SEO

Baseline

Also called Baseline period, starting point

The recorded state of performance before work starts, kept so later results can be compared with something real rather than remembered.

Quick facts: Baseline

Category
SEO
Also called
Baseline period, starting point
Level
Beginner
Affects
Reporting credibility, goal setting, budget decisions, attribution of results
Where to see it
GA4, Search Console, Google Ads, Looker Studio, a dated spreadsheet
In this article4
  1. What a baseline is
  2. Why a baseline matters
  3. Common mistakes with baselines
  4. How to set one properly

What a baseline is

A baseline is a written record of where things stood on the day work began. Not an impression, not a figure somebody half-remembers from a meeting — an exported, dated set of numbers, each with its definition attached, stored somewhere both sides can see it.

For a marketing project it usually covers organic and paid traffic and where that traffic came from, enquiries or orders and what each one cost, revenue where revenue can honestly be measured, current positions for the keywords you intend to target, and the technical state of the site: indexed pages, speed, obvious errors. The point is not to collect everything available. It is to fix, in advance, the small set of numbers that will later decide whether the work is judged a success.

Why a baseline matters

Without one, every conversation about results becomes a memory contest, and memory reliably favours whoever is talking. A dated export ends that argument. It protects in both directions, too: when a client says traffic was better before, the baseline either agrees or it does not, and either answer moves things forward.

There is a quieter benefit. Writing the baseline forces you to define terms while nothing is at stake. What counts as a lead? Does an unanswered phone call count? Are we reporting sessions or people? Those arguments are cheap in the first week and expensive in the sixth month.

Common mistakes with baselines

The oldest trick in reporting is choosing the starting point. A baseline taken during a quiet month makes almost any later figure look like progress, and anyone who checks the dates can see it. Take a period that fairly represents normal trading, and state plainly which period you took.

The second mistake is trusting a platform to keep the data for you. Analytics tools change definitions, adjust their models and discard detail after a retention window, so a figure you never exported may simply not be there when you go looking. The third is quietly redefining a metric mid-project — adding new form types to a conversion count, or switching attribution model — which makes the comparison meaningless even when nobody set out to mislead. If a definition has to change, restate the baseline under the new definition and show both.

How to set one properly

Take a period long enough to absorb normal variation, and take the equivalent period from the previous year alongside it. In Nepal this matters more than in most markets: the festival calendar moves against the Gregorian one, so the same calendar month can contain Dashain in one year and not the next, and a year-on-year comparison made carelessly will mislead you.

Export the raw figures to a file, date it, note anything unusual in the period — an outage, a sale, a campaign that ended — and keep it outside the platform it came from. Then record annotations as the project runs, so that when a line moves months later you can say why rather than guess. Reporting built this way survives scrutiny, and that discipline is what separates useful dashboards and reporting from a monthly slide nobody trusts.

Do and do not

Do

  • Record the baseline before any change goes live
  • Cover a period long enough to absorb seasonal swings
  • Export the raw figures and date the file

Do not

  • Pick a quiet month so later results look better
  • Redefine a metric after the baseline is set
  • Rely on a platform to keep the data for you

Questions people ask about this

How long should a baseline period be?

Long enough to cover the normal ups and downs of the business, which for most companies means several months rather than a few weeks. A single week is almost always misleading. If your trade swings with a season or a festival calendar, capture the equivalent period from the previous year as well, so later comparisons are genuinely like for like.

What should a baseline actually contain?

The metrics you will be judged on, each with its definition written down: traffic and where it came from, enquiries or sales, the cost of each one, revenue where it can be measured, positions for the keywords you are targeting, and the technical state of the site. Anything you cannot define clearly today will be argued about later.

Is a baseline the same as a benchmark?

No. A baseline is your own history, the point you stood at before the work began. A benchmark is an external comparison, usually an industry figure or a competitor's visible performance. The baseline tells you whether you improved. The benchmark tells you whether the result is any good next to everyone else.

Related terms

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