Updated on September 17 2023 07:50 AM
Old data? UPDATE this report !
The score is 56/100
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).
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.
We found 7 images on this web page.
Excellent!, Most of your image does have alt attributes which is important for SEO Image.
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.
Good! There are no underscores in your URLs.
We found a total of 27 links including 0 link(s) to files
|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|
|Teacher Options||Internal||Passing Juice|
|Ref 1||Internal||Passing Juice|
|Ref 2||Internal||Passing Juice|
|Our Team||Internal||Passing Juice|
|Common Questions||Internal||Passing Juice|
educational access education lower products transparent free openintro teachers barriers
|Keyword||Content||Website Title||Keywords||Website Description||Headings|
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.
Oops. Dublin Core isn't being used on this page.
Good!. For specifying UTF-8 as your page charset.
Errors : 3
Warnings : 4
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.
Great! No obsolete or deprecated HTML tags on your website. This is recommended to improve visitor's user experience.
|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).|
|Perfect, Your website makes use of Gzip compression.|
|Meta Viewport Tag|
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.