SEO audits software.
Self-hosted, lightweight and performant fully-featured SEO checker platform PHP script.
Over 40+ SEO tests
Lightning fast & recurring checks
Auditing history, Sitemap checks, Bulk audits
Audit types
Single URL, Bulk,
Sitemaps, Raw HTML audits
Highly versatile. SEO Audits for any type of resource you need.
Audit one URL at a time
Test multiple URLs in bulk
Go through all URLs within a Sitemap
Don't have your page live yet? Audit the raw HTML code

Advanced SEO analysis
40+ SEO tests
Automatically performs over 40 modern SEO checks in seconds and gives you actionable tips.
HTML Document setup verification
On page SEO checks
Content quality & markup tests
Media & image optimization
Technical & performance factors
Checks for all links within a page
What's New in Version 16.0.0
Released
Update 16.0.0 - 25 February, 2026
Implemented new audit check for critical page size exceeding.
Implemented search & filters support for all API endpoints data retrieval endpoints.
Implemented the new Unsubscribe function for Newsletter (broadcast) emails that offers a 1 click unsubscribe option for your users.
Implemented the ability to enable/disable the Broadcasts system completely.
Implemented the new payment proof secure viewing page on the offline payment gateway. No more direct links to the uploaded resources will be used for viewing payment proofs.
Implemented the new Favicon Getter reverse proxy. Favicon links will now be automatically retrieved from Duckduckgo, stored, cached and returned in a more performant and private way.
Notification Handlers - email handlers will now be required to confirm their emails when added to prevent abuse of adding unwanted emails.
Implemented IOS widget via Scriptable app (available for AltumCode Club subscribers).
Improved security in regard to passwords - to prevent long password attacks.
Improved security in regards to SVG images uploads.
Improved security in regards to Session Fixation potential attacks.
Consistency improvement: All altumcode products now use the same style of menu, footer & border roundness.
Better memory usage by improving certain used functions across the product.
Cookie consent dependency upgraded to the latest version 3.1.
All php dependencies available were upgraded to their latest releases.
Performance improvements on the client-side javascript (less unnecesssary queries and event handlers).
Highly improved language cache generation based on available / enabled features (many non-used strings will now be removed in caching if not used).
Highly improved performance on statistics cleanup cron jobs.
Improved Stripe payment gateway: You can now enable automatic tax handling via Stripe.
Small improvements over the look on the API documentation pages.
Fixed display issue with the Country map usage across the product where stats are displayed.
Fixed rare issue with Razorpay due to usage of decimals.
Fixed issue duplicated modals being inserted in certain pages causing a potential slow down.
Fixed issue with missing email verification page.
Fixed issue with social icons not displaying properly in certain browsers.
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