neilgee

This plugin will display the name of the WordPress Template in use for the current page at the bottom of the page. It will only show in the front end when you are logged in. Just deactivate the plugin when you find which template you need to adjust.
<h3>Usage</h3>
Just activate the plugin and when logged in as an Admin look at the front end view of a WordPress theme, look at the bottom of the page to see which WordPress template the current theme is using.

Which Template Am I

Works like a charm, thanks for the plugin.

Great plugin

This plugin will display the name of the WordPress Template in use for the current page at in the footer. It only shows for logged in administrators.

JS Morisset

The Most Comprehensive Schema BreadcrumbsList Markup of Any Plugin.
Adds Schema BreadcrumbList markup for posts, pages, custom post types, categories, tags, custom taxonomies, search results, and date archive pages.
Select between using ancestors (aka parents), the primary category, or all categories for posts, pages, and custom post types.
No Templates to Modify:
Simply activate or deactivate the plugin to enable / disable the addition of Schema BreadcrumbList markup.

<h3>WPSSO Core Required</h3>
WPSSO Schema Breadcrumbs Markup is an add-on for the <a href="https://wordpress.org/plugins/wpsso/" rel="ugc">WPSSO Core plugin</a>, which creates extensive and complete structured data to present your content at its best for social sites and search results – no matter how URLs are shared, reshared, messaged, posted, embedded, or crawled.

WPSSO Schema Breadcrumbs Markup

Schema BreadcrumbList markup in JSON-LD format for Google Rich Results.

Which Template Am I vs WPSSO Schema Breadcrumbs Markup