# X_SEO_LINK_INVALID

## Means

a route meta link is unsafe or would fetch nothing

## Typical cause

a javascript:/data: href, a preload with no as, or a font preload with no crossorigin

## Fix

edit links in the route's defineRoute({ meta }): an http(s) or relative href, as on every preload, crossorigin on a font preload

[SEO](/error-codes#seo)