What is technical SEO?
Technical SEO is the part of search optimisation that concerns how a website is built and served, rather than what it says. It decides whether a search engine can find your pages, render them correctly, understand them and trust the connection.
Content and links can only help pages that clear these basics. That is why a technical review comes first in most projects, and why our technical SEO service starts with an audit. For the wider picture, see what makes a website SEO-friendly.
Crawling and indexing checklist
These items decide whether pages can appear in search at all. Review them first.
| Check | What to look for | Tool |
|---|---|---|
| robots.txt | Important folders are allowed, no accidental block of the whole site, sitemap location listed | Search Console robots report, browser |
| XML sitemap | Lists only live, indexable, canonical pages and is submitted to Search Console | Search Console Sitemaps report |
| Indexing status | Key pages are indexed, and exclusions have a reason you understand | Search Console Pages and URL Inspection |
| noindex and headers | No noindex on pages you want found, including leftovers from staging | Page source, URL Inspection |
| Canonical tags | Each page points to its preferred address, with consistent trailing slash and protocol | Page source, crawler |
| Duplicate content | No near-identical pages on several URLs, parameters handled, versions of the domain redirect to one | Crawler, Search Console |
| Redirects | Permanent redirects, no chains or loops, old URLs map to relevant pages | Crawler |
| Status codes | No important pages returning errors, and broken links fixed | Search Console, crawler |
| Internal linking | No orphan pages, important pages a few clicks from the homepage | Crawler |
Speed, mobile and security checklist
| Area | What to look for | Tool |
|---|---|---|
| Core Web Vitals | Good LCP, INP and CLS on real mobile users. See how speed affects SEO | PageSpeed Insights, Search Console Core Web Vitals report |
| Page weight | Images compressed and sized correctly, unused scripts and styles removed | Lighthouse, PageSpeed Insights |
| Mobile usability | Responsive layout, readable text, tap targets spaced, same content as desktop | Lighthouse, a real phone |
| Rendering | Key content and links appear without needing user action or slow scripts | URL Inspection live test |
| HTTPS | Whole site on HTTPS, valid certificate, no mixed content, HTTP redirects to HTTPS | Browser, Lighthouse |
| Security basics | Software updated, backups in place, forms protected from spam | Hosting panel, website maintenance |
| Hosting | Reliable, reasonably fast servers near your main audience | PageSpeed Insights, hosting reports |
Structured data and international checklist
| Area | What to look for | Tool |
|---|---|---|
| Organisation schema | Name, logo, contact details and profile links match what is visible | Schema validators, Search Console enhancements |
| Page-level schema | Breadcrumb, article, service and FAQ markup only where the page really shows that content | Schema validators |
| Local business details | Name, address, phone and hours consistent across site and Business Profile | Manual check |
| hreflang | For multi-language or multi-country pages, each version references the others with correct codes | Crawler, Search Console |
| Language and region targeting | Separate URLs per language, such as English and Arabic, with translated titles and content | Manual check |
| Metadata | Unique titles and descriptions, one H1 per page, social sharing image | Crawler |
The structured data vocabulary is documented at schema.org. Validate every template before launch.
How should you prioritise technical SEO fixes?
A long list of issues is normal. Order the work by impact and effort.
Fix what blocks indexing
Noindex tags, robots blocks, broken canonicals and server errors come first. A page that is not indexed earns nothing.
Fix what affects your money pages
Service, product and location pages matter more than old blog tags. Work from commercial pages outward.
Fix site-wide speed and mobile issues
A change to a template improves hundreds of pages at once, so it often beats single-page tuning.
Add structured data and clean metadata
These improve how pages are understood and displayed, and are quick when templates are well built.
Re-audit on a schedule
Sites change. Re-check Search Console and a crawl after major updates and at regular intervals.
Which tools do you need?
You can run most of this checklist with free tools. Google Search Console shows indexing, sitemaps, Core Web Vitals and search queries. PageSpeed Insights and Lighthouse test speed and basic quality on a given page. A site crawler is useful for finding broken links, redirects and missing tags across the whole site.
Tools find symptoms. Judging the cause, and changing templates, servers and code to fix it, takes a developer. If you want help, our Google Search Console set-up service gets monitoring in place, and SEO services cover the ongoing work. We do not promise rankings from fixes alone, because technical SEO removes obstacles and does not replace useful content.
Technical SEO checklist: common questions
What is included in a technical SEO audit?
Crawl and index review, robots and sitemap checks, canonical and redirect analysis, speed and Core Web Vitals, mobile usability, HTTPS, structured data, and for multilingual sites hreflang. The output should be a prioritised list, not just a score.
How often should I run a technical SEO check?
Check Search Console regularly, and run a fuller audit after redesigns, migrations or large content changes, then at intervals that suit how often the site changes.
Do small business websites need technical SEO?
Yes, though the list is shorter. A small site still needs to be indexable, fast on mobile, secure and clearly structured. Many small sites lose visibility to a single stray noindex tag or slow images.
What is hreflang and when do I need it?
Hreflang is markup that tells Google which language or country version of a page to show. You need it when you publish equivalent pages in several languages or regions, such as English and Arabic versions for the UAE.
Is an XML sitemap required?
Not strictly, since search engines can find pages through links. But a clean sitemap helps discovery, especially on new or large sites, and gives you indexing reports in Search Console.
Can I do technical SEO myself?
You can check many items yourself with free tools. Fixing rendering, templates, redirects and server settings usually needs a developer. See our technical SEO service.
Which technical issue should I fix first?
Anything stopping important pages from being indexed, such as noindex tags, robots blocks, redirect loops or server errors. Speed and schema improvements come after that.