What to Do if Your Website Is Blacklisted (Full Playbook)
If your website is blacklisted, work through four steps in order: confirm which vendors flagged you, clean the underlying problem, request a review from each vendor, then monitor until every listing clears. Skipping the cleanup step is the most common reason reviews get rejected.
A blacklist is any security database that warns browsers, search engines, or email servers away from your domain. Google's Safe Browsing protects billions of devices, so a single listing can wipe out most of your traffic overnight. The good news: listings are reversible once you fix the cause and ask each vendor to recheck.
TL;DR: A blacklisted site usually recovers in days, not weeks, if you follow the order. Confirm the flag, remove the malicious code or content, then submit a review request to each flagging vendor. Google reviews most clean sites within 72 hours. Clean first, request second, monitor last.
remove your website from a blacklist
What does it mean when your website is blacklisted?
Being blacklisted means at least one security vendor has added your domain to a list of sites considered dangerous. Browsers then show red warning screens, search rankings drop, and emails bounce. Google Safe Browsing alone flags hundreds of thousands of sites; in a single week it has listed over 1 million unsafe URLs, most for malware or phishing.
Blacklists fall into three rough groups. Browser and search blocklists (like Google Safe Browsing) trigger those full-page "Deceptive site ahead" warnings. Antivirus and security-vendor blocklists (the ones VirusTotal aggregates) flag your URL inside products like Norton, McAfee, or Fortinet. Email blocklists (RBLs) bounce your outgoing mail. One root cause often lands you on several at once.
It's worth knowing why it happened. Most listings trace back to a real compromise: injected malware, a phishing kit uploaded by an attacker, or spammy redirects. A smaller share are false positives, where a vendor's automated scanner misreads something harmless. Either way, the fix follows the same path.
Google Safe Browsing protects billions of devices and has flagged more than 1 million unsafe URLs in a single week, according to Google's Transparency Report. A blacklisting means at least one vendor has classified your domain as dangerous, triggering browser warnings, ranking drops, and email bounces.
If you're seeing a specific browser warning, our guide to the "Deceptive site ahead" red screen explains exactly what Google is detecting and how to clear it.
How do you confirm which blacklists flagged your site?
Confirm your listings by scanning your domain against multiple databases at once, because you're rarely on just one. Run your domain through an aggregator that checks Google Safe Browsing, major antivirus engines, and reputation services together. VirusTotal aggregates over 70 security vendors in a single lookup, which is the fastest way to see the full picture.
Start with these checks. First, look at your own site in an incognito window and watch for browser warnings. Second, open Google Search Console and check the Security Issues report, which is the only authoritative source for what Google itself flagged. Third, run a multi-vendor scan to catch antivirus and reputation listings you'd otherwise miss.
Our free blacklist checker does the multi-vendor lookup in one step and tells you exactly which vendors flagged you and why. That list matters, because every vendor has its own separate review process — clearing one does nothing for the others.
VirusTotal aggregates more than 70 antivirus and security vendors in a single scan, per VirusTotal's documentation. Confirming a blacklisting requires checking multiple databases at once, since a single root cause commonly produces listings across several unrelated vendors simultaneously.
In our experience running unflag, the biggest early mistake is assuming one warning equals one problem. We scan each domain across 124 active security vendors — antivirus engines, web blocklists, and search/RBL sources together — and owners are routinely surprised by how many lists they're on. People clear the Google flag, celebrate, then discover their email is still bouncing because an RBL listing was never touched. Always get the complete vendor list before you start requesting reviews.
How do you clean a hacked website before requesting review?
Clean the website before you ask any vendor to recheck it, because reviewers re-scan your live site and will reject a request if the threat is still present. Hacked sites that get cleaned and resubmitted are typically cleared quickly, but resubmitting a still-infected site just burns time. Sucuri reports that reinfection is common when owners skip the root-cause fix.
Find and remove the malicious code
Locate the infection first. Common hiding spots include injected scripts in theme files, rogue admin users, malicious files in your uploads folder, and modified .htaccess redirects. Outdated plugins are the usual entry point — Patchstack found that vulnerable plugins accounted for the vast majority of WordPress vulnerabilities disclosed in 2024. Update everything, then remove the malware itself or use a reputable cleanup tool.
Close the door behind you
Removing the code isn't enough if the attacker can walk back in. Change all passwords, rotate any API keys, update every plugin and theme, and remove unfamiliar admin accounts. In our experience running unflag, the sites that come back to us after a re-flag almost always missed a single surviving backdoor file — the vendor review passes, then fails again on the next scan. We don't scan or clean sites ourselves, so we see this pattern from the dispatch side: a clean resubmission clears, an incomplete one quietly re-lists.
Important: unflagdomain does not scan or clean malware for you. We handle the part that comes after — getting your cleaned site reviewed by every vendor. You (or your developer) clean first; the dispatch comes second.
Patchstack's 2024 research found vulnerable plugins accounted for the overwhelming majority of new WordPress vulnerabilities, per Patchstack's State of WordPress Security 2024. Cleaning the root cause before requesting a vendor review is essential, because reviewers re-scan the live site and reject requests when the threat persists.
How do you request a review from each vendor?
Request a review separately from every vendor that flagged you, because there is no central "remove me everywhere" button. Each maintains its own process, contact, and timeline. Once your site is genuinely clean, Google reviews most sites and lifts the warning within a few days, often 72 hours, but only after you submit the request.
Google Safe Browsing (manual, in Search Console)
Google's review is fully manual and lives inside Google Search Console — there's no API and no way to automate it. Open the Security Issues report, confirm you've fixed the problem, then click "Request Review" and describe what you cleaned. Our step-by-step Google Safe Browsing removal guide walks through the exact screens. This is the one vendor you'll always handle yourself by hand.
Antivirus and reputation vendors (email and forms)
Most other vendors accept removal requests by email or a web form. The catch is volume: a typical compromised site is flagged by several vendors at once, each needing its own polite, specific request explaining the site is cleaned. Sending one generic blast doesn't work — vendors filter identical messages as spam.
what to do when your site is flagged
This is where unflagdomain helps. For €39 per domain, we generate a unique, plain-text removal request for each flagging vendor — varied so they don't read as identical spam — and dispatch them on your behalf over a randomized window so the batch doesn't trip volume filters. Your email is set as the reply-to address, so vendor responses land directly in your inbox. Vendors that only accept web forms (like AVG or ESET) or manual review (Google Safe Browsing) become guided dashboard cards instead, and the dashboard shows real sent, bounced, and failed counts per vendor — we re-dispatch on a bounce. We guarantee the requests go out; vendors make the final delisting decision, not us. If you're working through this manually, our guide on what to do when your site is flagged covers the per-vendor details.
Google reviews most cleaned sites and removes Safe Browsing warnings within a few days, frequently 72 hours, according to Google Search Central documentation. Each vendor maintains a separate review process, so requests must be submitted individually to every database that flagged the domain.
What if it's a false positive?
If a vendor flagged your clean site by mistake, the process is the same: request a review and clearly state the site is safe. This applies to website and URL false positives only — flagged downloadable files or EXE installers are a different category and outside what a delisting-request tool can help with. Be specific about what the scanner likely misread.
How long does delisting take and how do you monitor it?
Delisting timelines vary by vendor, from under a day to a couple of weeks. Google typically clears clean sites within 72 hours of a review request. Antivirus vendors range more widely. Because there's no unified status feed, you have to monitor each listing until it actually clears.
Keep checking after you submit. Re-run a multi-vendor blacklist scan every couple of days and watch which vendors drop off. Watch Search Console for the Security Issues report to go green. And keep an eye on your traffic and email deliverability as the real-world signal that warnings have lifted.
Monitoring isn't just about confirming success — it's your early warning for reinfection. In our experience running unflag, when a listing clears and then reappears it's almost always a missed backdoor rather than a vendor error. We re-dispatch automatically if a request bounces, but a re-listing after a clean review is a different signal entirely: treat it as a reason to clean again, harder, rather than to resubmit the same request.
Google typically removes Safe Browsing warnings within 72 hours of a successful review, per Google Search Central. Because no unified status feed exists across vendors, owners must monitor each listing individually, re-scanning every few days until every database confirms the domain is clean.
Putting the playbook together
Recovering from a blacklisting comes down to discipline, not luck. Confirm every vendor that flagged you, clean the root cause completely, request a review from each vendor, then monitor until all listings clear. Most clean sites recover within days — Google alone clears most reviews within 72 hours.
The order matters more than the speed. Clean before you request, request every vendor separately, and never resubmit an infected site. If the per-vendor outreach feels overwhelming, that's the part unflagdomain can dispatch for you once your site is clean — though every vendor still makes its own delisting call.
It varies by vendor. Google Safe Browsing typically clears a cleaned site within 72 hours of a review request, per Google Search Central. Antivirus and reputation vendors range from a day to about two weeks. Since each vendor reviews separately, full recovery usually takes several days once your site is genuinely clean.
Most listings trace to a real compromise you may not have noticed: injected malware, a phishing kit, or spam redirects, often through an outdated plugin. Patchstack found vulnerable plugins caused most WordPress vulnerabilities in 2024. A smaller share are false positives, where a scanner misreads harmless content. Either way, the fix follows the same review process.
No. There's no central button that removes you everywhere. Each vendor maintains its own review process, contact method, and timeline, so you must submit a separate request to every database that flagged you. A multi-vendor scan first tells you exactly which vendors to contact, since one root cause often triggers several listings.
Yes, always clean first. Reviewers re-scan your live site, so a request submitted while malware is still present gets rejected, wasting time. Remove the malicious code, then close the entry point by updating plugins, rotating passwords, and deleting unknown admin accounts. Only request reviews once the site is genuinely and completely clean.
Open Google Search Console, check the Security Issues report to see what was flagged, clean the underlying problem, then click Request Review and describe your fix. Google's review is fully manual with no API, and it typically clears clean sites within 72 hours, according to Google Search Central documentation.