diff --git a/packages/driver/cypress/e2e/webkit.cy.ts b/packages/driver/cypress/e2e/webkit.cy.ts
new file mode 100644
index 000000000000..36da5ab9c4d5
--- /dev/null
+++ b/packages/driver/cypress/e2e/webkit.cy.ts
@@ -0,0 +1,31 @@
+describe('WebKit-specific behavior', { browser: 'webkit' }, () => {
+  it('cy.origin() is disabled', (done) => {
+    cy.on('fail', (err) => {
+      expect(err.message).to.equal('`cy.origin()` is not currently supported in experimental WebKit.')
+      expect(err.docsUrl).to.equal('https://on.cypress.io/webkit-experiment')
+      done()
+    })
+
+    cy.origin('foo', () => {})
+  })
+
+  it('cy.session() is disabled', (done) => {
+    cy.on('fail', (err) => {
+      expect(err.message).to.equal('`cy.session()` is not currently supported in experimental WebKit.')
+      expect(err.docsUrl).to.equal('https://on.cypress.io/webkit-experiment')
+      done()
+    })
+
+    cy.session('foo', () => {})
+  })
+
+  it('cy.session() is disabled', (done) => {
+    cy.on('fail', (err) => {
+      expect(err.message).to.include('`forceNetworkError` was passed, but it is not currently supported in experimental WebKit.')
+      expect(err.docsUrl).to.equal('https://on.cypress.io/intercept')
+      done()
+    })
+
+    cy.intercept('http://foo.com', { forceNetworkError: true })
+  })
+})
diff --git a/packages/driver/src/cy/commands/origin/index.ts b/packages/driver/src/cy/commands/origin/index.ts
index 249ea7151118..c1dc1d350dcf 100644
--- a/packages/driver/src/cy/commands/origin/index.ts
+++ b/packages/driver/src/cy/commands/origin/index.ts
@@ -54,6 +54,10 @@ export default (Commands, Cypress: Cypress.Cypress, cy: Cypress.cy, state: State
 
   Commands.addAll({
     origin<T> (urlOrDomain: string, optionsOrFn: { args: T } | (() => {}), fn?: (args?: T) => {}) {
+      if (Cypress.isBrowser('webkit')) {
+        return $errUtils.throwErrByPath('webkit.origin')
+      }
+
       const userInvocationStack = state('current').get('userInvocationStack')
 
       // store the invocation stack in the case that `cy.origin` errors
diff --git a/packages/driver/src/cy/commands/sessions/index.ts b/packages/driver/src/cy/commands/sessions/index.ts
index 17ecd772a5b7..d045eb0b7720 100644
--- a/packages/driver/src/cy/commands/sessions/index.ts
+++ b/packages/driver/src/cy/commands/sessions/index.ts
@@ -53,6 +53,10 @@ export default function (Commands, Cypress, cy) {
 
   Commands.addAll({
     session (id, setup?: Function, options: { validate?: Function } = {}) {
+      if (Cypress.isBrowser('webkit')) {
+        return $errUtils.throwErrByPath('webkit.session')
+      }
+
       throwIfNoSessionSupport()
 
       if (!id || !_.isString(id) && !_.isObject(id)) {
diff --git a/packages/driver/src/cy/net-stubbing/static-response-utils.ts b/packages/driver/src/cy/net-stubbing/static-response-utils.ts
index 962c07bb559b..6f0d2cdae7a4 100644
--- a/packages/driver/src/cy/net-stubbing/static-response-utils.ts
+++ b/packages/driver/src/cy/net-stubbing/static-response-utils.ts
@@ -24,6 +24,10 @@ export function validateStaticResponse (cmd: string, staticResponse: StaticRespo
     err('`forceNetworkError`, if passed, must be the only option in the StaticResponse.')
   }
 
+  if (forceNetworkError && Cypress.isBrowser('webkit')) {
+    err('`forceNetworkError` was passed, but it is not currently supported in experimental WebKit.')
+  }
+
   if (body && fixture) {
     err('`body` and `fixture` cannot both be set, pick one.')
   }
diff --git a/packages/driver/src/cypress/error_messages.ts b/packages/driver/src/cypress/error_messages.ts
index a8bb7269b7ef..7602034fde8f 100644
--- a/packages/driver/src/cypress/error_messages.ts
+++ b/packages/driver/src/cypress/error_messages.ts
@@ -2297,6 +2297,12 @@ export default {
     },
   },
 
+  webkit: {
+    docsUrl: 'https://on.cypress.io/webkit-experiment',
+    origin: '`cy.origin()` is not currently supported in experimental WebKit.',
+    session: '`cy.session()` is not currently supported in experimental WebKit.',
+  },
+
   window: {
     iframe_doc_undefined: 'The remote iframe\'s document is `undefined`',
     iframe_undefined: 'The remote iframe is `undefined`',