MailerPress – vs Smush – Image Optimization, Compression, Lazy Load, WebP & CDN

MailerPress is a free email marketing and newsletter plugin for WordPress. Build professional email campaigns with a drag-and-drop editor, manage unlimited subscribers and lists, schedule newsletters, and send automated emails — all from your WordPress dashboard. Whether you’re a blogger sending a weekly newsletter, an online store owner looking to customize WooCommerce emails (paid plan required), or a marketer running large-scale email campaigns, MailerPress gives you everything you need — with no subscriber limits and no sending restrictions. Drag-and-Drop Email Editor Create beautiful email newsletters without writing a single line of code. The MailerPress email editor is inspired by the WordPress Block Editor (Gutenberg), so it feels instantly familiar: Drag-and-drop blocks to build your email layout Pre-built email templates to get started in seconds Save and reuse your own custom layouts Full theme.json support for consistent branding with Full Site Editing Google Fonts integration with local hosting for fast loading MJML template import for advanced email designs Responsive emails that look great on every device Subscriber Management & List Building Grow your email list with powerful subscriber management tools, completely free: Unlimited subscribers, lists, and tags — no restrictions Customizable opt-in forms with shortcode — works with any page builder (Elementor, Bricks, Divi, and more) Gutenberg opt-in form block for the Block Editor Embeddable opt-in forms for external websites Double opt-in with customizable confirmation emails CSV import and export for easy subscriber migration Advanced subscriber segmentation GDPR-compliant subscription management with built-in unsubscribe Email Campaigns & Newsletter Scheduling Send newsletters and email campaigns on your schedule: Create and send email campaigns to your subscriber lists Schedule newsletters for future delivery Merge tags for personalized email content (subscriber name, custom fields, and more) Content retrieval from posts and pages Flexible click and open tracking (track, anonymize, or disable) Detailed campaign analytics and performance reports Email Automation Automate your email marketing to save time and boost engagement: Automated post notification emails when you publish new content Scheduled email campaigns with precise timing Automated double opt-in confirmation follow-ups (paid plan required) Advanced automation workflows with triggers and conditions (paid plan required) Supported WordPress Plugin Integrations Connect MailerPress with popular form, page builder, e-commerce, membership, and automation plugins: Explore all available integrations: https://mailerpress.com/integrations/ Contact Form 7 (free) — map form fields, lists, tags, custom fields, and double opt-in settings to add subscribers Gravity Forms (paid plan required) — add form submissions to MailerPress lists with field mapping Fluent Forms (paid plan required) — capture form submissions and synchronize subscriber data Elementor (paid plan required) — use the MailerPress widget and Elementor Pro form action Bricks Builder (paid plan required) — build opt-in forms with the native MailerPress element Divi Builder (paid plan required) — connect the Divi Email Optin module to MailerPress WooCommerce (paid plan required) — capture checkout opt-ins, manage subscriber preferences, and customize transactional emails Paid Memberships Pro (paid plan required) — collect newsletter opt-ins at checkout and display subscription preferences in member accounts Advanced Custom Fields / ACF (paid plan required) — use ACF content in Query blocks and campaign content WordPress users (paid plan required) — synchronize WordPress user accounts with MailerPress contacts Third-party automation integrations are also available for Bit Flows, FlowMattic, OttoKit, and SureForms. These integrations are maintained by their respective plugin authors, and feature availability may depend on their plans. WooCommerce Email Marketing (paid plan required) Turn your WooCommerce store into an email marketing machine: Design custom WooCommerce transactional emails with the drag-and-drop editor Override default WooCommerce order confirmation, shipping, and account emails Send promotional email campaigns to your customers Retrieve WooCommerce product content directly in your newsletters Segment subscribers based on purchase behavior Incoming & Outgoing Webhooks (paid plan required) Connect MailerPress to any external system: Incoming webhooks to add subscribers from external platforms Outgoing webhooks to send real-time events to third-party services Build custom integrations with your existing tools Email Sending Options Send emails using your preferred method: PHP Mail (default — works out of the box) Custom SMTP configuration Brevo / Sendinblue integration (paid plan required) SendGrid integration (paid plan required) Gmail / Google Workspace integration (paid plan required) Mailgun integration (paid plan required) Mailjet integration (paid plan required) Postmark integration (paid plan required) Amazon SES integration (paid plan required) Emailit integration (paid plan required) SMTP2GO integration (paid plan required) Resend integration (paid plan required) Bounce management via email provider APIs (paid plan required) All Free Features Drag-and-drop email editor inspired by WordPress Block Editor Unlimited subscribers, lists, tags, and campaigns Email newsletter creation and scheduling Customizable opt-in forms (shortcode + Gutenberg block) Double opt-in with confirmation emails CSV import/export for subscriber migration Subscriber segmentation Contact Form 7 integration Email campaign analytics Post and page content retrieval for newsletters Click and open tracking (with anonymous option) Merge tags for email personalization MJML template import Google Fonts with local hosting GDPR-compliant with built-in unsubscribe Self-hosted — your data stays on your server Full theme.json and FSE support Hundreds of developer hooks and filters REST API for custom integrations Paid Plan Features Upgrade to MailerPress for advanced email marketing capabilities: WooCommerce email customization — design and override transactional emails (order confirmation, shipping, account emails) with the drag-and-drop editor Professional email delivery — Brevo, SendGrid, Gmail / Google Workspace, Mailgun, Mailjet, Postmark, Amazon SES, Emailit, SMTP2GO, Resend AI-powered email content — OpenAI, Claude by Anthropic, DeepSeek, Mistral, and Google Gemini for content optimization and image generation Advanced form integrations — Gravity Forms and Fluent Forms Page builder integrations — Elementor, Bricks Builder, and Divi Builder E-commerce and membership integrations — WooCommerce and Paid Memberships Pro WordPress user synchronization — keep WordPress user accounts connected with MailerPress contacts Advanced Custom Fields integration — use ACF content in Query blocks and campaigns Incoming and outgoing webhooks — connect MailerPress to external apps and automation platforms Advanced automation workflows — triggers, conditions, and behavioral targeting Custom fields and advanced segments — target subscribers based on behavior and data Premium email templates — professional designs ready to use Embed opt-in forms on external websites — grow your list beyond WordPress Bounce management — automatic handling via email provider APIs Automated double opt-in follow-ups — re-engage pending subscribers White-label options — customize MailerPress branding Priority support — dedicated customer assistance Developer-Friendly MailerPress is built for developers who need full control: Hundreds of hooks and filters — customize every aspect of the plugin REST API — build custom integrations and applications MJML support — use MJML templates for advanced email design workflows React-based architecture — modern, extensible, and performant Privacy & GDPR MailerPress is fully GDPR-compliant and privacy-first. No data is collected by us — everything stays on your server. Built-in unsubscribe links, double opt-in, and data export tools help you stay compliant. When using third-party email providers, please review their respective privacy policies. Translations MailerPress is available in English, French, Spanish, Dutch, and Arabic. Help translate MailerPress into your language. From the same team Try SEOPress, the best SEO plugin for WordPress

Compress images, optimize images, and enable image lazy load automatically with the powerful Smush image optimizer to keep your WordPress site fast, without losing quality. Smush makes it easy to optimize images, compress images, and deliver images faster across your entire WordPress site. This all-in-one image optimizer automatically reduces image file sizes, enables image lazy load, and serves modern formats like WebP and AVIF, all without breaking image quality or adding extra work. Whether you’re running a blog, store, or portfolio, Smush helps you optimize images at scale and keep your site fast with a trusted WordPress image optimizer. Trusted by 1+ Million Sites | 4.8/5 Star Rating Get everything you need to optimize images and speed up your site. Smush works out of the box with no complicated setup – just install and let it handle the rest. Compress images without losing quality Reduce image file size automatically while keeping your images sharp and clear. Smush is an easy-to-use image optimizer which let’s you compress images using both lossless and lossy compression, giving you the best balance of quality and performance without extra work. You can also compress images outside the media library using Directory Smush, making it easy to optimize images stored in theme folders, plugins, or other directories on your server. Lazy load images for faster pages Enable image lazy load across your site so images load only when needed. This image optimizer improves initial page speed and creates a smoother experience for visitors without extra configuration. Serve WebP and AVIF images automatically (PRO) Convert images to WebP and AVIF and serve them automatically to supported browsers. Smush helps you optimize images using next-gen formats to reduce file size and improve load times across your WordPress site. Deliver images faster with an Image CDN (PRO) Serve images through a global image CDN to reduce latency and improve load times for visitors around the world. 119 global CDN servers Up to 500 GB of bandwidth Faster image delivery based on visitor location Improved performance for image-heavy and high-traffic sites Automatically resize and fix image dimensions (PRO) Eliminate common PageSpeed warnings and improve layout stability with automatic image sizing. Smush dynamically resizes images to perfectly fit their containers, regardless of original size, helping fix the “Properly size images” warning in Google PageSpeed Insights. It also automatically adds missing width and height attributes to your images, improving rendering speed and reducing layout shifts. This helps you meet the “Ensure images have explicit width and height” recommendation without any manual work. Optimize your entire site, automatically Smush works across your whole site as a powerful image optimizer to optimize images as you upload them and maintain performance over time without manual work. Optimize images automatically on upload Compress images in bulk or individually Works with your existing media library No need to re-upload images Enable image lazy load across your site Convert images to WebP and AVIF Deliver images with an integrated image CDN Automatically resize and serve correctly sized images Optimize images outside the media library with Directory Smush Built for performance Smush improves page speed and overall performance by reducing image weight and improving how images are delivered. Reduce page load times Improve user experience Better performance for image-heavy pages Supports image lazy load and preload images (PRO) for faster perceived performance Works with your existing setup Smush is built to work with your current WordPress setup, including popular themes, page builders, and plugins. Compatible with Gutenberg, Elementor, WPBakery, and more Works with WooCommerce stores No need to change your workflow Easy to enable and configure Designed to be simple You don’t need to be a performance expert to optimize images with Smush image optimizer. Works out of the box Simple settings when you need them No technical knowledge required Safe to use on any site Why choose Smush? There are plenty of image optimization plugins, but Smush focuses on making it easy to optimize images, compress images, and improve performance without complexity. As a leading WordPress image optimizer, Smush gives you powerful optimization tools without the technical hassle. Trusted by over 1 million WordPress users Built specifically for WordPress Regular updates and improvements Backed by the WPMU DEV team Get started in minutes Install Smush, activate it, and start to compress images, optimize images, and enable image lazy load right away. This easy-to-use image optimizer helps most sites see improvements immediately without changing how they upload or manage images. About Us WPMU DEV is a premium supplier of quality WordPress plugins, services and support. Learn more here: https://wpmudev.com/ Don’t forget to stay up to date on everything WordPress from the Internet’s number one resource: WPMU DEV Blog Hey, one more thing… we hope you enjoy our free offerings as much as we’ve loved making them for you! Contact and Credits Originally written by Alex Dunae at Dialect (dialect.ca, e-mail ‘alex’ at ‘dialect dot ca’), 2008-11.