Technical SEO Services

Technical SEO that
removes every
ranking blocker.

Slow pages, broken crawls, JavaScript that Google can't read, duplicate content from faceted navigation — these are silent revenue killers. We find them all, fix them systematically, and unlock the organic growth your content and links deserve.

50+ enterprise migrations
0 ranking losses
★★★★★ 4.9 / 5 on Clutch
Industries we serve
Core Web Vitals Report — After SmartRankingLab
All Passing
🌐 healthcareclient.com/services/cardiology
98
Performance
LCP: 1.2s ✓
96
Accessibility
INP: 68ms ✓
100
Best Practices
CLS: 0.02 ✓
Before vs after — key metrics
LCP (Largest Contentful Paint) 6.8s 1.2s
INP (Interaction to Next Paint) 480ms 68ms
CLS (Cumulative Layout Shift) 0.41 0.02
Crawl coverage 38% 94%
Issues fixed
Render-blocking JavaScript removed
14,000 duplicate URLs canonicalised
Image lazy-loading deployed across 80K pages
Structured data validated on all templates
50+
Enterprise migrations
0
Ranking losses ever
1M+
Pages optimised
0
Penalty incidents
4.9
Clutch rating
What is it?

Technical SEO is the foundation everything else builds on.

Content and links drive rankings only if Google can actually crawl, render, and index your pages correctly. Technical SEO removes every barrier between your content and Google's ranking systems — so the investment you're making in content and links actually compounds rather than stalls.

Most sites have more technical issues than they realise. Faceted navigation creating thousands of duplicate URLs. JavaScript that Google renders weeks after the page is published. Images that take 8 seconds to load. Crawl budgets wasted on staging pages. Each of these is a ceiling on your organic growth — and they're invisible until someone looks for them.

We look for them. Systematically. Using enterprise-grade crawlers, server log analysis, and real-time rendering tests — then fix everything ranked by the traffic impact it's costing you.

Full site crawl — every URL, every status code, every redirect chain
Server log analysis — what Google is actually crawling vs what you think
JavaScript SEO — React, Next.js, Angular, Vue rendering diagnosis
Core Web Vitals — LCP, INP, CLS at page template level, not just homepage
Duplicate content — canonicals, hreflang, faceted navigation
Site migrations — zero ranking loss architecture from day one
Schema markup — deployed programmatically across thousands of pages
International SEO — hreflang implementation, geo-targeting, ccTLDs
94%
Average crawl coverage improvement
Clients typically go from 30–50% effective crawl coverage to 90%+ after our technical programme starts.
0
Ranking losses across 50+ migrations
Every enterprise site migration we've managed has maintained or improved rankings through go-live. Our redirect architecture and pre-crawl benchmarking is why.
48hr
Audit turnaround time
From access granted to a full written technical audit report, prioritised by traffic impact.
8yr
Zero penalty incidents
Every technical fix we implement is Google-compliant. No shortcuts that require damage control in 6 months.
What we fix

8 technical issues that silently cap your rankings.

Most sites have multiple blocking issues running simultaneously. We find all of them, rank them by traffic impact, and fix them in the order that moves your rankings fastest.

Core Web Vitals
LCP, INP, and CLS failures at template level — not just the homepage. We fix render-blocking JS, image loading, layout shifts, and server response times across every page type.
Critical ranking factor
JavaScript Rendering
React, Next.js, Angular, and Vue applications can produce content Googlebot never sees. We diagnose rendering gaps, implement SSR or pre-rendering, and verify indexation in real-time.
High impact
Crawl Budget Waste
If Google is spending its crawl budget on staging URLs, session parameters, or paginated archives, your important pages get crawled less frequently. Server log analysis reveals exactly what's happening.
High impact
Duplicate Content
Faceted navigation, product variants, paginated content, and WWW vs non-WWW inconsistencies create thousands of near-identical URLs that cannibalise each other. We resolve all of them with canonicals and parameter handling.
High impact
Structured Data / Schema
Missing or broken schema markup means you lose rich results — star ratings, FAQs, product prices — in search. We deploy and validate schema programmatically across thousands of pages.
Medium impact
Hreflang & International
Incorrect hreflang implementation causes international pages to cannibalise each other across markets. We audit, rebuild, and validate hreflang across every locale your site serves.
Medium impact
Internal Link Architecture
PageRank flows through internal links. Orphan pages, broken links, and poor anchor text distribution mean important pages aren't getting the authority they deserve. We rebuild your internal linking structure systematically.
Medium impact
Site Migration Planning
Platform changes, redesigns, and domain moves are the most common cause of permanent ranking loss. We plan and execute every migration with a full redirect map, pre/post benchmarking, and a rollback plan.
Critical risk event
Client result — Healthcare · 80,000 pages
+210%
Organic traffic after zero-loss CMS migration

A hospital network with 80,000 pages needed to migrate to a new CMS without losing a single ranking. We designed the full redirect architecture 8 weeks before go-live, ran parallel crawl benchmarking, deployed structured data across all speciality pages, and provided a rollback plan the dev team could execute in under 2 hours. Rankings held through migration — then grew.

0%
Rankings lost
2.1M
New sessions/year
−62%
CPA vs paid
Zero ranking loss · +210% traffic
"

The technical precision SmartRankingLab brought to our migration was extraordinary. We expected to lose rankings — instead we ranked for keywords we'd never targeted before. The ROI paid for 14 months of the engagement.

HD
Head of Digital
Hospital Network, India
★★★★★
Site migrations

50+ enterprise migrations. Zero ranking losses. Ever.

Platform changes, CMS migrations, and domain moves are the single most common cause of permanent ranking loss. Our migration framework eliminates that risk entirely.

Week −8
Full pre-migration crawl benchmark
We crawl every URL on your current site, map all rankings, and create a baseline that becomes your success metric post go-live.
Week −6
Complete redirect map built
Every URL mapped to its destination. Redirect chains broken. 301s for permanent moves, 302s for temporary. No redirect loops, no lost PageRank.
Week −4
Staging environment audit
We crawl the staging site and validate structured data, canonical tags, meta robots, hreflang, and internal linking before a single line goes live.
Go-live
Live monitoring + rollback plan
We monitor crawl activity, indexation, and rankings in real-time on go-live day. A tested rollback plan is ready to execute in under 2 hours if needed.
Week +4
Post-migration ranking report
Full comparison of pre vs post rankings, crawl coverage, indexation, and traffic. Any anomalies investigated and resolved before they compound.
Migration Dashboard — Post Go-Live
All systems nominal
0%
Rankings lost
100%
Redirects working
94%
Pages indexed
Migration checklist — all verified
All 80,000 redirects returning 301
Canonical tags correct on all templates
Structured data validated — 0 errors
XML sitemap updated and submitted
Hreflang correct across all locales
Core Web Vitals — all passing
Internal link architecture preserved
What you get

Six technical SEO deliverables, running from day one.

Every stream starts simultaneously. Crawl fixes, speed optimisation, and schema deployment all compound together from week one.

01 / Audit
Full Technical Crawl & Log Analysis
Enterprise-grade crawl of every URL, combined with server log analysis showing exactly what Googlebot is and isn't crawling. Every issue ranked by traffic impact, not just technical severity.
Screaming FrogSitebulbLog AnalysisGSC
02 / Speed
Core Web Vitals Optimisation
LCP, INP, and CLS fixed at template level — not just the homepage. Render-blocking JS removed, image loading optimised, layout shifts eliminated, and server response times improved at CDN level where needed.
CWV AuditLighthouseCDN ConfigImage Opt
03 / JS SEO
JavaScript SEO & Rendering
React, Next.js, Angular, and Vue rendering gaps diagnosed with real-time Googlebot simulation. SSR, pre-rendering, or dynamic rendering implemented and verified — so Google sees exactly what your users see.
JS RenderingSSRPre-renderingGSC Inspection
04 / Crawl
Crawl Budget & Indexation
Crawl budget wasted on session parameters, staging URLs, and paginated archives is redirected to your important pages. Robots.txt, noindex, and XML sitemaps overhauled so Google crawls what matters.
Robots.txtSitemapsNoindex AuditParameters
05 / Schema
Schema Markup at Scale
Product, Article, FAQ, BreadcrumbList, LocalBusiness, and more — deployed programmatically across thousands of pages via template-level injection. Validated with Google's Rich Results Test before deployment.
JSON-LDRich ResultsValidationProgrammatic
06 / Reporting
Technical Health Reporting
Monthly technical health dashboard with crawl coverage trends, CWV scores by template, indexation rates, and a fix prioritisation backlog your dev team can action directly. No abstract health scores — real metrics tied to traffic.
Monthly ReportLooker StudioDev BacklogGSC
Our process

From audit to technical fixes in 30 days.

Audit
Week 1–2
Deep technical crawl + server log analysis
We crawl your entire site, analyse your server logs to see what Googlebot is actually doing, run CWV analysis across all page templates, and audit your structured data, canonicals, hreflang, and robots.txt. Every issue is documented and ranked by traffic impact — not technical complexity.
Full crawl reportLog file analysisCWV template auditPriority fix list
Blueprint
Week 3
Fix roadmap aligned to your dev sprint cadence
A prioritised technical fix roadmap mapped to your development team's release schedule. Every fix is written as a developer-ready spec — not vague recommendations. Includes effort estimates so your CTO can make informed prioritisation decisions.
Developer fix specsPriority matrixSprint alignmentEffort estimates
Execution
Month 2–3
Fixes go live — we verify every single one
As your dev team deploys fixes, we re-crawl and verify each one is working correctly before moving to the next. Schema is deployed and validated. CWV improvements are measured at template level. Crawl coverage is tracked weekly. Nothing is marked done until it's confirmed working in production.
Fix verificationSchema deployedCWV measuredWeekly crawl checks
Maintain
Month 3+
Ongoing technical health monitoring
Technical debt accumulates fast on active sites. New pages introduce new issues. We run monthly crawls, monitor CWV in real-time, and flag any new problems before they compound. Quarterly technical reviews cover new initiatives, upcoming launches, and next-quarter optimisation focus.
Monthly crawlCWV monitoringNew issue alertsQuarterly QBR
Case studies

Technical SEO results that moved the needle.

🏥 Healthcare · Enterprise · 80,000 pages · CMS Migration
Hospital network migrated 80,000 pages with zero ranking loss — then doubled organic traffic.
A leading hospital group needed to migrate from a legacy CMS to a modern headless architecture without losing any of their hard-earned rankings. We built the complete redirect map, audited the staging environment three times, deployed structured data across all speciality pages, and monitored go-live in real-time. Within 8 months of migration, organic traffic had more than doubled.
0%
Rankings lost
+210%
Organic traffic
−62%
CPA vs paid
"The technical precision was extraordinary. We expected to lose rankings — instead we ranked for keywords we had never targeted." — Head of Digital, Hospital Network
Read full case study →
🛒 Ecommerce · WooCommerce · 8,000 products · Duplicate Content
Home goods store tripled organic traffic after faceted navigation fix increased indexed pages by 280%.
A WooCommerce store with 8,000 products had only 3% of their pages indexed. The culprit: faceted filters creating tens of thousands of near-identical duplicate URLs consuming all crawl budget. We implemented canonical strategy, rebuilt URL parameter handling, and deployed product schema across all SKUs. Indexation tripled within 3 months.
+280%
Indexed pages
+316%
Organic sessions
3mo
To see results
"They diagnosed our faceted navigation issue in the first audit call. No other agency had found it in 3 years." — Founder, Home Goods Ecommerce Store
Read full case study →
Testimonials

What technical SEO clients say.

★★★★★

"Their enterprise team managed our 80,000-page migration without a single significant ranking drop. Every recommendation was developer-ready with effort estimates. Every deadline was met. That kind of reliability is genuinely rare in an SEO agency."

HD
Head of Digital
Hospital Network, India
Zero ranking drops during migration
★★★★★

"We had tried two other 'technical SEO agencies' before SmartRankingLab. The difference is they actually understand how development constraints affect implementation — they work with your engineering team, not around them. First results in 5 weeks."

VP
VP Engineering
B2B SaaS Platform
First results in 5 weeks
★★★★★

"Our Core Web Vitals went from all failing to all passing in 6 weeks. LCP dropped from 7.2s to 1.4s across 12,000 product pages. The uplift in organic click-through rates was immediate and measurable. Best technical investment we've made."

HG
Head of Growth
Ecommerce Fashion Brand
LCP: 7.2s → 1.4s across 12K pages
Why SmartRankingLab

What separates us from generic SEO agencies.

01
Developer-ready specifications
Every fix we recommend is written as a developer-ready spec with code examples, effort estimates, and acceptance criteria — not vague recommendations your engineering team has to interpret. Less back-and-forth, faster implementation.
02
We verify every fix in production
Nothing is marked done until we've crawled and verified it's working correctly in the live environment. We don't assume implementations went correctly — we confirm them. This eliminates the "we fixed it but nothing improved" problem.
03
Traffic impact first, not technical severity
We rank every issue by the traffic it's costing you — not by how interesting it is technically. Your dev team's time is finite. We make sure they spend it on the fixes that move rankings, not the fixes that are easiest to explain.
04
Zero penalty incidents in 8 years
Every technical change we recommend is Google-compliant. No canonical tricks that cause deindexation. No redirect schemes that trigger manual actions. Clean, durable technical foundations that hold through algorithm updates.
Tools & technology

Enterprise technical SEO toolstack.

The industry's leading platforms for crawling, rendering analysis, log file processing, and performance monitoring.

Screaming Frog Sitebulb Lumar (DeepCrawl) Botify Google Search Console PageSpeed Insights Google Lighthouse WebPageTest Chrome DevTools Ahrefs SEMrush Looker Studio
Free strategy call

Not sure what's blocking
your organic growth?
Let's find out together.

Book a free 20-minute call with a technical SEO specialist. We'll look at your site live — crawl coverage, CWV scores, rendering — and tell you the 3 biggest technical issues holding back your rankings.

Book your free 20-min technical review
No commitment. Calendar link sent within 2 hours.
📅 Call booked!
Calendar link sent to your email within 2 hours.
Pricing

Transparent pricing, technical outcomes.

Priced around your site's complexity, technology stack, and the depth of technical work required. No setup fees. No lock-ins. Cancel anytime.

Starter
Technical Foundation
For growing sites with technical debt that's blocking organic growth.
What you're buying
All critical technical blockers fixed in 60 days
Core Web Vitals all passing within 90 days
Crawl coverage improved to 80%+
Starting from
45K/mo
Monthly rolling · Cancel anytime · No setup fee
Includes
  • Full technical crawl audit
  • Core Web Vitals optimisation
  • Canonical & duplicate content fix
  • Schema markup deployment
  • Monthly health report
  • Server log analysis
  • JS SEO / rendering audit
  • Migration planning
Custom
Technical Audit Only
A one-time deep-dive audit for sites that want a complete technical picture before committing to a programme.
What you're buying
Complete technical audit — every issue found
Developer-ready fix specs for every item
Priority matrix + effort estimates
One-time project
Custom
Scoped to site size and complexity
Includes
  • Full site crawl + log analysis
  • CWV analysis by template
  • JS rendering diagnosis
  • Schema & structured data audit
  • Developer fix specs
  • Stakeholder presentation

All plans include a free 48-hour technical audit · No setup fees · Onboarding support included

FAQ

Technical SEO questions answered.

What's the difference between technical SEO and content SEO?+
Technical SEO ensures Google can crawl, render, and index your pages correctly. Content SEO optimises what those pages say. Both matter — but technical issues are a ceiling. The best content in the world won't rank if Google can't access it, can't render it, or is confusing it with a duplicate. We always fix the technical foundation before scaling content.
How do you handle site migrations without losing rankings?+
We begin migration planning 8 weeks before go-live. This includes a complete URL inventory, a full redirect map with zero chains, a staging environment audit (canonicals, meta robots, structured data, hreflang), pre-crawl benchmarking, and a tested rollback plan. On go-live day we monitor in real-time and have a 2-hour rollback window. In 50+ enterprise migrations, we have never had a client lose significant rankings.
Can you fix JavaScript SEO issues on React or Next.js sites?+
Yes — JavaScript SEO for React, Next.js, Angular, and Vue is a core specialism. We use real-time Googlebot simulation to identify exactly what Google sees vs what users see, then implement SSR, pre-rendering, or dynamic rendering as appropriate. We work directly with your engineering team to implement fixes within your existing architecture and release cadence.
How quickly will Core Web Vitals improvements show in rankings?+
Google's CWV data is collected from real users via Chrome and updated in the search ranking systems roughly monthly. Most clients see CWV score improvements in Google Search Console within 4–6 weeks of fixes going live, with ranking movement following within 2–3 months. Click-through rate improvements (from passing CWV signals) often appear faster than ranking changes.
Do you work with our development team or do we need to give you access?+
We work alongside your dev team — not instead of them. We provide developer-ready fix specifications with code examples, effort estimates, and acceptance criteria so your engineers can implement efficiently. We join sprint planning when needed and provide technical QA after each deployment. Access requirements are minimal — typically Google Search Console and a staging environment.
How long before we see measurable results from technical SEO?+
It depends on the issue. Crawl fixes often show indexation improvements within 2–4 weeks of deployment. Core Web Vitals improvements reflect in GSC within 4–6 weeks and rankings within 2–3 months. Migration benefits are typically maintained immediately, with growth following as new content is indexed more efficiently. Most clients see measurable organic traffic improvement within 60–90 days of their first fixes going live.

Your site has technical issues
costing you rankings right now.
Let's find and fix them.

Every day a technical issue goes unfixed is another day competitors with cleaner sites outrank you. Start with a free, no-obligation technical audit — delivered in 48 hours.

Free audit in 48 hours No credit card required Cancel anytime