Tested shopping
flows.

Preserves

Query, department, page, and deliberate filters

Removes

crid, qid, sprefix, xpid, ref, and ad or affiliate markers

Scope noteVerified cleanup behavior. Several internal fields are opaque context rather than publicly documented tracker names.

Preserves

The product path, selected seller, or product-view state such as psc or th

Removes

The ref path tail, click IDs, and affiliate or campaign baggage

Scope noteThe product identifier is the stable destination.

Preserves

The category node and encoding needed to render the chosen browse page

Removes

ref path tails, recommendation context, and campaign baggage

Scope noteThis is separate from search: category browsing keeps its node, not search filters.

Preserves

The query, non-default category, and readable filters such as Color and Metal

Removes

_from, _dcat, _sacat=0, _trksid, and affiliate markers

Scope noteDefault all-categories state is removed; shopper-selected filters remain.

Preserves

The item path and a selected variation where needed

Removes

Long attribution blobs and affiliate context

Scope noteThe item ID is the stable destination.

Preserves

Selected browse filters such as price, condition, sold items, auction, and title search

Removes

Campaign, location, recommendation, and opaque browse context

Scope noteCloak preserves deliberate browse refinements instead of flattening the page.

Preserves

The clean eBay landing destination

Removes

Template IDs, serialized refinement blobs, and referral context

Scope noteA landing URL has no shopper-selected result state to preserve.

Preserves

The product path and selected seller, variant, SKU, offer, or quantity

Removes

ath* fields, adsRedirect, and ad context

Scope noteSeller and variant state may change the actual offer, so Cloak keeps it.

Preserves

The selected Walmart browse or deals destination

Removes

veh, wmlspartner, cn, and wl* advertising attribution fields

Scope noteThe tested route removes Google Ads landing context without changing the chosen Walmart destination.

Preserves

The listing path, quantity, shipping choice, and selected variation

Removes

click_key, referring-page data, search analytics, and content-source context

Scope noteProduct options stay intact; route and search attribution do not.

Preserves

The product path and selected SKU

Removes

gps-id, scm, pvid, referral, experiment, and campaign context

Scope noteSKU selection remains because it can change the item configuration.

Preserves

The product-detail path

Removes

spm, p4p, pvid, source, and trace-log context

Scope noteRules are scoped to product flows to protect cart and selection behavior.

Preserves

The product path or goods_id selection

Removes

Referral-page, session, gallery, and product-detail context

Scope noteRules are scoped to product flows to protect cart and selection behavior.

Preserves

The product path and an explicit preselected option

Removes

Campaign and click markers outside that product state

Scope noteThe rule is scoped to tested product pages.

Preserves

The product page and selected SKU

Removes

intl, ref, location, campaign, and affiliate context

Scope noteSKU selection remains because it can change the offer.

Preserves

The product path

Removes

mtc, cm_*, source, Adobe, email, and campaign context

Scope noteNo query field is kept unless the product flow proves it changes the purchase state.

Preserves

The product path

Removes

cm_mmc and affiliate or source context

Scope noteNo query field is kept unless the product flow proves it changes the purchase state.

Preserves

The product path

Removes

sh and nf source context

Scope noteNo query field is kept unless the product flow proves it changes the purchase state.

Preserves

The product path and x429 selection state

Removes

irgwc affiliate context

Scope noteThe tested exception is intentionally narrow.

Preserves

The product path

Removes

variant

Scope noteSite-specific verified cleanup behavior. This exception is not applied to every Shopify-style store.

Preserves

Product variant, selling plan, subscription, purchase option, and selected product attributes

Removes

UTM, click, campaign, and referral baggage

Scope noteThis family covers storefronts on their own domains; it does not claim every Shopify site uses the same URL fields.

Preserves

Search terms, layered filters, add-to-cart state, quantity, and selected attributes

Removes

UTM, click, campaign, and referral baggage

Scope noteCloak keeps the state needed to reproduce a product search or cart action.

Preserves

Product ID and dwvar_ variant selectors

Removes

UTM, click, campaign, and referral baggage

Scope notedwvar_ fields can select the actual color, size, or product configuration.

Preserves

Category, sort, store, and layered prefn/prefv refinements

Removes

UTM, tracking-state, campaign, and referral baggage

Scope noteStore and refinement fields are retained because they change the catalog view.

Preserves

Page, sort, and currency context

Removes

UTM, click, campaign, and referral baggage

Scope noteCurrency and sort state are kept because they change what the shopper sees.

Preserves

Cart, quantity, product options, and checkout-safe purchase state

Removes

UTM, click, campaign, and referral baggage

Scope noteThis fallback applies only after Cloak recognizes a shopping or checkout flow; it is not a blanket cleanup rule for every URL.

Preserves

The query, search mode, filters, page, language, and region

Removes

rlz, viewport data, request tokens, query-rewrite telemetry, and session context

Scope noteGoogle does not publish a complete meaning for every opaque field.

Preserves

A visible page selection such as highlight

Removes

ad, ad_id, ref, and campaign or click IDs

Scope noteCloak keeps visible event selection while dropping ad context.