diff --git a/enzyme.md b/enzyme.md
new file mode 100644
index 000000000..eb4c30ce5
--- /dev/null
+++ b/enzyme.md
@@ -0,0 +1,84 @@
+---
+title: Enzyme
+category: React
+---
+
+## ReactWrapper
+
+```js
+wrap = shallow() // => ReactWrapper (shallow)
+wrap = mount() // => ReactWrapper (full)
+```
+
+### Traversing
+
+```js
+wrap.find('button') // => ReactWrapper
+wrap.filter('button') // => ReactWrapper
+wrap.not('span') // => ReactWrapper (inverse of filter())
+wrap.children() // => ReactWrapper
+wrap.parent() // => ReactWrapper
+wrap.closest('div') // => ReactWrapper
+wrap.childAt(0) // => ReactWrapper
+wrap.at(0) // => ReactWrapper
+wrap.first() // => ReactWrapper
+wrap.last() // => ReactWrapper
+```
+
+```js
+wrap.get(0) // => ReactElement
+wrap.getNode() // => ReactElement
+wrap.getNodes() // => Array
+wrap.getDOMNode() // => DOMComponent
+```
+
+### Actions
+
+```js
+wrap.simulate('click')
+```
+
+### React components
+
+```js
+wrap.setState({ ... })
+wrap.setProps({ ... })
+wrap.setContext({ ... })
+
+wrap.state() // => Any (get state)
+wrap.props() // => object (get props)
+wrap.context() // => Any (get context)
+
+wrap.instance() // => ReactComponent
+```
+
+### Mount
+
+```js
+wrap.mount()
+wrap.unmount()
+wrap.update() // calls forceUpdate()
+```
+
+### Tests
+
+```js
+wrap.debug() // => string
+wrap.html() // => string
+wrap.text() // => string
+wrap.type() // => string | function
+wrap.name() // => string
+wrap.is('.classname') // => boolean
+wrap.hasClass('class') // => boolean
+wrap.exists() // => boolean
+wrap.contains() // => boolean
+wrap.contains([ ]) // => boolean
+
+wrap.containsMatchingElement() // => boolean
+wrap.containsAllMatchingElements([ ]) // => boolean
+wrap.containsAnyMatchingElements([ ]) // => boolean
+```
+
+## References
+
+-
diff --git a/html-meta.md b/html-meta.md
index 58ac0daef..443cac75e 100644
--- a/html-meta.md
+++ b/html-meta.md
@@ -57,27 +57,58 @@ article:section
article:tag
```
-### Favicon
-
-```html
-
-```
-
-### Web app
-
-```html
-
-
-
-```
-
### Apple-only
```html
-
+
```
+## Progressive web apps
+
+### Add to homescreen
+
+```html
+
+
+
+```
+
+### [Theme color](https://developers.google.com/web/updates/2014/11/Support-for-theme-color-in-Chrome-39-for-Android)
+
+```html
+
+```
+
+### [Manifest](https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/)
+
+```html
+
+```
+
+### [Icons](https://developers.google.com/web/fundamentals/design-and-ui/browser-customization/)
+
+```html
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+```
+
+Chrome on Android recommends [192x192](https://developers.google.com/web/updates/2014/11/Support-for-theme-color-in-Chrome-39-for-Android).
+
### Reference
- * https://dev.twitter.com/docs/cards
- * https://developers.facebook.com/docs/opengraphprotocol/#types
+ *
+ *