Extend the selection

`↑ Shift` + `Mouse left click`

All hotkeys for Safari

Webpages Scroll up, down, left, or right	`← ↑ → ↓`
Webpages Scroll in larger increments	`⌥ Option` + `← ↑ → ↓`
Webpages Scroll down a screen	`Page Down`
Bookmarks sidebar and bookmarks view Close the selected folder	`Space`
Webpages Scroll up a screen	`Page Up`
Webpages Scroll up a screen	`↑ Shift` + `Space`
Webpages Scroll to the top-left corner of the page	`⌘ Cmd` + `↑`
Webpages Scroll to the top-left corner of the page	`Home`
Webpages Scroll to the bottom-left corner of the page	`⌘ Cmd` + `↓`
Webpages Scroll to the bottom-left corner of the page	`End`
Webpages highlights the next text field or pop-up menu. Tab also highlights buttons and other controls if “All controls” is selected in the Shortcuts pane of the Keyboard pane of System Preferences. Highlight the next item on a webpage	`⭾ Tab`
Webpages Highlights the same items as Tab plus all other clickable items. To swap the behavior of Tab and Option + Tab, turn on “Press Tab to highlight each item on a webpage” in the Advanced pane of Safari preferences	`⌥ Option` + `⭾ Tab`
Webpages Show all tabs	`↑ Shift` + `⌘ Cmd` + `\`
Bookmarks sidebar and bookmarks view Click on each bookmark and folder to select bookmarks and folders in the sidebar	`⌘ Cmd` + `Mouse left click`
Webpages Open a page in a new tab, and make that tab the active tab, after typing in the Smart Search field	`⌘ Cmd` + `⤶ Enter`
Webpages Click on a link or a bookmark to open a page in a new tab, and make that tab the active tab	`↑ Shift` + `⌘ Cmd` + `Mouse left click`
Webpages Make the next tab the active tab	`Control` + `⭾ Tab`
Webpages Make the next tab the active tab	`↑ Shift` + `⌘ Cmd` + `]`
Webpages Make the previous tab the active tab	`Control` + `↑ Shift` + `⭾ Tab`
Webpages Make the previous tab the active tab	`↑ Shift` + `⌘ Cmd` + `[`
Webpages ... to 9: Select one of your first nine tabs	`⌘ Cmd` + `1`
Bookmarks sidebar and bookmarks view Click on the New Folder button near the top-right corner to create a folder containing the selected bookmarks and folders in bookmarks view	`⌥ Option` + `Mouse left click`
Webpages Reopen the last tab or window you closed	`↑ Shift` + `⌘ Cmd` + `T`
Webpages Go to your homepage	`⌘ Cmd` + `Home`
Bookmarks sidebar and bookmarks view Cancel editing a bookmark name in the sidebar	`Esc`
Webpages Double click on the file in the downloads list to open a downloaded file	`Mouse double click`
Webpages Zoom in to website content	`⌘ Cmd` + `+`
Webpages Zoom out to website content	`⌘ Cmd` + `-`
Reading List Show or Hide the Reading List sidebar	`Control` + `⌘ Cmd` + `2`
Reading List Add the current page	`↑ Shift` + `⌘ Cmd` + `D`
Bookmarks sidebar and bookmarks view Extend the selection	`↑ Shift` + `Mouse left click`
Reading List Click the page summary in the sidebar, then choose Remove Item.	`Control` + `Mouse left click`
Bookmarks sidebar and bookmarks view Show or Hide the Bookmarks sidebar	`Control` + `⌘ Cmd` + `1`
Bookmarks sidebar and bookmarks view Select the next bookmark or folder	`↑ ↓`
Bookmarks sidebar and bookmarks view Open the selected folder	`→`
Bookmarks sidebar and bookmarks view Close the selected folder	`←`
Bookmarks sidebar and bookmarks view Finish editing a bookmark name	`⤶ Enter`
Bookmarks sidebar and bookmarks view Delete a bookmark	`Del`