It must be the fault of the configuration of that plugin.
Please go to the Yoast SEO settings and find the functionalities which are related to the title and displaying it, the theme itself does not have anything in common with displaying this title, until the yoast seo is turned on
I went to the Yoast SEO settings and found the features related to the title and the display. I deleted all the information I had previously and left it with nothing, because on each page, I already put the SEO title, correct?
How long do I wait for Google's robots to crawl my site and verify the title?
Another doubt, when the pages of my website appear like this (look at the print), the titles were not meant to be just for the page, for example, "Who are we" or instead of "Who are we - Idpubli"?
Sorry but we do not know why your search results are not the way you plan them to be. If you are using YostSEO then all the configuration is done there. We support this plugin and it works fine but we cannot be held responsible for you website SEO configuration.
As Can I see, your website is working and all of the titles are provided successfully.
Your "Idpubli" is duplicated because it's set on a certain pages as a title "http://prntscr.com/r3gvek" and in the yoast seo settings you provided to set on the end of all of the pages the "idpubli - marketing design" to display.
You would have to reconfigure it by removing it on certain page (while editing it, yoast seo options) or removing it on global on yoast seo settings plugin.
As Bryan said, the problem is related to your configuration at all.
Comments
Hello, the SEO theme is disabled since I created the site
practically.
I went to the Yoast SEO settings and found the features
related to the title and the display. I deleted all the information I had previously
and left it with nothing, because on each page, I already put the SEO title,
correct?
How long do I wait for Google's robots to crawl my site and
verify the title?
Another doubt, when the pages of my website appear like this
(look at the print), the titles were not meant to be just for the page, for
example, "Who are we" or instead of "Who are we - Idpubli"?
Hello, the error still continues ... it's been 15 days
How do you say the theme supports this plugin and works
well, if my website is not working?