Publisher ID found
One or more public IDs were detected. Confirm they belong to the expected publisher account.
Google Publisher ID Finder
Scan a public page for Google AdSense publisher IDs such as ca-pub values.
This finder extracts public publisher IDs. It does not reveal private account ownership or account-level status.
ca-pub IDsads.txt pub IDspage codeID match
Overview
About this Google Publisher ID Finder
The Google Publisher ID Finder extracts public AdSense publisher IDs from a page and its ads.txt file. It looks for ca-pub values in page code and pub IDs in seller records, then summarizes whether the IDs appear consistent.
This is helpful when a website changes owners, themes, plugins, ad managers, or CMS templates. Multiple publisher IDs can remain in old snippets and cause confusion when troubleshooting ads.txt warnings, missing ads, or unexpected monetization setup.
How it works
Check a domain or URL in three steps
- 1
Enter a domain or page URL.
- 2
The finder fetches public HTML and extracts ca-pub values from visible code.
- 3
It also checks root ads.txt for Google pub IDs and compares those IDs when possible.
What this checker looks for
Publisher ID finder
ca-pub values
Publisher IDs embedded in AdSense script URLs, ad unit markup, or legacy code.
ads.txt pub IDs
Public pub IDs listed in the domain's ads.txt seller lines.
Multiple IDs
Cases where a page or seller file references more than one publisher ID.
ID consistency
Whether IDs found in page code and ads.txt appear to align.
Output language
Publisher ID: Found / Not Found.
Detected IDs: ca-pub-xxxxxxxxxxxxxxxx.
ads.txt ID match: Match / Mismatch / Unable to verify.
Use it for setup troubleshooting
Confirm that the publisher ID in your page code matches the ID expected in AdSense and ads.txt, especially after theme, plugin, or ownership changes.
Features
- Finds ca-pub publisher IDs in public page code.
- Extracts pub IDs from root ads.txt seller records.
- Highlights multiple public IDs on the same site.
- Compares page code and ads.txt ID consistency.
- Separates public ID discovery from private account ownership.
Benefits
- Identify copied, old, or unexpected publisher IDs quickly.
- Troubleshoot ads.txt mismatch warnings with public evidence.
- Clean up templates, themes, plugins, and ad manager snippets.
- Review a domain before migration, acquisition, or monetization setup.
Use cases
- Site owners checking which publisher ID is installed on a page.
- Developers auditing ad code after a redesign or CMS migration.
- Publishers comparing page code IDs with ads.txt IDs.
- Domain buyers reviewing whether old monetization code remains in the site.
How to interpret results
Read the result as a public signal report
Multiple IDs found
Multiple public IDs may be intentional, but they often indicate old snippets, plugins, partners, or copied code that should be reviewed.
ID mismatch
The page and seller file appear to reference different IDs. Check theme code, ads.txt, ownership changes, and ad manager setup.
Limitations / disclaimer
What this tool cannot confirm
- The finder cannot reveal private account owner names, emails, or account status.
- It only extracts IDs that are publicly visible in fetched HTML or ads.txt.
- Some IDs may be inserted by client-side scripts or ad managers after page render and may not be visible in the initial HTML.
Google Publisher ID Finder FAQ
Common questions about what this checker can verify and how to interpret the public report.
What is a Google publisher ID?
It is a public AdSense publisher identifier that usually starts with ca-pub and appears in ad code or seller files.
Can this identify the account owner?
No. It only extracts public IDs. It cannot reveal private account ownership, email addresses, or account status.
Why might a site have multiple publisher IDs?
Multiple IDs can come from old themes, plugins, ad managers, partner code, or copied snippets. They are worth reviewing when troubleshooting.
Should the publisher ID match ads.txt?
For direct AdSense setup, the public seller file should generally list the correct Google publisher ID used by the site.