is_ajax()	Returns true when the page is loaded via ajax.
is_shop()	Returns true when on the product archive page (shop).
is_account_page()	Returns true on the customer’s account pages.
is_checkout()	Returns true on the checkout page.
is_cart()	Returns true on the cart page.
is_product()	Returns true on a single product page. Wrapper for is_singular.
is_product_tag()	Returns true when viewing a product tag archive
is_product_category()	Returns true when viewing a product category archive.

Endpoint

is_wc_endpoint_url()

Returns true when viewing a WooCommerce endpoint

is_wc_endpoint_url( 'order-pay' )

When the endpoint page for order pay is being displayed.

is_wc_endpoint_url( 'order-received' )

When the endpoint page for order received is being displayed.

is_wc_endpoint_url( 'view-order' )

When the endpoint page for view order is being displayed.

is_wc_endpoint_url( 'edit-account' )

When the endpoint page for edit account is being displayed.

is_wc_endpoint_url( 'edit-address' )

When the endpoint page for edit address is being displayed.

is_wc_endpoint_url( 'lost-password' )

When the endpoint page for lost password is being displayed.

is_wc_endpoint_url( 'customer-logout' )

When the endpoint page for customer logout  is being displayed.

is_wc_endpoint_url( 'add-payment-method' )

When the endpoint page for add payment method is being displayed.