Skip to content
Blog

Post-Event Survey: The Questions to Ask and When to Send It

6 min read
Empty white podium stands in an auditorium with rows of brown chairs, ready for a speaker.
Keep it to about eight questions and send it to everyone who registered, including the no-shows. Photo by Nacho Gomez

The event is over, and now you need to know whether it worked: what to repeat, what to fix, and what to tell the people who funded it. A post-event survey is the simplest way to collect event feedback while the event is still fresh, in the attendees' own words rather than your guesses.

Most surveys fail in three ordinary ways. They are too long, so people quit halfway. They go out a week late, when the event is a blur. And the answers get read once and never acted on. This guide covers when to send the survey, how many questions to ask, the questions themselves, and what to do with the responses so the next event is better.

Send it fast, and keep it short

Two decisions shape your response rate before anyone reads a single question.

Send it within a day or two, while the event is still fresh. The longer you wait, the fewer people reply, because the detail fades and your email gets buried. Have the survey written before the event so you can send it the next morning.

Keep it to five to ten questions, two or three minutes to finish. Every extra question costs you responses. Use rating scales or multiple choice for most of it so people can answer in a tap, and keep the open text boxes to one or two, since those are the questions people skip.

Send it to everyone who registered, not only the people who showed up. A one-question survey to the no-shows, asking what got in the way, tells you whether the problem was the event or the timing. Then queue one reminder a few days later to everyone who has not answered, which is the cheapest way to lift the response rate.

The questions to ask

Lead with one overall question, add specifics across a few categories, and close with one open question. Pick about eight from the menu below and cut the rest.

  • Overall, ask this one every time. "How likely are you to recommend this event to a colleague?" on a 0 to 10 scale, or "Would you come again?" This is the single number you track across events.
  • Content and sessions. "How useful were the sessions?" "Which session was the most valuable?" "Was the level right for you: too basic, too advanced, or about right?"
  • Speakers. "How would you rate the speakers overall?" and, where it matters, "Which speaker stood out?"
  • Logistics. Quick ratings for the parts attendees actually touch: registration and check-in, the venue or platform, the food, and the timing of the day.
  • Networking. "Did you make a connection worth following up on?" and "Was there enough time to meet people?" Networking is why many people came, so it is worth measuring.
  • Value. "Was the event worth your time?" or, for a paid event, "worth the price?"
  • The open one. Your single text box: "What is the one thing we should change next time?" This is usually where the survey earns its keep.

That menu is more than you should send. Pick about eight, keep just the one open box, and cut the rest. If you will not act on the answer, do not ask the question.

Audience members seated in rows during a presentation or keynote event with stage lighting.
Ask one overall question every time, like likelihood to recommend or return, so you have a single number to compare across events. Photo by Jibarofoto

Questions to add for specific events

Tailor the last few questions to the kind of event you ran.

  • Virtual or hybrid. Ask about the platform and the tech: "How was the audio and video quality?" and "How easy was it to join and take part?" A strong talk over a broken stream still scores badly, and you want to know which one you are looking at.
  • Sponsored events. Ask attendees whether they visited sponsor booths or sessions, and survey sponsors separately about the leads they got, so you have real numbers when you renew them.
  • First-time versus returning. One early question, "Is this your first time at this event?", lets you read every other answer by newcomer or regular. The two groups often want opposite things, and the average hides it.

Write questions that get honest answers

The wording decides whether the answers are usable.

Ask one thing per question. "How were the venue and the food?" forces one answer to two questions, so split them. Keep your rating questions on one consistent scale, the same 1 to 5 across them, so you can compare across questions and across years; the overall 0 to 10 recommend question is the deliberate exception. Keep the wording neutral rather than fishing for praise: "How would you rate the sessions?" not "How great were the sessions?" And put the open-ended question last, so people answer the quick ratings first instead of stalling on a blank box.

Two people in professional clothing holding and reviewing white conference program booklets with blue design elements.
A survey no one acts on just wastes your attendees' time; pick two or three changes and make them. Photo by Rdne

What to do with the responses

A survey nobody acts on is just a chore you imposed on your attendees. The value is in what happens next.

Read the open-ended answers in full, since the patterns there are where the real problems and the best ideas live. Write a short summary, the overall number, what worked, and the two or three things to fix, and share it with your team and the people who funded the event. Pick the changes you will actually make next time, and where you can, tell attendees what you changed because of their feedback. That single follow-up does more for next year's response rate than any incentive.

Then keep the overall number. Tracked across events, "would you recommend this" turns a pile of opinions into a trend you can manage.

If you remember one thing

Send the survey fast, keep it short, and act on what comes back. The exact questions matter less than the habit of asking the same overall one each time and doing something with the answers.

FAQ

Questions, answered.

Should a post-event survey be anonymous?

Yes, a post-event survey should usually be anonymous for the rating questions, because anonymity gets more honest answers about what did not work. If you want to follow up on a comment or a low score, add an optional name or email field rather than identifying the whole survey. Keep the two separate so people can stay anonymous if they prefer.

What is the difference between a post-event survey and an event debrief?

A post-event survey collects feedback from attendees, while an event debrief is the internal meeting where the team reviews what worked and what broke. Run both: the survey tells you how the event landed with the audience, and the debrief turns those answers, plus your own notes, into concrete changes for the next event.

What is a good response rate for a post-event survey?

A response rate between 15 and 40 percent is normal for a post-event survey, lower for large consumer events and higher for tight-knit professional ones. Sending it fast and keeping it short lift the rate most; a small incentive such as a prize draw or a donation per response nudges it higher, where your attendees' policies allow it.

How soon after an event should you send a feedback survey?

Send an event feedback survey within 24 to 48 hours of the event ending. Memory of specific sessions fades within days, and every day of delay costs responses as the email sinks down the inbox. Write the survey before the event so it can go out the next morning, then send one reminder to non-responders a few days later.

How many questions should a post-event survey have?

A post-event survey should have five to ten questions, short enough to finish in two or three minutes. Response rates fall with every question you add, so lean on rating scales and multiple choice that people can answer in a tap, and keep a single open text box. A useful test: if you would not act on the answer, cut the question.

How do you calculate a Net Promoter Score for an event?

To calculate an event Net Promoter Score, ask attendees how likely they are to recommend the event on a 0 to 10 scale, then subtract the percentage who answer 0 to 6 (detractors) from the percentage who answer 9 or 10 (promoters). The measure was introduced by Fred Reichheld in Harvard Business Review in 2003, the score ranges from -100 to +100, and tracking it across events gives you one comparable number for every edition.

Stop chasing files.

Submitto collects slides, bios, and exhibitor documents through one link, renamed and tracked.