Watermarking is most effective when text remains readable after platform recompression. Keep contrast high and opacity moderate so the mark survives resizing, while still preserving the underlying image for normal viewing.
For portfolio protection, use repeated patterns with wider spacing on large images. For brand attribution, a single corner watermark with subtle shadow is usually cleaner. Finalize watermark after resize/compress steps to avoid repeated degradation.
Corner placement is standard for brand marks. Center or repeated layouts work better when anti-theft visibility is the priority.
About 20-40% is a practical range for many photos. Increase for busy backgrounds or high-compression destinations.
Use at least one of them. They improve readability across mixed backgrounds and reduce watermark loss after recompression.
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