[NSFW] Wrong display for tablet or desktop

Hello @luismt74

Thank you for your inquiry and I am happy to assist you with this.
You can use User Agent Groups.
Go to Perforance>User Agent Groups and there you can create (enable) a group of user agents by specifying names in the user agents field. Assign a set of user agents to use a specific theme, redirect them to another domain, or if an existing mobile plugin is active, create user agent groups to ensure that a unique cache is created for each user agent group. Drag and drop groups into order (if needed) to determine their priority (top -> down).
So if you are not using any mobile plugin simply enable the group and select your theme in the theme: drop-down menu, save all settings and purge the cache.
If you are using a mobile plugin, enable the group, keep the pass-through in the Theme: drop-down, and enter the redirect.
Thank you!

Thank you very much for your help! Excuse me if I did not understand correctly. What I should do is: serve the tablet version as mobile, right?
So I create a new group named “tablet” and assign it to my theme. But what should I enter in “User agents”?

Hello @luismt74

For mobile, you should enable the first two groups.
As for tablets you can create another group and add the User agents:
iPad
NexusTablet
SamsungTablet
HPTablet
AsusTablet
BlackBerryTablet
HTCtablet
MotorolaTablet
AcerTablet
ToshibaTablet
LGTablet
FujitsuTablet
LenovoTablet
DellTablet
SonyTablet
PhilipsTablet
HuaweiTablet

Make sure to save all settings and purge the cache.
Thank yoU!

Sorry, there are already two default groups: “tablets” and “phones”. Should I just enable those two?

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Hello @luismt74

Yes, you can. And make are to select your theme in the dropdown.
Thank you!

Thanks Marko! Two days passed and it works without problems. But it throws this error at me all the time:

PHP Warning: Cannot modify header information - headers already sent in /public_html/wp-content/plugins/w3-total-cache/Mobile_Referrer.php on line 35

Compatibility Check reports this:

Server Modules & Resources:

Plugin Version: 0.13.3
PHP Version: 7.3.17;
Web Server: nginx
FTP functions: Installed
Multibyte String support: Installed
cURL extension: Installed
zlib extension: Installed
brotli extension: Installed
Opcode cache: Installed (OPCache)
Memcached extension: Installed
Memcache extension: Installed
Redis extension: Not installed
HTML Tidy extension: Installed
Mime type detection: Installed
Hash function: Installed
Open basedir: On: /home/mysite/web/mysite.com/public_html:/home/mysite/tmp:/var/www/html:/etc/phpmyadmin:/etc/phpMyAdmin:/var/lib/phpmyadmin:/var/lib/phpMyAdmin:/etc/roundcube:/etc/roundcubemail:/var/lib/roundcube:/var/lib/roundcubemail:/tmp:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/usr/share:/var/opt:/opt
zlib output compression: Off
set_time_limit: Available
SSH2 extension: Not installed

WordPress Resources

/home/mysite/web/mysite.com/public_html/nginx.conf: OK
/home/mysite/web/mysite.com/public_html/wp-content: OK
/home/mysite/web/mysite.com/public_html/wp-content/uploads/2020/05: OK
Fancy permalinks: /%postname%/
WP_CACHE define: Defined (true)
URL rewrite: Enabled
Network mode: No

What could be the problem?

Has anyone had this problem and managed to solve it? ??

Hello @luismt74

Can you please share the screenshot of your User Agent Groups settings?
Thank you!

Yes, thanks for helping me Marko.

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Hello @luismt74

Thank you for the screenshot.
You need to select your theme in the Theme: dropdown under 2. Phones.
save all settings and purge the cache.
Thank you!

Thanks, but it won’t let me do it:
Duplicate theme "retrotube/retrotube" found in the group "tablets".

To select my theme in the group “phones” I must remove it from “tablets”. In this way you would return to the same problem from the beginning, right?

Hello @luismt74

If everything is working as expected you should then disable the Phone group.
Or you should move the phone user Agents to the Tablets group.
Thanks!

Thanks Marko, I just moved phone user agents to tablets, then removed the group phones. But the error continues, I don’t know what to do anymore. You may have to reinstall wp-rocket. ??

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Hello @luismt74

thank you for the information. I’ve checked this and the warning:
PHP Warning: Cannot modify header information - headers already sent in /public_html/wp-content/plugins/w3-total-cache/Mobile_Referrer.php on line 35
suggests that some other code already has written content, so possibly there is some conflict which we cannot find remotely so you need to check the source of this.
Thank you!

• This reply was modified 4 years, 9 months ago by Marko Vasiljevic.

Thanks for your help Marko. Yesterday, after the changes, it continued to return the error. But 24 hours have passed and the error stopped. ??

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