Resource
https://rankmath.com/kb/blocked-due-to-other-4xx-issue/

Here's a link with a lot of explanation.

rankmath (dot) .com/kb/blocked-due-to-other-4xx-issue/

Don’t forget that pages such as About Me, Privacy Disclosure and such that are generally marked as “no follow”. I’m not sure that this is the case with you now but that would be about 4-5 pages accounted for.

You can check which pages are affected in Google Search Console.

Hope this helps!

Darlene

A 4XX Error is an error that often occurs when a webpage doesn’t exist or has restricted access or rights. These type of errors often occur from misspelling the URL. As a result, the page cannot be found or, the site or page could not be reached. If a page is not valid, the message cannot be exchanged between the web page and web server, and as a result, a 4XX Error is presented.

Alt text (alternative text) describes the appearance or function of an image on a page. Alt text is read aloud by screen readers used by visually impaired users, displays in place of an image if it fails to load and is indexed by search engine bots to better understand the content of your page. Also known as "alt attributes," “alt descriptions," or technically incorrectly as "alt tags,” alt text used within an HTML code or in the appropriate field in your CMS (Content Management System.) taken from MOZ

have you searched using the spy glass at the top
there is tons of resources there...

In your Facebook account updating your status is a way of making a post. You may want to change something in your profile. Or let others know of something i have done.

if you hae social media buttons on your site and have setup the social seo in hte psot then just click the relevant button to add it to your social media...
and it gives you one click on your social signals for your site....