If you landed on clear.sjv.io expecting a real website, you probably got a blank page with a message saying the link is malformed. That's because this domain doesn't seem to host any content at all — it simply returns a 404 error. For a domain that appears to be part of a tracking or affiliate link network, that's a red flag. Legitimate tracking services like Skimlinks or VigLink at least redirect you to a real product page; this one goes nowhere.
There's no way to verify who owns clear.sjv.io. The whois lookup failed, there's no about page, no privacy policy, and no social media presence. To make matters worse, the site blocks search engines from crawling it, which is unusual for any service that wants to be found. Without a functioning page or any transparency, there's nothing to evaluate for trust. If you see a clear.sjv.io link somewhere, treat it as broken — and be cautious about clicking similar shortened or tracking domains that lack clear ownership. This isn't a scam in the traditional sense, but it's also not a site you can rely on for anything.