diff --git a/components/common/Button.js b/components/common/Button.js
index 5e92d0d8..0cdb5fbc 100644
--- a/components/common/Button.js
+++ b/components/common/Button.js
@@ -1,10 +1,11 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import ReactTooltip from 'react-tooltip';
 import classNames from 'classnames';
 import Icon from './Icon';
 import styles from './Button.module.css';
 
-export default function Button({
+function Button({
   type = 'button',
   icon,
   size,
@@ -43,3 +44,19 @@ export default function Button({
     </button>
   );
 }
+
+Button.propTypes = {
+  type: PropTypes.oneOf(['button', 'submit', 'reset']),
+  icon: PropTypes.node,
+  size: PropTypes.oneOf(['xlarge', 'large', 'medium', 'small', 'xsmall']),
+  variant: PropTypes.oneOf(['action', 'danger', 'light']),
+  children: PropTypes.node,
+  className: PropTypes.string,
+  tooltip: PropTypes.node,
+  tooltipId: PropTypes.string,
+  disabled: PropTypes.bool,
+  iconRight: PropTypes.bool,
+  onClick: PropTypes.func,
+};
+
+export default Button;
diff --git a/components/common/ButtonGroup.js b/components/common/ButtonGroup.js
index c91bb743..353ce690 100644
--- a/components/common/ButtonGroup.js
+++ b/components/common/ButtonGroup.js
@@ -1,16 +1,10 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import Button from './Button';
 import styles from './ButtonGroup.module.css';
 
-export default function ButtonGroup({
-  items = [],
-  selectedItem,
-  className,
-  size,
-  icon,
-  onClick = () => {},
-}) {
+function ButtonGroup({ items = [], selectedItem, className, size, icon, onClick = () => {} }) {
   return (
     <div className={classNames(styles.group, className)}>
       {items.map(item => {
@@ -30,3 +24,19 @@ export default function ButtonGroup({
     </div>
   );
 }
+
+ButtonGroup.propTypes = {
+  items: PropTypes.arrayOf(
+    PropTypes.shape({
+      label: PropTypes.node,
+      value: PropTypes.any.isRequired,
+    }),
+  ),
+  selectedItem: PropTypes.any,
+  className: PropTypes.string,
+  size: PropTypes.oneOf(['xlarge', 'large', 'medium', 'small', 'xsmall']),
+  icon: PropTypes.node,
+  onClick: PropTypes.func,
+};
+
+export default ButtonGroup;
diff --git a/components/common/Checkbox.js b/components/common/Checkbox.js
index 1a66a258..67eea80d 100644
--- a/components/common/Checkbox.js
+++ b/components/common/Checkbox.js
@@ -1,9 +1,10 @@
 import React, { useRef } from 'react';
+import PropTypes from 'prop-types';
 import Icon from 'components/common/Icon';
 import Check from 'assets/check.svg';
 import styles from './Checkbox.module.css';
 
-export default function Checkbox({ name, value, label, onChange }) {
+function Checkbox({ name, value, label, onChange }) {
   const ref = useRef();
 
   return (
@@ -25,3 +26,12 @@ export default function Checkbox({ name, value, label, onChange }) {
     </div>
   );
 }
+
+Checkbox.propTypes = {
+  name: PropTypes.string,
+  value: PropTypes.any,
+  label: PropTypes.node,
+  onChange: PropTypes.func,
+};
+
+export default Checkbox;
diff --git a/components/common/CopyButton.js b/components/common/CopyButton.js
index 460c68ac..b300ef31 100644
--- a/components/common/CopyButton.js
+++ b/components/common/CopyButton.js
@@ -1,4 +1,5 @@
 import React, { useState } from 'react';
+import PropTypes from 'prop-types';
 import Button from './Button';
 import { FormattedMessage } from 'react-intl';
 
@@ -6,7 +7,7 @@ const defaultText = (
   <FormattedMessage id="label.copy-to-clipboard" defaultMessage="Copy to clipboard" />
 );
 
-export default function CopyButton({ element, ...props }) {
+function CopyButton({ element, ...props }) {
   const [text, setText] = useState(defaultText);
 
   function handleClick() {
@@ -24,3 +25,13 @@ export default function CopyButton({ element, ...props }) {
     </Button>
   );
 }
+
+CopyButton.propTypes = {
+  element: PropTypes.shape({
+    current: PropTypes.shape({
+      select: PropTypes.func.isRequired,
+    }),
+  }),
+};
+
+export default CopyButton;
diff --git a/components/common/DateFilter.js b/components/common/DateFilter.js
index fb76a081..6279d338 100644
--- a/components/common/DateFilter.js
+++ b/components/common/DateFilter.js
@@ -1,4 +1,5 @@
 import React, { useState } from 'react';
+import PropTypes from 'prop-types';
 import { FormattedMessage } from 'react-intl';
 import { endOfYear, isSameDay } from 'date-fns';
 import Modal from './Modal';
@@ -54,7 +55,7 @@ const filterOptions = [
   },
 ];
 
-export default function DateFilter({ value, startDate, endDate, onChange, className }) {
+function DateFilter({ value, startDate, endDate, onChange, className }) {
   const [showPicker, setShowPicker] = useState(false);
   const displayValue =
     value === 'custom' ? (
@@ -117,3 +118,13 @@ const CustomRange = ({ startDate, endDate, onClick }) => {
     </>
   );
 };
+
+DateFilter.propTypes = {
+  value: PropTypes.string,
+  startDate: PropTypes.instanceOf(Date),
+  endDate: PropTypes.instanceOf(Date),
+  onChange: PropTypes.func,
+  className: PropTypes.string,
+};
+
+export default DateFilter;
diff --git a/components/common/Dot.js b/components/common/Dot.js
index d5dcf914..81454c48 100644
--- a/components/common/Dot.js
+++ b/components/common/Dot.js
@@ -1,8 +1,9 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import styles from './Dot.module.css';
 
-export default function Dot({ color, size, className }) {
+function Dot({ color, size, className }) {
   return (
     <div className={styles.wrapper}>
       <div
@@ -15,3 +16,11 @@ export default function Dot({ color, size, className }) {
     </div>
   );
 }
+
+Dot.propTypes = {
+  color: PropTypes.string,
+  size: PropTypes.oneOf(['small', 'large']),
+  className: PropTypes.string,
+};
+
+export default Dot;
diff --git a/components/common/DropDown.js b/components/common/DropDown.js
index 3b3be39e..00d20e34 100644
--- a/components/common/DropDown.js
+++ b/components/common/DropDown.js
@@ -1,4 +1,5 @@
 import React, { useState, useRef } from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import Menu from './Menu';
 import useDocumentClick from 'hooks/useDocumentClick';
@@ -6,13 +7,7 @@ import Chevron from 'assets/chevron-down.svg';
 import styles from './Dropdown.module.css';
 import Icon from './Icon';
 
-export default function DropDown({
-  value,
-  className,
-  menuClassName,
-  options = [],
-  onChange = () => {},
-}) {
+function DropDown({ value, className, menuClassName, options = [], onChange = () => {} }) {
   const [showMenu, setShowMenu] = useState(false);
   const ref = useRef();
   const selectedOption = options.find(e => e.value === value);
@@ -52,3 +47,18 @@ export default function DropDown({
     </div>
   );
 }
+
+DropDown.propTypes = {
+  value: PropTypes.any,
+  className: PropTypes.string,
+  menuClassName: PropTypes.string,
+  options: PropTypes.arrayOf(
+    PropTypes.shape({
+      value: PropTypes.any.isRequired,
+      label: PropTypes.node,
+    }),
+  ),
+  onChange: PropTypes.func,
+};
+
+export default DropDown;
diff --git a/components/common/EmptyPlaceholder.js b/components/common/EmptyPlaceholder.js
index 26a9fcbf..a223814d 100644
--- a/components/common/EmptyPlaceholder.js
+++ b/components/common/EmptyPlaceholder.js
@@ -1,9 +1,10 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import Icon from 'components/common/Icon';
 import Logo from 'assets/logo.svg';
 import styles from './EmptyPlaceholder.module.css';
 
-export default function EmptyPlaceholder({ msg, children }) {
+function EmptyPlaceholder({ msg, children }) {
   return (
     <div className={styles.placeholder}>
       <Icon className={styles.icon} icon={<Logo />} size="xlarge" />
@@ -12,3 +13,10 @@ export default function EmptyPlaceholder({ msg, children }) {
     </div>
   );
 }
+
+EmptyPlaceholder.propTypes = {
+  msg: PropTypes.node,
+  children: PropTypes.node,
+};
+
+export default EmptyPlaceholder;
diff --git a/components/common/Favicon.js b/components/common/Favicon.js
index 07ec696c..d72cd3c7 100644
--- a/components/common/Favicon.js
+++ b/components/common/Favicon.js
@@ -1,4 +1,5 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import styles from './Favicon.module.css';
 
 function getHostName(url) {
@@ -6,7 +7,7 @@ function getHostName(url) {
   return match && match.length > 1 ? match[1] : null;
 }
 
-export default function Favicon({ domain, ...props }) {
+function Favicon({ domain, ...props }) {
   const hostName = domain ? getHostName(domain) : null;
 
   return hostName ? (
@@ -19,3 +20,9 @@ export default function Favicon({ domain, ...props }) {
     />
   ) : null;
 }
+
+Favicon.propTypes = {
+  domain: PropTypes.string,
+};
+
+export default Favicon;
diff --git a/components/common/FilterButtons.js b/components/common/FilterButtons.js
index 5b898bf4..ea811216 100644
--- a/components/common/FilterButtons.js
+++ b/components/common/FilterButtons.js
@@ -1,11 +1,25 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import ButtonLayout from 'components/layout/ButtonLayout';
 import ButtonGroup from './ButtonGroup';
 
-export default function FilterButtons({ buttons, selected, onClick }) {
+function FilterButtons({ buttons, selected, onClick }) {
   return (
     <ButtonLayout>
       <ButtonGroup size="xsmall" items={buttons} selectedItem={selected} onClick={onClick} />
     </ButtonLayout>
   );
 }
+
+FilterButtons.propTypes = {
+  buttons: PropTypes.arrayOf(
+    PropTypes.shape({
+      label: PropTypes.node,
+      value: PropTypes.any.isRequired,
+    }),
+  ),
+  selected: PropTypes.any,
+  onClick: PropTypes.func,
+};
+
+export default FilterButtons;
diff --git a/components/common/Icon.js b/components/common/Icon.js
index 8a794f61..e9d96eb5 100644
--- a/components/common/Icon.js
+++ b/components/common/Icon.js
@@ -1,8 +1,9 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import styles from './Icon.module.css';
 
-export default function Icon({ icon, className, size = 'medium', ...props }) {
+function Icon({ icon, className, size = 'medium', ...props }) {
   return (
     <div
       className={classNames(styles.icon, className, {
@@ -18,3 +19,11 @@ export default function Icon({ icon, className, size = 'medium', ...props }) {
     </div>
   );
 }
+
+Icon.propTypes = {
+  className: PropTypes.string,
+  icon: PropTypes.node.isRequired,
+  size: PropTypes.oneOf(['xlarge', 'large', 'medium', 'small', 'xsmall']),
+};
+
+export default Icon;
diff --git a/components/common/Link.js b/components/common/Link.js
index 466e018c..f0fad731 100644
--- a/components/common/Link.js
+++ b/components/common/Link.js
@@ -1,10 +1,11 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import NextLink from 'next/link';
 import Icon from './Icon';
 import styles from './Link.module.css';
 
-export default function Link({ className, icon, children, size, iconRight, ...props }) {
+function Link({ className, icon, children, size, iconRight, ...props }) {
   return (
     <NextLink {...props}>
       <a
@@ -21,3 +22,13 @@ export default function Link({ className, icon, children, size, iconRight, ...pr
     </NextLink>
   );
 }
+
+Link.propTypes = {
+  className: PropTypes.string,
+  icon: PropTypes.node,
+  children: PropTypes.node,
+  size: PropTypes.oneOf(['large', 'small', 'xsmall']),
+  iconRight: PropTypes.bool,
+};
+
+export default Link;
diff --git a/components/common/Loading.js b/components/common/Loading.js
index 46e72f17..16d8bb8a 100644
--- a/components/common/Loading.js
+++ b/components/common/Loading.js
@@ -1,8 +1,9 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import styles from './Loading.module.css';
 
-export default function Loading({ className }) {
+function Loading({ className }) {
   return (
     <div className={classNames(styles.loading, className)}>
       <div />
@@ -11,3 +12,9 @@ export default function Loading({ className }) {
     </div>
   );
 }
+
+Loading.propTypes = {
+  className: PropTypes.string,
+};
+
+export default Loading;
diff --git a/components/common/Menu.js b/components/common/Menu.js
index 6421ba55..91eeee97 100644
--- a/components/common/Menu.js
+++ b/components/common/Menu.js
@@ -1,8 +1,9 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import styles from './Menu.module.css';
 
-export default function Menu({
+function Menu({
   options = [],
   selectedOption,
   className,
@@ -46,3 +47,24 @@ export default function Menu({
     </div>
   );
 }
+
+Menu.propTypes = {
+  options: PropTypes.arrayOf(
+    PropTypes.shape({
+      label: PropTypes.node,
+      value: PropTypes.any,
+      className: PropTypes.string,
+      render: PropTypes.func,
+      divider: PropTypes.bool,
+    }),
+  ),
+  selectedOption: PropTypes.any,
+  className: PropTypes.string,
+  float: PropTypes.oneOf(['top', 'bottom']),
+  align: PropTypes.oneOf(['left', 'right']),
+  optionClassName: PropTypes.string,
+  selectedClassName: PropTypes.string,
+  onSelect: PropTypes.func,
+};
+
+export default Menu;
diff --git a/components/common/MenuButton.js b/components/common/MenuButton.js
index c3e2b0ec..40df2e0c 100644
--- a/components/common/MenuButton.js
+++ b/components/common/MenuButton.js
@@ -1,11 +1,12 @@
 import React, { useState, useRef } from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import Menu from 'components/common/Menu';
 import Button from 'components/common/Button';
 import useDocumentClick from 'hooks/useDocumentClick';
 import styles from './MenuButton.module.css';
 
-export default function MenuButton({
+function MenuButton({
   icon,
   value,
   options,
@@ -58,3 +59,25 @@ export default function MenuButton({
     </div>
   );
 }
+
+MenuButton.propTypes = {
+  icon: PropTypes.node,
+  value: PropTypes.any,
+  options: PropTypes.arrayOf(
+    PropTypes.shape({
+      label: PropTypes.node,
+      value: PropTypes.any,
+      className: PropTypes.string,
+      render: PropTypes.func,
+      divider: PropTypes.bool,
+    }),
+  ),
+  buttonClassName: PropTypes.string,
+  menuClassName: PropTypes.string,
+  menuPosition: PropTypes.oneOf(['top', 'bottom']),
+  menuAlign: PropTypes.oneOf(['left', 'right']),
+  onSelect: PropTypes.func,
+  renderValue: PropTypes.func,
+};
+
+export default MenuButton;
diff --git a/components/common/Modal.js b/components/common/Modal.js
index 42df57e2..694fba60 100644
--- a/components/common/Modal.js
+++ b/components/common/Modal.js
@@ -1,9 +1,10 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import ReactDOM from 'react-dom';
 import { useSpring, animated } from 'react-spring';
 import styles from './Modal.module.css';
 
-export default function Modal({ title, children }) {
+function Modal({ title, children }) {
   const props = useSpring({ opacity: 1, from: { opacity: 0 } });
 
   return ReactDOM.createPortal(
@@ -16,3 +17,10 @@ export default function Modal({ title, children }) {
     document.getElementById('__modals'),
   );
 }
+
+Modal.propTypes = {
+  title: PropTypes.node,
+  children: PropTypes.node,
+};
+
+export default Modal;
diff --git a/components/common/NavMenu.js b/components/common/NavMenu.js
index 6cbe7559..82d97fff 100644
--- a/components/common/NavMenu.js
+++ b/components/common/NavMenu.js
@@ -1,9 +1,10 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import { useRouter } from 'next/router';
 import classNames from 'classnames';
 import styles from './NavMenu.module.css';
 
-export default function NavMenu({ options = [], className, onSelect = () => {} }) {
+function NavMenu({ options = [], className, onSelect = () => {} }) {
   const router = useRouter();
 
   return (
@@ -30,3 +31,17 @@ export default function NavMenu({ options = [], className, onSelect = () => {} }
     </div>
   );
 }
+
+NavMenu.propTypes = {
+  options: PropTypes.arrayOf(
+    PropTypes.shape({
+      label: PropTypes.node,
+      value: PropTypes.any,
+      className: PropTypes.string,
+      render: PropTypes.func,
+    }),
+  ),
+  className: PropTypes.string,
+  onSelect: PropTypes.func,
+};
+export default NavMenu;
diff --git a/components/common/NoData.js b/components/common/NoData.js
index bb27c18f..9d523437 100644
--- a/components/common/NoData.js
+++ b/components/common/NoData.js
@@ -1,12 +1,19 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import { FormattedMessage } from 'react-intl';
 import styles from './NoData.module.css';
 
-export default function NoData({ className }) {
+function NoData({ className }) {
   return (
     <div className={classNames(styles.container, className)}>
       <FormattedMessage id="message.no-data-available" defaultMessage="No data available." />
     </div>
   );
 }
+
+NoData.propTypes = {
+  className: PropTypes.string,
+};
+
+export default NoData;
diff --git a/components/common/RefreshButton.js b/components/common/RefreshButton.js
index b1b80a83..a2857522 100644
--- a/components/common/RefreshButton.js
+++ b/components/common/RefreshButton.js
@@ -1,4 +1,5 @@
 import React, { useState, useEffect } from 'react';
+import PropTypes from 'prop-types';
 import { useDispatch, useSelector } from 'react-redux';
 import { FormattedMessage } from 'react-intl';
 import { setDateRange } from 'redux/actions/websites';
@@ -8,7 +9,7 @@ import Dots from 'assets/ellipsis-h.svg';
 import useDateRange from 'hooks/useDateRange';
 import { getDateRange } from '../../lib/date';
 
-export default function RefreshButton({ websiteId }) {
+function RefreshButton({ websiteId }) {
   const dispatch = useDispatch();
   const [dateRange] = useDateRange(websiteId);
   const [loading, setLoading] = useState(false);
@@ -35,3 +36,9 @@ export default function RefreshButton({ websiteId }) {
     />
   );
 }
+
+RefreshButton.propTypes = {
+  websiteId: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
+};
+
+export default RefreshButton;
diff --git a/components/common/Table.js b/components/common/Table.js
index f0989903..004b5af6 100644
--- a/components/common/Table.js
+++ b/components/common/Table.js
@@ -1,9 +1,10 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import NoData from 'components/common/NoData';
 import styles from './Table.module.css';
 
-export default function Table({
+function Table({
   columns,
   rows,
   empty,
@@ -45,6 +46,34 @@ export default function Table({
   );
 }
 
+const styledObject = PropTypes.shape({
+  className: PropTypes.string,
+  style: PropTypes.object,
+});
+
+Table.propTypes = {
+  columns: PropTypes.arrayOf(
+    PropTypes.shape({
+      cell: styledObject,
+      className: PropTypes.string,
+      header: styledObject,
+      key: PropTypes.string,
+      label: PropTypes.node,
+      render: PropTypes.func,
+      style: PropTypes.object,
+    }),
+  ),
+  rows: PropTypes.arrayOf(PropTypes.object),
+  empty: PropTypes.node,
+  className: PropTypes.string,
+  bodyClassName: PropTypes.string,
+  rowKey: PropTypes.func,
+  showHeader: PropTypes.bool,
+  children: PropTypes.node,
+};
+
+export default Table;
+
 export const TableRow = ({ columns, row }) => (
   <div className={classNames(styles.row, 'row')}>
     {columns.map(({ key, render, className, style, cell }, index) => (
diff --git a/components/common/Tag.js b/components/common/Tag.js
index 29612dca..08589c36 100644
--- a/components/common/Tag.js
+++ b/components/common/Tag.js
@@ -1,7 +1,15 @@
 import React from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 import styles from './Tag.module.css';
 
-export default function Tag({ className, children }) {
+function Tag({ className, children }) {
   return <span className={classNames(styles.tag, className)}>{children}</span>;
 }
+
+Tag.propTypes = {
+  className: PropTypes.string,
+  children: PropTypes.node,
+};
+
+export default Tag;
diff --git a/components/common/Toast.js b/components/common/Toast.js
index 12787985..e8218766 100644
--- a/components/common/Toast.js
+++ b/components/common/Toast.js
@@ -1,11 +1,12 @@
 import React, { useEffect } from 'react';
+import PropTypes from 'prop-types';
 import ReactDOM from 'react-dom';
 import { useSpring, animated } from 'react-spring';
 import styles from './Toast.module.css';
 import Icon from 'components/common/Icon';
 import Close from 'assets/times.svg';
 
-export default function Toast({ message, timeout = 3000, onClose }) {
+function Toast({ message, timeout = 3000, onClose }) {
   const props = useSpring({
     opacity: 1,
     transform: 'translate3d(0,0px,0)',
@@ -24,3 +25,11 @@ export default function Toast({ message, timeout = 3000, onClose }) {
     document.getElementById('__modals'),
   );
 }
+
+Toast.propTypes = {
+  message: PropTypes.node,
+  timeout: PropTypes.number,
+  onClose: PropTypes.func,
+};
+
+export default Toast;
diff --git a/components/common/WorldMap.js b/components/common/WorldMap.js
index 7a4a0fda..ee3a0a00 100644
--- a/components/common/WorldMap.js
+++ b/components/common/WorldMap.js
@@ -1,4 +1,5 @@
 import React, { useState, useMemo } from 'react';
+import PropTypes from 'prop-types';
 import ReactTooltip from 'react-tooltip';
 import { ComposableMap, Geographies, Geography, ZoomableGroup } from 'react-simple-maps';
 import classNames from 'classnames';
@@ -12,7 +13,7 @@ import { useRouter } from 'next/router';
 
 const geoUrl = '/world-110m.json';
 
-export default function WorldMap({ data, className }) {
+function WorldMap({ data, className }) {
   const { basePath } = useRouter();
   const [tooltip, setTooltip] = useState();
   const [theme] = useTheme();
@@ -89,3 +90,16 @@ export default function WorldMap({ data, className }) {
     </div>
   );
 }
+
+WorldMap.propTypes = {
+  data: PropTypes.arrayOf(
+    PropTypes.shape({
+      x: PropTypes.string,
+      y: PropTypes.number,
+      z: PropTypes.number,
+    }),
+  ),
+  className: PropTypes.string,
+};
+
+export default WorldMap;