Command surface

Human controls and agent-readable routes are exposed as ordinary files, links, forms, and manifests. Experimental interfaces remain feature-detected and read-only unless the browser supplies a supported API.

Open packet observatory Open ecosystem atlas Open schema lab Inspect agent surface Read llms.txt Read AI agent manifest Run native capability lab Open share kit Open docs corpus

Native web capability lab

Feature-detected, never assumed.

Mememtech demonstrates the web of tomorrow through native platform capabilities while keeping the document useful as ordinary HTML. Every advanced behavior is optional, reversible, and backed by a text or file fallback.

Browser capability probe

The probe runs locally in the browser. It does not send results anywhere and does not gate core content.

Enhancement and fallback matrix

The matrix is the source-grounded contract: advanced native APIs may improve the experience, but no essential claim or route depends on them.

FeatureSurfaceEnhancementFallback
Semantic HTML landmarks HTML One visible main, header, nav, sections, articles, footer. The document remains readable as plain HTML.
Native dialog HTML Command surface can open as a modal dialog. Core links remain visible elsewhere.
Popover API HTML/CSS Lane notes can render as top-layer popovers. The same lane information remains in cards and pages.
CSS container queries CSS Cards adapt to their own containers. Responsive grids collapse through ordinary media queries.
CSS anchor positioning CSS Ready for anchored native overlays where supported. No layout-critical dependency on anchor positioning.
Cross-document View Transitions CSS Same-origin route changes may animate natively. Pages navigate as ordinary links.
Details and summary HTML Fallback accordions expose memory details without JavaScript. Disclosure content is in the DOM and readable.
OffscreenCanvas worker JavaScript Decorative packet field can run off the main thread. Main-thread canvas or static text event log.
Web Audio JavaScript Optional one-shot signal tone after user activation. No audio is required.
Clipboard API JavaScript Copy digests, schemas, and receiver briefs. Text remains selectable.
Markdown content negotiation PHP/HTTP Accept: text/markdown returns Markdown mirrors. Browsers receive HTML by default.
Experimental WebMCP-style registration JavaScript Read-only tools may register if browser exposes navigator.modelContext. Static manifests are the complete surface.

Performance posture

The benchmark is architectural restraint.

There is no bundler, framework runtime, external font, CDN script, analytics payload, Composer package, npm install, database, or hydration dependency. The server emits semantic HTML, static files, and small progressive enhancements.

The result is not a claim of universal superiority. It is a public demonstration that advanced interaction can remain fast, inspectable, and deployable on plain PHP hosting.