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📤 Submit Your Website to "Theory"

Category: Theory (Sub Category)

By listing your articles in the Theory category of XD Directory, you are creating a link from a site search engines love.

Ready to scale your SEO? Submit your professional guest article to the Theory portal at XD Directory and enjoy permanent links.

Submit your website to XD Directory for maximum visibility and targeted traffic.

$5.00

One-Time Payment

✅ Lifetime Listing - Your link stays forever in XD Directory!

✅ 1 Primary Link with full description

✅ Detailed Description to showcase your site

✅ Guaranteed 48-Hour Review!

✅ Submissions to proper Sub Categories

✅ Listed below Featured Listings

✅ Never expires - Pay once, stay forever!

🔥 POPULAR

$8.00

One-Time Payment

⭐ Lifetime Premium Listing - Maximum visibility in XD Directory forever!

⭐ 1 Primary Link + 2 Extra Deep Links

⭐ Priority Placement above Regular Listings

⭐ Guaranteed 24-Hour Review!

⭐ Can Submit to Top Level Categories

⭐ Premium Positioning with special badge

⭐ Never expires - Lifetime premium benefits!