Google Instant Search (Web Application)

In Search Box

Jump from Search Box to Search Results (arrow icon left to first result appears)

enter in Search Box

All hotkeys for Google Instant Search (Web Application)

In Search Box
Type search term, Instant Search updates as you type

az in Search Box

In Search Box
Jump from Search Box to Search Results (arrow icon left to first result appears)

enter in Search Box

In Search Box
Choose Suggestions in Dropdown Selection List

arrow up / arrow down

In Search Box
Continue typing to update Search Results

az in Selection List

In Search Box
Update Search Result and jump to Search Results

enter in Selection List

In Search Box
Open first result ('I'm feeling luck' feature)

arrow right in Search Selection List

In Search Results
Return to search box. Instead escape, you can also just continue typing

escape or az

In Search Results
Jump to next / jump to previous search result (arrow icon moves to next result). arrow up on first result returns focus to Search Box.

arrow down / arrow up

In Search Results
Open result page

enter in search result

In Search Results
Open result in new browser window

shift + enter in search result

In Search Results
Open result in new background tab

command + enter

In Search Results
Open result in new foreground tab

command + shift + enter

In Search Results
Download result

option + enter in search result

Similar combinations for other applications