How Do You Track Your LinkedIn Post Performance?

Open the Flux dashboard and you get six KPI cards, an engagement trend chart, and date-range controls that let you zoom into any period. Everything is built on engagement — likes, comments, and shares — because LinkedIn does not expose impressions to third-party tools. Instead of guessing at reach, Flux shows you the reactions your audience actually took, benchmarked against your own history.

What you'll learn

What each of the six KPI cards measures and why it matters
How to use date range pills and the metric switcher to focus on what you care about
When to use 7-day vs 28-day rolling averages on the Engagement Over Time chart
How the Engagement Trend card compares your recent 90 days to the prior 90
What growth-adjusted mode does on Edge and when to turn it on
Why you should benchmark against yourself, not someone else's numbers

What do the six KPI cards tell you?

The Performance Overview shows six cards at the top of your dashboard, each summarizing a different angle on your posting activity for the selected time range:

Total Posts — the number of original posts you published (reposts and quote posts are excluded everywhere in Flux).
Total Engagement — the sum of likes, comments, and shares across all posts in the window.
Avg Engagement / Post — your mean engagement per post, the single best number for tracking quality over time.
Posts per Week — your average posting cadence for the period.
Engagement Trend — a comparison of your most recent 90 days against the prior 90 days, shown as a percentage change. An upward arrow means your engagement is accelerating; a downward arrow means it is cooling.
Best Format — the post type with the highest average engagement, shown with a multiplier against your overall average (requires at least 3 posts of that type to qualify).

Each card includes a delta badge — up, down, or flat — so you can see at a glance whether a metric improved relative to the prior period. Changes under 5% display as "Flat" to avoid overreacting to noise.

For example, if your Avg Engagement / Post shows 47 with an upward arrow and "+12%," your typical post is earning meaningfully more engagement than it did in the comparison period. Pair that with the Engagement Trend card and you know whether the improvement is a recent spike or part of a sustained upward shift.

How do you change the time range and metric?

Five date range pills sit above the KPI cards: 30d, 90d, 6mo, 1y, and All. Selecting a range updates every card and the Engagement Over Time chart simultaneously. Use 30d when you want to evaluate recent experiments, 90d for a quarterly check-in, and All to see your full posting history since Flux began tracking you.

The metric switcher lets you swap the primary metric the cards and chart display. Your options are Engagements (the default, combining likes + comments + shares), Likes only, Comments only, and Conversation Rate (comments divided by total engagement). Switching to Comments-only mode is useful when you care more about depth of response than raw volume — a post with 10 comments and 5 likes is a stronger conversation starter than one with 50 likes and zero comments.

There is also an Avg vs Total toggle on the engagement chart. Total mode shows your aggregate engagement across all posts in each time bucket, which naturally rises if you post more often. Avg mode normalizes per post, so you can see whether each individual post is performing better or worse regardless of cadence changes.

When should you use 7-day vs 28-day rolling averages?

The Engagement Over Time chart offers two rolling average overlays: 7-day and 28-day. Both smooth out noise, but they answer different questions.

The 7-day rolling average removes day-to-day volatility. A single viral post creates a spike that disappears from the 7-day line within a week. Use it when you are posting multiple times per week and want to see whether this week is genuinely better than last week, without getting fooled by one outlier.

The 28-day rolling average smooths across full weeks, revealing monthly-scale trends. If you post two or three times a week, individual posts barely move the 28-day line — only a sustained shift in engagement quality will bend it. Use it when you want to answer "is my content getting better over the past quarter?" rather than reacting to any single week.

A practical pattern: if the 7-day line is above the 28-day line, your recent posts are outperforming your monthly trend. If it dips below, your latest content is underperforming relative to your recent baseline. Watching the two lines cross is one of the simplest ways to spot an emerging trend before the KPI cards catch up.

What does the Engagement Trend card actually compare?

The Engagement Trend card takes your most recent 90 days and compares them against the 90 days before that. It shows a single percentage — say "+18%" or "-7%" — so you can tell at a glance whether your engagement trajectory is improving, declining, or flat.

This matters because a single month can swing on one post. By comparing 90-day blocks, the Trend card absorbs enough posts to be stable. If you publish twice a week, each 90-day window contains roughly 26 posts — enough to reflect a real pattern rather than a lucky streak.

What does growth-adjusted mode do?

On Edge, the Engagement Over Time chart has a growth-adjusted toggle that removes the effect of audience growth from your trend line. As your follower count rises, raw engagement tends to climb simply because more people see your posts. Growth-adjusted mode normalizes for that, showing whether your content quality is genuinely improving or just riding a larger audience.

Turn it on when your follower count is growing steadily and you want to know whether a rising engagement trend reflects better content or just more eyeballs. If the growth-adjusted line is flat while raw engagement rises, your per-follower engagement has not changed — the gains are coming from audience size alone.

Should you benchmark against other profiles or your own history?

Your own history. Across 25,150 posts from 66 Flux user profiles, the median engagement by format ranges from 55 for documents/carousels down to 10 for polls. Those benchmarks are useful context, but comparing yourself to someone in a different niche with a different audience size tells you very little.

Flux is built around self-benchmarking. The KPI cards compare your current period to your prior period. The Engagement Trend card compares your recent 90 days to the 90 days before. The rolling averages on the chart show your own trajectory. Even the Best Format card measures each format against your own overall average, not a global standard.

The question to ask is not "am I above or below the median for LinkedIn" but "am I improving relative to where I was?" A consistent upward trend in your own Avg Engagement / Post is a stronger signal than any cross-profile comparison.

Frequently asked questions

Does Flux track impressions or reach?

No. LinkedIn does not expose impressions to third-party tools. Flux measures engagement — likes, comments, and shares — which reflects what your audience actually did, not how many feeds your post appeared in.

What is the difference between the Avg and Total toggle?

Total shows aggregate engagement across all posts in each time bucket, so publishing more often raises the number. Avg divides by post count, letting you see whether each individual post is performing better or worse regardless of how frequently you publish.