Quick Answer
Direct answer: A URL-format check can catch malformed structure, missing HTTPS when expected, suspicious parameters, and common copy/paste defects without contacting the RSVP service.
How this tool works
The checker parses the URL with the browser URL parser, inspects the scheme and hostname, looks for illegal whitespace or incomplete percent-encoding, and compares recognizable guest/RSVP identifier parameters with your expectation. It does not fetch the URL, log in, submit an RSVP, or contact a private system.
Methodology and assumptions
| Input or constant | Exact rule used |
|---|---|
| URL parser | Browser URL constructor must accept the entered value. |
| HTTPS expectation | Passes when the actual scheme is HTTPS and HTTPS was selected; otherwise it is flagged. |
| Guest identifier keys | Checks guest, guest_id, guestid, id, rsvp, rsvp_id, token, or code. |
| Suspicious placeholders | Flags parameter names/values containing undefined, null, or NaN. |
| Network access | None. The tool never opens the entered URL. |
Worked examples
Valid-looking URL
For https://example.com/rsvp?guest=482 the hostname, HTTPS scheme, and recognizable guest parameter all pass the structural checks.
Missing parameter
For https://example.com/rsvp with guest identifier expected, the checker flags the missing common identifier parameter rather than pretending the private RSVP system is broken.
Malformed URL
For https://example com/rsvp the URL parser rejects the malformed hostname so the couple can fix it before printing or sending.
Common mistakes
- Copying editor or preview URLs instead of published guest URLs.
- Expecting a structural check to prove the remote RSVP service is online.
- Losing a guest token when the URL is shortened or manually retyped.
- Putting spaces or quotation marks into the URL.
- Changing a parameter after the invitation artwork has already been exported.
Frequently asked questions
Why is my wedding RSVP link not working?
A broken-looking link can come from malformed punctuation, spaces, a copied preview URL, or a missing guest token. This tool checks structure only; it does not call the private RSVP system.
Should a wedding RSVP link use HTTPS?
For a public RSVP page, HTTPS is the normal expectation. The checker can compare the URL against the HTTPS choice you select.
What is a guest identifier?
It is a parameter such as guest_id, token, or another invitation-specific value that lets a site recognize a guest or invitation.
Can this checker test whether the RSVP page is online?
No. It intentionally performs browser-side format validation without contacting the external site.
Why does a preview URL look different from the final RSVP link?
Website builders often expose preview/editor addresses that are not meant for guests. Publish first and copy the final public URL.