
HTTPS Protects the Connection, but You Still Need the Right Website
Understand the role of HTTPS while checking the actual website address and the context of a request for information or a download.

Understand the role of HTTPS while checking the actual website address and the context of a request for information or a download.

Understand what an HTTP 404 response tells you and distinguish it from a connection failure before trying unrelated troubleshooting steps.

Separate a web address into domain, path, query and fragment so you can describe a link accurately without removing parts it may need.

Turn “it does not work” into a clear problem report with a small example, exact steps, expected behaviour and the result you actually observed.

Before clearing a synced folder, distinguish local storage from cloud storage and check how your service handles removal, sharing and online-only files.

Changing .png to .jpg does not convert the image inside. Learn how extensions, file contents and web media types relate to one another.

Private browsing changes what a browser retains locally, but it does not make every online action invisible. Learn the boundaries with practical examples.

Understand pixel dimensions and print density with a simple example, and learn why changing a PPI label does not create extra image detail.