diff --git a/src/gatsby-ssr.spec.ts b/src/gatsby-ssr.spec.ts
index 83c5120..7343387 100644
--- a/src/gatsby-ssr.spec.ts
+++ b/src/gatsby-ssr.spec.ts
@@ -13,17 +13,17 @@ describe('gatsby-ssr.js', () => {
       expect(() => { onRenderBody({}) }).toThrow(new Error('gatsby-plugin-no-javascript: Gatsby removed an internal detail that this plugin relied upon, please submit this issue to https://www.github.com/itmayziii/gatsby-plugin-no-javascript.'))
     })
   })
-
+  
   describe('onPreRenderHTML', () => {
     const pathname = '/my-cool-page'
     let replaceHeadComponentsSpy: Spy
     let replacePostBodyComponentsSpy: Spy
-
+    
     beforeEach(() => {
       replaceHeadComponentsSpy = jasmine.createSpy<any>('replaceHeadComponents')
       replacePostBodyComponentsSpy = jasmine.createSpy<any>('replacePostBodyComponents')
     })
-
+    
     it('does not remove non react components from the head, (checks for props)', function () {
       function getHeadComponents () {
         return [headComponentsData[2], headComponentsData[3]]
@@ -31,18 +31,11 @@ describe('gatsby-ssr.js', () => {
       function getPostBodyComponents () {
         return []
       }
-
+      
       onPreRenderHTML({ getHeadComponents, pathname, replaceHeadComponents: replaceHeadComponentsSpy, getPostBodyComponents, replacePostBodyComponents: replacePostBodyComponentsSpy }, {})
       expect(replaceHeadComponentsSpy).toHaveBeenCalledWith([headComponentsData[2], headComponentsData[3]])
     })
-
-    it('does the pathname match any of the exclusions', () => {
-      expect(checkPathExclusion('/client/omegablerns', { excludePaths: /\/client/ })).toBeTruthy()
-      expect(checkPathExclusion('/about/blerns', { excludePaths: /(\/client)|(\/tacos)/ })).toBeFalsy()
-      expect(checkPathExclusion('/about/tacos', { excludePaths: /(\/client)|(\/about\/tacos)/ })).toBeTruthy()
-      expect(checkPathExclusion('/blerkstorm', {})).toBeFalsy()
-    })
-
+    
     it('does not remove scripts in the head marked as excluded from plugin options', () => {
       onRenderBody({ scripts: scriptsData })
       function getHeadComponents () {
@@ -51,7 +44,7 @@ describe('gatsby-ssr.js', () => {
       function getPostBodyComponents () {
         return []
       }
-
+      
       onPreRenderHTML({
         pathname: '/my-cool-page',
         getHeadComponents,
@@ -61,10 +54,10 @@ describe('gatsby-ssr.js', () => {
       }, { excludeFiles: /webpack-runtime/ })
       expect(replaceHeadComponentsSpy).toHaveBeenCalledWith([headComponentsData[13]])
     })
-
+    
     it('should remove static files like JSON from the head as these files are always added by Gatsby', () => {
       const pathname = '/my-cool-page'
-
+      
       onRenderBody({ scripts: [] })
       function getHeadComponents () {
         return [headComponentsData[0], headComponentsData[1], headComponentsData[14]]
@@ -72,32 +65,32 @@ describe('gatsby-ssr.js', () => {
       function getPostBodyComponents () {
         return []
       }
-
+      
       onPreRenderHTML({ getHeadComponents, pathname, replaceHeadComponents: replaceHeadComponentsSpy, getPostBodyComponents, replacePostBodyComponents: replacePostBodyComponentsSpy }, {})
       expect(replaceHeadComponentsSpy).toHaveBeenCalledWith([headComponentsData[0], headComponentsData[1]])
     })
-
+    
     it('should remove preload scripts from the head that are called out by Gatsby during onRenderBody', () => {
       const pathname = '/my-cool-page'
       onRenderBody({ scripts: scriptsData })
-
+      
       function getHeadComponents () {
         return [
           headComponentsData[0], headComponentsData[1], headComponentsData[8], headComponentsData[9], headComponentsData[10], headComponentsData[11],
           headComponentsData[12], headComponentsData[13], headComponentsData[14]
         ]
       }
-
+      
       function getPostBodyComponents () {
         return []
       }
-
+      
       onPreRenderHTML({ getHeadComponents, pathname, replaceHeadComponents: replaceHeadComponentsSpy, getPostBodyComponents, replacePostBodyComponents: replacePostBodyComponentsSpy }, {})
       expect(replaceHeadComponentsSpy).toHaveBeenCalledTimes(1)
       expect(replaceHeadComponentsSpy.calls.argsFor(0)[0].length).toEqual(2)
       expect(replaceHeadComponentsSpy).toHaveBeenCalledWith([headComponentsData[0], headComponentsData[1]])
     })
-
+    
     it('does not remove non react components from the body, (checks for props)', function () {
       const pathname = '/my-cool-page'
       const fakeBodyComponents = [
@@ -110,19 +103,19 @@ describe('gatsby-ssr.js', () => {
           key: 'styles-module2.css'
         }
       ]
-
+      
       function getHeadComponents () {
         return []
       }
-
+      
       function getPostBodyComponents () {
         return fakeBodyComponents
       }
-
+      
       onPreRenderHTML({ getHeadComponents, pathname, replaceHeadComponents: replaceHeadComponentsSpy, getPostBodyComponents, replacePostBodyComponents: replacePostBodyComponentsSpy }, {})
       expect(replacePostBodyComponentsSpy).toHaveBeenCalledWith(fakeBodyComponents)
     })
-
+    
     it('does not remove scripts in the body marked as excluded from plugin options', () => {
       onRenderBody({ scripts: scriptsData })
       function getHeadComponents () {
@@ -131,7 +124,7 @@ describe('gatsby-ssr.js', () => {
       function getPostBodyComponents () {
         return [postBodyComponentsData[3]]
       }
-
+      
       onPreRenderHTML({
         pathname: '/my-cool-page',
         getHeadComponents,
@@ -141,10 +134,10 @@ describe('gatsby-ssr.js', () => {
       }, { excludeFiles: /webpack-runtime/ })
       expect(replacePostBodyComponentsSpy).toHaveBeenCalledWith([postBodyComponentsData[3]])
     })
-
+    
     it('should remove special Gatsby scripts from the body', () => {
       const pathname = '/my-cool-page'
-
+      
       onRenderBody({ scripts: [] })
       function getHeadComponents () {
         return []
@@ -152,14 +145,14 @@ describe('gatsby-ssr.js', () => {
       function getPostBodyComponents () {
         return [postBodyComponentsData[0], postBodyComponentsData[1], postBodyComponentsData[2]]
       }
-
+      
       onPreRenderHTML({ getHeadComponents, pathname, replaceHeadComponents: replaceHeadComponentsSpy, getPostBodyComponents, replacePostBodyComponents: replacePostBodyComponentsSpy }, {})
       expect(replacePostBodyComponentsSpy).toHaveBeenCalledWith([postBodyComponentsData[0]])
     })
-
+    
     it('should remove preload scripts from the body that are called out by Gatsby during onRenderBody', () => {
       const pathname = '/my-cool-page'
-
+      
       onRenderBody({ scripts: scriptsData })
       function getHeadComponents () {
         return []
@@ -167,17 +160,17 @@ describe('gatsby-ssr.js', () => {
       function getPostBodyComponents () {
         return [postBodyComponentsData[0], postBodyComponentsData[3], postBodyComponentsData[4], postBodyComponentsData[5], postBodyComponentsData[6], postBodyComponentsData[7]]
       }
-
+      
       onPreRenderHTML({ getHeadComponents, pathname, replaceHeadComponents: replaceHeadComponentsSpy, getPostBodyComponents, replacePostBodyComponents: replacePostBodyComponentsSpy }, {})
       expect(replacePostBodyComponentsSpy).toHaveBeenCalledTimes(1)
       expect(replacePostBodyComponentsSpy.calls.argsFor(0)[0].length).toEqual(1)
       expect(replacePostBodyComponentsSpy).toHaveBeenCalledWith([postBodyComponentsData[0]])
     })
-
+    
     it('should not remove anything during a non production build', () => {
       const pathname = '/my-cool-page'
       const oldEnv = process.env.NODE_ENV
-
+      
       process.env.NODE_ENV = 'development'
       onRenderBody({})
       function getHeadComponents () {
@@ -186,13 +179,43 @@ describe('gatsby-ssr.js', () => {
       function getPostBodyComponents () {
         return postBodyComponentsData
       }
-
+      
       onPreRenderHTML({ getHeadComponents, pathname, replaceHeadComponents: replaceHeadComponentsSpy, getPostBodyComponents, replacePostBodyComponents: replacePostBodyComponentsSpy }, {})
-
+      
       expect(replaceHeadComponentsSpy).toHaveBeenCalledTimes(0)
       expect(replacePostBodyComponentsSpy).toHaveBeenCalledTimes(0)
-
+      
       process.env.NODE_ENV = oldEnv
     })
+
+    it('should not remove anything because of page exclusion ', () => {
+      const pathname = '/my-cool-page'
+      
+      function getHeadComponents () {
+        return headComponentsData
+      }
+      function getPostBodyComponents () {
+        return postBodyComponentsData
+      }
+      
+      onPreRenderHTML({ getHeadComponents, pathname, replaceHeadComponents: replaceHeadComponentsSpy, getPostBodyComponents, replacePostBodyComponents: replacePostBodyComponentsSpy },
+        {
+          excludePaths: /\/my-cool-page/
+        }
+      )
+      
+      expect(replaceHeadComponentsSpy).toHaveBeenCalledTimes(0)
+      expect(replacePostBodyComponentsSpy).toHaveBeenCalledTimes(0)
+    })
+  })
+  
+  describe('checkPathExclusion', () => {
+    it('does the pathname match any of the exclusions', () => {
+      expect(checkPathExclusion('/client/omegablerns', { excludePaths: /\/client/ })).toBeTruthy()
+      expect(checkPathExclusion('/my-cool-page', { excludePaths: /\/my-cool-page/ })).toBeTruthy()
+      expect(checkPathExclusion('/about/blerns', { excludePaths: /(\/client)|(\/tacos)/ })).toBeFalsy()
+      expect(checkPathExclusion('/about/tacos', { excludePaths: /(\/client)|(\/about\/tacos)/ })).toBeTruthy()
+      expect(checkPathExclusion('/blerkstorm', {})).toBeFalsy()
+    })
   })
 })