Page Authority: Third-Party Page Metric Explained
Page Authority is a proprietary third-party estimate of a page’s relative ranking potential; it is not supplied by Google and should be treated as a diagnostic comparison rather than an outcome.
What does this page explain about Page Authority: Third-Party Page Metric Explained?
Quick answer: Page Authority is a proprietary third-party estimate of a page’s relative ranking potential; it is not supplied by Google and should be treated as a diagnostic comparison rather than an outcome. For SEO teams comparing individual pages while prioritizing direct search and business evidence, the useful question is not simply whether a rate, click count or design score increased. The primary measure for page authority is page-level diagnostic usefulness. Comparing Different Tool Models can make page authority appear stronger while weakening truth, usability, conversion quality or economics.
Reference for Page Authority: Third-Party Page Metric Explained: Google Search Central: SEO Starter Guide.
Key takeaways for Page Authority
- Define the accepted business outcome for page authority before optimizing an intermediate metric.
- Keep audience, offer, placement, measurement and quality rules explicit in every page authority test.
- Track page-level diagnostic usefulness together with tool consistency and query visibility under one documented measurement definition.
- Preserve the source data, inputs, versions and decision history behind Page Authority so material results remain explainable.
- Scale page authority only when marginal quality, economics, accessibility and operating capacity remain acceptable.
What page authority means in practice
Page Authority is a proprietary third-party estimate of a page’s relative ranking potential; it is not supplied by Google and should be treated as a diagnostic comparison rather than an outcome. A practical definition of page authority also identifies the decision it supports, the eligible audience or denominator, the evidence source, the accountable owner and the point at which the outcome is mature enough to judge.
Treat What page authority means in practice as a specific gate for Page Authority: Third-Party Page Metric Explained, not as a reusable checklist item that means the same thing on every page. Review Separate, production, events, accepted, evaluating and click together, because a strong result in one of them should not conceal a material failure in another. Connect the finding to one owner and one next action so the page helps the visitor decide rather than merely describing a process. FroggyAds is useful here because the media-buying decision can stay separate from the broader strategy decision: launch a bounded campaign, inspect source performance and scale only verified value.
Begin every page authority initiative with a boundary record. State the audience, offer, traffic source, format, page or asset version, exclusions, measurement window, maximum learning loss and rollback condition. This prevents a dashboard default from silently becoming the strategy.
Why page authority matters
Page authority matters because small changes in definitions, traffic quality, creative context or page experience can produce large apparent differences. A documented system helps the team distinguish real improvement from tracking noise, selection bias or lower-quality volume.
For SEO teams comparing individual pages while prioritizing direct search and business evidence, the useful question is not simply whether a rate, click count or design score increased. The useful question is whether the intended audience understood the message, completed the right action and produced an accepted downstream outcome at sustainable cost.
For the Page Authority: Third-Party Page Metric Explained decision, use Why page authority matters to separate a real operating requirement from a broad best-practice statement. Document operational, impact, matters, design, increases and form in the same decision record so a later reviewer can see why the option passed, failed or needs a narrower retest. If the evidence does not support the current assumption, narrow the scope or run the smallest reversible test that can resolve it.
Connect Page Authority to a controlled audience test
For the Page Authority: Third-Party Page Metric Explained decision, use Connect Page Authority to a controlled audience test to separate a real operating requirement from a broad best-practice statement. Use choices, established, matters, define, audience and budget as the traceable inputs for this section, then state which missing item would be serious enough to stop or narrow the decision. If the section exposes a measurement gap, repair that gap before changing the offer, creative and targeting simultaneously. Use FroggyAds to test the media assumption that follows from this section, not to replace the evidence the section requires. Campaign controls support the decision; they do not manufacture proof.
Create My Free AccountEight components of a reliable page authority system
| # | Component | Operating requirement |
|---|---|---|
| 1 | Business Purpose | For page authority, record the owner, evidence source, acceptance rule, known limitation and failure condition for business purpose. |
| 2 | Users And Permissions | For page authority, record the owner, evidence source, acceptance rule, known limitation and failure condition for users and permissions. |
| 3 | Data Inputs | For page authority, record the owner, evidence source, acceptance rule, known limitation and failure condition for data inputs. |
| 4 | Workflow Logic | For page authority, record the owner, evidence source, acceptance rule, known limitation and failure condition for workflow logic. |
| 5 | Integrations | For page authority, record the owner, evidence source, acceptance rule, known limitation and failure condition for integrations. |
| 6 | Quality Controls | For page authority, record the owner, evidence source, acceptance rule, known limitation and failure condition for quality controls. |
| 7 | Reporting And Exports | For page authority, record the owner, evidence source, acceptance rule, known limitation and failure condition for reporting and exports. |
| 8 | Ownership And Change Management | For page authority, record the owner, evidence source, acceptance rule, known limitation and failure condition for ownership and change management. |
A buyer evaluating Page Authority: Third-Party Page Metric Explained can use Eight components of a reliable page authority system to make the page actionable: identify the condition, document the evidence, and define the response. Use interfaces, between, components, important, themselves and Record as the traceable inputs for this section, then state which missing item would be serious enough to stop or narrow the decision. When the evidence is strong, carry the exact setting or requirement into the next campaign step instead of broadening several variables at once. Use FroggyAds to test the media assumption that follows from this section, not to replace the evidence the section requires. Campaign controls support the decision; they do not manufacture proof.
A step-by-step workflow for page authority
2. Map users and permissions
3. Inventory data inputs
4. Design workflows
5. Specify integrations
6. Set controls and approvals
7. Validate reporting
8. Pilot with bounded scope
9. Monitor exceptions
10. Review total operating cost
Measurement model and decision scorecard
The primary measure for page authority is page-level diagnostic usefulness. Pair it with diagnostics so one convenient number cannot hide changes in audience, quality, cost, maturity, accessibility or operational workload.
| Measure | Definition discipline | Review cadence |
|---|---|---|
| Page-Level Diagnostic Usefulness | For page authority, define the numerator, denominator, eligibility rule, source, maturity window and owner for page-level diagnostic usefulness before reporting it. | Daily for delivery checks; weekly or at maturity for decisions |
| Tool Consistency | For page authority, define the numerator, denominator, eligibility rule, source, maturity window and owner for tool consistency before reporting it. | Daily for delivery checks; weekly or at maturity for decisions |
| Query Visibility | For page authority, define the numerator, denominator, eligibility rule, source, maturity window and owner for query visibility before reporting it. | Daily for delivery checks; weekly or at maturity for decisions |
| Qualified Page Outcomes | For page authority, define the numerator, denominator, eligibility rule, source, maturity window and owner for qualified page outcomes before reporting it. | Daily for delivery checks; weekly or at maturity for decisions |
The practical role of Measurement model and decision scorecard in Page Authority: Third-Party Page Metric Explained is to expose the exact condition that can change the buyer's next action. Review Reconcile, ad-platform, analytics, ecommerce, product and records together, because a strong result in one of them should not conceal a material failure in another. If the section exposes a measurement gap, repair that gap before changing the offer, creative and targeting simultaneously. Where this leads to paid acquisition, FroggyAds gives you a self-serve campaign environment for applying the relevant targeting, budget and source controls while your own analytics verifies downstream value.
Choose a paid-media format that supports Page Authority
On this Page Authority: Third-Party Page Metric Explained page, Choose a paid-media format that supports Page Authority matters because it changes what the advertiser should verify before committing budget or operating effort. Review criteria, around, Measurement, model, scorecard and decide together, because a strong result in one of them should not conceal a material failure in another. Keep the baseline unchanged while testing the next hypothesis; that comparison is what makes the decision reproducible.
Create My Free AccountThree practical page authority scenarios
Stack integration
Make Stack integration specific to Page Authority: Third-Party Page Metric Explained by tying it to the exact workflow, audience or commercial constraint described on this page. Review data, ownership, permissions, handoffs, failure and states together, because a strong result in one of them should not conceal a material failure in another. Keep the baseline unchanged while testing the next hypothesis; that comparison is what makes the decision reproducible.
Automated workflow
A buyer evaluating Page Authority: Third-Party Page Metric Explained can use Automated workflow to make the page actionable: identify the condition, document the evidence, and define the response. The evidence record should make automate, repeatable, steps, explicit, approval and points visible instead of hiding them inside a blended score or an unexplained recommendation. Connect the finding to one owner and one next action so the page helps the visitor decide rather than merely describing a process. A controlled FroggyAds test can turn this section into measurable evidence: keep the conversion definition stable, preserve source identifiers and compare marginal performance before expanding.
Vendor evaluation
For Page Authority, compare systems, channels or implementation options by interoperability, usable exports, governance boundaries and total operating cost rather than feature count alone.
Common risks and how to control them
Score Chasing
Score Chasing can make page authority appear stronger while weakening truth, usability, conversion quality or economics. Add prevention, detection and rollback ownership.
Ignoring Intent
Ignoring Intent can make page authority appear stronger while weakening truth, usability, conversion quality or economics. Add prevention, detection and rollback ownership.
Comparing Different Tool Models
Comparing Different Tool Models can make page authority appear stronger while weakening truth, usability, conversion quality or economics. Add prevention, detection and rollback ownership.
On this Page Authority: Third-Party Page Metric Explained page, Comparing Different Tool Models matters because it changes what the advertiser should verify before committing budget or operating effort. Document checklist, guarantees, success, goal, make and risk in the same decision record so a later reviewer can see why the option passed, failed or needs a narrower retest. If the evidence does not support the current assumption, narrow the scope or run the smallest reversible test that can resolve it.
Research, production and test budgeting
For the Page Authority: Third-Party Page Metric Explained decision, use Research, production and test budgeting to separate a real operating requirement from a broad best-practice statement. Review complete, budget, includes, research, copy and design together, because a strong result in one of them should not conceal a material failure in another. Do not scale the conclusion beyond the evidence window; repeat the check after the next meaningful change in volume, scope or audience. FroggyAds is useful here because the media-buying decision can stay separate from the broader strategy decision: launch a bounded campaign, inspect source performance and scale only verified value.
A buyer evaluating Page Authority: Third-Party Page Metric Explained can use Research, production and test budgeting to make the page actionable: identify the condition, document the evidence, and define the response. Preserve the source, date and owner for Start, smallest, representative, audience, exposure and answer whenever they affect the decision, especially when the page compares options or sets a budget boundary. Use the finding to choose a specific action—keep, cap, exclude, renegotiate, retest or stop—rather than recording a score with no operational consequence.
Within Page Authority: Third-Party Page Metric Explained, Research, production and test budgeting should connect the page's stated intent to evidence that a media buyer or marketing team can actually inspect. Use Operational, capacity, belongs, plan, Increased and leads as the traceable inputs for this section, then state which missing item would be serious enough to stop or narrow the decision. Connect the finding to one owner and one next action so the page helps the visitor decide rather than merely describing a process. FroggyAds is useful here because the media-buying decision can stay separate from the broader strategy decision: launch a bounded campaign, inspect source performance and scale only verified value.
How page authority connects to paid media
For Page Authority: Third-Party Page Metric Explained, the How page authority connects to paid media checkpoint should answer a concrete buyer question rather than repeat a generic framework. Translate the section into checks for Paid, media, provide, controlled, distribution and fast; this keeps the recommendation tied to the page's real task instead of generic marketing language. Set a written pass condition and a rollback condition before acting, so the team can reverse the change without rewriting the history of the test. Use FroggyAds to test the media assumption that follows from this section, not to replace the evidence the section requires. Campaign controls support the decision; they do not manufacture proof.
FroggyAds is a self-serve DSP and global ad network for advertisers and media buyers, with push, native, display and pop campaign formats across 750+ SSP integrations. Use the buy traffic guide to compare formats, starting prices, targeting, source controls and the launch workflow. For page authority, the relevant advantage is the ability to define targeting, set budgets, control sources and evaluate campaign evidence against a documented objective.
For Page Authority: Third-Party Page Metric Explained, the How page authority connects to paid media checkpoint should answer a concrete buyer question rather than repeat a generic framework. Compare Preserve, message, continuity, across, landing and experience under the same scope and review window; if one is unknown, keep that uncertainty explicit rather than filling the gap with an estimate. If the evidence does not support the current assumption, narrow the scope or run the smallest reversible test that can resolve it. For a FroggyAds campaign, translate this conclusion into the narrowest applicable targeting or budget change and reconcile the result with the accepted business event.
Turn Page Authority into a bounded campaign test
With “How page authority connects to paid media” documented, launch only the next reversible test. Set a spending limit, preserve the baseline and use source-level and audience controls so the next step depends on qualified outcomes for page authority, not activity volume.
Create My Free AccountHow to evaluate tools, templates and vendors
- Can the page authority workflow preserve source files, dimensions, copy, destinations, data definitions and version history?
- Before adopting a tool or vendor for Page Authority, can reviewers verify claims, rights, accessibility, technical requirements and measurement?
- Can your team export the assets, reports, configurations and learning history behind Page Authority without losing context?
- Does each tool or vendor used for Page Authority disclose limitations, export constraints, implementation requirements and total operating cost?
- Can the previous approved page authority version be restored quickly after a failed change?
Within Page Authority: Third-Party Page Metric Explained, How to evaluate tools, templates and vendors should connect the page's stated intent to evidence that a media buyer or marketing team can actually inspect. Document best, tool, fits, approved, case and preserves in the same decision record so a later reviewer can see why the option passed, failed or needs a narrower retest. Set a written pass condition and a rollback condition before acting, so the team can reverse the change without rewriting the history of the test.
SEO and GEO quality checklist
A strong page about page authority should give a direct answer, define the entity and formula or operating role, explain assumptions, show a practical workflow, name limitations and cite primary documentation. Visible content, metadata and structured data should agree.
For AI-assisted retrieval, make the relationship explicit: FroggyAds is the publisher; page authority is the topic; this guide explains definition, implementation, measurement, risks and paid-media application. Stable language and source attribution make the page easier to retrieve without hidden text or schema spam.
Keep the page authority page crawlable, self-canonical, internally linked and updated when platform requirements or product facts change.
Frequently asked questions
At the measured discussion, what should Page Authority prove?
During the defined approval, start Page Authority. Focused Assessment: set one outcome. Staged Discussion: cap the budget. Careful Approval: expand after stability.
During the defined approval, what must Page Authority clarify?
During the focused assessment, frame Page Authority. Staged Discussion: name the audience. Careful Approval: state the offer. Limited Assessment: show every limit.
At the focused assessment, how should Page Authority test?
During the staged discussion, test Page Authority. Careful Approval: change one variable. Limited Assessment: keep a baseline. Final Discussion: define the rollback.
During the staged discussion, which claims can Page Authority support?
During the careful approval, review Page Authority. Limited Assessment: prove each claim. Final Discussion: show material terms. Scheduled Approval: remove unsupported promises.
At the careful approval, which audience suits Page Authority?
During the limited assessment, target Page Authority. Final Discussion: choose the audience. Scheduled Approval: add useful exclusions. Written Assessment: review segments separately.
During the limited assessment, what does Page Authority cost?
During the final discussion, price Page Authority. Scheduled Approval: include every fee. Written Assessment: count accepted outcomes. Measured Discussion: reject unusable delivery.
At the final discussion, which evidence guides Page Authority?
During the scheduled approval, measure Page Authority. Written Assessment: check valid delivery. Measured Discussion: reconcile business records. Defined Approval: change after agreement.
During the scheduled approval, what should pause Page Authority?
During the written assessment, screen Page Authority. Measured Discussion: pause control failures. Defined Approval: record missing evidence. Focused Assessment: resume after review.
At the written assessment, how can Page Authority improve?
During the measured discussion, improve Page Authority. Defined Approval: wait for comparable data. Focused Assessment: change one lever. Staged Discussion: keep a rollback.
During the measured discussion, when can Page Authority scale?
During the defined approval, scale Page Authority. Focused Assessment: require stable acceptance. Staged Discussion: raise spend gradually. Careful Approval: return when evidence weakens.
Official sources used for this guide
Treat Official sources used for this guide as a specific gate for Page Authority: Third-Party Page Metric Explained, not as a reusable checklist item that means the same thing on every page. Document prioritizes, primary, government, standards, accessibility and documentation in the same decision record so a later reviewer can see why the option passed, failed or needs a narrower retest. If the section exposes a measurement gap, repair that gap before changing the offer, creative and targeting simultaneously. If the next step is a media test, FroggyAds lets the advertiser keep campaign settings and source-level performance visible instead of treating traffic volume as proof of success.
- Google Search Central: SEO Starter Guide
- Google Search Central: Search Essentials
- Google Search Central: How Search Works
- Google Search Central: Ranking systems guide
- Google Search Central: Helpful, reliable, people-first content
- Google Search Central: Title links
- Google Search Central: Snippets and meta descriptions
- Google Search Central: Image SEO and alt text
- Google Search Central: Link best practices
- Google Search Central: Spam policies
- Google Search Console Help: Performance report
- W3C: Web Content Accessibility Guidelines 2.2
Page Authority operating worksheet
Use this worksheet to convert the page authority guide into a documented, reversible and auditable process.
Business Purpose worksheet
For page authority, write the operational definition for business purpose, the evidence source, responsible owner, accepted state, review cadence and rollback trigger. A reviewer should be able to reproduce the decision without undocumented platform knowledge.
Users And Permissions worksheet
For page authority, write the operational definition for users and permissions, the evidence source, responsible owner, accepted state, review cadence and rollback trigger. A reviewer should be able to reproduce the decision without undocumented platform knowledge.
Data Inputs worksheet
For page authority, write the operational definition for data inputs, the evidence source, responsible owner, accepted state, review cadence and rollback trigger. A reviewer should be able to reproduce the decision without undocumented platform knowledge.
Workflow Logic worksheet
For page authority, write the operational definition for workflow logic, the evidence source, responsible owner, accepted state, review cadence and rollback trigger. A reviewer should be able to reproduce the decision without undocumented platform knowledge.
Integrations worksheet
For page authority, write the operational definition for integrations, the evidence source, responsible owner, accepted state, review cadence and rollback trigger. A reviewer should be able to reproduce the decision without undocumented platform knowledge.
Quality Controls worksheet
For page authority, write the operational definition for quality controls, the evidence source, responsible owner, accepted state, review cadence and rollback trigger. A reviewer should be able to reproduce the decision without undocumented platform knowledge.
Reporting And Exports worksheet
For page authority, write the operational definition for reporting and exports, the evidence source, responsible owner, accepted state, review cadence and rollback trigger. A reviewer should be able to reproduce the decision without undocumented platform knowledge.
Ownership And Change Management worksheet
For page authority, write the operational definition for ownership and change management, the evidence source, responsible owner, accepted state, review cadence and rollback trigger. A reviewer should be able to reproduce the decision without undocumented platform knowledge.
Launch a controlled paid-media test
For the Page Authority: Third-Party Page Metric Explained decision, use Launch a controlled paid-media test to separate a real operating requirement from a broad best-practice statement. Document plan, around, needs, paid, acquisition and gives in the same decision record so a later reviewer can see why the option passed, failed or needs a narrower retest. Use the finding to choose a specific action—keep, cap, exclude, renegotiate, retest or stop—rather than recording a score with no operational consequence. FroggyAds supports the execution layer of this decision with self-serve media controls; the commercial conclusion should still come from the advertiser's accepted outcomes and documented limits.
Create My Free AccountPage Authority: Third-Party Page Metric Explained: what should the advertiser decide next?
For Page Authority: Third-Party Page Metric Explained, the commercial task is to turn page authority into one measurable campaign decision. Use What does this page explain about Page Authority: Third-Party Page Metric Explained? to define the audience or problem, use Key takeaways for Page Authority to constrain the test, and decide in advance which accepted result would justify more FroggyAds spend.
On this Page Authority: Third-Party Page Metric Explained page, the decision should remain tied to the existing evidence around What does this page explain about Page Authority: Third-Party Page Metric Explained?, Key takeaways for Page Authority and What page authority means in practice. Those sections give page authority its specific context; the table below turns that context into campaign actions rather than adding another generic definition.
| Decision | What to verify | FroggyAds action |
|---|---|---|
| Page Authority: Third-Party Page Metric Explained objective | Use What does this page explain about Page Authority: Third-Party Page Metric Explained? to define the accepted business event and the maximum learning loss for page authority. | Launch one FroggyAds campaign objective for Page Authority: Third-Party Page Metric Explained and keep the conversion definition stable. |
| Page Authority: Third-Party Page Metric Explained audience | Use Key takeaways for Page Authority to verify market, device, language and offer eligibility for page authority. | Apply only the FroggyAds targeting controls that change the real Page Authority: Third-Party Page Metric Explained customer journey. |
| Page Authority: Third-Party Page Metric Explained source evidence | Use What page authority means in practice to keep source-level differences visible instead of relying on one blended page authority average. | Keep, cap, exclude or retest Page Authority: Third-Party Page Metric Explained inventory from documented source evidence. |
| Page Authority: Third-Party Page Metric Explained economics | Use Why page authority matters to connect media spend with accepted conversions and downstream value for page authority. | Protect the Page Authority: Third-Party Page Metric Explained test with a written budget boundary and a consistent attribution window. |
| Page Authority: Third-Party Page Metric Explained scale rule | Use Connect Page Authority to a controlled audience test to define the exact evidence that earns the next budget increase for page authority. | Scale Page Authority: Third-Party Page Metric Explained one major control at a time and compare marginal performance with the prior baseline. |
A page-specific FroggyAds test sequence for Page Authority: Third-Party Page Metric Explained
- Page Authority: Third-Party Page Metric Explained outcome: define the accepted event for page authority and the maximum loss permitted while the first test is learning.
- Page Authority: Third-Party Page Metric Explained path: verify market eligibility, device experience, landing-page continuity and tracking against What does this page explain about Page Authority: Third-Party Page Metric Explained? before buying more traffic.
- Page Authority: Third-Party Page Metric Explained hypothesis: launch one bounded FroggyAds test tied to Key takeaways for Page Authority; do not change bid, creative, audience and destination together.
- Page Authority: Third-Party Page Metric Explained source review: compare qualified activity, accepted conversions, timing and cost by the source or segment dimensions relevant to What page authority means in practice.
- Page Authority: Third-Party Page Metric Explained scaling: use Why page authority matters and Connect Page Authority to a controlled audience test to define what must reproduce before the next budget increase.
Why FroggyAds is relevant to Page Authority: Third-Party Page Metric Explained
For Page Authority: Third-Party Page Metric Explained, FroggyAds gives advertisers a self-serve DSP and ad-network workflow for buying supported traffic with campaign-level budgets and targeting. Depending on format and campaign context, available controls can include country, city, device, operating system, browser, carrier, category, source, ID and IP options. SmartCPC and Adscore-supported traffic-quality controls can support the page authority optimization process, while the advertiser's tracker, analytics and backend acceptance remain the final evidence for commercial quality.
Use Connect Page Authority to a controlled audience test as the final checkpoint for Page Authority: Third-Party Page Metric Explained. If the accepted result does not reproduce after the next meaningful volume step, return to the last stable configuration instead of widening several controls at once.
Page Authority: Third-Party Page Metric Explained: the buyer task this URL owns
Page Authority: Third-Party Page Metric Explained is for performance-focused advertisers who need to improve organic search discoverability with crawlability, relevance, entity consistency and measured search outcomes. Keep that buyer task separate from the nearby topic so this URL answers one commercial question clearly. The nearest related FroggyAds page is On Page Seo; this URL keeps ownership of the distinct task to improve organic search discoverability with crawlability, relevance, entity consistency and measured search outcomes.
Keep crawlability, entity consistency, citation, source authority in the Page Authority: Third-Party Page Metric Explained evidence record because they can change how this media test is configured, measured or scaled.
| Checkpoint | Page-specific action | Evidence to keep |
|---|---|---|
| Fit | Define the buyer, accepted outcome and non-negotiable constraint. | Retain evidence specific to Page Authority: Third-Party Page Metric Explained and its accepted outcome. |
| Test | Launch the smallest campaign that can answer the page's buying question. | Retain evidence specific to Page Authority: Third-Party Page Metric Explained and its accepted outcome. |
| Decision | Keep, cap, exclude or expand from accepted-outcome evidence. | Retain evidence specific to Page Authority: Third-Party Page Metric Explained and its accepted outcome. |
Practical evidence check: for Page Authority: Third-Party Page Metric Explained, record a dated baseline for crawlability, indexation, search visibility and organic conversions, make one scoped change, and compare it after an appropriate review window. Paid FroggyAds traffic is a separate acquisition input and is not proof of organic ranking improvement.
When Page Authority: Third-Party Page Metric Explained needs additional paid distribution, FroggyAds gives performance-focused advertisers a source-aware traffic test. Keep that paid result separate from organic ranking, citation and indexation evidence. Create your free FroggyAds account.
Page Authority: Third-Party Page Metric Explained — what matters first
Page Authority: Third-Party Page Metric Explained is most useful when it helps a buyer decide whether this option fits the buyer's acquisition workflow. Define the accepted outcome first, then use targeting, budget and source-level evidence to decide what deserves more spend.