Technical SEO checklist for marketing sites in Australia

Pull up Google Search Console for a national brand site on a Thursday afternoon in Melbourne. Impressions look healthy. Clicks are flat. The money pages (pricing, demo, location hubs, comparison content) sit three hops deep behind a blog that ate the crawl budget last quarter. Paid search is still doing the heavy lifting at roughly three dollars a click while organic should have been compounding. That gap is almost never a “we need more content” problem first. It is a technical SEO problem with a marketing cost attached.

Another tactics list will not fix it. A scored audit will. You inspect what Google can fetch, render, index, and trust on Australian marketing sites, you mark each item pass / weak / fail, and you order repairs so developers are not thrashing on vanity tickets while index bloat and broken canonicals keep bleeding qualified traffic.

This checklist is written for CMOs, heads of growth, and founders who own the marketing number in AUD, not for hobbyist SEO theatre. You will leave with a scorecard you can run this week, a clear priority stack, and a 30-day repair sequence that protects pipeline contribution from organic, not just rankings screenshots.

The crawl and index leaks that quietly cap Australian organic pipeline

Marketing sites in Australia fail technical SEO in predictable places. Multi-city service pages for Sydney, Brisbane, and Perth share thin templates with near-duplicate H1s. Staging subdomains still allow indexing after a redesign. JS-heavy landing pages ship beautiful Lighthouse screenshots from a desktop lab while real mobile users on NBN edge cases wait on Interaction to Next Paint. Faceted blog filters spawn thousands of soft-404 parameter URLs. GST-inclusive pricing blocks load late and shove the primary CTA below the fold on phone.

HTTP Archive data shows fewer than 60% of origins pass all three Core Web Vitals. That is a majority fail or partial fail world. AI Overviews now sit across a large share of informational queries, so the pages that still earn the click have to load cleanly, answer intent fast, and look trustworthy. Zero-click pressure makes technical hygiene non-negotiable: if you win the impression and lose the experience, you paid for visibility you never banked as a lead.

Use the scorecard below as a self-audit. Each item is something you can inspect this week with Search Console, CrUX / field data, a crawl, and a handful of free checks. Score honestly. Marketing leaders who mark everything “fine” usually discover the fail in month four when content velocity went up and organic SQL did not.

Audit scorecard

• 1 Index coverage vs. intentional URL inventory Export Search Console pages and compare indexed URLs to the URL set you actually want ranked: primary service, product, industry, location, and conversion templates. Good looks like indexed count close to that inventory, with known exclusions (params, thank-you, staging). Fail is thousands of soft-indexed filters, old campaign LPs, or PDF dumps competing with money pages. Cost of fail: crawl budget and internal PageRank diluted across junk, so your best AU landing pages refresh slower and rank softer even when content is solid.

Export Search Console pages and compare indexed URLs to the URL set you actually want ranked: primary service, product, industry, location, and conversion templates. Good looks like indexed count close to that inventory, with known exclusions (params, thank-you, staging). Fail is thousands of soft-indexed filters, old campaign LPs, or PDF dumps competing with money pages. Cost of fail: crawl budget and internal PageRank diluted across junk, so your best AU landing pages refresh slower and rank softer even when content is solid.

• 2 robots.txt and sitemap honesty Open robots.txt and the XML sitemaps submitted in Search Console. Good: disallow only true dead ends (cart internals, admin, pure search result pages), sitemap lists only 200 canonical indexables, lastmod is truthful, and sitemap count matches reality within a sensible band. Fail: blocking CSS/JS needed for rendering, sitemap still listing 404s and redirects, or no sitemap for a 500+ URL marketing site. Cost of fail: Google discovers the wrong graph of your site while your intended pages wait in “Discovered - currently not indexed” limbo.

Open robots.txt and the XML sitemaps submitted in Search Console. Good: disallow only true dead ends (cart internals, admin, pure search result pages), sitemap lists only 200 canonical indexables, lastmod is truthful, and sitemap count matches reality within a sensible band. Fail: blocking CSS/JS needed for rendering, sitemap still listing 404s and redirects, or no sitemap for a 500+ URL marketing site. Cost of fail: Google discovers the wrong graph of your site while your intended pages wait in “Discovered - currently not indexed” limbo.

• 3 Canonical consistency on templates that multiply Pick your top templates: homepage, service hub, city page, blog post, gated resource. View-source or inspect the rel=canonical on live URLs, including with UTM and trailing-slash variants. Good: self-referencing canonical to the preferred HTTPS host, one host (www or bare), consistent slash policy, parameter URLs pointing at clean parents. Fail: canonical pointing at HTTP, cross-template collisions, or CMS plugins writing canonicals to the wrong environment after a migration. Cost of fail: split equity across near-duplicates and unstable rankings on competitive AU commercial terms.

Pick your top templates: homepage, service hub, city page, blog post, gated resource. View-source or inspect the rel=canonical on live URLs, including with UTM and trailing-slash variants. Good: self-referencing canonical to the preferred HTTPS host, one host (www or bare), consistent slash policy, parameter URLs pointing at clean parents. Fail: canonical pointing at HTTP, cross-template collisions, or CMS plugins writing canonicals to the wrong environment after a migration. Cost of fail: split equity across near-duplicates and unstable rankings on competitive AU commercial terms.

• 4 HTTPS, host, and redirect chains Hit apex and www, HTTP and HTTPS, with and without trailing slash, on five commercial URLs. Good: single hop to the canonical HTTPS URL, HSTS where appropriate, no mixed content on forms. Fail: two-to-four hop chains through old CDN hosts, seasonal campaign domains, or a leftover .com.au vs brand domain tangle. Cost of fail: diluted link signals, slower first load, and occasional cookie or tracking breakage that quietly ruins conversion attribution from organic.

Hit apex and www, HTTP and HTTPS, with and without trailing slash, on five commercial URLs. Good: single hop to the canonical HTTPS URL, HSTS where appropriate, no mixed content on forms. Fail: two-to-four hop chains through old CDN hosts, seasonal campaign domains, or a leftover .com.au vs brand domain tangle. Cost of fail: diluted link signals, slower first load, and occasional cookie or tracking breakage that quietly ruins conversion attribution from organic.

• 5 Core Web Vitals on money templates (field, not vanity lab) Check CrUX / Search Console experience for LCP, INP, and CLS on the templates that generate MQLs and demo requests, segmented mobile vs desktop. Good: money templates pass in the field for AU traffic, LCP content is real hero or H1-adjacent proof, INP stays responsive on form-heavy pages. Fail: lab green, field red; third-party chat, tag managers, and unoptimised hero video crushing LCP on mobile where most research starts. Cost of fail: ranking drag plus conversion loss on the same sessions. When paid CPC is climbing, every organic session you bounce is expensive.

Check CrUX / Search Console experience for LCP, INP, and CLS on the templates that generate MQLs and demo requests, segmented mobile vs desktop. Good: money templates pass in the field for AU traffic, LCP content is real hero or H1-adjacent proof, INP stays responsive on form-heavy pages. Fail: lab green, field red; third-party chat, tag managers, and unoptimised hero video crushing LCP on mobile where most research starts. Cost of fail: ranking drag plus conversion loss on the same sessions. When paid CPC is climbing, every organic session you bounce is expensive.

• 6 Mobile usability of lead capture Complete the primary conversion path on a mid-tier Android phone on cellular: book a demo, request a quote, download a guide, or start a trial. Good: form fields usable, sticky bars do not hide CTAs, click-to-call where local intent matters, no horizontal scroll, GST and pricing clarity without layout shift. Fail: desktop-only mega menus, calendars that break, or Instant-form-style expectations on a page that was never rebuilt for thumb use. Cost of fail: organic traffic that looks “engaged” in GA4 and never becomes pipeline.

Complete the primary conversion path on a mid-tier Android phone on cellular: book a demo, request a quote, download a guide, or start a trial. Good: form fields usable, sticky bars do not hide CTAs, click-to-call where local intent matters, no horizontal scroll, GST and pricing clarity without layout shift. Fail: desktop-only mega menus, calendars that break, or Instant-form-style expectations on a page that was never rebuilt for thumb use. Cost of fail: organic traffic that looks “engaged” in GA4 and never becomes pipeline.

• 7 Title, H1, and meta description discipline Sample 25 URLs across commercial and supporting content. Good: unique titles that match intent, one clear H1, meta descriptions written for SERP CTR without keyword stuffing, brand present but not eating the offer. Fail: duplicate titles across city pages, missing H1s on SPA routes, or CMS defaults like “Untitled” still live. Cost of fail: weaker CTR at the same impression level, which is how “we rank but traffic is soft” shows up in board packs.

Sample 25 URLs across commercial and supporting content. Good: unique titles that match intent, one clear H1, meta descriptions written for SERP CTR without keyword stuffing, brand present but not eating the offer. Fail: duplicate titles across city pages, missing H1s on SPA routes, or CMS defaults like “Untitled” still live. Cost of fail: weaker CTR at the same impression level, which is how “we rank but traffic is soft” shows up in board packs.

• 8 Structured data that matches the visible offer Validate Organisation, WebSite, FAQ, Article, Product/Service, and LocalBusiness (when you truly have local entities) with a schema checker. Good: markup mirrors on-page facts, prices and availability are accurate in AUD where used, FAQ schema only on real FAQs. Fail: leftover Product schema on lead-gen services, fake review stars, or LocalBusiness on a pure national brand page with no service area truth. Cost of fail: rich result loss or manual quality risk, plus confused entity signals when AI systems cite you.

Validate Organisation, WebSite, FAQ, Article, Product/Service, and LocalBusiness (when you truly have local entities) with a schema checker. Good: markup mirrors on-page facts, prices and availability are accurate in AUD where used, FAQ schema only on real FAQs. Fail: leftover Product schema on lead-gen services, fake review stars, or LocalBusiness on a pure national brand page with no service area truth. Cost of fail: rich result loss or manual quality risk, plus confused entity signals when AI systems cite you.

• 9 Internal linking from authority hubs to conversion URLs From homepage, main nav, and top organic landing pages, count clicks to your highest-value conversion URLs. Good: commercial pages reachable in one or two clicks, contextual links from high-traffic guides, orphaned service pages fixed. Fail: blog silos that never point to demos or pricing, footer-only links, or 40-item megamenus that bury the offer. Cost of fail: Google treats supporting content as the centre of the site; your pipeline pages stay thin on discovery and equity.

From homepage, main nav, and top organic landing pages, count clicks to your highest-value conversion URLs. Good: commercial pages reachable in one or two clicks, contextual links from high-traffic guides, orphaned service pages fixed. Fail: blog silos that never point to demos or pricing, footer-only links, or 40-item megamenus that bury the offer. Cost of fail: Google treats supporting content as the centre of the site; your pipeline pages stay thin on discovery and equity.

• 10 Pagination, facets, and parameter hygiene If you run resources hubs, job boards, product filters, or multi-tag blogs, crawl with parameters on. Good: clear canonical or noindex strategy for filters, useful paginated series handled consistently, Search Console parameter explosion absent. Fail: infinite calendar and tag combinations indexed, each with thin unique text. Cost of fail: index bloat that makes every new genuine page harder to get crawled promptly after publish.

If you run resources hubs, job boards, product filters, or multi-tag blogs, crawl with parameters on. Good: clear canonical or noindex strategy for filters, useful paginated series handled consistently, Search Console parameter explosion absent. Fail: infinite calendar and tag combinations indexed, each with thin unique text. Cost of fail: index bloat that makes every new genuine page harder to get crawled promptly after publish.

• 11 JavaScript rendering and critical content in the initial response Compare “view source” or first HTML to the rendered DOM for H1, primary copy, and main CTA on two JS-heavy templates. Good: critical commercial copy available without depending on fragile client render, soft navigation does not break unique titles. Fail: empty shells until JS runs, or different content for bots vs users. Cost of fail: intermittent indexing and “why is this page not ranking when it looks fine in Chrome” tickets that burn weeks.

Compare “view source” or first HTML to the rendered DOM for H1, primary copy, and main CTA on two JS-heavy templates. Good: critical commercial copy available without depending on fragile client render, soft navigation does not break unique titles. Fail: empty shells until JS runs, or different content for bots vs users. Cost of fail: intermittent indexing and “why is this page not ranking when it looks fine in Chrome” tickets that burn weeks.

• 12 International and AU locale signals without self-sabotage If you also serve NZ, UK, US, or global brands, inspect hreflang, locale folders, and currency/language consistency. Good: reciprocal hreflang including x-default, AU pages in Australian English with local proof and AUD where prices appear, no accidental US spelling clusters ranking on .com.au. Fail: missing return tags, AU pages canonicalised to US, or three English variants competing. Cost of fail: the wrong market page ranks for Australian intent and conversion rates fall even when traffic “looks global and healthy.”

If you also serve NZ, UK, US, or global brands, inspect hreflang, locale folders, and currency/language consistency. Good: reciprocal hreflang including x-default, AU pages in Australian English with local proof and AUD where prices appear, no accidental US spelling clusters ranking on .com.au. Fail: missing return tags, AU pages canonicalised to US, or three English variants competing. Cost of fail: the wrong market page ranks for Australian intent and conversion rates fall even when traffic “looks global and healthy.”

• 13 Log-level or server evidence that Googlebot reaches priority URLs Where you can, sample server or CDN logs for Googlebot hits on new and updated commercial URLs over 14 days. Good: fresh money pages fetched after publish or substantive update, 5xx rates low, soft blocks absent. Fail: bot never reaches new LPs, WAF false positives, or crawl trapped in faceted loops. Cost of fail: content teams ship while discovery never happens; leadership blames “SEO doesn’t work” when fetch is the bottleneck.

Where you can, sample server or CDN logs for Googlebot hits on new and updated commercial URLs over 14 days. Good: fresh money pages fetched after publish or substantive update, 5xx rates low, soft blocks absent. Fail: bot never reaches new LPs, WAF false positives, or crawl trapped in faceted loops. Cost of fail: content teams ship while discovery never happens; leadership blames “SEO doesn’t work” when fetch is the bottleneck.

• 14 Analytics and Search Console wiring for organic decisions Confirm GA4 (or equivalent) organic landing page reports, Search Console property set (domain vs URL prefix) matches the live host, and conversions fire on thank-you states without double counts. Good: you can name cost per qualified lead from organic by template, not only sessions. Fail: missing GSC on the www host you actually use, filtered bot noise, or tag issues after a GTM rebuild. Cost of fail: you optimise the wrong pages and cannot defend SEO budget when paid teams show cleaner ROAS dashboards.

Confirm GA4 (or equivalent) organic landing page reports, Search Console property set (domain vs URL prefix) matches the live host, and conversions fire on thank-you states without double counts. Good: you can name cost per qualified lead from organic by template, not only sessions. Fail: missing GSC on the www host you actually use, filtered bot noise, or tag issues after a GTM rebuild. Cost of fail: you optimise the wrong pages and cannot defend SEO budget when paid teams show cleaner ROAS dashboards.

If several of those already feel red, do not wait for a full content roadmap. A focused technical SEO pass on indexation and Core Web Vitals often unlocks more pipeline than another quarter of unfocused blogging.

DIY tools for this scorecard

• Core Web Vitals checker

• robots.txt checker

• Sitemap checker

• Canonical checker

• Google index checker

• Schema markup validator

• H1 checker

• Title tag checker

Mark pass, weak, or fail without turning it into theatre

Keep the scoring rule simple so the leadership team can read it in one sitting.

• Pass: Evidence in the last 30 days that the control works on live money templates, not only on a staging checklist.

• Weak: Partially true (some templates fine, commercial set broken) or only lab-green with soft field data.

• Fail: Broken on primary conversion templates, or actively creating index / crawl harm.

Weight fails by revenue proximity, not SEO purity. A fail on canonicals for pricing and demo URLs outranks a weak blog schema issue. A fail on mobile form INP outranks a missing Article type on the newsroom. Tracking and index truth outrank new content production. Intent alignment of titles outranks decorative internal-link widgets.

Fix order that usually saves Australian marketing sites from thrash:

• Host, HTTPS, robots, sitemap, canonical (stop the bleeding).

• Index bloat and parameter / facet junk (restore crawl focus).

• Core Web Vitals and mobile conversion path on top landing pages.

• Titles, H1s, internal links on commercial clusters.

• Schema accuracy and hreflang / locale cleanup.

• Only then scale publishing velocity.

Plenty of teams reverse that list. They fund a content sprint while Search Console still shows the wrong host and a sitemap full of 301s. Traffic stalls, someone blames algorithm updates, and the technical debt compounds under a fresh coat of posts. AI-assisted drafting is now widespread in content production - which means raw content volume is cheap and the differentiator is information gain on a site Google can trust and users can complete. Technical SEO is how that trust shows up in fetch, render, and experience metrics.

When you brief engineering, attach the scored item, the URL evidence, the expected “done” state, and the marketing metric you expect to move (indexed money URLs, LCP on /pricing/, organic form starts). Tickets without that framing get deprioritised behind product work, and you are back in six weeks with the same red scorecard.

Four weeks of repairs that clear the scorecard instead of a new strategy deck

This is not a rebrand. It is ordered remediation. Adjust intensity to site size, but keep the sequence.

30-day repair playbook

• 1Days 1-3 - Baseline pack. Domain property in Search Console confirmed. Export coverage, experience, and top landing pages. Crawl the live host. Screenshot robots, sitemaps, and five redirect chains. Score all 14 items. Share a one-page heat map with marketing and engineering owners named.

• 2Days 4-10 - Access and discovery fixes. Correct robots blocks that hide assets or money paths. Rebuild sitemap to indexable 200s only. Collapse redirect chains. Force HTTPS host consistency. Submit updated sitemap. Verify Googlebot can fetch priority URLs (GSC URL inspection + logs if available).

• 3Days 8-16 - Index diet. noindex or canonical parameter junk, retire zombie campaign LPs, fix soft 404s, resolve duplicate city or tag templates. Target a measurable drop in “crawled - currently not indexed” noise and a cleaner indexed set aligned to your intentional inventory.

• 4Days 12-22 - Experience on revenue templates. Attack LCP (hero weight, font, server TTFB, critical CSS), INP on forms, CLS from late banners and GST callouts. Re-test mobile conversion path. Do not widen scope to the entire blog until /pricing/, /demo/, and top service hubs pass field thresholds.

• 5Days 18-26 - On-page technical layer. Unique titles and H1s on commercial set, meta descriptions rewritten for CTR, internal links from top organic articles to conversion URLs, schema validated and trimmed of lies. Align AU spelling and proof on pages that win local commercial queries.

• 6Days 24-30 - Measurement and cadence. Confirm organic landing-page to qualified-lead reporting. Schedule a monthly re-score of the 14 items. Only after index and CWV are stable, turn publishing back up. If you need sustainable niche-and-region article flow without ballooning headcount, pair the clean technical base with HeyLead Auto Blogger under human strategy so new URLs inherit the same canonical, template, and internal-link rules you just fixed.

Example pattern we see on mid-market B2B sites serving Australia from a single .com.au: after a Webflow or headless relaunch, canonicals pointed at a preview host for eleven days, sitemap listed both hosts, and blog tags indexed ~2,400 thin URLs. Organic demo requests did not collapse overnight. They plateaued while paid picked up the slack. The fix was not “more thought leadership.” It was host consolidation, sitemap rebuild, tag noindex, and LCP work on the demo template. Pipeline contribution from organic resumed climbing only after those repairs landed, then content velocity mattered again.

Another common failure: national brand plus city pages for Sydney, Melbourne, Brisbane, Perth, Adelaide, and the Gold Coast, all sharing the same 90-word blurb and identical title pattern. Google keeps one and ignores the rest. Technical SEO here includes template differentiation rules, unique proof (strata case notes, local response SLAs, state licensing where relevant), and internal links from genuine local resources, not just a map widget. Treat thin local templates as a fail on items 7, 9, and sometimes 8, not as a content-only ticket.

If your team is drowning in tooling debates, stay boring. Search Console, a crawler, CrUX, and the free checkers above beat a shelf of unused enterprise licences. Re-score in 30 days. Anything still fail on money templates stays at the top of the backlog. Anything pass gets monitored, not endlessly re-debated.

Need a second pair of eyes on whether the scorecard matches what will actually move qualified pipeline? HeyLead’s AU technical SEO service is built around this kind of audit-to-repair loop, not a static PDF of generic recommendations.

What marketing leaders are seeing

“We kept funding two blog posts a week while Search Console showed our demo URL as ‘Discovered - currently not indexed’ for months. The day we fixed the sitemap and canonical host, crawl picked up within a fortnight and organic demo starts finally moved. Content was never the first bottleneck.” - Head of Growth, B2B SaaS

“Field LCP on our pricing page was sitting well over four seconds on mobile after a tag audit went sideways. Paid looked expensive; organic looked ‘fine’ on desktop screenshots. Splitting the problem by template and fixing INP on the form did more for cost per qualified lead than another keyword workshop.” - CMO, professional services

FAQs

How often should a marketing site in Australia re-run this technical SEO checklist?

Full scorecard monthly if you ship weekly changes, or after any CMS, CDN, GTM, or redesign release. Spot-check index coverage and CWV weekly on top landing pages. Waiting for a quarterly “SEO review” is how silent robots and canonical regressions survive for a full quarter of wasted content spend.

Is technical SEO still worth it when AI Overviews reduce clicks?

Yes. Zero-click SERPs raise the bar on the clicks you still get. Slow, confusing, or poorly indexed pages waste rarer visits. Technical health also supports entity clarity and eligibility for richer results. You cannot out-write a site Google struggles to fetch.

What should we fix first if budget only covers two weeks of engineering?

Host/HTTPS/robots/sitemap/canonical consistency, then index bloat on non-money URLs, then CWV and form usability on the top three conversion templates. Skip net-new design flourishes until those pass.

Do we need enterprise log analysis for this checklist?

Not on day one. Search Console URL inspection, coverage reports, and a quality crawl cover most marketing sites. Add logs when you have stubborn “not indexed” issues on priority URLs or suspected WAF blocking.

Where does content strategy fit relative to this audit?

After the site can be crawled, indexed, and converted on mobile. Then build intent clusters and publishing cadence. Technical debt under high publishing volume multiplies waste; technical hygiene under smart content multiplies return.

Putting it to work

This week

• Export Search Console coverage and top 20 organic landing pages by clicks.

• Score all 14 checklist items pass / weak / fail with URL evidence.

• Run robots, sitemap, canonical, CWV, H1, and title checks on your homepage, pricing/demo, and two service hubs.

• List redirect chains longer than one hop on those same URLs.

• Book engineering time against the top three fails only (no kitchen-sink ticket).

• Write the “done” definition for each fail in one sentence tied to a marketing metric.

Next 30 days

• Ship access and index-diet repairs before any content velocity increase.

• Clear CWV and mobile form issues on revenue templates.

• Clean titles, internal links, and schema on the commercial set.

• Re-score the card and compare indexed inventory to your intentional URL list.

• Only then scale publishing, with template rules that prevent the old bloat from returning.

Start by marking each of the 14 items with evidence from the live .com.au host, not from staging memory, and put the worst revenue-proximate fails at the top of the engineering queue before you approve another content batch. When the hard part is keeping crawl, indexation, Core Web Vitals, and commercial templates honest while the market and the CMS keep moving, a partner like HeyLead can own that technical SEO repair loop end to end so your team stays on offer, positioning, and pipeline targets - reach out on [email protected].