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Openintro.org Onpage Report

 Updated on March 24 2024 06:36 AM

Old data? UPDATE this report !

The score is 56/100

SEO Content

Website Title

OpenIntro: developer and promoter of educational products that are free, transparent, and lower barriers to education.

Length : 118

Hey!, Your title should ideally be between 10 and 70 characters long (spaces included).

Website Description

OpenIntro's mission is to make educational products that are free, transparent, and lower barriers to education. We're a registered 501(c)(3) nonprofit.

Length : 152

Awesome. Your meta description has a length of 70 to 160 characters.


Hey! You should consider putting meta keywords on your page.

Og Meta Properties

Og Properties aren't being used on this page. This tag helps social crawlers like facebook and twitter to structure your page more effectively.


H1 H2 H3 H4 H5 H6
1 1 0 1 0 5
  • [H1] Publishing Done Right
  • [H2] Teacher Access
  • [H4] Ensuring every student has access
  • [H6] Statistics
  • [H6] Mathematics
  • [H6] Account
  • [H6] About
  • [H6] Company


We found 7 images on this web page.

Excellent!, Most of your image does have alt attributes which is important for SEO Image.

Text/HTML Ratio

Ratio : 22%

Good!, The text to HTML code ratio on this page is greater than 15 but less than 25.


Good!, you are not using Flash content.


Good!, This page does not contain any Iframes.

SEO URL Rewrite

Not Good. Your url have a query string and needs mod rewrite to be SEO friendly.

URL Underscores

Good! There are no underscores in your URLs.

In-page links

We found a total of 27 links including 0 link(s) to files

Anchor Type Juice
Home Internal Passing Juice
Books Internal Passing Juice
OpenIntro Statistics Internal Passing Juice
Introduction to Modern Statistics Internal Passing Juice
Intro Stat for Life & Biomedical Sci. Internal Passing Juice
Advanced High School Statistics Internal Passing Juice
Intro Stat w/Randomization & Sim. Internal Passing Juice
College Algebra and Trigonometry Internal Passing Juice
APEX Calculus Internal Passing Juice
Linear Algebra Internal Passing Juice
Forums Internal Passing Juice
Teacher Options Internal Passing Juice
Blog Internal Passing Juice
Statistics Internal Passing Juice
Mathematics Internal Passing Juice
Teachers Internal Passing Juice
Ref 1 Internal Passing Juice
Ref 2 Internal Passing Juice
Profile Internal Passing Juice
Settings Internal Passing Juice
Billing Internal Passing Juice
Notifications Internal Passing Juice
Our Team Internal Passing Juice
Common Questions Internal Passing Juice
Contact Internal Passing Juice
Terms of Use Internal Passing Juice
License Internal Passing Juice
Related: opensips.org, operaen.no and orangehrmlive.com

SEO Keywords

Keywords Cloud

transparent teachers products barriers lower free education access openintro educational

Keywords Consistency

Keyword Content Website Title Keywords Website Description Headings
openintro 5
free 4
teachers 4
access 4
educational 3



Domain : openintro.org

Length : 13


Nice, you are using Favicon for your website.


Ooops. Print-Friendly CSS recommended to your website.


Good. For declaring en as your website's language.

Dublin Core

Oops. Dublin Core isn't being used on this page.





Good!. For specifying UTF-8 as your page charset.

W3C Validity

Errors : 3

Warnings : 4

Email Privacy

Awesome!, For converting your email address into image. Plain text tends email harvesting softwares to get your email address and will get receive spam mails later on.

Deprecated HTML

Great! No obsolete or deprecated HTML tags on your website. This is recommended to improve visitor's user experience.

Speed Tips

Good, Your page are not using nested tables.
Not Good., We found inline styles in your website. Try to avoid this as much as possible.
Too bad, There are too many CSS files on your page. (more than 4).
Yes!, There are only a few JavaScript files on your website which is good for your website's speed.
Perfect, Your website makes use of Gzip compression.


Mobile Optimization

Apple Icon
Meta Viewport Tag
Flash content


XML Sitemap


Hey! This is not good. There is no XML sitemap on your website.
A sitemap is a list of URLs that are crawlable and can include information such as your site's frequency of changes and most recent updates.



Awesome, A robots.txt file exists on your website.


Awesome!, An analytics tool is in use on your website. This is a must have for every website to check visitors activity and to know how many visitors a site received each day.

   Google Analytics

PageSpeed Insights


More: oslobors.no, otomart.id, ouhsc.edu, owox.com, ozaktekstil.com.tr, ozodlik.org