You can't prevent every image download—screenshots and saves exist. You can stop other sites from embedding your media URLs and burning your hosting bandwidth, reduce casual theft, and help Google see your WordPress site as the original source.
Know what you're defending
- Bandwidth: external sites hotlink your image URLs directly
- Brand: competitors reuse tutorial screenshots or product photos
- SEO: duplicate images ranking in image search ahead of you
Watermarks help recognition; they don't stop determined copiers.
Block hotlinking at server or CDN
Apache .htaccess rules can allow your domain and search engines while blocking foreign referrers. Cloudflare Hotlink Protection under Scrape Shield does similar with less config. Plugins like All In One WP Security include toggles for beginners.
Right-click disable: limited value
JavaScript blocking context menus annoys legitimate readers and fails against DevTools. Use sparingly on portfolio sites if clients insist—know the limits.
Watermarking and metadata
Semi-transparent logos on corner of unique tutorial screenshots discourage reuse in ads. Embed copyright in EXIF where workflows allow. Keep source files and publish dates for DMCA requests.
Serve sensible public sizes
Full-resolution files belong in lightboxes or downloads. Public blog images at 1200px wide load faster and look less attractive to resellers. WordPress generates multiple sizes—use them.
Media library hygiene
Rename uploads with descriptive slugs (wordpress-security-scan.webp). Disable attachment pages if your theme creates thin /attachment/ URLs competing with posts.
Monitor unauthorized use
Google reverse image search and TinEye monthly on hero images. Google Alerts on brand plus distinctive file names occasionally catches scrapers republishing your WordPress guides.
AdSense and duplicate content
Stolen images rarely cause disapproval alone, but duplicating the same featured image across many thin posts hurts quality signals. Use unique visuals per article when possible.
Practical summary
Combine CDN hotlink protection, compressed public sizes, descriptive alt text, and footer copyright notice. That covers ninety percent of what WordPress publishers need without impossible "100% protection" plugins.