The venue decision is the first big one a couple makes and it locks everything else: date, guest count, budget, half the vendor list. That makes it a slow, high-anxiety purchase with an unusual dynamic: the searcher is planning an event they have never planned before, using vocabulary they are learning as they go. They search by aesthetic before they search by logistics. Barn, industrial, waterfront, garden, estate, rooftop. Getting the aesthetic language on the page in the couple's own words, rather than in venue-industry terms, is most of the organic battle.
Elimination happens on two hard numbers the couple will not compromise on: how many people fit, and roughly what a Saturday costs. A venue that hides both is not being mysterious, it is being skipped, because the couple has a spreadsheet and a venue with no figures cannot go on it. Directories understand this perfectly, which is why they occupy the top of most venue searches and charge accordingly for a listing that repeats what your own site declined to say.
Seasonality here is inverted from the event itself. Enquiries spike between the December holidays and February, when engagements cluster, for weddings eighteen months out. That means the campaign's busiest inbound stretch is the venue's quietest operating stretch, and a venue that lets its content go dormant over winter misses the exact window that fills the following year. Weekday and off-season inventory is the other perennial problem: it needs its own positioning (corporate, micro-wedding, elopement, anniversary), because it will never sell against a Saturday.