A short backlog of findings that reproduce on a named cohort, each tied to a likely root cause, an owner, and an acceptance test that says whether the fix held.

A crawler can return thousands of warnings before lunch, and none of that volume tells you whether your site actually has thousands of separate problems or one template defect repeating itself. We reproduce the pattern on live URLs, group the symptoms by the root cause actually causing them, and hand engineering a queue that names the affected templates and the test that proves each fix held. You get a focused, evidence-backed backlog that connects each confirmed issue to its root cause, affected templates, and acceptance tests.

A Zeo analyst organizes a large pile of crawl alerts into root-cause groups on an evidence board, then moves a short priority stack to engineering.

Some of the 500+ brands we've worked with

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  • Hyundai
  • Findeks
  • Watsons
  • Yemek.com
  • İstanbul Gedik Üniversitesi
  • Desa
  • Doğtaş
  • Amazon
  • BMW
  • Shell
  • PepsiCo
  • Red Bull
  • Decathlon
  • MediaMarkt
  • Bayer
  • Sanofi
  • EY
  • KPMG
  • GE
  • 3M
  • Domino’s
  • Lexus
  • Trendyol
  • Hepsiburada

Five stages (lock scope, reproduce the states, find the shared cause, hand off testable work, then rerun the evidence).

  1. Define the crawl population

    Before collecting data, we agree on seed sources, scope rules, authentication, user agent, rendering mode, exclusions, protected journeys, and the release window. Authentication, rendering mode, and protected-journey exclusions are approved by our technical lead, because those three choices decide what is in scope.

    A reproducible crawl with a clear record of what was included and excluded.

  2. Reproduce crawl and index states

    For the same cohort, we connect crawl rows with Search Console inspections, server requests, source HTML, rendered HTML, sitemaps, and live URL checks. Samples of the joined evidence get checked against the live pages before the register is accepted as proof of anything.

    A findings register in which every issue links to the evidence that confirms it.

  3. Group symptoms by root cause

    Agents cluster repeated redirects, canonicals, directives, rendering gaps, broken links, and template states. A specialist tests the pattern and keeps the counterexamples visible. A specialist tests the clustered pattern against counterexamples before it's allowed to explain the whole group.

    A short list of shared causes instead of thousands of duplicates.

  4. Build an actionable engineering queue

    We prioritize findings according to affected eligible URLs, user and search impact, confidence, recurrence, dependencies, reversibility, and ownership. Confidence, dependencies, and reversibility get weighed against what engineering can actually absorb before the priority order is approved.

    Each ticket includes examples, an owner, a completion test, and a clear condition for stopping or rolling back.

  5. Recheck the same cohort

    After the fix, we recrawl the same URLs, repeat representative inspections and rendering checks, and compare protected outcomes before closing anything. A specialist confirms the protected behavior held before closing the finding and decides whether a recurring cause becomes a platform test.

    Findings close only when the defect is gone without creating another, and recurring root causes become platform tests.

AI joins the evidence and clusters the symptoms; specialists prove the cause on live URLs.

AI drafts the seed-source and exclusion list from the site's existing templates and URL taxonomy, cross-references crawl, index, server-log, and rendered-HTML records for each URL in the cohort, clusters repeated redirects, canonicals, directives, and rendering gaps by shared shape, sorts candidate tickets by affected URL count and recurrence, and reruns the original checks against the same cohort to flag any URL where the fixed state did not hold. It proves nothing by itself. We do not bypass authentication, crawl prohibited private data, or overload your servers, we do not treat crawler warnings as confirmed defects or inflate the total with duplicate URLs, we will not hide contradictory samples that weaken a tidy explanation, and we do not guarantee indexation or ranking gains from a finding.

Everything here is shaped to go straight into the engineering queue.

  • Audit report

    Reproducible findings register

  • Prioritized backlog

    Impact-priority backlog

  • Tracking plan

    Implementation tickets

  • Decision matrix

    Verification & recurrence record

We call it done when: The findings register, priority backlog, implementation tickets, and recurrence record are done when every finding carries its precise cohort, raw evidence, representative URLs, confidence level, counterexamples, and likely owner, the backlog ranks only reproduced findings and explains each position, every ticket names the rule or template, examples, acceptance test, protected behavior, rollout sequence, and rollback, and the record reuses the same cohort after release and converts repeated root causes into tests, rules, or ownership checks.

A lengthy crawler export is not an audit. It is the starting material for deciding which warnings are real, which repeat, and which deserve attention first.

A good fit when

  • Your crawler exports are full of warnings, but you cannot reliably separate confirmed defects from duplicates and false positives.
  • The same technical issue appears across many URLs, and you need to find out whether a shared template or rule is responsible.
  • Your engineers need tickets with precise examples, affected cohorts, acceptance tests, and a defensible priority order.

Better handled as other work when

  • You only want a crawler score or issue count, without checking the problem on live URLs and rendered states.
  • Authorized crawl, index, server, or template evidence is unavailable, and there is no technical owner who can review the findings.

If one of these is closer to your situation, start here instead: SEO Audit

We call it done when: Every high-priority finding can be reproduced on a defined cohort, each ticket names a likely root cause and an owner, and a repeat crawl says plainly whether the fix held.

  • Screaming Frog

    creates the reproducible crawl population and raw findings register

  • Sitebulb

    clusters repeated crawl warnings into likely shared template causes

  • Lumar

    tracks technical patterns across large template and release cohorts

  • PageSpeed Insights

    adds field and lab performance evidence to affected templates

  • WebPageTest

    replays rendering defects with detailed request and visual timelines

  • Google Search Console

    checks crawler findings against Google's observed URL and index state

Bring your latest crawler export, even if it's messy. We'll help you separate confirmed shared defects from noise and find the first fixes worth handing to engineering.
Turn the crawl into a backlog with Zeo

How is this different from running a crawler ourselves?

A crawler gathers possible issues. The audit checks those candidates against live URLs, index evidence, server behavior, and rendered states, groups duplicates by root cause, and sends only confirmed patterns into the engineering queue.

What do AI agents do in the audit?

Agents normalize large exports, cluster repeated states, and retain both supporting and contradictory URLs. Before any finding reaches engineering, a Zeo specialist must still reproduce it and approve its root cause and priority.

What access do you need?

We need a controlled crawl export or permission to run one, Search Console index evidence, representative server or CDN logs, and access to the relevant templates or release history for the areas in scope.

Do you check rendered pages, or just the source HTML?

Both. Source HTML and rendered HTML can disagree, and that gap is often the finding itself (a directive or link that exists in one state and not the other).