6 items
SEO Checker finds SEO, speed & security problems before your website visitors do SEO Checker is an easy to use browser extension designed to help you optimize your website's SEO, page speed, and security. It efficiently scans thousands of pages on your site, pinpointing issues and providing clear guidance on how to fix them. Here's what SEO Checker checks for you: - Page Titles & Meta Descriptions: It scans your site's page titles and meta descriptions to identify those that are too long, too short, missing, or duplicated, helping you optimize these critical elements. - Page Headings: It checks if each page has a unique and properly optimized H1 heading. - URLs: It ensures your website's URLs follow best practices, making them easy to read and SEO-friendly. - Content Analysis: It looks for duplicate or thin content, checks if images have proper meta tags, and assesses how well your content works on mobile devices. - Broken Links: It identifies broken links (404 errors) and server issues that could harm your site's user experience. - Redirect Audit: It finds and reviews temporary and permanent redirects, and detects redirect chains and loops that can affect your site's performance. - Robots.txt Review: It verifies if a Robots.txt file is present and whether it properly specifies sitemap locations. - Code Validation: It checks the validity of your HTML, CSS, and JavaScript, ensuring clean and efficient code. - Page Size: It evaluates if compression and minification techniques are being used to optimize page loading speed. - Resource Analysis: It examines resource files like CSS and JavaScript for best practices. - Caching: It checks if caching is set up correctly to enhance site speed and performance. - Encryption: It ensures all pages, resources, and links use HTTPS & HSTS for secure connections. - Security Checks: It scans for common security issues, including content sniffing prevention, iframe restrictions, XSS, and clickjacking protection. - LLM Analysis: It checks if your site is optimized for AI crawlers - checks llms.txt, crawler access, structured data, and link formatting in one pass. Information on updates to the extension can be found at https://seochecker.io/news
Jun 15, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.