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 Generated on March 30 2016 04:57 AM

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SEO Content

Title 21 - The 21 Bitcoin Computer

Length : 28

Perfect, your title contains between 10 and 70 characters.
Description Introducing the first Bitcoin computer. The 21 Bitcoin Computer is the first computer with native hardware and software support for the Bitcoin protocol.

Length : 153

Great, your meta description contains between 70 and 160 characters.
Og Meta Properties Good, your page takes advantage of Og Properties. You can click the expand button below-right to see what it contains.

Property Content
image https://assets.21.co/landing/img/opengraph.png
title 21 - The 21 Bitcoin Computer
description Introducing the first Bitcoin computer. The 21 Bitcoin Computer is the first computer with native hardware and software support for the Bitcoin protocol.
url https://21.co/
H1 H2 H3 H4 H5 H6
7 0 0 0 0 0
  • [H1] Introducing the First Bitcoin Computer
  • [H1] Plug inStart up
  • [H1] The 21 Bitcoin Chip
  • [H1] A fully programmable environment to buy and sell digital goods
  • [H1] All-in-one
  • [H1] Free, as in Free Market
  • [H1] Get started with the 21 bitcoin computer today
Images We found 22 images on this web page.

20 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 : 14%

This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content. Search engines these days are smart enough to figure out if a page is on-topic and interesting enough to get higher rankings in their search results.

Try to write a good article around 1500 words and check for grammar and spelling errors. As they say in the SEO world: "Content is King."
Flash Perfect, no Flash content has been detected on this page.
Iframe Great, there are no IFrames detected on this page.

URL Rewrite Good!
Underscores in the URLs Perfect! No underscores detected in your URLs.
In-page links We found a total of 9 links including 0 link(s) to files

Anchor Type Juice
Marketplace Internal Passing Juice
Buy Internal Passing Juice
Setup Internal Passing Juice
Tutorials Internal Passing Juice
Community Internal Passing Juice
About Internal Passing Juice
Learn More Internal Passing Juice
Learn More Internal Passing Juice
Learn More Internal Passing Juice

SEO Keywords

Keywords Cloud set now digital buy sell learn goods computer more bitcoin
Keywords Consistency
Keyword Content Title Description Headings
bitcoin 19
buy 12
now 10
computer 10
more 7


Url Domain : 21.co
Length : 5
Favicon Great, your website has a favicon.
Printability We could not find a Print-Friendly CSS.
Language Good. Your declared language is en.


Doctype HTML 5
Encoding Perfect. Your declared charset is UTF-8.
W3C Validity Errors : 18
Warnings : 0
Email Privacy Great! No email address has been found as plain text!
Deprecated HTML Great! We haven't found any deprecated HTML tags.
Speed Tips
Excellent, your website doesn't use nested tables.
Your website is using inline styles.
Your website has too many CSS files (more than 4).
Your website has too many JS files (more than 6).
Your website does not take advantage of gzip.


Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content


XML Sitemap Missing

Your website does not have an XML sitemap - to make it easier for search engines to find your pages it is wise to generate a sitemap.

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 efficiently.

Go here to know more on how to set this up: http://www.sitemaps.org/protocol.html

If you have a lot of pages (up to 500 pages is free) you can auto generate them here: https://www.xml-sitemaps.com
Robots.txt Missing

Your website doesn't have a robots.txt file - this can be problematic.

A robots.txt file allows you to restrict the access of search engine robots that crawl the web and it can prevent these robots from accessing specific directories and pages. It also specifies where the XML sitemap file is located.

For more information on how to do this: www.robotstxt.org
Analytics Missing

We didn't detect an analytics tool installed on this website.

Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but it can also be good to install a second one in order to cross-check the data. This can be Google Analytics or Clicky.com

PageSpeed Insights


Clicky Web Analytics