diff --git a/snippets/Accordion.md b/snippets/Accordion.md
index 30e3df082..e333ef602 100644
--- a/snippets/Accordion.md
+++ b/snippets/Accordion.md
@@ -1,6 +1,8 @@
 ---
 title: Accordion
 tags: components,children,state,advanced
+firstSeen: 2019-03-02T10:46:34+02:00
+lastUpdated: 2021-01-07T23:57:13+02:00
 ---
 
 Renders an accordion menu with multiple collapsible content elements.
diff --git a/snippets/Alert.md b/snippets/Alert.md
index e593cbd08..4ec66fdf6 100644
--- a/snippets/Alert.md
+++ b/snippets/Alert.md
@@ -1,6 +1,8 @@
 ---
 title: Alert
 tags: components,state,effect,beginner
+firstSeen: 2019-09-17T13:19:30+03:00
+lastUpdated: 2021-01-07T23:57:13+02:00
 ---
 
 Renders an alert component with `type` prop.
diff --git a/snippets/AutoLink.md b/snippets/AutoLink.md
index 6ca08c913..b207d4179 100644
--- a/snippets/AutoLink.md
+++ b/snippets/AutoLink.md
@@ -1,6 +1,8 @@
 ---
 title: AutoLink
 tags: components,fragment,regexp,intermediate
+firstSeen: 2018-12-05T15:04:49+02:00
+lastUpdated: 2020-11-03T20:42:15+02:00
 ---
 
 Renders a string as plaintext, with URLs converted to appropriate link elements.
diff --git a/snippets/Callto.md b/snippets/Callto.md
index a1ebb4136..adda5b9c3 100644
--- a/snippets/Callto.md
+++ b/snippets/Callto.md
@@ -2,6 +2,8 @@
 title: Callto
 tags: components,beginner
 unlisted: true
+firstSeen: 2020-10-04T00:07:37+03:00
+lastUpdated: 2021-01-04T12:32:47+02:00
 ---
 
 Renders a link formatted to call a phone number (`tel:` link).
diff --git a/snippets/Carousel.md b/snippets/Carousel.md
index 0af6b189e..9fed5f829 100644
--- a/snippets/Carousel.md
+++ b/snippets/Carousel.md
@@ -1,6 +1,8 @@
 ---
 title: Carousel
 tags: components,children,state,effect,advanced
+firstSeen: 2018-11-13T21:24:55+02:00
+lastUpdated: 2020-11-03T20:42:15+02:00
 ---
 
 Renders a carousel component.
diff --git a/snippets/Collapse.md b/snippets/Collapse.md
index 0f5235b97..d77cb9522 100644
--- a/snippets/Collapse.md
+++ b/snippets/Collapse.md
@@ -1,6 +1,8 @@
 ---
 title: Collapse
 tags: components,children,state,beginner
+firstSeen: 2018-10-17T20:42:23+03:00
+lastUpdated: 2020-11-03T20:42:15+02:00
 ---
 
 Renders a component with collapsible content.
diff --git a/snippets/ControlledInput.md b/snippets/ControlledInput.md
index c60d8e4c5..7be091faf 100644
--- a/snippets/ControlledInput.md
+++ b/snippets/ControlledInput.md
@@ -1,6 +1,8 @@
 ---
 title: ControlledInput
 tags: components,input,intermediate
+firstSeen: 2019-08-21T13:09:10+03:00
+lastUpdated: 2020-11-03T21:08:39+02:00
 ---
 
 Renders a controlled `<input>` element that uses a callback function to inform its parent about value updates.
diff --git a/snippets/CountDown.md b/snippets/CountDown.md
index 96c4c2772..c92767072 100644
--- a/snippets/CountDown.md
+++ b/snippets/CountDown.md
@@ -1,6 +1,8 @@
 ---
 title: CountDown
 tags: components,state,advanced
+firstSeen: 2019-02-06T14:39:31+02:00
+lastUpdated: 2020-11-26T23:57:34+02:00
 ---
 
 Renders a countdown timer that prints a message when it reaches zero.
diff --git a/snippets/DataList.md b/snippets/DataList.md
index 9d3f0b24f..3d50648e0 100644
--- a/snippets/DataList.md
+++ b/snippets/DataList.md
@@ -1,6 +1,8 @@
 ---
 title: DataList
 tags: components,beginner
+firstSeen: 2018-11-29T12:12:24+02:00
+lastUpdated: 2020-11-03T21:26:34+02:00
 ---
 
 Renders a list of elements from an array of primitives.
diff --git a/snippets/DataTable.md b/snippets/DataTable.md
index 2815ccb62..58f12a1ad 100644
--- a/snippets/DataTable.md
+++ b/snippets/DataTable.md
@@ -1,6 +1,8 @@
 ---
 title: DataTable
 tags: components,beginner
+firstSeen: 2018-11-29T11:13:59+02:00
+lastUpdated: 2020-11-03T21:26:34+02:00
 ---
 
 Renders a table with rows dynamically created from an array of primitives.
diff --git a/snippets/FileDrop.md b/snippets/FileDrop.md
index 223b88480..bc2429574 100644
--- a/snippets/FileDrop.md
+++ b/snippets/FileDrop.md
@@ -1,6 +1,8 @@
 ---
 title: FileDrop
 tags: components,input,state,effect,event,advanced
+firstSeen: 2019-02-02T12:17:27+02:00
+lastUpdated: 2020-11-26T09:43:21+02:00
 ---
 
 Renders a file drag and drop component for a single file.
diff --git a/snippets/LimitedTextarea.md b/snippets/LimitedTextarea.md
index 237d776c3..5355ee3c6 100644
--- a/snippets/LimitedTextarea.md
+++ b/snippets/LimitedTextarea.md
@@ -1,6 +1,8 @@
 ---
 title: LimitedTextarea
 tags: components,state,callback,event,beginner
+firstSeen: 2018-10-19T09:11:59+03:00
+lastUpdated: 2020-11-16T16:50:57+02:00
 ---
 
 Renders a textarea component with a character limit.
diff --git a/snippets/LimitedWordTextarea.md b/snippets/LimitedWordTextarea.md
index 456a4d48e..d7f3d881a 100644
--- a/snippets/LimitedWordTextarea.md
+++ b/snippets/LimitedWordTextarea.md
@@ -1,6 +1,8 @@
 ---
 title: LimitedWordTextarea
 tags: components,input,state,callback,effect,event,intermediate
+firstSeen: 2019-02-20T18:22:22+02:00
+lastUpdated: 2021-01-07T23:57:13+02:00
 ---
 
 Renders a textarea component with a word limit.
diff --git a/snippets/Loader.md b/snippets/Loader.md
index 51613aa61..5f3bf25e9 100644
--- a/snippets/Loader.md
+++ b/snippets/Loader.md
@@ -1,6 +1,8 @@
 ---
 title: Loader
 tags: components,beginner
+firstSeen: 2019-09-11T21:59:12+03:00
+lastUpdated: 2020-11-16T15:17:26+02:00
 ---
 
 Renders a spinning loader component.
diff --git a/snippets/Mailto.md b/snippets/Mailto.md
index 130fb213d..0e85b81ae 100644
--- a/snippets/Mailto.md
+++ b/snippets/Mailto.md
@@ -1,6 +1,8 @@
 ---
 title: Mailto
 tags: components,beginner
+firstSeen: 2019-01-28T20:10:51+02:00
+lastUpdated: 2020-11-16T15:17:26+02:00
 ---
 
 Renders a link formatted to send an email (`mailto:` link).
diff --git a/snippets/MappedTable.md b/snippets/MappedTable.md
index 8449bd095..3907bec6e 100644
--- a/snippets/MappedTable.md
+++ b/snippets/MappedTable.md
@@ -1,6 +1,8 @@
 ---
 title: MappedTable
 tags: components,array,object,intermediate
+firstSeen: 2018-11-29T11:50:10+02:00
+lastUpdated: 2020-09-06T14:20:45+03:00
 ---
 
 Renders a table with rows dynamically created from an array of objects and a list of property names.
diff --git a/snippets/Modal.md b/snippets/Modal.md
index 93633592c..747d245e7 100644
--- a/snippets/Modal.md
+++ b/snippets/Modal.md
@@ -1,6 +1,8 @@
 ---
 title: Modal
 tags: components,effect,intermediate
+firstSeen: 2019-03-11T11:25:06+02:00
+lastUpdated: 2020-11-25T21:12:16+02:00
 ---
 
 Renders a Modal component, controllable through events.
diff --git a/snippets/MultiselectCheckbox.md b/snippets/MultiselectCheckbox.md
index 7aa325ab7..4a880d280 100644
--- a/snippets/MultiselectCheckbox.md
+++ b/snippets/MultiselectCheckbox.md
@@ -1,6 +1,8 @@
 ---
 title: MultiselectCheckbox
 tags: components,input,state,array,intermediate
+firstSeen: 2019-01-27T09:25:57+02:00
+lastUpdated: 2020-11-26T23:57:34+02:00
 ---
 
 Renders a checkbox list that uses a callback function to pass its selected value/values to the parent component.
diff --git a/snippets/PasswordRevealer.md b/snippets/PasswordRevealer.md
index 11f325b2b..296fb7f18 100644
--- a/snippets/PasswordRevealer.md
+++ b/snippets/PasswordRevealer.md
@@ -1,6 +1,8 @@
 ---
 title: PasswordRevealer
 tags: components,input,state,beginner
+firstSeen: 2018-10-18T20:04:22+03:00
+lastUpdated: 2020-11-25T20:46:35+02:00
 ---
 
 Renders a password input field with a reveal button.
diff --git a/snippets/RippleButton.md b/snippets/RippleButton.md
index 77fbf123a..d884a926a 100644
--- a/snippets/RippleButton.md
+++ b/snippets/RippleButton.md
@@ -1,6 +1,8 @@
 ---
 title: RippleButton
 tags: components,state,effect,intermediate
+firstSeen: 2019-09-10T09:07:29+03:00
+lastUpdated: 2020-11-26T09:43:21+02:00
 ---
 
 Renders a button that animates a ripple effect when clicked.
diff --git a/snippets/Select.md b/snippets/Select.md
index ff721085c..57bf6b076 100644
--- a/snippets/Select.md
+++ b/snippets/Select.md
@@ -1,6 +1,8 @@
 ---
 title: Select
 tags: components,input,beginner
+firstSeen: 2018-12-10T10:48:03+02:00
+lastUpdated: 2020-11-25T20:46:35+02:00
 ---
 
 Renders an uncontrolled `<select>` element that uses a callback function to pass its value to the parent component.
diff --git a/snippets/Slider.md b/snippets/Slider.md
index 81c06bd22..d1d6e929d 100644
--- a/snippets/Slider.md
+++ b/snippets/Slider.md
@@ -1,6 +1,8 @@
 ---
 title: Slider
 tags: components,input,beginner
+firstSeen: 2019-03-02T10:20:55+02:00
+lastUpdated: 2020-11-25T20:46:35+02:00
 ---
 
 Renders an uncontrolled range input element that uses a callback function to pass its value to the parent component.
diff --git a/snippets/StarRating.md b/snippets/StarRating.md
index 000865fea..36025b3ce 100644
--- a/snippets/StarRating.md
+++ b/snippets/StarRating.md
@@ -1,6 +1,8 @@
 ---
 title: StarRating
 tags: components,children,input,state,intermediate
+firstSeen: 2018-10-18T14:33:45+03:00
+lastUpdated: 2020-11-26T23:57:34+02:00
 ---
 
 Renders a star rating component.
diff --git a/snippets/Tabs.md b/snippets/Tabs.md
index e1c7002d1..71807a657 100644
--- a/snippets/Tabs.md
+++ b/snippets/Tabs.md
@@ -1,6 +1,8 @@
 ---
 title: Tabs
 tags: components,state,children,intermediate
+firstSeen: 2019-01-27T11:59:52+02:00
+lastUpdated: 2020-11-25T20:46:35+02:00
 ---
 
 Renders a tabbed menu and view component.
diff --git a/snippets/TagInput.md b/snippets/TagInput.md
index 9f84f80eb..9698889da 100644
--- a/snippets/TagInput.md
+++ b/snippets/TagInput.md
@@ -1,6 +1,8 @@
 ---
 title: TagInput
 tags: components,input,state,intermediate
+firstSeen: 2019-10-02T10:06:11+03:00
+lastUpdated: 2020-11-25T21:12:16+02:00
 ---
 
 Renders a tag input field.
diff --git a/snippets/TextArea.md b/snippets/TextArea.md
index f4fba5372..afaf78da0 100644
--- a/snippets/TextArea.md
+++ b/snippets/TextArea.md
@@ -1,6 +1,8 @@
 ---
 title: TextArea
 tags: components,input,beginner
+firstSeen: 2018-12-10T10:45:51+02:00
+lastUpdated: 2020-11-25T20:46:35+02:00
 ---
 
 Renders an uncontrolled `<textarea>` element that uses a callback function to pass its value to the parent component.
diff --git a/snippets/Toggle.md b/snippets/Toggle.md
index e4359ac4c..dacbd2fb4 100644
--- a/snippets/Toggle.md
+++ b/snippets/Toggle.md
@@ -1,6 +1,8 @@
 ---
 title: Toggle
 tags: components,state,beginner
+firstSeen: 2018-10-27T20:35:37+03:00
+lastUpdated: 2020-11-16T16:50:57+02:00
 ---
 
 Renders a toggle component.
diff --git a/snippets/Tooltip.md b/snippets/Tooltip.md
index ef487b878..aec3c892e 100644
--- a/snippets/Tooltip.md
+++ b/snippets/Tooltip.md
@@ -1,6 +1,8 @@
 ---
 title: Tooltip
 tags: components,state,children,beginner
+firstSeen: 2018-11-13T20:21:24+02:00
+lastUpdated: 2020-11-16T15:17:26+02:00
 ---
 
 Renders a tooltip component.
diff --git a/snippets/TreeView.md b/snippets/TreeView.md
index 2db15399b..fd848f72c 100644
--- a/snippets/TreeView.md
+++ b/snippets/TreeView.md
@@ -1,6 +1,8 @@
 ---
 title: TreeView
 tags: components,object,state,recursion,advanced
+firstSeen: 2019-02-06T22:17:03+02:00
+lastUpdated: 2020-11-16T16:50:57+02:00
 ---
 
 Renders a tree view of a JSON object or array with collapsible content.
diff --git a/snippets/UncontrolledInput.md b/snippets/UncontrolledInput.md
index 51719c289..0a24ae692 100644
--- a/snippets/UncontrolledInput.md
+++ b/snippets/UncontrolledInput.md
@@ -1,6 +1,8 @@
 ---
 title: UncontrolledInput
 tags: components,input,intermediate
+firstSeen: 2019-08-21T12:28:50+03:00
+lastUpdated: 2020-11-03T21:08:39+02:00
 ---
 
 Renders an uncontrolled `<input>` element that uses a callback function to inform its parent about value updates.
diff --git a/snippets/useAsync.md b/snippets/useAsync.md
index 9fd1a9742..c20069b62 100644
--- a/snippets/useAsync.md
+++ b/snippets/useAsync.md
@@ -1,6 +1,8 @@
 ---
 title: useAsync
 tags: hooks,state,reducer,advanced
+firstSeen: 2020-01-09T20:22:12+02:00
+lastUpdated: 2021-01-07T23:57:13+02:00
 ---
 
 Handles asynchronous calls.
diff --git a/snippets/useClickInside.md b/snippets/useClickInside.md
index c88bfd9e1..933b41b69 100644
--- a/snippets/useClickInside.md
+++ b/snippets/useClickInside.md
@@ -1,6 +1,8 @@
 ---
 title: useClickInside
 tags: hooks,effect,event,intermediate
+firstSeen: 2019-08-21T13:09:10+03:00
+lastUpdated: 2020-11-16T14:17:53+02:00
 ---
 
 Handles the event of clicking inside the wrapped component.
diff --git a/snippets/useClickOutside.md b/snippets/useClickOutside.md
index 9346acff7..cfb0df14c 100644
--- a/snippets/useClickOutside.md
+++ b/snippets/useClickOutside.md
@@ -1,6 +1,8 @@
 ---
 title: useClickOutside
 tags: hooks,effect,event,intermediate
+firstSeen: 2019-08-21T13:09:10+03:00
+lastUpdated: 2020-11-16T14:17:53+02:00
 ---
 
 Handles the event of clicking outside of the wrapped component.
diff --git a/snippets/useComponentDidMount.md b/snippets/useComponentDidMount.md
index faf178061..b426fd02b 100644
--- a/snippets/useComponentDidMount.md
+++ b/snippets/useComponentDidMount.md
@@ -1,6 +1,8 @@
 ---
 title: useComponentDidMount
 tags: hooks,effect,beginner
+firstSeen: 2020-01-03T15:56:54+02:00
+lastUpdated: 2020-11-16T14:17:53+02:00
 ---
 
 Executes a callback immediately after a component is mounted.
diff --git a/snippets/useComponentWillUnmount.md b/snippets/useComponentWillUnmount.md
index b793c3cc8..972178f52 100644
--- a/snippets/useComponentWillUnmount.md
+++ b/snippets/useComponentWillUnmount.md
@@ -1,6 +1,8 @@
 ---
 title: useComponentWillUnmount
 tags: hooks,effect,beginner
+firstSeen: 2020-01-03T16:00:56+02:00
+lastUpdated: 2020-11-16T14:17:53+02:00
 ---
 
 Executes a callback immediately before a component is unmounted and destroyed.
diff --git a/snippets/useCopyToClipboard.md b/snippets/useCopyToClipboard.md
index 1bc01cb23..5921d1a93 100644
--- a/snippets/useCopyToClipboard.md
+++ b/snippets/useCopyToClipboard.md
@@ -1,6 +1,8 @@
 ---
 title: useCopyToClipboard
 tags: hooks,effect,state,callback,advanced
+firstSeen: 2020-04-22T18:51:30+03:00
+lastUpdated: 2020-11-16T14:17:53+02:00
 ---
 
 Copies the given text to the clipboard.
diff --git a/snippets/useDebounce.md b/snippets/useDebounce.md
index 13129224d..f854b436a 100644
--- a/snippets/useDebounce.md
+++ b/snippets/useDebounce.md
@@ -1,6 +1,8 @@
 ---
 title: useDebounce
 tags: hooks,state,effect,intermediate
+firstSeen: 2021-01-04T16:48:43+02:00
+lastUpdated: 2021-01-04T16:48:43+02:00
 ---
 
 Debounces the given value.
diff --git a/snippets/useFetch.md b/snippets/useFetch.md
index 5ca9811ab..b8e03c8e2 100644
--- a/snippets/useFetch.md
+++ b/snippets/useFetch.md
@@ -1,6 +1,8 @@
 ---
 title: useFetch
 tags: hooks,effect,state,intermediate
+firstSeen: 2019-08-21T14:23:57+03:00
+lastUpdated: 2021-01-07T23:57:13+02:00
 ---
 
 Implements `fetch` in a declarative manner.
diff --git a/snippets/useInterval.md b/snippets/useInterval.md
index bf0de4559..cfb463588 100644
--- a/snippets/useInterval.md
+++ b/snippets/useInterval.md
@@ -1,6 +1,8 @@
 ---
 title: useInterval
 tags: hooks,effect,intermediate
+firstSeen: 2019-08-21T13:18:52+03:00
+lastUpdated: 2020-11-16T14:17:53+02:00
 ---
 
 Implements `setInterval` in a declarative manner.
diff --git a/snippets/useMediaQuery.md b/snippets/useMediaQuery.md
index 7f50a02c9..7c993c119 100644
--- a/snippets/useMediaQuery.md
+++ b/snippets/useMediaQuery.md
@@ -1,6 +1,8 @@
 ---
 title: useMediaQuery
 tags: hooks,state,effect,intermediate
+firstSeen: 2020-01-03T14:39:46+02:00
+lastUpdated: 2020-11-16T14:17:53+02:00
 ---
 
 Checks if the current environment matches a given media query and returns the appropriate value.
diff --git a/snippets/useNavigatorOnLine.md b/snippets/useNavigatorOnLine.md
index fccf9401c..05b17c216 100644
--- a/snippets/useNavigatorOnLine.md
+++ b/snippets/useNavigatorOnLine.md
@@ -1,6 +1,8 @@
 ---
 title: useNavigatorOnLine
 tags: hooks,state,effect,intermediate
+firstSeen: 2019-09-11T09:17:26+03:00
+lastUpdated: 2020-11-16T14:17:53+02:00
 ---
 
 Checks if the client is online or offline.
diff --git a/snippets/usePersistedState.md b/snippets/usePersistedState.md
index 77036369c..e7cf667a9 100644
--- a/snippets/usePersistedState.md
+++ b/snippets/usePersistedState.md
@@ -1,6 +1,8 @@
 ---
 title: usePersistedState
 tags: hooks,state,effect,advanced
+firstSeen: 2020-11-29T14:16:36+02:00
+lastUpdated: 2020-11-29T14:16:36+02:00
 ---
 
 Returns a stateful value, persisted in `localStorage`, and a function to update it.
diff --git a/snippets/usePrevious.md b/snippets/usePrevious.md
index 53d25ad1c..96a3ed69f 100644
--- a/snippets/usePrevious.md
+++ b/snippets/usePrevious.md
@@ -1,6 +1,8 @@
 ---
 title: usePrevious
 tags: hooks,state,effect,beginner
+firstSeen: 2020-01-03T09:50:22+02:00
+lastUpdated: 2020-11-16T14:17:53+02:00
 ---
 
 Stores the previous state or props.
diff --git a/snippets/useSSR.md b/snippets/useSSR.md
index 491c72364..299a9e213 100644
--- a/snippets/useSSR.md
+++ b/snippets/useSSR.md
@@ -1,6 +1,8 @@
 ---
 title: useSSR
 tags: hooks,effect,state,memo,intermediate
+firstSeen: 2019-08-24T13:18:16+03:00
+lastUpdated: 2021-03-10T06:38:42+02:00
 ---
 
 Checks if the code is running on the browser or the server.
diff --git a/snippets/useTimeout.md b/snippets/useTimeout.md
index 01ac0773b..99ea6b3ae 100644
--- a/snippets/useTimeout.md
+++ b/snippets/useTimeout.md
@@ -1,6 +1,8 @@
 ---
 title: useTimeout
 tags: hooks,effect,intermediate
+firstSeen: 2019-08-21T13:20:57+03:00
+lastUpdated: 2020-11-16T14:17:53+02:00
 ---
 
 Implements `setTimeout` in a declarative manner.
diff --git a/snippets/useToggler.md b/snippets/useToggler.md
index d06e2807a..b7fd66aeb 100644
--- a/snippets/useToggler.md
+++ b/snippets/useToggler.md
@@ -1,6 +1,8 @@
 ---
 title: useToggler
 tags: hooks,state,callback,beginner
+firstSeen: 2020-11-27T09:41:31+02:00
+lastUpdated: 2020-11-27T09:41:31+02:00
 ---
 
 Provides a boolean state variable that can be toggled between its two states.
diff --git a/snippets/useUnload.md b/snippets/useUnload.md
index 199014f57..c0ae6afd7 100644
--- a/snippets/useUnload.md
+++ b/snippets/useUnload.md
@@ -1,6 +1,8 @@
 ---
 title: useUnload
 tags: hooks,effect,event,intermediate
+firstSeen: 2020-10-05T17:53:24+03:00
+lastUpdated: 2020-11-29T14:16:36+02:00
 ---
 
 Handles the `beforeunload` window event.