ExpressPay Payment Module vs Smush – Image Optimization, Compression, Lazy Load, WebP & CDN

Express Pay Payment Module is a WordPress plugin that integrates your website with Express Pay service, allowing you to accept payments through ERIP, bank cards, and E-POS methods. The plugin adds a payment form to your site using a shortcode and provides payment method settings and invoice management through the WordPress admin panel in the Express Payments menu. Features Add multiple payment methods in admin panel (ERIP, card, E-POS types) Display payment form on site using shortcode with customizable amount and payment description Generate invoice parameters and signatures (HMAC-SHA1) for Express Pay API v1 Test mode support using sandbox environment and test credentials Incoming notification signature verification Allow customers to modify name, address, and amount during payment (optional) Send notifications to customers via email/SMS (optional) Display QR code for ERIP/E-POS payments Invoice list and payment status management in admin panel Support for multiple payment methods on one site Database Tables The plugin creates and uses the following WordPress database tables: * {$wpdb->prefix}expresspay_options — payment methods and their parameters * {$wpdb->prefix}expresspay_invoices — created invoices and their statuses Notification Endpoint For receiving payment notifications, the plugin uses WordPress AJAX endpoint: /wp-admin/admin-ajax.php?action=receive_notification&type_id= Configuration Go to WordPress admin panel → Express Payments → Settings Add a new payment method by clicking “Add Payment Method” Configure the following parameters: General Settings Name — Display name of payment method (e.g., “ExpressPay (ERIP)”) Type — Payment method type: erip, card, or epos Token — API access token from Express Pay service Service ID — Service number in Express Pay system Secret Word — Secret key for signing payment requests Secret Word for Notification — Secret key for verifying incoming notifications API URLs API URL — Production API base URL (e.g., https://api.express-pay.by/v1/) Sandbox URL — Sandbox API base URL (e.g., https://sandbox-api.express-pay.by/v1/) Test Mode — Enable/disable sandbox mode for testing Payment Options ERIP Path — Path in ERIP tree shown to users Show QR Code — Display QR code for ERIP/E-POS payments Use Signature for Notification — Verify incoming notification signatures Can Change Name — Allow customers to modify name during payment Can Change Address — Allow customers to modify address during payment Can Change Amount — Allow customers to modify amount during payment Send Email — Send payment notifications via email Send SMS — Send payment notifications via SMS E-POS Settings Service Provider Code — E-POS provider code Service E-POS Code — E-POS service code Usage Adding Payment Form to Page Create or edit a page and add the payment form shortcode: [expresspay_payment amount=25.5 edit_amount=true info="Payment description"] Shortcode Parameters amount — Payment amount (e.g., 25.5) edit_amount — Allow customer to change amount (e.g., true or false) info — Payment description/purpose method_id — Specific payment method ID (optional, shows all if not specified) Payment Flow Customer visits page with payment form Customer selects payment method and enters details Customer submits payment Plugin generates invoice parameters and signature Customer is redirected to Express Pay service for payment After successful payment, customer is returned to the page Plugin verifies payment signature and marks invoice as paid Express Pay server sends additional notification webhook Testing in Sandbox Mode Enable Test Mode in payment method settings Verify that Sandbox URL is being used Complete test payment through Express Pay sandbox environment Requirements WordPress 4.0 or higher PHP 5.6 or higher Outgoing HTTPS access to Express Pay API: Production: https://api.express-pay.by/v1/ Sandbox: https://sandbox-api.express-pay.by/v1/ Public URL accessibility for receiving webhooks (if site is behind firewall or requires authentication, webhooks will not be delivered) Support For installation and configuration instructions, visit: Express Pay CMS Extensions Watch video tutorials on our YouTube channel: Express Pay YouTube License This plugin code and documentation is proprietary and provided by Express Pay service. All rights reserved. Please refer to LICENSE file in plugin directory for details. Third-Party Services This plugin connects to Express Pay service for payment processing: * Service URL: https://express-pay.by/ * API Documentation: https://express-pay.by/docs/api/v1 * Privacy Policy: https://express-pay.by/docs By using this plugin, you agree to Express Pay Terms of Service.

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.