Seonix SEO – llms.txt, IndexNow & AI Search Visibility (GEO/AEO) vs Smush – Image Optimization, Compression, Lazy Load, WebP & CDN

Seonix SEO serves llms.txt and pings IndexNow from the moment you activate it — free, no account, no configuration. That covers the technical layer of generative engine optimization (GEO) and answer engine optimization (AEO): AI assistants like ChatGPT, Perplexity, and Gemini get a machine-readable index of your content to discover and cite, and IndexNow-participating search engines (Bing, Yandex, Seznam, Naver) learn about every publish or update within minutes. Connect a Seonix account and the plugin becomes a full growth agent: it brings your site audit into WordPress, receives AI-written articles, applies one-click technical fixes, and publishes on autopilot — for Google and AI search alike. Free — works right after activation, no account needed llms.txt for AI search — your site serves /llms.txt and /llms-full.txt, a machine-readable index of your published content that AI assistants use to discover and cite your pages. Generated live, always in sync with your content. IndexNow auto-submit — publishing or updating a post pings IndexNow, so participating search engines (Bing, Yandex, Seznam, Naver) re-crawl the changed URL within minutes. The verification key is provisioned automatically; toggle it any time from the plugin settings. Free with a Seonix account Site Health inside WordPress — your site’s SEO audit as a task list: overall score, SEO / technical / AI-search breakdowns, and every issue explained (what it means, why it matters, how to fix it). Checks cover broken links, duplicate content, missing meta descriptions, image alt issues, schema gaps, sitemap problems, and dozens more. Page audit in the editor — the current page’s issues from the last scan, in the block editor sidebar and the classic editor. Structured data (JSON-LD) on articles published through Seonix — and it stays silent when another SEO plugin already outputs schema. What requires a paid Seonix plan One-click SEO fixes — apply AI-suggested fixes for the most common technical issues directly from WordPress or the Seonix dashboard. Rollback any change if you don’t like the result. AI-written articles, SEO-tuned end-to-end — Seonix learns your site, audience, voice, and topics, then generates articles with optimized titles, meta descriptions, internal links, headings, and schema markup. Autonomous publishing on a schedule — pick a cadence (daily, every 3 days, weekly), and the AI agent plans, generates, and publishes for you. Pause anytime. Plays well with your stack Works alongside your existing SEO plugin — Seonix writes SEO titles and descriptions into your SEO plugin’s own storage (and syncs your edits back), so your current setup keeps working. No SEO plugin? Seonix renders the meta tags itself. WooCommerce-ready — product pages flow into the AI context for relevant internal linking. How the WordPress plugin fits in The Seonix WordPress plugin is the bridge between your site and the Seonix service. The plugin handles the WordPress side — serving llms.txt, pinging IndexNow, receiving published articles, syncing your site structure for internal linking, and applying SEO fixes — while the AI heavy-lifting runs on the Seonix platform. How it works: Install and activate this plugin. Open the Seonix menu in your WordPress admin and click “Connect to Seonix” — pick your project in the Seonix app and the connection completes in one click. Seonix analyzes your site and starts publishing, syncing, and applying fixes via the REST API. Prefer to connect manually? Copy the auto-generated API key from Seonix → Settings and paste it into your Seonix project’s WordPress channel. No WordPress passwords either way. External Service This plugin connects your WordPress site to the Seonix service (https://seonix.ai), a third-party SaaS platform that generates and publishes SEO-optimized articles to your site. Using Seonix requires a Seonix account. What the service does Seonix uses AI to generate articles based on your site’s topic, optimize them for SEO (titles, meta descriptions, internal links, schema), and publish them back to WordPress through this plugin’s REST API. It also consumes a lightweight snapshot of your existing pages, posts, and WooCommerce products so generated articles can include relevant internal links. How you connect There are two ways to link your site, and BOTH require an explicit action by you: One-click connect (recommended): from the Seonix Dashboard inside wp-admin, click “Connect to Seonix”. Your browser opens https://app.seonix.ai/connect, where you sign in (or sign up) and pick the project to link. Seonix then calls back to your site’s REST API to finish the handshake. Your site URL is passed in the link; a single one-time security code is passed in the URL fragment so it stays out of server logs. No WordPress password leaves your site. Manual connect: copy the API key from Seonix > Settings and paste it into the Seonix dashboard. Seonix calls back to your REST API using the key. When the plugin contacts Seonix The plugin does NOT contact any external server until you connect it to a Seonix project: Install and activate the plugin — no external request is made. Connect via either method above. Until a connection succeeds, no outbound calls leave your site (clicking “Connect to Seonix” only opens the Seonix site in your browser — that browser navigation is initiated by you, not a background request from the plugin). Seonix calls back to your WordPress REST API to complete the handshake. After that, the Seonix engine URL is stored on your site. From that point on, the plugin can push a one-time site snapshot and per-post events to that engine URL, and can pull your SEO task list back from it. Until step 3 succeeds, no outbound calls leave your site. What data is sent Site snapshot (manual “Sync Now” button or weekly cron): for each public page, post, and WooCommerce product — wp_id, content_type, title, slug, url, status, updated_at. Post content body is NOT sent. Per-post events on save/delete: same shape as above plus an action flag (created / updated / deleted). Connect handshake: when Seonix completes the connection it reads your site name and site URL and stores the plugin’s API key so it can call your site later. Outbound calls go only to the Seonix endpoint authorized during connection. What data is received SEO tasks: after Seonix scans your site (on connect and weekly), it sends your site’s audit results — a list of SEO/technical/AI-search issues with a title, description, recommendation, severity, and the affected URL — which the plugin stores locally and shows on the Seonix Dashboard. The plugin can also pull this same list on demand via the “Refresh tasks” button. No personal data is received; the tasks describe your own site’s content and configuration. Terms and Privacy By installing the plugin and connecting it to a Seonix project, you accept the Seonix Terms of Service and Privacy Policy: Service: https://seonix.ai Terms of Service: https://seonix.ai/terms-of-use Privacy Policy: https://seonix.ai/privacy-policy

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.