diff --git a/.prettierrc.json b/.prettierrc.json
index d50a919..c50384f 100644
--- a/.prettierrc.json
+++ b/.prettierrc.json
@@ -1,5 +1,5 @@
 {
-  "trailingComma": "all",
+  "trailingComma": "none",
   "tabWidth": 2,
   "semi": false,
   "singleQuote": true
diff --git a/package.json b/package.json
index 008e75c..72d9e5d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cypress-ncatestify-plugin",
-  "version": "2.0.37",
+  "version": "2.0.38",
   "description": "NCA TESTIFY commands and tests",
   "main": "src",
   "types": "src",
diff --git a/src/commands.js b/src/commands.js
index 26f66d9..7a95a2e 100644
--- a/src/commands.js
+++ b/src/commands.js
@@ -41,10 +41,11 @@ import { ttCookieAllAcceptClick } from './commands/tt-cookie-all-accept';
 Cypress.Commands.add('ttEveryInternalLinkStatusOk', ttEveryInternalLinkStatusOk);
 Cypress.Commands.add('ttValidateAllImagesResponseStatusOk', ttValidateAllImagesResponseStatusOk);
 Cypress.Commands.add('ttEveryInternalLinkIsLoading', ttEveryInternalLinkIsLoading);
+// @ts-ignore
+Cypress.Commands.add('ttElementExists', ttElementExists);
 Cypress.Commands.add('ttGetInternalLinks', ttGetInternalLinks);
 Cypress.Commands.add('ttValidateImprintClickable', ttValidateImprintClickable);
 Cypress.Commands.add('ttValidateNoGoogleServices', ttValidateNoGoogleServices);
-Cypress.Commands.add('ttElementExists', ttElementExists);
 Cypress.Commands.add('ttRunTestifyBaseTests', ttRunTestifyBaseTests);
 Cypress.Commands.add('ttAccessibility', ttAccessibility);
 Cypress.Commands.add('ttValidatePageContent', ttValidatePageContent);
@@ -53,3 +54,9 @@ Cypress.Commands.add('ttInvalidPath404', ttInvalidPath404);
 Cypress.Commands.add('ttValidateLanguageTag', ttValidateLanguageTag);
 Cypress.Commands.add('ttDetectHttp', ttDetectHttp);
 Cypress.Commands.add('ttCookieAllAcceptClick', ttCookieAllAcceptClick);
+Cypress.Commands.add('ttValidatePageContent', ttValidatePageContent);
+Cypress.Commands.add('ttOnlyOneH1', ttOnlyOneH1);
+Cypress.Commands.add('ttInvalidPath404', ttInvalidPath404);
+Cypress.Commands.add('ttValidateLanguageTag', ttValidateLanguageTag);
+Cypress.Commands.add('ttDetectHttp', ttDetectHttp);
+Cypress.Commands.add('ttCookieAllAcceptClick', ttCookieAllAcceptClick);
diff --git a/src/commands.ts b/src/commands.ts
index fce70fd..55bbaa0 100644
--- a/src/commands.ts
+++ b/src/commands.ts
@@ -43,16 +43,17 @@ import { ttCookieAllAcceptClick } from './commands/tt-cookie-all-accept'
 Cypress.Commands.add('ttEveryInternalLinkStatusOk', ttEveryInternalLinkStatusOk)
 Cypress.Commands.add(
   'ttValidateAllImagesResponseStatusOk',
-  ttValidateAllImagesResponseStatusOk,
+  ttValidateAllImagesResponseStatusOk
 )
 Cypress.Commands.add(
   'ttEveryInternalLinkIsLoading',
-  ttEveryInternalLinkIsLoading,
+  ttEveryInternalLinkIsLoading
 )
+// @ts-ignore
+Cypress.Commands.add('ttElementExists', ttElementExists)
 Cypress.Commands.add('ttGetInternalLinks', ttGetInternalLinks)
 Cypress.Commands.add('ttValidateImprintClickable', ttValidateImprintClickable)
 Cypress.Commands.add('ttValidateNoGoogleServices', ttValidateNoGoogleServices)
-Cypress.Commands.add('ttElementExists', ttElementExists)
 Cypress.Commands.add('ttRunTestifyBaseTests', ttRunTestifyBaseTests)
 Cypress.Commands.add('ttAccessibility', ttAccessibility)
 Cypress.Commands.add('ttValidatePageContent', ttValidatePageContent)
@@ -61,3 +62,9 @@ Cypress.Commands.add('ttInvalidPath404', ttInvalidPath404)
 Cypress.Commands.add('ttValidateLanguageTag', ttValidateLanguageTag)
 Cypress.Commands.add('ttDetectHttp', ttDetectHttp)
 Cypress.Commands.add('ttCookieAllAcceptClick', ttCookieAllAcceptClick)
+Cypress.Commands.add('ttValidatePageContent', ttValidatePageContent)
+Cypress.Commands.add('ttOnlyOneH1', ttOnlyOneH1)
+Cypress.Commands.add('ttInvalidPath404', ttInvalidPath404)
+Cypress.Commands.add('ttValidateLanguageTag', ttValidateLanguageTag)
+Cypress.Commands.add('ttDetectHttp', ttDetectHttp)
+Cypress.Commands.add('ttCookieAllAcceptClick', ttCookieAllAcceptClick)
diff --git a/src/commands/tt-element-exists.js b/src/commands/tt-element-exists.js
index a9ef28c..da2ec79 100644
--- a/src/commands/tt-element-exists.js
+++ b/src/commands/tt-element-exists.js
@@ -1,6 +1,6 @@
 export const ttElementExists = (selector) => {
     cy.log('ttElementExists - NCA TESTIFY');
-    cy.window().then(($window) => {
-        return $window.document.querySelector(selector);
+    return cy.window().then(($window) => {
+        return $window.document.querySelector(selector) !== null;
     });
 };
diff --git a/src/commands/tt-element-exists.ts b/src/commands/tt-element-exists.ts
index 528fa86..75bb1b0 100644
--- a/src/commands/tt-element-exists.ts
+++ b/src/commands/tt-element-exists.ts
@@ -1,6 +1,8 @@
-export const ttElementExists = (selector: string): boolean => {
+export const ttElementExists = (
+  selector: string
+): Cypress.Chainable<boolean> => {
   cy.log('ttElementExists - NCA TESTIFY')
-  cy.window().then(($window) => {
-    return $window.document.querySelector(selector)
+  return cy.window().then(($window) => {
+    return $window.document.querySelector(selector) !== null
   })
 }
diff --git a/src/commands/tt-validate-imprint-clickable.js b/src/commands/tt-validate-imprint-clickable.js
index e257401..b7cecfa 100644
--- a/src/commands/tt-validate-imprint-clickable.js
+++ b/src/commands/tt-validate-imprint-clickable.js
@@ -1,14 +1,19 @@
+/**
+ * Validates that the 'impressum' link is clickable and redirects to the correct page.
+ * @returns A Cypress Chainable that resolves to a boolean indicating whether the link is clickable and redirects to the correct page.
+ */
 export const ttValidateImprintClickable = () => {
     cy.log('validateImprintClickable - NCA TESTIFY');
-    cy.ttElementExists('.sg-cookie-optin-box-footer-links').then((htmlElement) => {
-        if (htmlElement) {
-            cy.contains('.sg-cookie-optin-box-footer-links a', 'impressum', {
-                matchCase: false,
-            }).click();
-        }
-        else {
-            cy.wait(5000);
-            cy.contains('a:visible', 'impressum', { matchCase: false }).click();
-        }
+    if (cy.ttElementExists('.sg-cookie-optin-box-footer-links')) {
+        cy.contains('.sg-cookie-optin-box-footer-links a', 'impressum', {
+            matchCase: false
+        }).click();
+    }
+    else {
+        cy.wait(5000);
+        cy.contains('a:visible', 'impressum', { matchCase: false }).click();
+    }
+    return cy.window().then((win) => {
+        return win.location.href.includes('/impressum');
     });
 };
diff --git a/src/commands/tt-validate-imprint-clickable.ts b/src/commands/tt-validate-imprint-clickable.ts
index 30947fe..e43def6 100644
--- a/src/commands/tt-validate-imprint-clickable.ts
+++ b/src/commands/tt-validate-imprint-clickable.ts
@@ -1,16 +1,20 @@
-export const ttValidateImprintClickable = () => {
+/**
+ * Validates that the 'impressum' link is clickable and redirects to the correct page.
+ * @returns A Cypress Chainable that resolves to a boolean indicating whether the link is clickable and redirects to the correct page.
+ */
+export const ttValidateImprintClickable = (): Cypress.Chainable<boolean> => {
   cy.log('validateImprintClickable - NCA TESTIFY')
 
-  cy.ttElementExists('.sg-cookie-optin-box-footer-links').then(
-    (htmlElement) => {
-      if (htmlElement) {
-        cy.contains('.sg-cookie-optin-box-footer-links a', 'impressum', {
-          matchCase: false,
-        }).click()
-      } else {
-        cy.wait(5000)
-        cy.contains('a:visible', 'impressum', { matchCase: false }).click()
-      }
-    },
-  )
+  if (cy.ttElementExists('.sg-cookie-optin-box-footer-links')) {
+    cy.contains('.sg-cookie-optin-box-footer-links a', 'impressum', {
+      matchCase: false
+    }).click()
+  } else {
+    cy.wait(5000)
+    cy.contains('a:visible', 'impressum', { matchCase: false }).click()
+  }
+
+  return cy.window().then((win) => {
+    return win.location.href.includes('/impressum')
+  })
 }
diff --git a/src/index.d.ts b/src/index.d.ts
index 6375146..4fed82b 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -5,7 +5,7 @@ declare namespace Cypress {
     ttEveryInternalLinkStatusOk(): void
     ttEveryInternalLinkIsLoading(): void
     ttValidateNoGoogleServices(): void
-    ttElementExists(element: string): void
+    ttElementExists(element: string): boolean
     ttRunTestifyBaseTests(): void
     ttValidateAllImagesResponseStatusOk(): void
     ttAccessibility(context?: any, options?: any): Chainable<Subject>
diff --git a/update.md b/update.md
index 4816e17..5db4c2a 100644
--- a/update.md
+++ b/update.md
@@ -1,5 +1,13 @@
 # Update md file
 
+2.0.38
+Fix typescript errors
+
+- ttElementExist boolean and null operator.
+- ttValidateImprint use new method signature and improve.
+
 2.0.37
-Add cy.clearAllLocalStorage() to everyInternalLinkIsLoading for better memory handling.
-Update npm dependencies.
+Do something for the planet
+
+- Add cy.clearAllLocalStorage() to everyInternalLinkIsLoading for better memory handling.
+- Update npm dependencies.