Each tool on OmniSite solves a problem people run into. These guides explain the problem itself: what is going on underneath, why it goes wrong, and how to fix it.
Why Your Emails Go to Spam: SPF, DKIM and DMARC ExplainedMail that lands in spam is usually a DNS problem, not a content problem. How SPF, DKIM and DMARC work, the mistakes that break them, and how to fix each one.What Your Photos Reveal: The Hidden Data Inside Every PicturePhotos can carry the exact spot they were taken, the time, your camera's serial number and an uncropped preview. What is stored, who strips it, and how to remove it.Why Your QR Code Won't Scan, and How to Fix ItA step-by-step checklist for QR codes that fail: contrast, quiet zone, density, print size, logos, inverted colors and broken links, with the fix for each.Why One Emoji Cuts Your Text Message Limit in HalfText messages hold 160 characters until one character forces Unicode and the limit drops to 70. Which characters do it, why, and how it changes what you pay.How Long Would It Take to Crack Your Password?The math behind password cracking: guessing speeds for online and offline attacks, why length beats symbols, and what actually keeps accounts safe.Why Your Link Preview Shows the Wrong Image, and How to Fix ItWhen a shared link shows no picture, an old picture or the wrong title, the cause is in a handful of meta tags. How preview crawlers work and how to fix each failure.

