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The behind-the-scenes factors that affect how Google finds and ranks your site — explained in plain English for non-technical business owners.

Technical SEO covers the parts of your website's health that affect how search engines can access and understand it — things that happen "under the hood," not in the content you write.

You don't need to be a developer to understand technical SEO. This guide explains the key concepts and what we handle for you.

Quick summary

Technical SEO is about making sure Google can find, access, read, and index your site without obstacles. Key areas include: your site being indexed, fast load times, mobile-friendliness, HTTPS security, and a clean URL structure. Most of this is set up once and maintained — it's our job, not yours.

Why technical SEO matters

Great content and perfect page titles won't help if Google can't access your site properly. Technical issues act like roadblocks — they prevent Google from seeing your work.

Common technical problems include:

Pages that aren't indexed (Google doesn't know they exist)
Slow load times, which cost you visitors and weaken one of the signals Google's ranking systems do use
A site that isn't mobile-friendly
Broken links leading to dead ends
The same content sitting on several URLs, so Google picks which one to show rather than you
Missing or broken sitemaps

Key technical SEO factors

Crawlability

Google's bots need to be able to crawl (visit) your pages. Obstacles include:

A misconfigured robots.txt file that accidentally blocks Google
Pages that require a login to access
Broken links leading to error pages (404s)
Server or network problems — Google lists both as reasons it can't crawl a page, and it deliberately slows down when a site returns errors
Pages with no links pointing to them, since Google says it "primarily finds pages through links from other pages it already crawled"

Indexability

Once Google crawls a page, it decides whether to index it — and it warns that "indexing isn't guaranteed; not every page that Google processes will be indexed." The common indexing problems it names are:

The quality of the content on the page is low
A robots meta rule, such as "noindex", tells Google not to index it (a common accidental mistake)
The design of the website makes indexing difficult

Where two pages carry the same or near-identical content, Google clusters them and picks one — the canonical — to show. That's not a penalty, but it does mean the version you'd have chosen may not be the one that appears.

Site speed

Speed does count. Google's Core Web Vitals measure real-world loading, responsiveness and visual stability, and Google says plainly that "Core Web Vitals are used by our ranking systems." It also says there is no single "page experience signal", and that a slow page can still win if it's the most relevant answer — so treat speed as one lever among several, not a switch.

See the dedicated guide: Site speed & SEO.

Mobile-friendliness

Google uses mobile-first indexing: in its words, "Google uses the mobile version of a site's content, crawled with the smartphone agent, for indexing and ranking." A mobile version isn't strictly required for your content to appear in search results, but Google very strongly recommends one — and if your mobile pages show less than your desktop pages, Google has less to work with.

See: Mobile-friendliness & SEO.

HTTPS and security

Your site should load over HTTPS — addresses on a secure site start with https://. Google announced HTTPS as a ranking signal back in 2014 and described it then as "only a very lightweight signal — affecting fewer than 1% of global queries, and carrying less weight than other signals such as high-quality content." The day-to-day reason matters more: Google says sites that use plain HTTP "can be marked as 'not secure' in the Chrome browser", which is not what you want a first-time visitor to see.

See: What is SSL & HTTPS?.

Structured data (schema markup)

Structured data is code added to your site that gives Google extra information about your content — like marking up a recipe, a business address, or product details. Google's own description: adding it "can enable search results that are more engaging to users and might encourage them to interact more with your website, which are called rich results."

Which rich results exist changes over time, so don't assume a feature you've read about is still live. Google removed the FAQ rich result, for example: it stopped showing in search results in May 2026, and Google has since deleted the documentation for it.

This is a more advanced topic that we handle during site builds.

Sitemaps

A sitemap is a file listing the pages on your site that you want search engines to know about. Submitting it in Google Search Console helps Google discover your content, though it doesn't guarantee anything gets indexed.

Canonical tags

A canonical tag is code that tells Google which version of a page you consider the "main" one — useful when similar content exists at multiple URLs. It's worth setting, but Google is clear that "indicating a canonical preference is a hint, not a rule": it may still pick a different page. Duplicate content isn't a spam violation either, so this is about tidiness and control, not avoiding a penalty.

What we handle for you

Most technical SEO is set up during the initial build of your site and maintained as part of ongoing care. We take care of:

Sitemap creation and submission
Robots.txt configuration
HTTPS setup and renewal
Redirects when URLs change
Fixing crawl errors and broken links
Site speed optimization
Structured data markup

If you're curious about the technical health of your site, we can run a full audit and walk you through the findings.

Common questions

How do I know if my site has technical SEO problems?

Google Search Console (a free tool) is where the evidence lives. The Page indexing report shows which pages are and aren't indexed and why; the Core Web Vitals report shows how your pages perform for real visitors; the Sitemaps report shows whether Google could read your sitemap. We monitor these for you. If you want to see it yourself, ask us to walk you through your Search Console account.

My site is on WordPress. Does it handle technical SEO automatically?

WordPress provides a good foundation, but many technical SEO settings need to be configured — especially through an SEO plugin (like Yoast or Rank Math), a caching plugin, and correct permalink settings. We set these up as part of every WordPress project.

What is a 301 redirect and do I need them?

A 301 redirect is an instruction that sends visitors (and Google) from an old URL to a new one permanently. You want them any time a page URL changes, a page is deleted, or a site is relaunched. Google says "301 and other permanent redirects don't cause a loss in PageRank", and that keeping them in place — it suggests at least a year — is what lets Google transfer the old URL's signals to the new one. Skip the redirect and the old address simply returns an error, taking whatever value it had with it.

What are core web vitals?

Core Web Vitals are a set of metrics that measure real-world experience on your pages: loading performance, responsiveness, and visual stability. Google says they "are used by our ranking systems." We address these as part of performance optimization work. You can learn more in the performance section.

Need a hand?

If you're stuck, email support@chykalophia.com and we'll help. Include your website address and a screenshot if you can.

Technical SEO basics