Richard

This is a lightweight plugin to add a dynamic sub-menu to a WordPress menu. It is known to work with <a href="https://wordpress.org/plugins/nav-menu-roles/" rel="ugc">Nav Menu Roles</a>. 
Caution is indicated if trying to use it with a theme, menu plugin, or anything that makes significant changes to how the WordPress menu is handled. It can insert a 
single sub-menu using any public taxonomy, such as catagories, tags, as well as woocommerce product categories or tags. A seperate sub-menu for bbPress forums is 
available.
<h3>Setup</h3>
The settings screen can be reached either via the settings link on the ‘Installed Plugins’ page, or via the ‘Dynamic Taxonomy’ option on the ‘Appearence’ menu.
The settings screen will enable you to control things like:
<ul>
<li>Which menu the sub-menu is added to, default is the primary menu.</li>
<li>Which taxonomy is displayed, default is categories.</li>
<li>The title used for the sub-menu, default is ‘Articles’.</li>
<li>The position in the menu, default is to appear as the second menu item.</li>
<li>The maximum number of items on the submenu, default is 7.</li>
<li>Listing order of the sub-menu items, available is Term Name, Post Count (default), and Term ID.</li>
<li>Which terms to exclude from the list, default is none, works for Category only (for now).</li>
<li>Whether to include an item count on the sub-menu, default is yes.</li>
<li>Items can also be limited by the count, ie: nothing with a count of less then N. Default is 0.</li>
</ul>
The plugin also allows you to show bbPress forums, although those options are limited to:
<ul>
<li>Which menu to add the forum list to.</li>
<li>What position in the menu to take, default is the third menu item.</li>
<li>What text to use as the menu option, default is ‘Forums’.</li>
</ul>
<h3>Development</h3>
If you have an issue or question, the author can contacted on the <a href="https://wordpress.org/support/plugin/dynamic-taxonomy-menu-items/" rel="ugc">WordPress support forum</a> or via <a href="https://github.com/RichardCoffee/dynamic-taxonomy-menu-items/issues" rel="nofollow ugc">opening an issue on GitHub</a>.
If you wish to contribute, development is done on <a href="https://github.com/RichardCoffee/dynamic-taxonomy-menu-items" rel="nofollow ugc">Github</a>.

Dynamic Taxonomy Menu Items

Add a dynamic taxonomy list to your WordPress menus.

Seerox

WP Dynamic Keywords Injector inserts the keyword from browser’s address bar, if not given in URL then the spintax will be placed and if both not found then the default keyword will be placed. Also this plugin will change the title tag and page title if they are given in browser’s address bar.
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/4DMTdlvIisY?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe>
This will allow users to insert dynamic keywords not only in page title, page content but also in meta title for the landing pages. Used to be promoted on adwards. 
This functionality has been implemented through shortcode given below is a sample shortcode.
[seerox_wpdki_dyn_keywords default="These are default keywords. Test1, Test2" spintax="{Text|to|Spin}"]
To put the default value please change the "default" attribute value of shortcode. 
To add spintax please change value of "spintax" attribute.
To inject keywords from URL, please use "dyn_keyword" query string parameter from browser’s address bar. e.g http://example.tld/sample-page/?dyn_keyword=your_desired_keywords
To inject page title from URL, please use "page_title" query string parameter. sample link is given below. 
http://example.tld/sample-page/?page_title=your_desired_page_title
To change meta title from URL, please use "title" query string parameter. sample link is given below. 
http://example.tld/sample-page/?title=your_desired_meta_title
Please Note: These all query string parameters can be used with combinations as well. The sample link is given below. 
http://example.tld/sample-page/?dyn_keyword=your_desired_keywords&page_title=your_desired_page_title&title=your_desired_meta_title
WPDKI providing you ability to define search keyword "search_keyword" in Page URL as parameter which you can then use in meta title, page/post title and content as "SEARCH_KEYWORD". An example is given below for your better understanding.
WPDKI brings a new feature, Whitelisting Keywords functionality for Title and Page Title. In this feature admin can control to show Replace Keywords in Title and Page Title. If this functionality is turned on Plugin will allow to display only Keywords which are whitelisted by admin. If this functionality is turned off then those keywords will show in Title and Page Title which you put in Page URL as parameter.If this functionality is turned on and no keyword is define in Whitelist Keyword box then Default Title and Page Title will Display.
http://example.tld/sample-page/?search_keyword=Search+Keyword 
This keyword can be use in title, page_title and in default value of dyn_keyword shortcode like. 
http://example.tld/sample-page/?title=Its+SEARCH_KEYWORD+title&page_title=SEARCH_KEYWORD+Heading&search_keyword=Search+Keyword
[seerox_wpdki_dyn_keywords default="This SEARCH_KEYWORD is Draft."]
<a href="https://tastewp.com/new?pre-installed-plugin-slug=wp-dynamic-keywords-injector&redirect=admin.php%3Fpage%3Dseerox_wpdki_settings&ni=true" rel="nofollow ugc">Click here</a> to play with it
<h4>PRO</h4>
WP Dynamic Keywords Injector plugin is also available in a professional version which includes more functionality, and more flexibility!
<ul>
<li>Unlimited Landing Pages</li>
<li>Unlimited Multiple Sub Keywords</li>
<li>Interface to Manage Keywords</li>
<li>Perfect Quality Scores</li>
<li>Dynamic Images</li>
<li>Dynamic Videos</li>
<li>Dynamic Spintax</li>
<li>Keyword Groups</li>
<li>HTML enabled Keyword Fields</li>
<li>IFrame Support</li>
<li>WP Shortcodes Support</li>
<li>Generate Dynamic Links</li>
<li>Download all possible Links</li>
<li>Import and Export Keywords</li>
<li>Relevant Posts Links list ShortCode</li>
<li>Relevant Random Post Link ShortCode</li>
</ul>
<a href="https://wpdki.com/" rel="nofollow ugc">Upgrade to Pro</a>

WP Dynamic Keywords Injector

Most people use RankMath SEO Nowadays for lightweight.

Please make this compatible.

Why still no support for RankMath SEO

WP Dynamic Keywords Injector inserts dynamic keywords, spintax, page title and title tag.

Dynamic Taxonomy Menu Items vs WP Dynamic Keywords Injector