If you are on WordPress or Ghost, test your theme by dragging your browser window to the size of a phone. Does the text reflow? Do images shrink? If not, change themes immediately.
Yes, QR codes are back. Generate a QR code that links directly to your review. Print it on bookmarks, stickers, or even a note inside a Little Free Library. People scan these with their phones instantly. published a book review online portable
Tip: Keep an original Markdown source; export to HTML and PDF as needed. If you are on WordPress or Ghost, test