OK, but I re­al­ly want to get rid of every­thing. How do I that?

If you want to com­plete­ly unin­stall the plu­g­in and get rid of any da­ta in the data­base, you should prop­er­ly unin­stall it: De­ac­ti­vate the plu­g­in first via the Word­Press plu­g­ins page and then click Delete (same page, next to the plu­g­in). For mul­ti­site in­stal­la­tions, this has to be done by the net­work ad­min­is­tra­tor on the net­work plu­g­ins page.

The plu­g­in saves ad­di­tion­al da­ta about whether com­menters and users want to dis­play a gra­vatar or not (if you se­lect that mode in the set­tings). The […]


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What hap­pens if I re­move the plu­g­in?

There is a dif­fer­ence be­tween de­ac­ti­vat­ing the plu­g­in and unin­stalling it. The plu­g­in gets de­ac­ti­vat­ed if you do so on the plu­g­ins page or if you sim­ply delete the plu­g­in files via FTP. No unin­stal­la­tion tasks are per­formed then, so you can ac­ti­vate and de­ac­ti­vate the plu­g­in as you want with­out los­ing the plugin’s set­tings.

If you de­ac­ti­vate the plu­g­in und have gra­vatars turned on, they will again show up for every­body, even those com­menters and users who opt­ed out of dis­play­ing […]


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Can com­menters over­ride a reg­is­tered user’s choice whether to dis­play a gra­vatar by cre­at­ing fake com­ments?

No, for reg­is­tered users the user pro­file is checked, not the ta­ble for the commenter’s choic­es. Com­menters can not over­ride this val­ue, not even the user them­selves if they post a com­ment when not signed‐​in.

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Won’t spam com­ments flood the data­base ta­ble with use­less en­tries for the check­box in the com­ment form?

The plu­g­in doesn’t save the val­ue of the “use gra­vatar” check­box for com­ments by reg­is­tered users (see be­low), trackbacks/​pingbacks (there is no e‐​mail ad­dress) and com­ments that are marked as spam when they are saved. If you mark a com­ment as spam lat­er, the ta­ble en­try is not re­moved, since the same e‐​mail ad­dress might al­so be used by non‐​spam com­ments. If a com­ment is marked as spam by Ak­ismet or sim­i­lar plu­g­ins and you lat­er man­u­al­ly mark it as non‐​spam, what the user se­lect­ed […]


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Will the avatar caching make my disk space run out?

While stor­ing the cached avatar im­ages on your own serv­er will take some ex­tra disk space, the plu­g­in makes sure that it does not grow out of bounds by delet­ing cached gra­vatars every oth­er day and all oth­er im­ages once a week. When the cached file is ac­cessed again, it is au­to­mat­i­cal­ly re­gen­er­at­ed.

If you don’t have to wor­ry about the amount of disk space con­sumed, you can ex­tend the max­i­mum age of cached files via the fil­ter hooks avatar_privacy_gravatars_max_age and avatar_privacy_all_images_max_age. The cron job in­ter­vals […]


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Can this plu­g­in be used on a mul­ti­site in­stal­la­tion?

Yes, the plu­g­in can be used on a mul­ti­site in­stal­la­tion. You can ei­ther ac­ti­vate it on in­di­vid­ual blogs or do a net­work ac­ti­va­tion. As users are glob­al to a mul­ti­site in­stal­la­tion, their choice re­gard­ing Gra​vatar​.com use will af­fect all sites in the net­work. So if a user com­ments on blog A and choos­es to dis­play gra­vatars, this de­ci­sion will be fol­lowed on blog B and C too. On new in­stal­la­tions, com­ment au­thor (i.e. non‐​user) opt‐​in is […]


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Can this plu­g­in be used to­geth­er with cache plu­g­ins?

Yes, it cer­tain­ly can. You have to be care­ful though which plu­g­in op­tions you se­lect and how you cache your con­tent. The first plu­g­in op­tion checks if a gra­vatar ex­ists for a giv­en e‐​mail ad­dress and, if not, dis­plays the de­fault im­age di­rect­ly. If you cache the out­put of this check, the gra­vatar will not be dis­played if the user lat­er de­cides to sign up with Gra​vatar​.com. If you’re us­ing this op­tion, you should in­val­i­date cached pages with gra­vatars on them (most­ly the sin­gle view of en­tries) […]


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What hap­pens if I dis­able the plu­g­in? Are any of the da­ta al­tered?

The plu­g­in saves ad­di­tion­al da­ta about whether com­menters and users want to dis­play a gra­vatar or not (if you se­lect that mode in the set­tings). These da­ta are delet­ed when you prop­er­ly unin­stall the plu­g­in.

Apart from that, the plu­g­in on­ly fil­ters da­ta, but does not per­ma­nent­ly change them. Es­pe­cial­ly, if you de­ac­ti­vate the plu­g­in und have gra­vatars turned on, they will again show up for every­body, even those com­menters and users who opt­ed out of dis­play­ing gra­vatars. You do have to change […]


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I still don’t see the check­box in the com­ment form!? Every­thing else works.

Then you prob­a­bly don’t use a mod­ern theme which makes use of the func­tion comment_form() to cre­ate the com­ment form. Check if you can find this func­tion used in comments.php or a sim­i­lar file of your theme. If you do and it still doesn’t work, tell me. Oth­er­wise chances are that you do have to add the check­box man­u­al­ly. Use this func­tion: […]


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