To troubleshoot the issue of Giftful not allowing you to add links and leaving them blank, follow these step-by-step instructions:

1. Verify Link Format: Ensure that the links you are trying to add are in the correct format (i.e., include http:// or https://). Giftful may not accept links that are not properly formatted.

2. Check Site Restrictions: Some websites may have restrictions that prevent their links from being added. If the links you are trying to add are from a problematic source, consider using links from more reliable sites. You can check frequently asked questions about Giftful - [learn more].

3. Test Different Links: Since you mentioned trying different links, continue to test various websites. Popular e-commerce sites like Amazon or eBay are more likely to work compared to less-known sites.

4. Link Length and Complexity: If your link is overly long or contains specially encoded characters, try shortening it using a link shortener (like bitly) and then add it to Giftful. Some systems may have issues with long URLs.

5. Content and Compatibility Check: Make sure that the content of the page you are linking to is compatible with Giftful's requirements. This may mean linking directly to a product rather than a search results page. Issues may arise if you’re linking to a page that doesn’t clearly correspond to a purchasable item.

6. Try Incognito Mode: There may be browser plugins or settings interfering with website functionality. Open Giftful in an incognito or private browsing mode to test if the problem persists.

7. Clear Browser Cache: Sometimes, accumulated data can cause functionality issues. Clear your browser’s cache and cookies, then attempt to add your links again.

8. Consult Support: If you've exhausted the above steps without success, consider reaching out to Giftful's customer support for personalized assistance. It may also be helpful to refer to the Giftful FAQ page for additional guidance - [learn more].

9. Social Media Insights: Since other users have faced similar challenges, look for relevant discussions on platforms like TikTok for community suggestions. For example, posts regarding links not working have surfaced recently, indicating a possible broader issue - learn more - learn more.

Following these steps should help resolve the issue. If you continue to experience challenges, documenting the errors or unable links and reporting them directly to the Giftful team will assist them in addressing potential platform limitations.