Incomplete evidence: The visit did not complete. Counts below are lower bounds for a visit that did not finish, so an absence here is especially weak evidence. The evidence receipt states the exact per-visit quality.
Scan report ready for www.goodrx.com: 13 recorded request rows. The requested page was not established.
The selected visit failed. Retained requests describe only the returned document or partial visit; they cannot establish absence of activity on the requested page.
ShareDownloads the No blocking visit's request CSV, source report and correction context in a ZIP. Follows the evidence switcher below.PDF + evidence (opens in a new tab)Downloads a ZIP containing the PDF for every recorded visit, exact source JSON, correction context and file hashes. The scanner renders it on request.
What this actually means
goodrx.com returned HTTP 403 instead of a verified normal page load.
HTTP 403 denied this visit. Signals below describe the returned error or block page, not goodrx.com's normal behavior. The status alone cannot identify the cause (authentication, access policy, automation filtering, or another control).
The requested page responded with HTTP 403, so this report reflects the returned error or block document, not the site's normal behavior.
Tracker, cookie, storage, and fingerprinting signals here describe that returned document. They are retained evidence, not a privacy result for the site's normal page. The site answered and denied this visit. The status alone cannot distinguish authentication, access policy, automation filtering, or another cause, so a later re-scan may or may not differ. The request log and methodology below still show exactly what was observed.
13 requests observed before or with the error response.
Context
This Shields comparison is not conclusive
The "No blocking" visit returned HTTP 403, an error or block page, not the real site. and The "Brave-list blocking" visit returned HTTP 403, an error or block page, not the real site.
The raw request logs of both visits remain below for transparency, but the diff between them supports no claim about what the compared condition changed.
Other third-party operators were identified outside the tracking-service catalog
Google were named by consent-platform signatures, reviewed ownership, or CNAME evidence without being classified as tracking services.
Operator identity and tracking classification are separate: naming an operator does not prove that a request was for tracking. This scan could not identify 2 of the 4 third-party hosts recorded here, so it cannot say who operates them. That is a limit of identity coverage, not evidence about the site.
Requests were dispatched to major-platform domains the catalog does not carry
This visit dispatched requests to Google domains that the reviewed ownership map names, though the service catalog carries no entry for them.
Asset and font hosts reach this state often: the ownership map establishes who operates the domain, and nothing here establishes the request's purpose or payload. These domains are not counted as catalog-matched requests.
Returned HTTP 403 error or block page: No Google Analytics observed in retained evidence
This visit did not contact Google Analytics.
Neither Google Analytics nor its remarketing sync was observed in this visit. The page returned HTTP 403, so this absence describes an error or block page, not the site.
Returned HTTP 403 error or block page: No third-party cookies observed in retained evidence
The automated visit did not observe third-party cookies.
This does not prove the site never uses cookies; it means this visit did not observe third-party cookies. The page returned HTTP 403, so this absence describes an error or block page, not the site.
10 cookies total in this report.
Context
Input-monitoring signal involving a script from another domain
Listener coverage that could observe typing-related input events was registered through call chains that included a script served from another registrable domain, whose operator this scan did not establish.
This is a behavioral instrumentation signal from listener registration, stack-attributed script origins, and known-vendor requests: it shows the page was instrumented to observe interaction, not that anything was transmitted. Stack attribution records the script origins present in the bounded registration call chain; a cross-site origin in that chain does not by itself establish that the cross-site script registered the listener, because first-party code can register its own listeners through a helper served from elsewhere. A different registrable domain is also not by itself a different operator: sites commonly serve their own scripts from a separate asset domain, so the card says third party only when the catalog or reviewed ownership attributes an origin to another organization. On scanners that run the active keystroke-capture probe, actual transmission is tested separately (a synthetic value is typed, never real input, and no typed values are collected); treat this card as a review prompt rather than proof.
28 interaction-listener registrations with https://*.px-cloud.net/ in the registration call chain and 4 input-listener registrations with https://*.px-cloud.net/ in the registration call chain
These heuristics look for behavior patterns such as canvas readback after drawing, repeated canvas font measurement, WebGL entropy reads, offline audio rendering, or WebRTC peer-connection setup. They are review prompts for this visit, not proof of cross-site identity tracking.
25 parameter reads and 12 pixel readbacks; parameters: webgl.getParameter.UNMASKED_RENDERER_WEBGL and webgl.getParameter.UNMASKED_VENDOR_WEBGL
Brave Shields Comparison
No blocking and Brave-list blocking: two visits, no comparable metric delta
No blocking: 2,009msBrave-list blocking: 1,937ms
These two visits do not support a side-by-side comparison, so no deltas are shown.
The "No blocking" visit returned HTTP 403, an error or block page, not the real site.
The "Brave-list blocking" visit returned HTTP 403, an error or block page, not the real site.
Each visit's own evidence still stands: use the “Evidence shown” switcher below to inspect either visit's tables, and both visits are in the downloaded JSON.
Measurement limits
5 conditions affect how this evidence reads
This report
Brave-list blocking comparison runs should be collected under matched crawl conditions, and the blocking run is a simulation with Brave's engine and default lists in this scanner's browser, not a live Brave visit. Differences can still reflect timing, experiments, cache state, consent state, or bot detection.
Both visits
Each visit in this report is one automated, headless Chromium visit from a fixed en-US / UTC profile, with no scrolling, clicking, or consent interaction. Sites can behave differently for real users, browsers, regions, accounts, or network locations.
Counts are a lower bound: trackers that load only after interaction or consent, and any activity inside Web or Service Workers, are not observed. Service labels use a US-biased hand-curated catalog, so regional services may be under-labeled. Cookie and storage figures are an end-of-visit snapshot.
The page returned HTTP 403; this report reflects an error or block page, not a normal load.
Brave-list blocking visit only
Brave Shields block simulation was enabled; matching requests were aborted before loading and are not included in request totals.
How to use this report
Read the findings and measurement limits first, then inspect the evidence for each recorded visit. Comparisons include both visits, even where a difference cannot be interpreted.
Keep this PDF with its evidence package: the source JSON, correction context, export receipt and SHA256SUMS. The package preserves source bytes and the correction context at export time. Hashes check file consistency; they do not establish independent measurement accuracy or a signed attestation.
2026-07-06T09:18:07.484Z · failed (HTTP 403); derived from status and warnings
Retained observations from this visit. Missing measurements do not establish absence of activity.
Request attribution map
Which actor each third-party request is attributed to, from the initiator the browser reported. Attribution, not causation: an initiator may itself have been told what to fetch, and requests with no reported initiator are not distinguished from ones fetched from several. Asterisks mark subdomain labels hidden for privacy.
Attributed requests
0
Not attributable
8
Third-party requests
8
No unique actor could be assigned to 8 of these requests. That includes requests for which the browser reported no usable initiator, and repeated URLs seen with conflicting initiators. This report does not distinguish those causes, so they are counted together rather than drawn.
8 third-party requests: 0 attributed to a single recorded actor, 8 not attributable.
No retained third-party request has one recorded actor to draw. This is not evidence that no actor was involved: the visit may have reported no actor or several actors for the same request.
By the numbers
Recorded counts and evidence availability from this one visit. The findings above interpret them.
Requests138 third-party
Matched Shields lists0classification reported by this visit; no engine readback recorded
Third-party domains40 distinct catalogued service entities
Every domain this visit recorded, with its role, request count and catalog match.
Domain
Role
Requests
Catalog match
Resource types
*.px-cloud.net
third-party
3
No catalog match
script, xhr
fonts.googleapis.com
third-party
2
No catalog match
stylesheet
*.gstatic.com
third-party
2
No catalog match
font
*.px-client.net
third-party
1
No catalog match
xhr
www.goodrx.com
first-party
5
No catalog match
document, script, xhr
These domains describe the returned document, not a verified normal page load.
Request log
13 recorded requests
In hosts and URLs, * and … mark details hidden for privacy.
Request references name this visit's retained JSON rows in order (B = baseline, V = variant, S = single). R0001 is the first request row.
Every request row this visit retained, with its time, status, resource type, domain and recorded provenance.
Ref
Time
Status
Type
Domain
Provenance
URL
B:R0001
47ms
403
document
www.goodrx.com
Not attributed
https://www.goodrx.com/
B:R0002
120ms
200
script
www.goodrx.com
Not attributed
https://www.goodrx.com/…
B:R0003
331ms
200
stylesheet
fonts.googleapis.com
Not attributed
https://fonts.googleapis.com/…?…
B:R0004
331ms
200
script
*.px-cloud.net
Not attributed
https://*.px-cloud.net/…
B:R0005
381ms
200
font
*.gstatic.com
Not attributed
https://*.gstatic.com/…
B:R0006
439ms
200
xhr
*.px-cloud.net
Not attributed
https://*.px-cloud.net/…?…
B:R0007
449ms
200
xhr
www.goodrx.com
Not attributed
https://www.goodrx.com/…
B:R0008
570ms
200
stylesheet
fonts.googleapis.com
Not attributed
https://fonts.googleapis.com/…?…
B:R0009
595ms
200
xhr
www.goodrx.com
Not attributed
https://www.goodrx.com/…
B:R0010
595ms
200
xhr
*.px-cloud.net
Not attributed
https://*.px-cloud.net/…
B:R0011
624ms
200
font
*.gstatic.com
Not attributed
https://*.gstatic.com/…
B:R0012
720ms
200
xhr
*.px-client.net
Not attributed
https://*.px-client.net/…?…
B:R0013
1,309ms
200
xhr
www.goodrx.com
Not attributed
https://www.goodrx.com/…
These requests describe the returned document, not a verified normal page load.
Brave-list blocking — evidence
2026-07-06T09:18:09.505Z · failed (HTTP 403); derived from status and warnings
Retained observations from this visit. Missing measurements do not establish absence of activity.
Request attribution map
Which actor each third-party request is attributed to, from the initiator the browser reported. Attribution, not causation: an initiator may itself have been told what to fetch, and requests with no reported initiator are not distinguished from ones fetched from several. Asterisks mark subdomain labels hidden for privacy.
Attributed requests
0
Not attributable
8
Third-party requests
8
No unique actor could be assigned to 8 of these requests. That includes requests for which the browser reported no usable initiator, and repeated URLs seen with conflicting initiators. This report does not distinguish those causes, so they are counted together rather than drawn.
8 third-party requests: 0 attributed to a single recorded actor, 8 not attributable.
No retained third-party request has one recorded actor to draw. This is not evidence that no actor was involved: the visit may have reported no actor or several actors for the same request.
By the numbers
Recorded counts and evidence availability from this one visit. The findings above interpret them.
Requests138 third-party
Blocked by Brave lists0engine blocks reported by this visit; no engine readback recorded
Third-party domains40 distinct catalogued service entities
Every domain this visit recorded, with its role, request count and catalog match.
Domain
Role
Requests
Catalog match
Resource types
*.px-cloud.net
third-party
3
No catalog match
script, xhr
fonts.googleapis.com
third-party
2
No catalog match
stylesheet
*.gstatic.com
third-party
2
No catalog match
font
*.px-client.net
third-party
1
No catalog match
xhr
www.goodrx.com
first-party
5
No catalog match
document, script, xhr
These domains describe the returned document, not a verified normal page load.
Request log
13 recorded requests
In hosts and URLs, * and … mark details hidden for privacy.
Request references name this visit's retained JSON rows in order (B = baseline, V = variant, S = single). R0001 is the first request row.
Every request row this visit retained, with its time, status, resource type, domain and recorded provenance.
Ref
Time
Status
Type
Domain
Provenance
URL
V:R0001
49ms
403
document
www.goodrx.com
Not attributed
https://www.goodrx.com/
V:R0002
121ms
200
script
www.goodrx.com
Not attributed
https://www.goodrx.com/…
V:R0003
324ms
200
stylesheet
fonts.googleapis.com
Not attributed
https://fonts.googleapis.com/…?…
V:R0004
324ms
200
script
*.px-cloud.net
Not attributed
https://*.px-cloud.net/…
V:R0005
388ms
200
xhr
*.px-cloud.net
Not attributed
https://*.px-cloud.net/…?…
V:R0006
399ms
200
xhr
www.goodrx.com
Not attributed
https://www.goodrx.com/…
V:R0007
407ms
200
font
*.gstatic.com
Not attributed
https://*.gstatic.com/…
V:R0008
515ms
200
stylesheet
fonts.googleapis.com
Not attributed
https://fonts.googleapis.com/…?…
V:R0009
533ms
200
xhr
www.goodrx.com
Not attributed
https://www.goodrx.com/…
V:R0010
534ms
200
xhr
*.px-cloud.net
Not attributed
https://*.px-cloud.net/…
V:R0011
566ms
200
font
*.gstatic.com
Not attributed
https://*.gstatic.com/…
V:R0012
643ms
200
xhr
*.px-client.net
Not attributed
https://*.px-client.net/…?…
V:R0013
1,247ms
200
xhr
www.goodrx.com
Not attributed
https://www.goodrx.com/…
These requests describe the returned document, not a verified normal page load.
This versioned report is currently retained in the public corpus. Follow the currently retained site history, repeat the same public route when it is available, or request a transparent evidence correction.
failed (HTTP 403); derived from status and warnings
Scanner
playwright-chromium
Browser
149.0.7827.55
Redaction
not recorded by this schema
Provenance
Exact build and instrument digests were not recorded by this legacy schema.
Variant visit
Started
Run quality
failed (HTTP 403); derived from status and warnings
Scanner
playwright-chromium
Browser
149.0.7827.55
Redaction
not recorded by this schema
Provenance
Exact build and instrument digests were not recorded by this legacy schema.
Recorded provenance is self-reported measurement metadata, not a cryptographic attestation. The public versioned report JSON contains the retained public evidence; see the methodology for interpretation and retention limits.
This report covers what the scanner measures, not everything a site can do. 17 browser surfaces are not instrumented at all (Every page except the one that was scanned; Anything that only loads after scrolling or interaction; Why a request happened, as a causal chain; and 14 others), 3 capabilities are declined by policy, and 3 are outside what any single visit can see. Their absence from this report is not evidence that they did not occur. Read the published coverage boundary.
Detector accuracy is unmeasured. No calibration study currently publishes a precision or recall for the detectors on this page, so a detector match here is a recorded observation, not a calibrated classification. How detector accuracy is measured.
Approved use boundary: This report is investigative evidence that requires independent corroboration. It is not a standalone legal determination and not the sole exhibit in a legal proceeding. Recorded in this project's release manifest on .
Reports record one automated visit per condition; visits may be incomplete. On restart-safe deployments, an interrupted visit may be retried; attempts are never merged. Results describe these visits, not everything a site can do.