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 Generated on May 07 2016 18:11 PM

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SEO Content

Title Free Online Textbooks, Flashcards, Practice, Real World Examples, Simulations | CK-12 Foundation

Length : 96

Ideally, your title should contain between 10 and 70 characters (spaces included). Try to write a catchy title to get attention.
Description CK-12 Foundation provides a library of free online textbooks, videos, exercises, flashcards, and real world applications for over 5000 concepts from arithmetic to history

Length : 170

Ideally, your meta description should contain between 70 and 160 characters (spaces included).
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
site_name CK-12 Foundation
description CK-12 Foundation provides a library of free online textbooks, videos, exercises, flashcards, and real world applications for over 5000 concepts from arithmetic to history
image http://d7xhsdl7qa50.cloudfront.net/media/build-20160427213635/common/images/logo_ck12_xlarge.png
url http://www.ck12.org
H1 H2 H3 H4 H5 H6
0 0 3 1 0 0
  • [H3] Math
  • [H3] Science
  • [H3] More
  • [H4] CK-12 Overview
Images We found 38 images on this web page.

28 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 : 15%

Awesome! This page's ratio of text to HTML code is higher than 15, but lower than 25 percent.
Flash Perfect, no Flash content has been detected on this page.
Iframe IFrames elements were detected on this page. Search engines cannot read what is inside an IFrame (For example YouTube video's). It's not crucial, but if there is an alternative, please look into it.

URL Rewrite Your links have query strings. This is not very readable for your users.
Underscores in the URLs Perfect! No underscores detected in your URLs.
In-page links We found a total of 35 links including 0 link(s) to files

Anchor Type Juice
Help Internal Passing Juice
Join Internal Passing Juice
Explore now Internal Passing Juice
Simulations Internal Passing Juice
PLIX Internal Passing Juice
Practice Internal Passing Juice
Schools Internal Passing Juice
Our Mission Internal Passing Juice
Meet the Team Internal Passing Juice
Partners Internal Passing Juice
Press Internal Passing Juice
Careers Internal Passing Juice
Community Internal Passing Juice
Success Stories Internal Passing Juice
Blog Internal Passing Juice
Implementation Guide Internal Passing Juice
Pilot Program Internal Passing Juice
Help External Passing Juice
Contact Us Internal Passing Juice
Tools and Apps Internal Passing Juice
BRAINGENIEā„¢ Internal Passing Juice
FlexMath Internal Passing Juice
Stoodle Internal Passing Juice
- External Passing Juice
- External Passing Juice
- External Passing Juice
- External Passing Juice
- External Passing Juice
Terms of Use Internal Passing Juice
Privacy Internal Passing Juice
Attribution Guide Internal Passing Juice
- Internal Passing Juice
Learn more Internal Passing Juice
here Internal Passing Juice
X External Passing Juice

SEO Keywords

Keywords Cloud practice science explore ck-12 physics schools arithmetic get simulations grade
Keywords Consistency
Keyword Content Title Description Headings
science 6
ck-12 6
schools 4
simulations 3
explore 3


Url Domain : ck12.org
Length : 8
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 : 6
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.
Great, your website has a few CSS files.
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 http://ck12.org/robots.txt

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

   Google Analytics
   Google Tag Manager

PageSpeed Insights