Browser - ewwΒΆ
Emacs has build-in browser eww and I used it for reading articles for its inability to process multi-media content and sometimes I turn off the display of image, so I can fully focus on the context.
;; http://emacs.stackexchange.com/questions/561/how-can-i-toggle-displaying-images-in-eww-without-a-page-refresh
(defvar-local endless/display-images t)
(defun endless/toggle-image-display ()
"Toggle images display on current buffer."
(interactive)
(setq endless/display-images
(null endless/display-images))
(endless/backup-display-property endless/display-images))
(defun endless/backup-display-property (invert &optional object)
"Move the 'display property at POS to 'display-backup.
Only applies if display property is an image.
If INVERT is non-nil, move from 'display-backup to 'display
instead.
Optional OBJECT specifies the string or buffer. Nil means current
buffer."
(let* ((inhibit-read-only t)
(from (if invert 'display-backup 'display))
(to (if invert 'display 'display-backup))
(pos (point-min))
left prop)
(while (and pos (/= pos (point-max)))
(if (get-text-property pos from object)
(setq left pos)
(setq left (next-single-property-change pos from object)))
(if (or (null left) (= left (point-max)))
(setq pos nil)
(setq prop (get-text-property left from object))
(setq pos (or (next-single-property-change left from object)
(point-max)))
(when (eq (car prop) 'image)
(add-text-properties left pos (list from nil to prop) object))))))