You didn’t post any page address.
You can try to use position Above header (needs enabled Output buffering):
https://adinserter.pro/documentation#automatic-insertion
Or use insertion before/after HTML element:
https://adinserter.pro/documentation#insertion-before-after-html-element
Excuse me but in the general tab does not appear that HTML element to add: #header, I do not see that in any way, you could send me an image or something more consciso to my email, I do not understand the explanation, I do not see these options of the insertion on the client side.
I want to place my ad in the header of my theme, use its plugin and load it next to the page, that does not load later, that it be served the same. there are several complicated instructions, it would be better if you can guide me through images thanks friend for the answer =)
[email protected]
To enable Output buffering go to plugin settings tab ⚙ / tab General:

and save settings.
Then go to homepage and enable Show positions debugging function (Ad Inserter menu in top admin bar). If you see OUTPUT BUFFERING (and ABOVE HEADER) bar then output buffering works as expected and Above header position for Automatic insertion should be available:

If everything OK then simply configure block for automatic insertion Above Header.
If not post website address.
thank you very much, with your indications I got it, it was something hidden this, I would recommend that they leave it automatically, but I have a problem that I notice and I want to solve, the announcement if it appears above but with blank spaces (separated from the top and of my menu principla, is isolated, I want it to be adjusted to both in the whole site, is there any way or those spaces will remain?
archivoculto.com
I see responsive AdSense ad above header.
I suggest to center it.
You may need to wait for a while until Google crawls all the pages and starts serving ads there.
To remove yellow background color put this code into Header and enable it:
<style>
ins {
background: #fff;
}
</style>
Header tab:

friend, you are fantastic! really thank you very much, that yellow color was bothering me a lot. Thanks for your great help, I would like your tutorials to be that clear. That yellow color made my head hurt day and night =) thank you !. First time someone responds to me so fast and excellent, with images, accurate and very clear. you are the best. and its plugin is a wonder.
take your 5 stars
Have you seen me web, any other recommendations?
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This reply was modified 7 years, 8 months ago by
septimo.
Thank you!
Nothing much to add, keep on adding good content!