ThemeGrill

<p>Allows you to quickly create a maintenance/coming-soon page. You can use this plugin whenever your site is down for maintenance, currently going any upgrade or is in development. Built in options panel to add logo, background image, social icons, color, subscribe field and many more.</p>
<p>Get free support at http://themegrill.com/support-forum/</p>
<p>check the demo at http://themegrill.com/plugins/maintenance-page/</p>
<h3>Features And Options:</h3>
<ul>
<li>Responsive design looks great on your devices.</li>
<li>Logo Upload</li>
<li>Background image/color option</li>
<li>Subscriber Feature to collect emails</li>
<li>Download subscriber list as csv</li>
<li>Social icons</li>
<li>Font Color option</li>
<li>Add title, text message option</li>
<li>Option to exclude page</li>
<li>Custom CSS</li>
</ul>
<h3>Maintenance Page Pro:</h3>
<ul>
<li>Counter</li>
<li>Contact Form</li>
<li>MailChimp integration</li>
<li>Ip Whitelist</li>
<li>Background Slider</li>
<li>Background Video</li>
<li>Progress Bar</li>
<li>Google font option</li>
<li>Analytic Code Option</li>
<li>Role Based access</li>
<li>Font size option</li>
<li>About Page</li>
</ul>
<p><a href="http://themegrill.com/plugins/maintenance-page-pro/" rel="nofollow ugc">Upgrade to Maintenance Page Pro »</a></p>
<p><a href="http://demo.themegrill.com/maintenance-page-pro/" rel="nofollow ugc">View Maintenance Page Pro »</a></p>


Maintenance Page

Allows you to quickly create a maintenance/coming-soon page. Use this plugin whenever your site is down for maintenance or undergoing development.

PluginOps

<p><iframe loading="lazy" title="WordPress Landing Page Plugin" width="750" height="422" src="https://www.youtube.com/embed/oJ77SEIz6Ts?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe></p>
<p>Landing page Plugin lets you create beautiful and high converting landing pages in mere minutes without writing a single line of code. With our Landing Page templates your landing page will perform out of the box and increase your conversion rates instantly. Switch templates to test which template converts better, without any technical knowledge.</p>
<ul>
<li><a href="https://pluginops.com/page-builder/?ref=ulp" rel="nofollow ugc">Upgrade to the Advanced version</a></li>
</ul>
<p>Built in Beautiful MailChimp subscribe forms lets you increase your subscribers on the go without any technical assistance. Landing page plugin is complete plugin ready to work out of the box with just one click Install you will be creating landing page without writing a single line of code or technical assistance. Use the integrated SEO meta box to completely optimize your post title, meta keywords and meta description to increase your search engine rankings.<br />
Our specifically designed templates  Boost your sales and conversions instantly.</p>
<h3>Landing Page Templates :</h3>
<p>With our collection of landing page templates your landing pages will look as good as they perform. Designed to maximize your conversions. Our landing page templates offers complete flexibility and are easily customizable.</p>
<h3>Forms :</h3>
<p>With Landing Page plugin you can integrate any WordPress Form Plugin (including : Gravity Forms, Contact Form 7 , Ninja Forms and many more.). Or you can add custom form shortcodes + HTML forms.</p>
<h3>MailChimp Forms :</h3>
<p>Landing Page Plugin Integrate Beautiful  MailChimp Forms  for your marketing and maximize your conversions instantly. Capture leads on your landing page and send them directly to MailChimp.</p>
<h3>GetResponse Forms :</h3>
<p>Landing Page Plugin Integrate Beautiful  GetResponse Forms  for your marketing and maximize your conversions instantly. Capture leads on your landing page and send them directly to GetResponse.</p>
<h3>Email Autoresponder :</h3>
<p>With Landing Page plugin you can create and send Email Autoresponder right from your WordPress Dashboard. Create beautiful HTML emails and send them to your Landing Page Leads right at the moment when they subscribe.</p>
<h3>Coming Soon Pages :</h3>
<p>With Landing Page plugin you can create beautiful Coming soon pages easily and publish them immediately,  Or set a schedule for publishing. Landing page plugin also includes a coming soon counter.</p>
<h3>Sales Pages :</h3>
<p>Landing page Plugin have beautiful and effective sales page templates to improve your sales.</p>
<h3>Google Fonts :</h3>
<p>Landing page Plugin supports Google fonts for beautiful typography and to make your landing pages conversion rate better.</p>
<h3>Set Landing Page as Front Page/Home Page :</h3>
<p>Set Landing page as home page or front page to target all the traffic on your site.Capture your leads and sales from front page.</p>
<h3>Custom CSS/JS :</h3>
<p>If you are a developer or designer and want to tweak design or enhance usability, then there is no need to mess with Landing Page plugin files because Landing Page plugin offers Custom CSS/JS (JavaScript) feature and customize whatever you want.</p>
<h3>Landing Pages</h3>
<p>Create landing pages easily in minutes. Creating landing pages has never been this easy. With this plugin you will save a lot of time. No more copy/pasting the content and manually creating landing pages. Create beautiful Landing Page on your WordPress site, Visual Landing Page Editor to view changes being made on the fly!</p>
<h3>Landing Page Features :</h3>
<ul>
<li>Responsive template.</li>
<li>Shortcodes Supported in landing page.</li>
<li>Color customizations.</li>
<li>Custom CSS & JavaScript.</li>
<li>Custom SEO for landing pages.</li>
<li>Yoast SEO supported.</li>
<li>Pre Designed Templates.</li>
<li>Set Landing page as homepage/front page.</li>
<li>Add subscribe forms in your landing page. (Using <a href='https://wordpress.org/plugins/mailchimp-subscribe-sm' rel="ugc"> Subscribe Form Plugin</a> )</li>
<li>Add Contact forms in your landing page. (Using <a href='https://wordpress.org/plugins/contact-form-add/' rel="ugc"> Contact Form Builder</a> )</li>
<li>Empty Template for creating your own landing page templates.</li>
<li>Integrated 250+ Google fonts.</li>
</ul>
<h3>Landing Page Premium Features :</h3>
<ul>
<li>All landing page templates unlocked.</li>
<li>MailChimp subscribe form integration for Landing page.</li>
<li>GetResponse subscribe form integration.</li>
<li>Database subscribe form integration.</li>
<li>Auto-responder for your leads.</li>
<li>Export Database Subscribers in .CSV file.</li>
<li>Create Custom templates.</li>
<li>Create unlimited landing pages.</li>
<li>Set a landing page as homepage.</li>
<li>Supports Custom CSS.</li>
<li>ShortCode supported custom template.</li>
<li>Google Analytics Support.</li>
<li>Custom CSS & JavaScript.</li>
<li>Advanced Features for developers & Designers.</li>
</ul>
<p>Landing Page plugin gives you all the power to create & design your own landing pages. Use our pre built landing page templates or create your own, Creating Landing Pages was never easier. Now you can easily use your HTML templates for your landing pages, coming soon pages or simple page.<br />
Landing pages are an ideal way to convert more of your passive website visitors into active leads or email list subscribers.</p>
<p>Landing pages are the bread and butter of any successful marketing campaign. They are choc full of customized content that speaks to your website visitors. Your Landing Page content speaks to your website visitors because it delivers the exact, specific information that your visitor was expecting. Landing pages are aligned with your marketing messages 110%, and always have one clear objective in mind: making your website visitors take a specific course of action.</p>
<p>It really is that simple. Online advertising campaigns that use a landing page usually sees a conversion rate increase of at least 25%. And, with some A/B Split testing, this figure can be even higher.<br />
The main reason that landing pages convert so well is because you can design, build, and draft compelling copy that specifically matches your advertisement.</p>
<p><strong>If you compare a homepage vs. a landing page you can see why landing pages are so important to your marketing’s success.</strong></p>
<p>Your homepage is designed with a more general purpose in mind. It speaks to your overall brand and corporate values and is typically loaded with links and navigation to other areas of your site. It’s designed to encourage exploration.</p>
<blockquote>
<p>This plugin works great with the <a href='https://wordpress.org/plugins/mailchimp-subscribe-sm' rel="ugc"><br />
  Subscribe Form </a> makes adding subscribe forms to your website very easy. Search engine optimization of landing pages is really easy with this ‘tool’.</p>
</blockquote>
<p>Get your marketing campaign up and running with <a href="https://pluginops.com/page-builder/?ref=ulp" rel="nofollow ugc"> Ultimate Landing Page Pro </a><br />
<strong>What are benefits of landing pages ? </strong></p>
<p>A: The benefits of Landing Page are :</p>
<ul>
<li>Landing page leads to more qualified leads.</li>
<li>More qualified leads lead to more conversion opportunities.</li>
<li>More landing pages enhance the SEO of your website increasing the possibilities that your website will be found and visited.</li>
<li>You need more sales collateral (or free offers) to present to each type of visitor which creates on site variety enticing visitors to stay on your website longer.</li>
<li>Landing page leads are naturally segmented into different types of visitors so you can continue to tailor your ongoing messages to where they are in the buying process and thereby increasing your chances of creating a sale.</li>
</ul>
<p><strong>When Should I Use a Landing Page ?</strong></p>
<p>A: You should try to use a landing page for every inbound advertising campaign you operate. You might be selling multiple products or setting up promotional offers for different user segments and your homepage can’t deal with this level of message differentiation is you should use a landing page.</p>
<p><strong> Lead generation landing pages </strong></p>
<p>The most valuable piece of information you can get from a lead gen page is someone’s email address – which gives you permission to continue talking/marketing to them.</p>
<p>Once you have a lead’s permission, you then try to convert them into a customer by combining the two most powerful 1-to-1 communication tools a marketer has – email and landing pages.</p>
<p><strong> Click-through landing pages </strong></p>
<p>Click-through pages (sometimes called jump pages) are designed as a conduit between a marketing ad and it’s final destination. The goal of a click-through page is to “warm-up” the visitor to the product/service you are trying to sell.</p>
<p>Commonly used for e commerce, click-through pages provide enough information to inform the buyer, making them ready to purchase, before pushing them further down the funnel – probably to a shopping cart or checkout.</p>


Landing Page Builder – Free Landing Page Templates

Good for creating a quick and simple landing page with a ready made template. Page builders are more preferred if we can get templates with them also little hard to use.

Good for quick job

Only 1 template, primitive to use and only with mailchimp.
I just don't understand why all make implementations insted lat us place the code from emailer.

Terrible

Landing Page Builder lets you create Custom Pages using pre designed Free Landing Page templates with Ultimate Landing Page Builder.

Maintenance Page vs Landing Page Builder – Free Landing Page Templates