testsafebrowsing.appspot.com
Category: Technology
- Don't sign in or pay here. Close it. If you typed a password, change it where you normally use it.
- Already visited? Check your device. A free scan shows whether anything was installed.
- Stop the next one. Combo Cleaner's web protection blocks phishing and scam sites before they load.
Combo Cleaner is PCrisk's own anti-malware tool, owned by RCS LT. Free to scan; removing what it finds needs a licence (7-day free trial).
Quttera Web Malware Removal is a paid subscription service. Pricing, plans, and trial availability are set by Quttera. Quttera is operated by Quttera Ltd, an independent third-party company unrelated to RCS LT. PCrisk.com may earn a referral commission when users sign up through this link.
Description of testsafebrowsing.appspot.com
testsafebrowsing.appspot.com appears to be a web page used for browser security-warning testing rather than a conventional public-facing website. The page title, "Safe Browsing Testing Links," and the visible content indicate that it hosts sample links intended to trigger phishing, malware, unwanted software, download, password-reuse, and suspicious-site warnings in browsers and related security systems.
Based on the domain structure, the page is hosted on Google's App Engine platform under the appspot.com domain space. The content shown in the screenshot suggests it is designed for developers, testers, or security teams who need to verify how browsers and protective controls respond to known warning scenarios, including desktop, mobile, and client-side detection cases.
Safety Assessment for testsafebrowsing.appspot.com
This domain produces mixed scan results at the time of this scan. It was flagged by 4 out of 92 security engines, and the malware scan also marked one test page and multiple linked resources with generic suspicious or malicious labels. In addition, two blacklist-style checks reported listings, while several other threat databases were clean. These findings may look concerning in isolation, but the page content itself appears to be intentionally built to simulate unsafe or warning-triggering scenarios, which can cause security tools to classify it aggressively.
Several of the flagged URLs include filenames such as sample executables, APKs, suspicious login pages, and restricted-content test pages. The screenshot and page title strongly suggest these are deliberate test artifacts for browser protection validation rather than a typical consumer website attempting to distribute harmful content. The domain is also long-established, uses valid HTTPS, and is hosted on major cloud infrastructure, which adds context but does not negate the point-in-time detections.
Based on available scan data and the visible purpose of the page, this website appears to be a security-testing resource that may intentionally trigger protective warnings. As a result, visitors may encounter browser alerts or blocked downloads when interacting with its links. Based on these findings, the site may pose practical risk if used casually, even though the observed behavior appears consistent with a testing environment at the time of this scan.
Technical Description
The site uses a valid SSL/TLS certificate issued by Google Trust Services, with expiry shown as 2026-12-11. It is served by Google Frontend from an IP associated with Google LLC, and the nameservers are Google-operated. DNSSEC appears to be unsigned at the time of this scan.
From an infrastructure perspective, the hosting setup appears consistent with a cloud application deployment on App Engine. The main technical concern is not weak transport security, but rather that the page intentionally exposes links and files designed to trigger malware, phishing, and suspicious-download detections. That means technical protections are present, but the hosted content may still activate browser or endpoint defenses by design.
Share your experience with this website. Was it safe? Did you encounter any issues?