Website review joyofcryptography.com
The Joy of Cryptography
Generated on December 28 2025 21:18 PM
Old data? UPDATE !
The score is 68/100
SEO Content
Title
The Joy of Cryptography
Length : 23
Perfect, your title contains between 10 and 70 characters.
Description
The Joy of Cryptography: a free undergraduate-level textbook that introduces students to the fundamentals of provable security
Length : 126
Great, your meta description contains between 70 and 160 characters.
Keywords
cryptography textbook crypto book open free security
Good, your page contains meta keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| title | The Joy of Cryptography |
| url | https://joyofcryptography.com |
| description | A free undergraduate-level textbook that introduces students to the fundamentals of provable security |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 1 | 6 | 0 | 0 | 0 |
- [H1] The Joy of Cryptography
- [H2] ☆ New Edition Coming January 2026 ☆
- [H3] Table of Contents
- [H3] About the Author
- [H3] Additional Information
- [H3] Argument from Authority
- [H3] How to Cite
- [H3] Acknowledgements
Images
We found 0 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 54%
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 32 links including 19 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| joyofcryptography.com | Internal | Passing Juice |
| pre-order it now on Amazon | External | Passing Juice |
| Click here | Internal | Passing Juice |
| Preface | Internal | Passing Juice |
| Review of Concepts & Notation | Internal | Passing Juice |
| One-Time Pad | Internal | Passing Juice |
| The Basics of Provable Security | Internal | Passing Juice |
| Secret Sharing | Internal | Passing Juice |
| Basing Cryptography on Intractable Computations | Internal | Passing Juice |
| Pseudorandom Generators | Internal | Passing Juice |
| Pseudorandom Functions & Block Ciphers | Internal | Passing Juice |
| Security against Chosen Plaintext Attacks | Internal | Passing Juice |
| Block Cipher Modes of Operation | Internal | Passing Juice |
| Chosen Ciphertext Attacks | Internal | Passing Juice |
| Message Authentication Codes | Internal | Passing Juice |
| Hash Functions | Internal | Passing Juice |
| Authenticated Encryption & AEAD | Internal | Passing Juice |
| RSA & Digital Signatures | Internal | Passing Juice |
| Diffie-Hellman Key Agreement | Internal | Passing Juice |
| Public-Key Encryption | Internal | Passing Juice |
| Index of security definitions | Internal | Passing Juice |
| Mike Rosulek | External | Passing Juice |
| Creative Commons BY-NC-SA 4.0 | External | Passing Juice |
| @JoyOfCrypto | External | Passing Juice |
| University of Illinois | External | Passing Juice |
| George Mason University | External | Passing Juice |
| Johns Hopkins University | External | Passing Juice |
| Chinese University of Hong Kong | External | Passing Juice |
| simple.css | External | Passing Juice |
| pre-order it now on Amazon | External | Passing Juice |
| table of contents | Internal | Passing Juice |
| here | External | Passing Juice |
SEO Keywords
Keywords Cloud
now cryptography book security from mike university edition joy rosulek
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| university | 10 |  |
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| cryptography | 10 |  |
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| joy | 9 | |
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| book | 8 | |
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| from | 6 | |
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Usability
Url
Domain : joyofcryptography.com
Length : 21
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
Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
Deprecated HTML
| Deprecated tags | Occurrences |
|---|---|
| <center> | 1 |
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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Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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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
Missing
Your website does not have an XML sitemap - this can be problematic.
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 intelligently.
Robots.txt
https://joyofcryptography.com/robots.txt
Great, your website has a robots.txt file.
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 in order to cross-check the data.
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
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