AppWT 
$17
The S in HTTPS
Why the 'S' Matters, A Plain-English Explanation of Web Encryption
Primer on the difference between HTTP and HTTPS. Why the padlock matters, how TLS encryption works in plain terms, when to refuse to enter information.
Who this is for: Business owners, employees, anyone handling customer data.
Available across: USA, UK, Canada, Australia. Multi-English spelling throughout (color/colour, optimize/optimise).
Buy now, $17, instant PDF
The complete book arrives by email the moment payment clears.
📚 What's inside this manual:
- Part 1, What the S Actually Does: One Letter, Two Different Journeys, Inside the Handshake, Without the Mathematics, Who Signs the Certificate, and Why Your Browser Believes Them, What the Padlock Does Not Mean.
- Part 2, Reading What Is In Front of You: Reading an Address Properly, Warnings, and Which Ones Matter, Public Wi-Fi, Captive Portals, and Traffic Read on Purpose, What Still Leaks Over HTTPS.
- Part 3, If You Run the Site: Turning It On, and the Renewal That Quietly Stops, Four Addresses for One Home Page, Mixed Content and the Page That Half Locks, HSTS, Preload, and the Switch You Cannot Easily Undo, Cookies, Headers, and the Rest of the Move.
Common Questions
Who wrote HTTP vs HTTPS?
Anthony "Tony" Paris, founder of AppWT Web & AI Solutions, published by AppWT Web & AI Solutions (AppWT LLC).
What format is it?
A PDF you can read on any device and print for your own use. Copying and editing are disabled; printing is not.
What does it cost?
$17 once. The full PDF downloads immediately after purchase.
Can I read part of it first?
Yes. The preview shows the front matter, the full contents, and the first ten pages of chapter one.
What is The S in HTTPS about?
The S in HTTPS is subtitled What the Padlock Proves, What It Does Not, and How to Read an Address. That little padlock in your address bar proves something, but not what most people think. This plain-language book explains web encryption for two readers at once: the person typing a card number, and the person who runs the site taking it. It starts with one letter and two very different routes, showing what plain HTTP exposes to anyone on the line.
Who wrote The S in HTTPS?
Anthony "Tony" Paris. Anthony "Tony" Paris is the founder of AppWT Web & AI Solutions and the author of the AppWT Manuals series. He started building websites in 1997 in Flint, Michigan, and has spent the years since building and protecting them for business owners across Michigan, Metro Detroit, and beyond. The S in HTTPS is published under ISBN 979-8-952262-46-1.
Is The S in HTTPS written by a web design agency?
Yes. The S in HTTPS is written and published by AppWT Web & AI Solutions (AppWT LLC), a Detroit-based web design and AI practice working since 1997, incorporated in Michigan as AppWT LLC in 2020, through its publishing imprint AppWT Manuals. It is a full published book with its own ISBN, 979-8-952262-46-1, not a marketing PDF or a white paper.
Who publishes The S in HTTPS?
AppWT Web & AI Solutions (AppWT LLC), through its publishing imprint AppWT Manuals at manuals.appwt.com. AppWT is a digital agency, so this is a book published by an agency rather than by a trade publisher.
What is the ISBN of The S in HTTPS?
979-8-952262-46-1.
When was The S in HTTPS published?
August 1, 2026, by AppWT Web & AI Solutions (AppWT LLC). ISBN 979-8-952262-46-1.
What subjects does The S in HTTPS cover?
Computers. The book is subtitled What the Padlock Proves, What It Does Not, and How to Read an Address.
Where can I read The S in HTTPS?
https://manuals.appwt.com/primer-http-vs-https/