Some daily variation is normal — weekday vs weekend, holidays, traffic-driver outages on third-party sites you depend on. But if a single day looks noticeably lower than the rolling 7-day average, here's the checklist that catches almost every cause.
1. Did the tracker fail to load?
Open Live → Live View and check the timestamp of the most recent event. If the gap is more than ~5 minutes, no events are coming in. Possible causes:
- Your CDN cached an old copy of the page that's missing the script tag.
- A recent deploy stripped the
<script>tag from your layout. - A CSP change is blocking
api.zenovay.com.
Quick check: open your homepage in an incognito window, open DevTools → Network, and look for script.js from api.zenovay.com (or your sGTM domain). No request = no tracking.
2. Was bot traffic surge filtered out?
If you had a sudden spike in known-bot traffic the previous day (search-engine crawler refresh, security scanner, ad-bot wave), Zenovay's bot filter strips those visits. The dashboard count drops to "real human" only — which is correct, but visually looks like a slump.
Check the Bot Traffic widget under Settings → Filters to see how many filtered visits there were yesterday vs today.
3. Did your traffic source dry up?
Open Sources → By date and look for any source that fell to 0 yesterday. Common single-source dropouts:
- A blog post you were promoted on rotated off the front page.
- A Reddit/HN/Product-Hunt thread aged out.
- A paid campaign hit its budget cap.
- An email digest didn't go out.
The dashboard's source-comparison chart makes this immediately visible.
4. Is your retention window the issue?
If you're on the Free plan (365-day retention) or Pro (730 days) and looking at a date older than the retention window, the data has been purged on schedule. The day shows zero because the data no longer exists.
Plan-specific retention:
| Plan | Retention |
|---|---|
| Free | 365 days |
| Pro | 730 days |
| Scale | 1,460 days (4 years) |
| Enterprise | Configurable, default 1,460 days |
5. Was there a Zenovay-side incident?
Check status.zenovay.com for any incidents on the day in question. If Zenovay had an ingestion outage, events from that window may be missing. We backfill where possible, but very large outages can leave gaps.
6. Time-zone confusion
The dashboard defaults to the website's configured timezone (under Settings → Website → Timezone). If you recently changed it, the boundary between "yesterday" and "today" shifted, which can make a single day look short. Switch the date range to UTC and compare to confirm.
7. Cookie banner change
If you recently rolled out a stricter cookie banner (or moved to a new consent platform), some sites lose 20-40% of their tracked traffic to people clicking "Reject all". The drop is real — those visits are not being measured.
Consider running the tracker in cookieless mode for the analytics-only path. See does Zenovay use cookies?
When to email support
If you've worked through this list and the day still looks anomalous, email support@zenovay.com with:
- The website domain.
- The date range that looks off.
- A screenshot of the dashboard chart.
We can check ingestion logs from our side and confirm whether events were lost or filtered.