PubSpace serves the bytes you publish. Scripts run, charts draw, buttons and filters work. Nothing is sanitized, rewritten, minified or boxed into a sandbox, so the link you send a client or your CEO opens the page you saw on your own screen.
Hosts that sanitize HTML remove scripts and inline handlers, so charts and buttons stop working. Hosts that wrap a page in a sandboxed iframe can block saved settings, downloads, popups or forms. PubSpace does neither. It doesn't rewrite links, move or inline your CSS, or reformat your markup either.
The test file checks itself: inline scripts, onclick handlers, the page's own document listeners, localStorage and sessionStorage, canvas charts, inline SVG, CSS grid and animation, form handlers, non-English text and emoji, web components and dialogs, generated downloads, script order, and ES modules. Open it on your computer, then publish it and open the link. Every check should pass in both places, and the result line shows when PubSpace served it.
Or ask your agent: Publish https://pubspace.ai/samples/fidelity-test.html to PubSpace and send me the link.
Any change to how PubSpace stores or serves pages is checked by comparing the served page with the stored one, byte for byte, in a real browser. The only differences allowed are the ones listed above.