Alobaidi

<h3>Extend Link – Link Options for Editor</h3>
The Extend Link plugin Allows you to add classes, IDs, titles, rel attributes, and file download options to links directly from the “Extend Link” dialog in the Classic Editor and Classic Block in Gutenberg. It also provides H1–H6 support, so you can, for example, add an ID or classes to a heading. A lightweight, professional plugin, free and always will remain free!
<h3>Key Features</h3>
Enhanced Link Attributes: 
* Add custom CSS classes to links. 
* Assign unique IDs for precise targeting. 
* Add title attributes (tooltips on hover). 
* Set rel attributes: nofollow, noreferrer, noopener. 
* Open links in new tabs (target=”_blank”). 
* Enable file download instead of opening. 
* Check link status in real-time.
Heading Support (H1-H6): 
* Add IDs and classes directly to headings. 
* Insert fully-attributed links inside headings. 
* Edit existing heading attributes. 
* Perfect for creating anchor links.
Link Status Checker: 
* Verify if links are working or broken. 
* See HTTP status codes (200, 404, etc.). 
* Improve SEO by fixing dead links. 
* Built-in tool – no external service needed.
User Experience: 
* Seamless Classic Editor integration. 
* Compatible with Gutenberg Classic Block. 
* Intuitive dialog with helpful tooltips. 
* Visual feedback for all actions.
Professional & Lightweight: 
* All-in-one solution. 
* No external dependencies. 
* Optimized performance. 
* Security-focused with nonce verification. 
* Follows WordPress coding standards. 
* Free forever – no premium version.
<h3>How to Use</h3>
Adding a Link: 
1. Open the Classic Editor or add a Classic Block in Gutenberg. 
2. Select text or link. 
3. Click the “Extend Link” button in the toolbar. 
4. Configure your link options and save.
Checking Link Status: 
1. Open the Extend Link dialog. 
2. Enter or edit a URL. 
3. Click the “Check” button. 
4. See instant status feedback.
Adding ID/Class to Headings: 
1. Select a heading (H1-H6). 
2. Click “Extend Link” button. 
3. Add ID and/or classes (leave URL empty). 
4. Click “Save”.
<h3>Plugin Reference</h3>
Everything related to the plugin can be found on <a href="https://wp-time.com/how-to-add-link-attributes-in-wordpress/" rel="nofollow ugc">this page</a>.
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Extend Link

Add classes, IDs, titles, rel attributes, and download options to links. Includes H1–H6 heading support and built-in link status checker for SEO.

reikiman

This plugin controls several useful attributes of external links.
<ul>
<li>Add affiliate ID tags to links to sites where this makes sense</li>
<li>Create buttons to add products directly to Amazon’s shopping cart</li>
<li>Control, based on the domain of the outbound link, whether or not to add <code>rel=nofollow</code>.</li>
<li>Control whether to open outbound links in new windows (<code>target=_blank</code>)</li>
<li>Control whether to add visual cues for outbound links, including the favicon for the target site, and/or a generic external link icon</li>
</ul>
Unlike other <code>nofollow</code> plugins which force every outbound link to be nofollow’d (or not), this plugin lets you select which domains get what treatment. It includes two lists of domains, a white list and a black list. Domains on the blacklist are always nofollow’d, while those on the whitelist never are.
It’s useful to your visitors to let them know which links will take them off your site. This plugin will show icons either before or after the link. One icon is the favicon for the target site, and the other is a generic external link icon.
Sometimes you want to quickly and easily make an affiliate link, requiring a correctly formatted link according to affiliate network specifications. Services like VigLink or Skimlinks can simplify the hassle of remembering the correct formatting of each affiliate network, by using JavaScript to convert natural links into affiliated links. While convenient, these networks take a percentage of your affiliate commissions.
This plugin lets you make a simple natural link to the destination, and the plugin rewrites it with the correct affiliate ID codes. For certain affiliate networks. You don’t have to remember the correct formatting for the affiliate network, you simply make the link and the plugin automatically rewrites it for you (using the <a href="https://github.com/robogeek/affiliate-link-processor" rel="nofollow ugc">AffiliateLinkProcessor</a> library). It also interacts well if you’re using VigLink or Skimlinks, because those services can continue handling whatever links this plugin does not touch. Supported networks are:
<ul>
<li>Amazon.com (and all known international Amazon sites)</li>
<li>Sites on the Linkshare/Rakuten network</li>
<li>Zazzle.com</li>
</ul>
In addition to rewriting links to Amazon websites, a shortcode is provided which generates a button which adds a given product directly to an Amazon shopping cart. Many claim doing so has a beneficial effect on the cookie Amazon places into the browser.

External & Affiliate Links Processor

Process outbound (external) links to make useful changes, including adding affiliate ID tags, rel=nofollow or target=_blank attributes, and adding ico …

Extend Link vs External & Affiliate Links Processor