diff --git a/src/engines/nunjucks.js b/src/engines/nunjucks.js
index aaccfd8..a63308d 100644
--- a/src/engines/nunjucks.js
+++ b/src/engines/nunjucks.js
@@ -46,12 +46,12 @@ class Engine {
         }, true)
 
         // adding defaults for view, data from site.yml, functions and pageQuery
-        this._defaults = {
+        this._defaults = assign(this._options.defaults, {
             site: site,
             asset: asset,
             dayjs: dayjs,
             pageQuery: new PageQuery(configStore.get('source'))
-        }
+        })
     }
 
     /**
@@ -77,7 +77,7 @@ class Engine {
             const options = configStore.get('options')
 
             // if options minifyHtml is set, minify html, but only if page has type html
-            if (options.minifyHtml === true && data.page.type === 'html') {
+            if (options.minifyHtml === true && data.page.extensions === 'html') {
                 response = minify(response, {
                     removeComments: true,
                     collapseWhitespace: true,
@@ -96,4 +96,4 @@ class Engine {
 
 }
 
-module.exports = Engine
\ No newline at end of file
+module.exports = Engine
diff --git a/src/queries/blocks.js b/src/queries/blocks.js
index d7f64df..878e57a 100644
--- a/src/queries/blocks.js
+++ b/src/queries/blocks.js
@@ -28,6 +28,7 @@ class Blocks {
 
         this._dirPath = dirPath
 
+        // if filename is not index.md add filename to path
         if (filename !== 'index.md') {
             this._dirPath += '/' + filename
         }
diff --git a/src/siteomat.js b/src/siteomat.js
index b17d11f..b4e6bfa 100644
--- a/src/siteomat.js
+++ b/src/siteomat.js
@@ -36,9 +36,15 @@ class Siteomat {
             throw new Error('Destination is undefined')
         }
 
+        this._options = assign({
+            'defaults': {
+
+            }
+        }, options)
+
         this._source = source
         this._views = views
-        this._destination = options.destination
+        this._destination = this._options.destination
 
         // fill singleton for configuration
         configStore.set('source', source)
@@ -63,7 +69,9 @@ class Siteomat {
 
         configStore.set('site', this._site)
 
-        this._engine = new Engine(views, this._site)
+        this._engine = new Engine(views, this._site, {
+            'defaults': this._options.defaults
+        })
     }
 
     /**