MozillaZine

reduce page bandwidth usage images

Discussion of features in Mozilla Firefox
ubuntulistener
 
Posts: 2
Joined: July 22nd, 2012, 4:01 pm

Post Posted May 8th, 2016, 12:12 pm

Hello
Wondering if anyone knows how the permissions.default.image works, because I noticed that according to the "view page info" right-click feature, the page size remains constant regardless of image loading or blocking.
Thanks

therube

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Posts: 17503
Joined: March 10th, 2004, 9:59 pm
Location: Maryland USA

Post Posted May 9th, 2016, 8:23 am

I'd have to guess that it simply (attempts to) block the display of "images", but does not actually block their loading.

Plus there are "items" that to me look like images, but are loading even with images set to not load, http://betanews.com/ ?

I'm not clear whether the global setting is still expected to work or if now it might only be per domain?
Suppose it does work globally, to an extent.
http://kb.mozillazine.org/Permissions.default.image
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.19) Gecko/20110420 SeaMonkey/2.0.14 Pinball CopyURL+ FetchTextURL FlashGot NoScript

therube

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Posts: 17503
Joined: March 10th, 2004, 9:59 pm
Location: Maryland USA

Post Posted May 9th, 2016, 8:31 am

Certainly not blocking all images.

Set to '2'.
Code: Select all
GET
http://betanews.com/wp-content/uploads/2015/10/Microsoft_edge_Windows_10-50x50.jpg [HTTP/1.1 200 OK 46ms]
GET
http://betanews.com/wp-content/uploads/2014/07/Hotel-wi-fi-business-150x150.jpg [HTTP/1.1 200 OK 62ms]
GET
http://betanews.com/wp-content/uploads/2014/08/developer-laptop-150x150.jpg [HTTP/1.1 200 OK 31ms]
GET
http://betanews.com/wp-content/uploads/2016/05/446303-Defense-Lux-for-iPhone6s-Purple-Impression-feat-150x150.jpg [HTTP/1.1 200 OK 79ms]
GET
http://betanews.com/wp-content/uploads/2015/10/Microsoft_edge_Windows_10-150x150.jpg [HTTP/1.1 200 OK 63ms]
GET
http://betanews.com/wp-content/uploads/2016/02/windows_10_spying-150x150.jpg [HTTP/1.1 200 OK 63ms]
GET
http://betanews.com/wp-content/uploads/2016/05/portland-trail-blazers-150x150.jpg [HTTP/1.1 200 OK 94ms]
GET
http://betanews.com/wp-content/uploads/2013/05/candy-hearts-xoxo-kiss-love-150x150.jpg [HTTP/1.1 200 OK 62ms]
GET
http://betanews.com/wp-content/uploads/2013/07/security-guards-150x150.jpg [HTTP/1.1 200 OK 62ms]
GET
http://betanews.com/wp-content/uploads/2022/03/man-globe-cloud-150x150.jpg [HTTP/1.1 200 OK 78ms]
GET
http://betanews.com/wp-content/uploads/2015/10/Microsoft_edge_Windows_10-150x150.jpg [HTTP/1.1 200 OK 0ms]


Set do defaults:
Code: Select all
GET
http://tps30.doubleverify.com/visit.jpg [HTTP/1.1 200 OK 94ms]
GET
http://tps30.doubleverify.com/visit.jpg [HTTP/1.1 200 OK 47ms]
GET
http://betanews.com/wp-content/uploads/2014/07/Hotel-wi-fi-business-350x200.jpg [HTTP/1.1 200 OK 141ms]
GET
http://betanews.com/wp-content/uploads/2015/10/Microsoft_edge_Windows_10-50x50.jpg [HTTP/1.1 200 OK 219ms]
GET
http://betanews.com/wp-content/uploads/2014/07/Hotel-wi-fi-business-150x150.jpg [HTTP/1.1 200 OK 109ms]
GET
http://betanews.com/wp-content/uploads/2014/08/developer-laptop-150x150.jpg [HTTP/1.1 200 OK 125ms]
GET
http://betanews.com/wp-content/uploads/2016/05/446303-Defense-Lux-for-iPhone6s-Purple-Impression-feat-150x150.jpg [HTTP/1.1 200 OK 156ms]
GET
http://betanews.com/wp-content/uploads/2015/10/Microsoft_edge_Windows_10-150x150.jpg [HTTP/1.1 200 OK 156ms]
GET
http://betanews.com/wp-content/uploads/2016/02/windows_10_spying-150x150.jpg [HTTP/1.1 200 OK 141ms]
GET
http://betanews.com/wp-content/uploads/2016/05/portland-trail-blazers-150x150.jpg [HTTP/1.1 200 OK 125ms]
GET
http://betanews.com/wp-content/uploads/2013/05/candy-hearts-xoxo-kiss-love-150x150.jpg [HTTP/1.1 200 OK 125ms]
GET
http://betanews.com/wp-content/uploads/2013/07/security-guards-150x150.jpg [HTTP/1.1 200 OK 94ms]
GET
http://betanews.com/wp-content/uploads/2022/03/man-globe-cloud-150x150.jpg [HTTP/1.1 200 OK 47ms]
GET
https://scontent-iad3-1.xx.fbcdn.net/v/t1.0-1/c40.40.495.495/s50x50/17706_427793057295612_206580841_n.jpg [HTTP/2.0 200 OK 62ms]
GET
https://scontent-iad3-1.xx.fbcdn.net/v/t1.0-1/p50x50/13173986_111572612589720_2544282601734684622_n.jpg [HTTP/2.0 200 OK 62ms]
GET
https://scontent-iad3-1.xx.fbcdn.net/v/t1.0-1/c14.0.50.50/p50x50/13087874_104002960013537_8048509619208503331_n.jpg [HTTP/2.0 200 OK 62ms]
GET
https://scontent-iad3-1.xx.fbcdn.net/v/t1.0-1/c15.0.50.50/p50x50/1379841_10150004552801901_469209496895221757_n.jpg [HTTP/2.0 200 OK 62ms]
GET
https://scontent-iad3-1.xx.fbcdn.net/v/t1.0-1/p50x50/12705159_1673120852959319_2610771574570945467_n.jpg [HTTP/2.0 200 OK 78ms]
GET
https://scontent-iad3-1.xx.fbcdn.net/v/t1.0-1/p50x50/13179342_118956888515794_8694921022472618739_n.jpg [HTTP/2.0 200 OK 93ms]
GET
https://scontent-iad3-1.xx.fbcdn.net/v/t1.0-1/p50x50/10641281_10152470166124209_8617144608358984311_n.jpg [HTTP/2.0 200 OK 93ms]
GET
https://scontent-iad3-1.xx.fbcdn.net/v/t1.0-1/p50x50/12376686_10206371441141184_9123674306169283597_n.jpg [HTTP/2.0 200 OK 125ms]
GET
https://external-iad3-1.xx.fbcdn.net/safe_image.php [HTTP/2.0 200 OK 140ms]
GET
https://external-iad3-1.xx.fbcdn.net/safe_image.php [HTTP/2.0 200 OK 171ms]


So it is certainly blocking some from loading.
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.19) Gecko/20110420 SeaMonkey/2.0.14 Pinball CopyURL+ FetchTextURL FlashGot NoScript

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