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Session quality: zero-second sessions & conversion rate

One interactive home base for spotting anomalies in Shopify traffic. Each chart overlays total sessions (blue) with the zero-second / instant-bounce portion (amber) and the conversion rate that results (green). Hover any chart for the exact weekly numbers; click a legend label to isolate a line. Weekly, last two years. Every sessions series reconciles to Shopify's reported totals.

SOURCE: Shopify mud-wtr · ShopifyQL · weekly Jun 24 2024 – Jun 22 2026 (105 wks) · zero-second = session_duration ≤ 0 · final week partial
Total sessions (2yr)
19.5M
all channels
Zero-second share
71%
last 4wk 66%
Site CVR (2yr, wtd)
2.51%
last 4wk 1.80%
Cleanest / bounciest
Google / YT
57% vs 80% zero-sec

01 · Site-wide

All sessions — total vs zero-second, with conversion rate

Blue = total sessions · amber = zero-second portion · green = conversion rate (right axis). Hover for weekly detail.

Zero-second share over time

The % of all sessions that bounce instantly. A bot/fraud event would spike this line; instead it sits in a tight band.

Conversion rate over time

Mirror image of quality: as zero-second share crept up and the traffic mix shifted, blended CVR drifted from ~2.5% to ~1.8%.

02 · By referral channel

Zero-second share by channel

If a competitor flooded one channel with bots, its line would break upward away from the pack. Click a label to isolate it.

Stable bands for two years: YouTube ~80%, Facebook/Instagram/Direct ~73%, Google ~57%. No channel shows an attack-style step-change.

Conversion rate by channel

Google (search) leads ~4%. Facebook CVR cratered to ~0.7% in Sep–Oct 2025 then recovered; Instagram is sliding toward ~0.6% now.

Facebook

4,020k sessions · 74% zero-sec · CVR 1.84% (last4 1.79%)

Direct

9,717k sessions · 73% zero-sec · CVR 2.52% (last4 1.61%)

Instagram

1,428k sessions · 73% zero-sec · CVR 1.89% (last4 0.87%)

Google (organic search)

2,177k sessions · 57% zero-sec · CVR 4.11% (last4 3.44%)

YouTube

631k sessions · 80% zero-sec · CVR 1.06% (last4 1.09%)
ChannelSessions (2yr)Zero-sec %last 4wkCVR (wtd)CVR last4
Facebook4,019,70774%67%1.84%1.79%
Direct9,717,43173%68%2.52%1.61%
Instagram1,428,29073%73%1.89%0.87%
Google (organic search)2,177,36557%53%4.11%3.44%
YouTube631,05680%72%1.06%1.09%

"Direct" (9.7M) absorbs untagged + in-app-browser traffic, so its volume is inflated. TikTok excluded — referral collapsed to ~zero after Nov 2025.

03 · By landing page

Zero-second share by landing page

Click a label to isolate a page. The paid landers run hotter than the shop/PDP pages.

Conversion rate by landing page

collections/shop & the 30-servings PDP convert highest (~3.7–4.7%); the paid landers (rise-2, compare-listicle, rise-2-coffee) sit ~1.6–1.9% — and slipping.

/pages/rise-2

3,565k sessions · 69% zero-sec · CVR 1.80% (last4 1.42%)

/products/30-servings-tin

2,091k sessions · 73% zero-sec · CVR 3.75% (last4 3.42%)

/ (homepage)

2,816k sessions · 66% zero-sec · CVR 2.30% (last4 1.97%)

/pages/compare-listicle-og

327k sessions · 72% zero-sec · CVR 1.89% (last4 1.50%)

/collections/shop

413k sessions · 53% zero-sec · CVR 4.71% (last4 4.19%)

/pages/rise-2-coffee

118k sessions · 75% zero-sec · CVR 1.63% (last4 1.05%)
Landing pageSessions (2yr)Zero-sec %last 4wkCVR (wtd)CVR last4
/pages/rise-23,564,70269%64%1.80%1.42%
/products/30-servings-tin2,090,86973%69%3.75%3.42%
/ (homepage)2,816,01766%53%2.30%1.97%
/pages/compare-listicle-og327,36172%76%1.89%1.50%
/collections/shop413,07053%46%4.71%4.19%
/pages/rise-2-coffee117,83075%73%1.63%1.05%

04 · Landing page × channel

The anomaly view: a single page × channel cell can be rotten even when the page total and the channel total both look fine. Window = last 56 days. The clear pattern — the channel matters more than the page. Google is the clean, high-intent source on every page (30-serving PDP via Google converts at 5.5% with the lowest bounce); Instagram and YouTube are bouncy and low-converting wherever they land. Two cells stand out as near-dead traffic: 30-serving PDP × YouTube (89% bounce, 0.41% CVR) and Homepage × Instagram (86% bounce, 0.25% CVR).

Zero-second share by landing page × channel

% of sessions that bounce instantly. Deeper = worse. Cell footnote = total sessions (last 56 days); faded = low volume.
Lower  Higher bounce (worse)
Landing page \ channelFacebookInstagramGoogleYouTubeDirect
Rise 2 LP
59%
169k
65%
127k
54%
35k
68%
24k
73%
76k
Compare listicle
68%
69k
78%
64k
68%
23k
82%
9k
30-serving PDP
81%
10k
86%
3k
51%
53k
89%
6k
82%
62k
Homepage
50%
6k
86%
4k
41%
24k
55%
82k
Shop collection
31%
6k
51%
19k
Rise 2 coffee LP
70%
8k
77%
5k

Conversion rate by landing page × channel

Deeper green = higher CVR. Same cells as above — note how the green (Google column) lines up with the lighter bounce cells.
Lower  Higher CVR (better)
Landing page \ channelFacebookInstagramGoogleYouTubeDirect
Rise 2 LP
2.17%
169k
1.38%
127k
3.23%
35k
1.46%
24k
1.14%
76k
Compare listicle
2.13%
69k
1.10%
64k
3.44%
23k
1.45%
9k
30-serving PDP
1.07%
10k
1.20%
3k
5.51%
53k
0.41%
6k
2.12%
62k
Homepage
2.66%
6k
0.25%
4k
2.77%
24k
2.25%
82k
Shop collection
4.92%
6k
3.46%
19k
Rise 2 coffee LP
1.37%
8k
0.90%
5k

Shopify ShopifyQL · sessions · landing_page_path × referrer_name · pulled via Cowork (in-session bridge was down). "Direct" = untagged / in-app-browser traffic. Empty cells = combination below the top-60 reporting cut (very low volume). Conversion rate is Shopify session-based.

05 · Does zero-second traffic hurt conversion or CAC?

Two questions, two answers. Does instant-bounce traffic convert worse? Yes — and the link is much tighter for Instagram (r = -0.59) than site-wide (r = -0.31). Does it drive up CAC? Barely — Instagram zero-second vs CAC is only r = +0.20 (weak) and site-wide is ~0. For comparison, CVR itself moves with CAC far more strongly (r = -0.60). Translation: zero-second share is a conversion-quality signal, not a CAC lever.
Relationship (weekly, 2 yrs)Pearson rReadweeks
Instagram zero-second share → Instagram CVR-0.59negative, moderate105
Site zero-second share → site CVR-0.31negative, weak105
Instagram zero-second share → blended CAC+0.20positive, negligible104
Site zero-second share → blended CAC-0.13negative, negligible104
Site CVR → blended CAC (reference)-0.60negative, strong104

r ranges −1 to +1. Near 0 = no linear relationship; ±0.2 weak, ±0.4 moderate, ±0.6 strong. CAC = Daily Stand “Total Blended CAC (DTC)” = total spend ÷ Shopify new customers, aggregated to weeks. Rates plotted only where weekly sessions ≥ 200.

Instagram zero-second share vs Instagram CVR

Each dot = one week. Dashed line = trend. Hover a dot for the week.

What you’re seeing: the cloud slopes clearly down and left-to-right — weeks when more of Instagram’s traffic bounced instantly are the same weeks IG converted worse. At r = −0.59 this is the strongest relationship on the page: the dots hug the trend line fairly tightly, so IG zero-second share is a genuine read on IG traffic quality. The low-bounce weeks (left) cluster near 2–3% CVR; the high-bounce weeks (right) sag toward ~1%.

Site zero-second share vs Site CVR

Each dot = one week. Dashed line = trend. Hover a dot for the week.

What you’re seeing: same downward tilt, but looser — r = −0.31. The dots are more scattered around the line because site-wide bounce blends every channel together, which dilutes the signal any single source carries. The relationship is real but weak: zero-second share nudges sitewide CVR, it doesn’t dictate it.

Instagram zero-second share vs Blended CAC

Each dot = one week. Dashed line = trend. Hover a dot for the week.

What you’re seeing: a near-flat, faintly-rising cloud — r = +0.20. This is the chart that tests your hunch directly, and the answer is “barely.” The dots are a shapeless blob: plenty of high-IG-bounce weeks have perfectly normal CAC, and plenty of low-bounce weeks have high CAC. If IG junk traffic were driving CAC, this would slope up hard; it doesn’t.

Site zero-second share vs Blended CAC

Each dot = one week. Dashed line = trend. Hover a dot for the week.

What you’re seeing: no relationship — r = −0.13, essentially a flat trend line through random scatter. Site-wide bounce share tells you nothing useful about what CAC will be that week. CAC is set by spend levels and channel mix, not by how many sessions bounced.

Instagram zero-second share vs blended CAC — over time

Red = IG zero-second % (left). Black = blended CAC (right). If the hunch held, the two would rise and fall together; mostly they don’t.

What you’re seeing: the same scatter story, on a timeline. The red IG-bounce line wanders in a fairly tight band the whole period, while the black CAC line climbs through 2025 — they’re not tracking each other. Eyeball the big CAC swings (e.g. the spring-2025 run-up) and you’ll see IG bounce didn’t move with them. That’s the +0.20 correlation made visible: a weak, mostly-coincidental drift, not a lockstep relationship.

Analyst caveat: blended CAC is driven mostly by paid-spend levels, channel mix and seasonality; Instagram’s zero-second share is one channel’s on-site behavior. The weak positive link likely reflects a shared cause (scaling cold prospecting brings both more instant-bounce IG clicks and higher CAC) rather than zero-second sessions causing CAC. Correlation ≠ causation.

06 · How to read this

The three layers tell one consistent story: zero-second share is a quality signature of each channel and page (paid social & video bounce more than search), and it maps inversely to conversion rate — Google search has the lowest zero-second share and the highest CVR; YouTube the opposite. Across two years no channel or page shows an attack-style step-change in zero-second share, so the recent CVR softness (Instagram ~0.6%, paid landers ~1.5%) is gradual and mix-driven — a campaign & efficiency story, not a traffic-quality attack.