Website review freetechbooks.com
Database of Free Online Computer Science and Programming Books, Textbooks, and Lecture Notes
Generated on March 20 2026 13:22 PM
Old data? UPDATE !
The score is 54/100
SEO Content
Title
Database of Free Online Computer Science and Programming Books, Textbooks, and Lecture Notes
Length : 92
Ideally, your title should contain between 10 and 70 characters (spaces included). Use this free tool to calculate text length.
Description
This site lists free online computer science, engineering and programming books, textbooks and lecture notes, all of which are legally and freely available.
Length : 156
Great, your meta description contains between 70 and 160 characters.
Keywords
Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| url | https://freetechbooks.com |
| type | frontpage |
| title | Free / Open Acess Online Computer Science Books, Textbooks, and Lecture Notes |
| description | This site lists free online computer science, engineering and programming books, textbooks and lecture notes, all of which are legally and freely available. |
| image | https://freetechbooks.com/uploads/logo_left.gif |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 0 | 0 | 0 | 0 | 0 |
Images
We found 37 images on this web page.
2 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 : 30%
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
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 43 links including 0 link(s) to files
SEO Keywords
Keywords Cloud
date textbook book type creative document post license commons publication
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| date | 58 |  |
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| textbook | 32 |  |
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| document | 30 | |
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| type | 30 | |
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| publication | 29 | |
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Usability
Url
Domain : freetechbooks.com
Length : 17
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
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
| Deprecated tags | Occurrences |
|---|---|
| <center> | 4 |
Deprecated HTML tags are HTML tags that are no longer used. It is recommended that you remove or replace these HTML tags because they are now obsolete.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
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Too bad, your website is using inline styles. |
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Too bad, your website has too many CSS files (more than 4). |
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Too bad, your website has too many JS files (more than 6). |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://freetechbooks.com/sitemap.xml |
| http://freetechbooks.com/sitemap.xml |
Robots.txt
https://freetechbooks.com/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
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