Technical SEO: a fast, stable, and fully indexed website
Content and backlinks only work as well as the technical foundation allows. If your website takes 6 seconds to load, if Google can’t access half your pages, or if the mobile version breaks with every click, even the best SEO strategy won’t deliver results. Technical SEO removes those obstacles and lays a clean foundation on which the rest of your SEO can actually function.
Technical problems that are quietly costing you positions
The biggest damage in SEO often comes from problems you can’t see. Content gets published, the blog grows, some clients come in, but results never move upward the way they should. The reason is almost always the same: the technical layer underneath the website has issues that nobody thinks about until someone actually looks.
We recently ran an audit on a website that had been investing in content for two years. They had over 80 blog articles, a clean niche, and a decent backlink profile. Traffic had stalled. The reason became clear within half an hour: because of a misconfigured robots.txt, half the blog categories had never been indexed. Two years of work sitting on the server because of one wrong line in a configuration file.
That’s not an isolated case. Slow load times are driving mobile users away, duplicate content that Google doesn’t know how to rank, pagination issues on a webshop, JavaScript blocking Googlebot, and redirect chains five hops long. These are the silent culprits behind stagnation that most business owners put down to “poor content” or “strong competition”. The actual problem is something that gets fixed once and stays fixed for years.
What technical SEO actually covers
Google doesn’t read your website the way a visitor does. First, it crawls it, meaning the bot follows links and discovers content. Then it renders it, similar to how a browser would display it. Only then does it index it, and only then can it rank. Technical SEO covers everything that affects this process.
There are three key areas we focus on:
Accessibility
Whether Google can reach your content at all. This includes robots.txt, sitemaps, internal link structure, page depth, status codes (200, 301, 404, 500), redirect chains and blocks at the server or JavaScript level.
Speed and stability
How quickly the page loads and how stable it is while loading. Core Web Vitals (LCP, INP, CLS) are Google's official metrics for this. It also covers image optimisation, compression, caching, hosting, resource load order, and behaviour on slow mobile networks.
Clarity
Whether Google understands what your website is about and which subpages matter most. This includes canonicals, hreflang, structured data, URL structure, heading hierarchy, breadcrumbs, and internal links.
What we actually do within technical SEO
Technical SEO isn’t a single intervention. It consists of auditing, fixing, and ongoing monitoring to prevent new problems from appearing after changes are made to the site.
Technical SEO audit
A detailed review of the website using Screaming Frog, Google Search Console, PageSpeed Insights, and Ahrefs Site Audit. We identify all issues from indexation to speed and deliver a report with priorities ordered by impact and complexity of the fix.
Speed and Core Web Vitals optimisation
Working on specific metrics: LCP below 2.5 seconds, INP below 200ms, CLS below 0.1. Image conversion to WebP format, lazy loading, CSS and JavaScript compression, server-side caching, and elimination of render-blocking resources.
Crawlability and indexation
Reviewing and correcting robots.txt, generating and uploading XML sitemaps, resolving "noindex" tags that shouldn't be there, fixing orphan pages, and optimising crawl budget for larger websites.
Mobile-first optimisation
Google indexes the mobile version of your site before the desktop version. We check responsiveness, element sizes, text readability without zooming, speed on slower 4G networks, and behaviour across different mobile devices.
Structured data (Schema markup)
Implementation of JSON-LD schema markup for better content understanding: Organization, LocalBusiness, Product, Article, FAQ, Breadcrumb, Review. Properly implemented schema opens up the possibility of rich snippets in search results.
URL structure, redirects, and canonicals
Cleaning up redirect chains, setting up 301 redirects where needed, correcting canonical tags pointing to the wrong pages, and resolving duplicate content caused by URL parameters.
Who technical SEO is for
For most websites, technical SEO won’t be the main driver of growth, but for certain types of sites, it’s absolutely essential. Here’s where the difference is greatest.
A webshop typically has thousands of URLs, pagination, filters, product variants and categories that can duplicate. Without clean technical SEO, Google wastes crawl budget on irrelevant URLs and misses the products that should be ranking.
Changing domains, moving from HTTP to HTTPS, and a redesign with a new URL structure. These are all situations where, without technical SEO, you typically lose 30-50% of organic traffic. With proper 301 redirects and validation, the loss is kept to a minimum.
If your traffic has dropped for no obvious reason (you haven’t changed content, haven’t lost links, haven’t removed pages), the cause is almost always technical. A Google update that wasn’t addressed, a hosting issue that slowed the site down, and an accidentally added noindex tag.
WordPress is excellent, but a site with 30 plugins, 4 different SEO add-ons, and a theme that hasn’t been updated in years often has serious problems with speed, security, and content duplication. An audit reveals what stays, what goes, and what needs replacing.
If you’ve been investing in content and links for months and positions aren’t moving as they should, there’s likely a technical obstacle neutralising everything else. An audit will show where the problem is in 95% of cases.
What our process looks like
1. Technical audit
We run a Screaming Frog crawl, pull data from Search Console, measure Core Web Vitals, and review server log files where available. The result is a document listing all technical issues, priorities, and the estimated impact on rankings.
2. Fix plan
We don't do everything at once. We define the order: critical issues first (indexation blocks, serious speed problems, incorrect canonicals), then important issues (schema markup, URL structure, mobile optimisation), then "nice to have" items last.
3. Implementation
Some fixes we can handle ourselves within WordPress, others require server or code access. In those cases, we work with your developer or recommend someone from our network. Everything is documented, so you always know what's been changed.
4. Monitoring and prevention
Technical SEO isn't a one-off job. After implementation, we set up monthly tracking of key metrics and alerts for new problems. The goal is for issues that have been fixed to stay fixed, and for new ones to be caught before they cause damage.
Our approach vs. what we avoid
- Manual audit across multiple tools, not just automated scanning
- Priorities ordered by actual impact, not by list length
- Documentation of every change for reversibility
- Working with your developer when code access is needed
- Monthly monitoring so problems don't come back
- Realistic estimates of timelines and impact
- "Audit reports" generated by automated tools without analysis
- A list of 200 issues with no prioritisation
- Changes to production without a backup and staging test
- Schema markup implemented in a way that doesn't match the actual content
- Promises of "30% faster ranking through technical SEO"
- Keeping you in the dark about what's actually been changed
An honest warning: technical SEO is the area that's easiest to make look spectacular on a report and hardest to turn into real growth if done poorly. An audit with 300 line items looks impressive, but without prioritisation, it helps nobody. Our aim is the opposite: the shortest possible list, where every item actually moves the needle.
Why businesses choose Primerank
I manage every project personally. No account manager who doesn’t understand your business, no junior learning on the job at your expense. Direct communication with the person who is actually working on your SEO.
We use Ahrefs, SEMrush, Screaming Frog, and Google Search Console, the same tools used by the world’s largest agencies, because accurate data is the foundation of every good strategy.
Every month you receive a clear report: what was done, what the results are, and what the next steps are. No jargon, no hiding behind vague metrics.
We work month to month. Results are what keep us together, not contract lock-ins.
Ready for a website without technical obstacles?
One bad redirect, one forgotten noindex tag, one slow image in the header. These are the things keeping your website on the wrong side of Google right now. We start with a free analysis and show you exactly where the problems are and what fixing them is worth.
Results speak for themselves
EXCELLENT Based on 7 reviews Posted on Google Branko ŠerićTrustindex verifies that the original source of the review is Google. Love working with Matija, knows his stuffs, inteligent, efficient and does reslly good work :)Posted on Google Marija BoljatTrustindex verifies that the original source of the review is Google. Imala sam to zadovoljstvo raditi sa SEO agencijom Primerank. Od početka do kraja su pokazivali izuzetnu stručnost i vrlo povoljne uvjete. Vrlo su ljubazni i susretljivi.Posted on Google David JohnTrustindex verifies that the original source of the review is Google. It's and amazingPosted on Google emir gradjaninTrustindex verifies that the original source of the review is Google. Vrlo profesionalna uslugaPosted on Google Gajo VučinićTrustindex verifies that the original source of the review is Google. Odlično i profesionalno odrađena optimizacija. Vrlo simpatični i susretljivi.Posted on Google Bruno VojvodićTrustindex verifies that the original source of the review is Google. Kao copywriter svjestan sam koliko je sadržaj bitan, ali i koliko je ponekad teško tom istom sadržaju doći do publike. SEO u tome svakako može pomoći, a Primerank zna što radi.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Frequently asked questions about technical SEO
The most common signs are a drop in positions for no clear reason, slow loading (you can check for free on PageSpeed Insights), pages appearing in search results that shouldn’t be there, and a mismatch between the number of subpages you have and the number indexed in Google Search Console. A free analysis covers all these points and around twenty more.
Some things, yes; some no. Setting meta titles, adding alt tags to images, installing RankMath, and basic schema markup are all things you can do yourself inside WordPress. Server optimisation, JavaScript cleanup, complex redirect strategies, and code-level optimisation almost always require a developer. As part of our service, we define what stays with you, what we handle, and what goes to a developer.
WordPress is the platform where we do most of our technical SEO work. Most issues (speed, schema, sitemap, robots.txt, canonicals) can be resolved inside WordPress through the right settings, quality hosting, and a minimal, well-chosen set of plugins. The most common problems on WordPress sites aren’t WordPress itself; they’re the theme, the hosting, and too many plugins fighting each other.
An audit takes one to two weeks, depending on the size of the site. Implementing critical fixes takes two to four weeks. Deeper optimisation (schema, speed, structure) can take one to three months. Ranking results start becoming visible four to eight weeks after implementation, once Google has recrawled and reindexed the site.
In most cases, no. Technical SEO removes obstacles. If there’s no quality content and a sensible strategy behind those obstacles, there won’t be growth. The exception is sites with serious technical problems that have been ranking below their potential, where fixing things alone can produce a significant jump. But the rule is that technical SEO works hand in hand with content and links.
Yes, arguably more than an older site does. Mistakes made at the start often carry forward for years, and fixing them retroactively is far more expensive than getting the setup right from day one. A technical audit at launch is a much better investment than an audit after a year of stagnation.
Once a year for more stable sites, every six months for sites with a lot of activity and changes, and immediately after any major intervention (redesign, migration, change of hosting, adding a webshop). Monthly tracking of key metrics in any case.
It’s the wrong question, because neither works without the other. Content without a technical foundation can’t be properly indexed or ranked by Google. A technically perfect site with no content has nothing to rank for. In practice, if a site already has some content, the technical foundation gets sorted first, because that frees up the growth that’s already waiting. If the site has no content, both are worked on at the same time.