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random.org

Website review random.org

 Generated on March 17 2017 04:47 AM

Old statistics? UPDATE !


The score is 61/100

Download PDF Version

SEO Content

Title

RANDOM.ORG - True Random Number Service



Length : 39

Perfect, your title contains between 10 and 70 characters.
Description

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.



Length : 221

Ideally, your meta description should contain between 70 and 160 characters (spaces included). Use this free tool to calculate text length.
Keywords

true random numbers



Good, your page contains meta keywords.
Og Meta Properties This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.
Headings
H1 H2 H3 H4 H5 H6
1 1 10 0 0 0
  • [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] True Randomness on your Mobile
  • [H3] Labs – What We're Working On
  • [H3] Contact and Help
Images We found 10 images on this web page.

7 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio Ratio : 41%

Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash Perfect, no Flash content has been detected on this page.
Iframe Too Bad, you have Iframes on the web pages, this mean that content in an Iframe cannot be indexed.

URL Rewrite Good. Your links looks friendly!
Underscores in the URLs We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links We found a total of 131 links including 0 link(s) to files



Anchor Type Juice
Home Internal Passing Juice
Games Internal Passing Juice
Lottery Quick Pick Internal Passing Juice
Keno Quick Pick Internal Passing Juice
Coin Flipper Internal Passing Juice
Dice Roller Internal Passing Juice
Playing Card Shuffler Internal Passing Juice
Birdie Fund Generator Internal Passing Juice
Numbers Internal Passing Juice
Integers Internal Passing Juice
Sequences Internal Passing Juice
Integer Sets Internal Passing Juice
Gaussian Numbers Internal Passing Juice
Decimal Fractions Internal Passing Juice
Raw Bytes Internal Passing Juice
Lists & More Internal Passing Juice
List Randomizer Internal Passing Juice
Strings Internal Passing Juice
Passwords Internal Passing Juice
Clock Times Internal Passing Juice
Calendar Dates Internal Passing Juice
Geographic Coordinates Internal Passing Juice
Bitmaps Internal Passing Juice
Hex Color Codes Internal Passing Juice
Pregenerated Files Internal Passing Juice
Jazz Scales Internal Passing Juice
Pure White Audio Noise Internal Passing Juice
Samuel Beckett Internal Passing Juice
Drawings Internal Passing Juice
How to Pick a Winner (FREE) Internal Passing Juice
Third-Party Draw Service Internal Passing Juice
Step by Step Guide Internal Passing Juice
Step by Step Video Internal Passing Juice
Price Calculator Internal Passing Juice
Public Records Internal Passing Juice
Terms and Conditions Internal Passing Juice
Drawing FAQ Internal Passing Juice
Web Tools Internal Passing Juice
Widgets for Your Pages Internal Passing Juice
API for Automated Clients Internal Passing Juice
Old API for Automated Clients Internal Passing Juice
Old Guidelines for Automated Clients Internal Passing Juice
Banned Hosts Internal Passing Juice
Statistics Internal Passing Juice
Real-Time Statistics Internal Passing Juice
Graph Browser Internal Passing Juice
Testing Random Numbers Internal Passing Juice
Total Bit Tally Internal Passing Juice
Your Quota Internal Passing Juice
Testimonials Internal Passing Juice
Lotteries and Drawings Internal Passing Juice
Games and Gambling Internal Passing Juice
Random Sampling Internal Passing Juice
Simulation and Modelling Internal Passing Juice
Security Internal Passing Juice
The Arts Internal Passing Juice
Miscellaneous Internal Passing Juice
Learn More Internal Passing Juice
About & Contact Internal Passing Juice
Terms and Conditions Internal Passing Juice
FAQ Internal Passing Juice
Introduction to Randomness Internal Passing Juice
History of RANDOM.ORG Internal Passing Juice
Acknowledgements Internal Passing Juice
Media and Scientific Citations Internal Passing Juice
Newsletter Internal Passing Juice
Quotations about Randomness Internal Passing Juice
What's New! Internal Passing Juice
Login Internal Passing Juice
Check out our app! Internal Passing Juice
Dr Mads Haahr Internal Passing Juice
School of Computer Science and Statistics External Passing Juice
Trinity College, Dublin External Passing Juice
Randomness and Integrity Services Ltd Internal Passing Juice
1.44 trillion random bits Internal Passing Juice
Lottery Quick Pick Internal Passing Juice
Keno Quick Pick Internal Passing Juice
Coin Flipper Internal Passing Juice
Dice Roller Internal Passing Juice
Playing Card Shuffler Internal Passing Juice
Birdie Fund Generator Internal Passing Juice
Q3.1 in the FAQ Internal Passing Juice
Third-Party Draw Service Internal Passing Juice
Step by Step Guide Internal Passing Juice
Step by Step Video Internal Passing Juice
Price Calculator Internal Passing Juice
Drawing FAQ Internal Passing Juice
Public Records Internal Passing Juice
Drawing Result Widget Internal Passing Juice
Terms and Conditions Internal Passing Juice
Integer Generator Internal Passing Juice
Sequence Generator Internal Passing Juice
Integer Set Generator Internal Passing Juice
Gaussian Generator Internal Passing Juice
Decimal Fraction Generator Internal Passing Juice
Raw Random Bytes Internal Passing Juice
List Randomizer Internal Passing Juice
String Generator Internal Passing Juice
Password Generator Internal Passing Juice
Clock Time Generator Internal Passing Juice
Calendar Date Generator Internal Passing Juice
Geographic Coordinate Generator Internal Passing Juice
Bitmaps Internal Passing Juice
Hexadecimal Color Code Generator Internal Passing Juice
Pregenerated Files Internal Passing Juice
Pure White Audio Noise Internal Passing Juice
Jazz Scales Internal Passing Juice
Samuel Beckett Internal Passing Juice
DNA Protein Sequence Randomizer External Passing Juice
Integer Widget Wizard Internal Passing Juice
Draw Widget Wizard Internal Passing Juice
HTTP API Internal Passing Juice
Guidelines Internal Passing Juice
Banned Hosts Internal Passing Juice
Introduction to Randomness Internal Passing Juice
History Internal Passing Juice
Many Testimonials Internal Passing Juice
Acknowledgements Internal Passing Juice
Quotations Internal Passing Juice
Media Coverage and Scientific Citations Internal Passing Juice
News Internal Passing Juice
Real-Time Statistics Internal Passing Juice
Statistical Analysis Internal Passing Juice
Your Quota Internal Passing Juice
FAQ Internal Passing Juice
Newsletter Internal Passing Juice
Contact Details Internal Passing Juice
Register Internal Passing Juice
Premium Generator Internal Passing Juice
Randomness Trails Internal Passing Juice
Follow @RandomOrg External Passing Juice

SEO Keywords

Keywords Cloud randomorg pick generator numbers step service drawings randomness random how
Keywords Consistency
Keyword Content Title Keywords Description Headings
random 24
generator 15
numbers 15
how 12
randomness 11

Usability

Url Domain : random.org
Length : 10
Favicon Great, your website has a favicon.
Printability We could not find a Print-Friendly CSS.
Language Good. Your declared language is en.
Dublin Core This page does not take advantage of Dublin Core.

Document

Doctype XHTML 1.0 Transitional
Encoding Perfect. Your declared charset is UTF-8.
W3C Validity Errors : 8
Warnings : 9
Email Privacy Great no email address has been found in plain text!
Deprecated HTML Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
Excellent, your website doesn't use nested tables.
Too bad, your website is using inline styles.
Great, your website has few CSS files.
Perfect, your website has few JavaScript files.
Perfect, your website takes advantage of gzip.

Mobile

Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content

Optimization

XML Sitemap Missing

Your website does not have an XML sitemap - this can be problematic.

A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.
Robots.txt http://random.org/robots.txt

Great, your website has a robots.txt file.
Analytics Great, your website has an analytics tool.

   Google Analytics

PageSpeed Insights


73 / 100    Speed
  Should Fix:
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

  • https://connect.facebook.net/en_US/sdk.js (20 minutes)
  • https://apis.google.com/js/platform.js (30 minutes)
  • https://apis.google.com/js/rpc:shindig_random.js?onload=init (30 minutes)
  • https://cse.google.com/adsense/search/async-ads.js (60 minutes)
  • https://www.google.com/jsapi?autoload=%7B%22modules%22%3A%5B%7B%22name%22%3A%22search%22%2C%22version%22%3A%221.0%22%2C%22callback%22%3A%22__gcse.scb%22%2C%22style%22%3A%22https%3A%2F%2Fwww.google.com%2Fcse%2Fstatic%2Fstyle%2Flook%2Fv2%2Fdefault.css%22%2C%22language%22%3A%22en%22%7D%5D%7D (60 minutes)
  • https://ssl.google-analytics.com/ga.js (2 hours)
  • https://www.google-analytics.com/ga.js (2 hours)
  • https://www.random.org/css/mobile-style.css (4 hours)
  • https://www.random.org/css/style.css (4 hours)
  • https://www.random.org/graphics/nuvola/graph.png (4 hours)
  • https://www.random.org/graphics/nuvola/help.gif (4 hours)
  • https://www.random.org/graphics/nuvola/learn.png (4 hours)
  • https://www.random.org/graphics/rdo-logo-300x44.png (4 hours)
  • https://www.random.org/js/random.js (4 hours)
  • https://www.random.org/widgets/integers/iframe.js (4 hours)
Show how to fix
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

  • https://www.random.org/js/random.js

Optimize CSS Delivery of the following:

  • https://www.random.org/css/style.css
  • https://www.random.org/css/mobile-style.css
Show how to fix
  Consider Fixing:
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 4.4KiB (35% reduction).

  • Minifying https://www.google.com/uds/api/search/1.0/581c068e7ad56cae00e4e2e8f7dc3837/default+en.css could save 3.9KiB (40% reduction) after compression.
  • Minifying https://www.google.com/cse/static/style/look/v2/default.css could save 555B (18% reduction) after compression.
Show how to fix
Optimize images
Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 1.7KiB (86% reduction).

  • Compressing https://www.google.com/uds/css/v2/clear.png could save 898B (88% reduction).
  • Compressing https://www.google.com/uds/css/v2/search_box_icon.png could save 864B (84% reduction).
Show how to fix
  6 Passed Rules
Show details
Avoid landing page redirects

Your page has no redirects. Learn more about avoiding landing page redirects.

Enable compression

You have compression enabled. Learn more about enabling compression.

Reduce server response time

Your server responded quickly. Learn more about server response time optimization.

Minify HTML

Your HTML is minified. Learn more about minifying HTML.

Minify JavaScript

Your JavaScript content is minified. Learn more about minifying JavaScript.

Prioritize visible content

You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content.


92 / 100    User Experience
  Consider Fixing:
Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

  • The tap target <a href="/" class="active">Home</a> is close to 1 other tap targets final.
  • The tap target <a href="/#games">Games</a> and 8 others are close to other tap targets final.
  • The tap target <input id="true-random-in…-generator-min" type="text" name="true-random-in…-generator-min"> is close to 1 other tap targets final.
  • The tap target <label for="true-random-in…-generator-max">Max:</label> is close to 1 other tap targets final.
  • The tap target <input id="true-random-in…-generator-max" type="text" name="true-random-in…-generator-max"> is close to 1 other tap targets final.
  • The tap target <a href="mads/">Dr Mads Haahr</a> and 25 others are close to other tap targets.
  • The tap target <form id="u_0_1">Like1M</form> is close to 2 other tap targets.
  • The tap target <button id="u_0_3" type="submit" class="inlineBlock _2tga _49ve">Like1M</button> and 2 others are close to other tap targets.
  • The tap target <div id="button" class="FP uXa">Follow</div> is close to 2 other tap targets.
Show how to fix
  4 Passed Rules
Show details
Avoid plugins

Your page does not appear to use plugins, which would prevent content from being usable on many platforms. Learn more about the importance of avoiding plugins.

Configure the viewport

Your page specifies a viewport matching the device's size, which allows it to render properly on all devices. Learn more about configuring viewports.

Size content to viewport

The contents of your page fit within the viewport. Learn more about sizing content to the viewport.

Use legible font sizes

The text on your page is legible. Learn more about using legible font sizes.


82 / 100    Speed
  Should Fix:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 3 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

  • https://www.random.org/js/random.js
  • https://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js
  • https://www.random.org/js/simpledropdown.jquery.js

Optimize CSS Delivery of the following:

  • https://www.random.org/css/style.css
Show how to fix
  Consider Fixing:
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 2.8KiB (65% reduction).

  • Compressing https://platform.twitter.com/js/button.5b89bce04f133ec533459161985cf461.js could save 2.8KiB (65% reduction).
Show how to fix
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

  • https://cdn.syndication.twimg.com/widgets/followbutton/info.json?callback=__twttr.setFollowersCountAndFollowing&lang=en&screen_names=RandomOrg (10 minutes)
  • https://connect.facebook.net/en_US/sdk.js (20 minutes)
  • https://apis.google.com/js/platform.js (30 minutes)
  • https://apis.google.com/js/rpc:shindig_random.js?onload=init (30 minutes)
  • https://platform.twitter.com/widgets.js (30 minutes)
  • https://cse.google.com/adsense/search/async-ads.js (60 minutes)
  • https://www.google.com/jsapi?autoload=%7B%22modules%22%3A%5B%7B%22name%22%3A%22search%22%2C%22version%22%3A%221.0%22%2C%22callback%22%3A%22__gcse.scb%22%2C%22style%22%3A%22https%3A%2F%2Fwww.google.com%2Fcse%2Fstatic%2Fstyle%2Flook%2Fv2%2Fdefault.css%22%2C%22language%22%3A%22en%22%7D%5D%7D (60 minutes)
  • https://ssl.google-analytics.com/ga.js (2 hours)
  • https://www.google-analytics.com/ga.js (2 hours)
  • https://www.random.org/css/style.css (4 hours)
  • https://www.random.org/graphics/nuvola/graph.png (4 hours)
  • https://www.random.org/graphics/nuvola/help.gif (4 hours)
  • https://www.random.org/graphics/nuvola/learn.png (4 hours)
  • https://www.random.org/graphics/rdo-logo-475x70.png (4 hours)
  • https://www.random.org/graphics/tab_rounded.gif (4 hours)
  • https://www.random.org/js/random.js (4 hours)
  • https://www.random.org/js/simpledropdown.jquery.js (4 hours)
  • https://www.random.org/widgets/integers/iframe.js (4 hours)
Show how to fix
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 4.4KiB (35% reduction).

  • Minifying https://www.google.com/uds/api/search/1.0/581c068e7ad56cae00e4e2e8f7dc3837/default+en.css could save 3.9KiB (40% reduction) after compression.
  • Minifying https://www.google.com/cse/static/style/look/v2/default.css could save 555B (18% reduction) after compression.
Show how to fix
Optimize images
Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 8.9KiB (50% reduction).

  • Compressing and resizing https://www.random.org/graphics/nuvola/learn.png could save 6KiB (55% reduction).
  • Compressing https://www.random.org/graphics/rdo-logo-475x70.png could save 1.1KiB (24% reduction).
  • Compressing https://www.google.com/uds/css/v2/clear.png could save 898B (88% reduction).
  • Compressing https://www.google.com/uds/css/v2/search_box_icon.png could save 864B (84% reduction).
Show how to fix
  5 Passed Rules
Show details
Avoid landing page redirects

Your page has no redirects. Learn more about avoiding landing page redirects.

Reduce server response time

Your server responded quickly. Learn more about server response time optimization.

Minify HTML

Your HTML is minified. Learn more about minifying HTML.

Minify JavaScript

Your JavaScript content is minified. Learn more about minifying JavaScript.

Prioritize visible content

You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content.



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