Technical SEO basics: best practices from OnePix

What does technical SEO include and why you should care about it from the start

14th November, 2025
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Imagine this: your website is live, content uploaded, and you bring in an SEO specialist — only to find out that pages aren’t being indexed and Google PageSpeed shows a red zone. Now you have to spend more time and money fixing issues that could have been avoided during development: broken links, duplicate pages, slow loading speeds.

At OnePix, years of experience have shaped our approach to SEO. For us, technical search engine optimization is not a separate service but an integral part of development. This approach makes every website ready for growth and promotion from day one — something our clients’ SEO specialists always appreciate. In this technical SEO guide, we’ll explain what exactly we include in our projects to make your website easier to promote in the future.

The OnePix philosophy

Technical SEO ensures clean, understandable code, proper page structure, and stable performance. It helps search engines read your site correctly and provides users with a smooth experience — creating the foundation without which any promotion loses meaning.

We don’t separate “development” from “optimization” because one doesn’t work without the other. A site must be built correctly from the inside — only then can it grow.

We’re not an SEO agency and don’t handle promotion directly, but we understand how search engines read websites and what prevents them from indexing properly. That’s why technical SEO best practices are integrated into our workflow at every stage — from layout to testing.

At each stage, the team works with SEO requirements in mind:

  • during estimation, we include SEO tasks in the project scope,
  • developers write code following SEO checklists,
  • QA specialists verify compliance and site stability,
  • developers make adjustments based on testing results,
  • team leads ensure every technical detail reaches the release.

That’s how we build websites where technical SEO basics are embedded from day one — not added at the end.

What does technical SEO include

We follow a clear list of technical SEO elements, developed through experience and feedback from SEO professionals. This checklist is a standard part of our process — every item is discussed with the client during the specification phase and implemented from the very start.

Clients can skip some items from our SEO checklist, but in practice, almost everyone agrees to the full list — because these elements are essential for the website’s performance in the long run.

Artem Beliakov

Block 1. Infrastructure and accessibility

We make sure both users and search engines never get lost.

What we doWhy it matters for your business
Human-friendly URLsClean, logical URLs make navigation easier for users and search engines.
robots.txtDefines which pages search engines should or shouldn’t index.
XML and HTML sitemapsHelp search engines crawl and index your website effectively.
FaviconIncreases brand visibility in browsers and search results.
HTTPSSecures user data and boosts trust with search engines.
Custom 404 pageKeeps users on your site even when a page is deleted or renamed.

Block 2. Structure and microdata

We help search engines understand your content to attract the right audience.

What we doWhy it matters for your business
Headings H1–H6Make your content structure clear for both users and crawlers.
Meta tags (Title, Description)Define how your site appears in search results and impact click-through rate.
Alt text for imagesHelps search engines “read” images and improves ranking in Google Images.
Schema.org markupAdds rich snippets — ratings, prices, contacts — to your search results.
Open Graph tagsCreate attractive previews for social media and messengers.

Block 3. Technical integrity

Ensuring the site works flawlessly everywhere and has no internal errors.

What we doWhy it matters for your business
Redirects (www/non-www, trailing slash)Prevent duplicate pages and improve indexing accuracy.
Canonical tagsHelp search engines identify the main version of each page.
Valid HTMLEnsures correct rendering and stable site operation.
Cross-browser compatibilityGuarantees a consistent experience across all browsers.
Responsive designKeeps the site fully functional on mobile devices.

Block 4. Speed and performance

A slow site loses visitors. We make yours fast.

What we doWhy it matters for your business
Image optimization (WebP, lazy loading)Reduces page size without losing quality.
Caching and CDN setupSpeeds up loading and reduces server load.
CSS/JS minificationRemoves unnecessary code and improves performance.
Database optimizationMakes queries faster and improves overall site speed.

Advanced SEO

The sections above describe the technical SEO basics included in every project. But we also work effectively with custom SEO requirements from client-side specialists or agencies.

If a client provides an extended SEO specification, we implement everything accordingly. If there’s no SEO team, we can recommend trusted partners and collaborate directly.

Artem Beliakov

One of our most complex and rewarding technical SEO examples is the long-term project with the U.S. company that buys and recycles old vehicles. The goal was to cover as many search queries as possible across different states and cities and generate relevant landing pages for each. To automate this, we built a custom parser that automatically creates pages while maintaining proper structure and SEO optimization. Today, the website has over 10,000 pages and generates substantial profit for the client.

👉Read more about the project here

Technical SEO for different platforms

We apply the same technical SEO best practices across all project types, though implementation differs depending on the platform:

  • WordPress — fully open and flexible. Every technical SEO parameter can be configured using reliable plugins and fine-tuning.
  • Custom development (Laravel, Django, etc.) — all features are built manually. With no plugins, we create SEO functionality from scratch while maintaining full flexibility.
  • On Shopify, some of the optimization options are limited. There is no direct access to the code on the platform, so some settings, such as deep speed optimization or microdata, require more time and workarounds. 

However, with proper attention to detail, even small changes can significantly improve the site’s performance.  

An example of SEO optimization for Shopify is the Bona Fide case. We optimized icons and images, cleaned up the project from unnecessary code, and this significantly accelerated page loading and increased performance in Google PageSpeed Insights.

Where our work on technical optimization ends

We take full responsibility for the technical foundation of your website and make sure it’s SEO-ready from launch. Content-related tasks — such as copywriting, keyword research, and link building — remain in the domain of SEO specialists.

For example, we don’t fill in meta tags or alt texts manually, but we always include fields in the admin panel so your SEO team can manage them easily, without touching the code.

Our scope does not include:

  • collecting a semantic core,
  • creating a content strategy,
  • writing SEO texts,
  • running keyword-based promotion,
  • managing link-building campaigns.

This clear division ensures efficient collaboration without overlap. We create a solid technical foundation — and SEO specialists can focus on strategy and content. As a result, websites grow faster and perform more stably.

Conclusion

It’s always better to build technical search engine optimization into your website architecture from the start. The time when your team begins thinking about structure, speed, and indexing determines whether your site will be ready for growth or require expensive rearrangement later.

If you’re launching a new project, make sure your developers understand how search engines read code and take these requirements into account at every stage — from layout to testing. It will save you time, money, and give you a website ready for promotion, not repair.

💡 Want to check if your site is technically SEO-ready?
Ask your developers to show their technical SEO checklist or discuss it at the start of the project — it’s one of the easiest ways to avoid problems later.

Want a website with a built-in SEO foundation?

Let’s talk — we’ll show you how we build a technically flawless base for growth.

Discuss your project
Artem Beliakov Head of Sales / Key Account Manager & Co-Founder Other articles of the author
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