Technical SEO is the plumbing. You can write brilliant content and earn great links, but if Google can't crawl, render and index your pages efficiently, none of it ranks. For Sydney businesses competing in a crowded local market, getting the technical foundation right is often the difference between page two and page one.
Here's the checklist we run on every site — in priority order, because fixing the first three usually matters more than everything after them.
1. Don't block render-critical JavaScript or CSS
This is the mistake we see most. If your robots.txt blocks the JavaScript that builds your navigation or content, Google renders a broken, half-empty page — and can't see your links or menu. Never disallow render-critical JS or CSS in robots.txt. Better still, server-render your navigation so it's in the raw HTML.
2. Confirm your key pages are actually indexed
Open Google Search Console and check the Pages report. It's common to find half your pages sitting in 'Crawled – currently not indexed'. Resubmit your sitemap, strengthen internal links to those pages, and request indexing for the important ones.
3. Fix canonicalisation and www/non-www
Pick one canonical domain (www or apex) and 301 the other to it consistently. Make sure every page has a self-referencing canonical tag. Duplicate versions of the same page split your ranking signals.
4. Core Web Vitals — especially INP
Google measures real-user experience: Largest Contentful Paint, Cumulative Layout Shift, and Interaction to Next Paint (INP, which replaced FID). Compress images, defer non-critical scripts, and reserve space for images to avoid layout shift. Static sites on a good host usually pass easily.
5. Structured data (schema)
Add LocalBusiness, Organization, BreadcrumbList and Service schema so Google understands your entity and services. For Sydney businesses, accurate LocalBusiness schema with consistent name, address and phone reinforces local relevance.
6. A clean, complete XML sitemap
List every indexable page, keep it current, and submit it in Search Console. When you add pages, resubmit so Google re-reads it promptly rather than waiting weeks to rediscover your URLs.
7. Internal linking to money pages
Link from your blog and high-authority pages to the service pages you want to rank, using descriptive anchor text. Internal links pass ranking power and help thin or new pages get indexed and climb.
8. Mobile, HTTPS and clean URLs
Serve everything over HTTPS, make sure the mobile layout is genuinely usable, and keep URLs short and readable. These are table stakes now — miss them and you're capped before you start.
Do this in order
Technical SEO isn't glamorous, but it's high-leverage: most gains come from removing what's blocking Google rather than adding clever tricks. If you'd rather have someone run this audit for you, our technical SEO in Sydney covers every item above, and you can request a free teardown of your site.