If you think this URL is a valid phishing site (or other type of malicious site), click the button to start the reporting process.
The Safe Browsing service powers a big red warning page in most major browsers.
Netcraft have browser extensions that warn phishing victims and they work with providers to take down reported sites.
Microsoft run their own scheme to flag suspsicious sites.
VirusTotal aggregate many different phishing and malware detection products and let you submit to all of them in one go.
urlscan.io is a free service to scan and analyse websites using a headless browser. It lets researchers pivot to find similar phishing sites.
Volunteers classify sites submitted to phishtank.com and validated submissions end up feeding into blocklists.