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+### Checklist for testing Vim Vixen
+
+#### Operations
+
+Test operations with default key maps.
+
+##### Scrolling
+
+- [ ] `k`/`<C-Y>`,`j`/`<C-E>`: scroll up and down
+- [ ] `h`,`l`: scroll left and right
+- [ ] `<C-U>`,`<C-D>`: scroll up and down by half of screen
+- [ ] `<C-B>`,`<C-F>`: scroll up and down by a screen
+- [ ] `0`,`$`: scroll to leftmost and rightmost
+- [ ] `gg`,`G`: scroll to top and bottom
+
+##### Console
+
+The behaviors of the console are tested in [Console section](#consoles).
+
+- [ ] `:`: open empty console
+- [ ] `o`,`t`,`w`: open a console with `open`,`tabopen`,`winopen`
+- [ ] `O`,`T`,`W`: open a console with `open`,`tabopen`,`winopen` and current URL
+- [ ] `b`: open a consolw with `buffer`
+
+##### Tabs
+
+- [ ] `d`: delete current tab
+- [ ] `u`: reopen close tab
+- [ ] `K`,`J`: select prev and next tab
+- [ ] `r`: reload current tab
+- [ ] `R`: reload current tab without cache
+
+##### Navigation
+
+- [ ] `f`: start following links
+- [ ] `F`: start following links and open in new tab
+- [ ] `H`,`L`: go back and forward in histories
+- [ ] `[[`,`]]`: find prev and next links and open it
+- [ ] `gu`: go to parent directory
+- [ ] `gU`: go to root directory
+
+##### Misc
+
+- [ ] `zi`,`zo`: zoom-in and zoom-out
+- [ ] `zz`: set zoom level as default
+- [ ] `y`: yank current URL and show a message
+
+#### Consoles
+
+##### Exec a command
+
+- [ ] `<EMPTY>`,`<SP>`: do nothing
+<br>
+
+- [ ] `open an apple`: search with keywords "an apple" by default search engine (google)
+- [ ] `open github.com`: open github.com
+- [ ] `open https://github.com`: open github.com
+- [ ] `open yahoo an apple`: search with keywords "an apple" by yahoo.com
+- [ ] `open yahoo`,`open yahoo<SP>`: search with empty keywords; yahoo redirects to top page
+- [ ] `open`,`open<SP>`: open default search engine
+<br>
+
+- [ ] `tabopen`: do avobe tests replaced `open` with `tabopen`, and verify the page is opened in new tab
+- [ ] `winopen`: do avobe tests replaced `open` with `winopen`, and verify the page is opened in new window
+<br>
+
+- [ ] `buffer`,`buffer<SP>`: do nothing
+- [ ] `buffer <title>`, `buffer <url>`: select tab which has an title matched with
+- [ ] `buffer 1`: select leftmost tab
+- [ ] `buffer 0`, `buffer 99`: shows an error
+- [ ] select tabs rotationally when more than two tabs are matched
+
+#### Completions
+
+##### History and search engines
+
+- [ ] `open`: show no completions
+- [ ] `open<SP>`: show all engines and some history items
+- [ ] `open g`: complete search engines starts with `g` and matched with keywords `g`
+- [ ] `open foo bar`: complete history items matched with keywords `foo` and `bar`
+- [ ] also `tabopen` and `winopen`
+- shortening commands such as `o` are not test in this release
+
+##### Buffer command
+
+- [ ] `buffer`: show no completions
+- [ ] `buffer<SP>`: show all opened tabs in completion
+- [ ] `buffer x`: show tabs which has title and URL matches with `x`
+
+#### Settings
+
+##### Validations
+
+- [ ] show error on invalid json
+- [ ] show error when top-level keys has keys other than `keymaps`, and `search`
+
+##### `"keymaps"` section
+
+- [ ] show error on unknown operation name in `"keymaps"`
+
+##### `"search"` section
+
+- validations in `"search"` section are not tested in this release
+
+##### Updating
+
+- [ ] changes are updated on textarea blure when no errors
+- [ ] changes are not updated on textarea blure when errors occurs
+- [ ] keymap settings are applied to open tabs without reload
+- [ ] search settings are applied to open tabs without reload