No matter how strong your content strategy is, technical issues can stop Google from crawling and ranking your site correctly. Technical SEO is invisible, but its effect is direct. Here are the 12 things worth reviewing regularly.
Why Technical SEO Matters
Google crawls your site, then indexes it, then ranks it. A technical blocker at any one of those three stages can keep even your best content from ever getting visibility. Technical SEO is the infrastructure that gets your content in front of Google in the first place.
1. Site Speed and Core Web Vitals
LCP, INP, and CLS directly affect both user experience and rankings. Check them regularly with Google PageSpeed Insights or the Core Web Vitals report in Search Console.
2. Mobile-Friendliness
Google uses mobile-first indexing. Your mobile version needs to show the same content and structured data as desktop.
3. XML Sitemap
Your sitemap tells Google which pages matter and when they were last updated. Keep it current and submitted to Search Console.
4. Correct Robots.txt Configuration
A misconfigured robots.txt can accidentally block important pages from being crawled. Block admin areas, but make sure your actual content pages stay open.
5. Canonical URLs
If the same content is reachable through multiple URLs without a canonical tag, Google has to guess which one is the "real" page — which usually splits your ranking strength.
6. Structured Data (Schema Markup)
JSON-LD structured data helps Google understand your content and can unlock rich results. Organization, Product, Article, and FAQ schema are the most commonly used.
7. Broken Links and 404s
Broken internal links hurt both user experience and crawl budget. Check regularly with a crawling tool and fix with 301 redirects.
8. HTTPS and Security
HTTPS is both a ranking factor and a baseline trust signal at this point. Check certificate validity and watch for mixed-content warnings.
9. URL Structure
Short, descriptive, consistent URLs are more readable for both users and search engines. Avoid unnecessary parameters and deeply nested folder structures.
10. Internal Linking Strategy
The more relevant internal links a page gets, the more clearly Google understands its importance. Don't forget to link back to relevant older pages whenever you publish something new.
11. Duplicate Content
The same or near-identical content repeated across multiple pages confuses Google about which one to rank. This risk is especially high on product and category pages.
12. Google Search Console Monitoring
Search Console is the most direct view of how Google actually sees your site. Indexing errors, click-through rates, and search queries should all be reviewed there regularly.
Conclusion
Technical SEO isn't a one-time project — it's ongoing maintenance. Reviewing these 12 items periodically is what makes sure your content and marketing work actually pays off. For an e-commerce-specific strategy, see our e-commerce SEO post, or talk to us about assessing your site's technical SEO through our digital marketing services.
Frequently Asked Questions
How often should I check these 12 items?
Site speed and Search Console errors are worth checking monthly; sitemap and canonical structure mainly need review after major content or structural changes.
Do all of these apply to a small site too?
Yes, they apply regardless of scale — though setup and maintenance take far less time on a small site.
How fast do technical SEO fixes affect rankings?
Crawl and indexing fixes can show impact within a few weeks; canonical and internal-linking changes can take 1-3 months for their full effect to show.
Is adding schema markup mandatory?
Not mandatory, but it meaningfully raises your odds of earning rich results (star ratings, FAQ dropdowns, and similar).