random Numbers61%Check
RANDOM.ORG offers true random58%Check
offers true random numbers58%Check
Random Drawings54%Check

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