🔍 Enterprise Technical Audit & Code Repair

Technical SEO Services & Website SEO Audit

If your website suffers from slow loading speeds, poor Core Web Vitals, Google Search Console indexing errors, crawl traps, or duplicate content penalties, your content will never rank. Altstag's senior technical SEO engineers inspect 150+ code checkpoints to restore your website health and guarantee sub-0.5s speed.

⚡ 100/100 Core Web Vitals Guaranteed
✓ 150+ Code Audit Points
🛡️ 99.4% Indexation Recovery Rate
Googlebot Crawl Health
LCP SPEED
0.32s
INDEX COVERAGE
100% Passed
SCHEMAS VALIDATED:
Organization Service JSON-LD FAQPage Breadcrumb
⚙️ Architectural Health

What Is A Technical SEO Audit?

A Technical SEO Audit is a forensic diagnostic investigation of your website's underlying code, server setup, rendering pipeline, and crawl accessibility. It ensures that search engine spiders can discover, crawl, render, and index every critical page on your site without encountering technical roadblocks.

🕷️

Crawlability & Indexation

Ensuring Googlebot doesn't waste crawl budget on broken URLs, low-value parameter pages, or unintended disallow directives in your robots.txt file.

⚡

Core Web Vitals Speed

Optimizing LCP, CLS, and INP metrics to sub-0.5 seconds to pass Google's official user experience ranking criteria.

🏷️

Structured Data & Schema

Injecting error-free JSON-LD schemas so search engines understand your entities, services, FAQs, and business details for rich snippet placement.

🎯 Foundational Necessity

Why Technical SEO Is Non-Negotiable

You can write the most authoritative content in your industry and invest thousands in link-building campaigns, but if your website has underlying technical SEO flaws, Google will penalize or suppress your rankings.

Technical SEO creates the infrastructure required for search engines to evaluate your content's true worth. From server latency (TTFB) to JavaScript hydration and mobile layout shifts, technical fixes provide immediate ranking lifts.

✓ Eliminates Google Search Console Coverage Errors
✓ Consolidates PageRank Link Equity via Clean Canonicals
✓ Guarantees 100/100 Mobile Usability & Core Web Vitals

Signs Your Website Has Technical SEO Issues

  • ⚠️ Slow Page Speed: Taking longer than 2.5 seconds to load on mobile devices.
  • ⚠️ Unindexed Pages: New pages take weeks to appear in Google search results.
  • ⚠️ Declining Organic Traffic: Gradual ranking drops following Google Core algorithm updates.
  • ⚠️ Keyword Cannibalization: Multiple URLs competing for the exact same target search query.
📋 Exhaustive Inspection

Our 150-Point Technical SEO Audit Checklist

We leave zero stones unturned. Our technical audit analyzes every critical layer of your website's performance and code.

1. Crawlability & Indexing

  • ✓ Robots.txt Directive Inspection
  • ✓ XML & Image Sitemap Health
  • ✓ Crawl Budget Waste Pruning
  • ✓ Googlebot Render Engine Test

2. Core Web Vitals & Speed

  • ✓ LCP (Largest Contentful Paint) < 1.2s
  • ✓ CLS (Cumulative Layout Shift) < 0.05
  • ✓ INP (Interaction to Next Paint) < 100ms
  • ✓ Server TTFB Latency Reduction

3. Canonical & Duplication

  • ✓ Canonical Tag Parameter Alignment
  • ✓ HTTP/HTTPS & WWW Redirection
  • ✓ Paginated Series Canonicalization
  • ✓ Trailing Slash URL Normalization

4. Schema & Structured Data

  • ✓ Organization & LocalBusiness JSON-LD
  • ✓ Service & Product Schema Rich Snippets
  • ✓ FAQPage & Article Markup
  • ✓ BreadcrumbList Schema Validation
⚡ Core Web Vitals Dominance

Sub-0.5s Loading Speed & 100/100 Core Web Vitals

Speed is not just a user experience feature; it is an official Google ranking factor. Here is how we guarantee your site passes Core Web Vitals with 100/100 scores.

LCP (Largest Contentful Paint)

Measures how quickly the main above-the-fold content loads. We inline critical CSS, preload hero media assets, and use edge CDN caching to reduce LCP below 0.8 seconds.

CLS (Cumulative Layout Shift)

Measures visual stability. Unexpected layout shifts annoy users and hurt rankings. We set explicit aspect ratios on all images, SVGs, and ad containers to guarantee 0.00 CLS.

INP (Interaction to Next Paint)

Measures page responsiveness to user clicks and taps. We break up heavy JavaScript main-thread tasks, defer non-critical scripts, and optimize event listeners to keep INP under 50ms.

🛠️ Deep Technical Modules

Comprehensive Technical Fixes We Implement

From crawl budget log analysis to canonical URL consolidation and JavaScript SSR debugging, we resolve every technical issue holding your site back.

Crawl Budget Optimization

Prune thin, auto-generated parameter URLs and fix 404 crawl loops so Googlebot focuses 100% of its resources on indexing your primary money pages.

GSC Coverage & Indexation Cleanup

Resolve 'Discovered - currently not indexed' and 'Crawled - currently not indexed' warnings in Google Search Console.

Dynamic XML Sitemap Structuring

Generate automated, dynamic XML sitemaps weighted by page priority and submit cleanly to Google Search Console and Bing Webmaster Tools.

Robots.txt Directives Architecture

Clean up disallow rules to prevent accidental blocking of critical CSS/JS assets while keeping search bots out of private admin endpoints.

Canonical URL & Duplicate Content

Fix self-referencing canonicals, parameter variations, and cross-domain URL parameters to consolidate PageRank link authority.

Schema JSON-LD Injection

Inject custom, valid JSON-LD structured data for Organization, LocalBusiness, Service, Product, FAQPage, and BreadcrumbList schemas.

Internal Linking & SILO Hierarchy

Sculpt PageRank link equity from authority pages down to commercial conversion hubs using keyword-optimized internal anchor text.

Redirect Chain & 404 Cleanup

Flatten redirect loops, eliminate 301 multi-hop chains, and fix 404 broken links to preserve 100% of incoming backlink link juice.

JavaScript SEO & Mobile Health

Debug SSR/hydration issues for React/Next.js platforms and ensure 100% mobile usability across 320px–1920px viewports.

📈 Proven Results

Technical SEO Audit Case Studies

Real performance turnarounds achieved through Altstag's technical code cleanup and speed optimization.

NovaPay SaaS Infrastructure

Resolved 4,200 GSC coverage errors, injected custom SaaS Schema JSON-LD, and reduced LCP from 4.2s to 0.35s.

0.35s
LCP Speed
+384%
Organic Traffic
100/100
Vitals Score

Apex Luxury Resorts

Eliminated duplicate pagination canonical errors, optimized WebP images, and implemented Hotel Room availability schema.

+340%
Direct Bookings
0.3s
Load Speed
0.00
CLS Shift

HealthPlus Diagnostics

Cleaned up 120 broken 404 links, optimized Google Business Profile local schema, and accelerated mobile page rendering.

Top 3
Map Pack
+280%
Patient Calls
100%
Indexed
💰 Clear Investment Plans

Technical SEO Audit & Fix Pricing Tiers

Select the technical SEO diagnostic tier that fits your website's size and technical complexity.

Technical SEO Audit Blueprint

Full 150-point technical inspection report with prioritized code fix developer guidelines.

$499 / one-time
  • ✓ 150+ Point Code & Speed Inspection
  • ✓ Google Search Console Error Audit
  • ✓ Core Web Vitals Diagnostic Report
  • ✓ Schema JSON-LD Validation Assessment
  • ✓ Developer Action Roadmap Video
Order Audit →
RECOMMENDED

Speed & Core Web Vitals Fix

Full technical audit plus hands-on developer implementation to guarantee 95+ Vitals scores.

$999 / one-time
  • ✓ Everything in Audit Blueprint
  • ✓ Guaranteed Sub-0.5s Loading Speed
  • ✓ 100/100 Mobile Core Web Vitals Implementation
  • ✓ Schema JSON-LD Code Injection
  • ✓ 301 Redirect & Canonical Cleanup
Get Started →

Enterprise Technical SEO

Ongoing monthly technical governance for enterprise SaaS platforms and multi-market e-commerce stores.

$1,999 / mo
  • ✓ Ongoing Log File & Crawl Budget Monitoring
  • ✓ JavaScript & Headless SSR Debugging
  • ✓ International Multi-Lingual hreflang Audit
  • ✓ Dedicated Senior Technical SEO Engineer
  • ✓ 24/7 Priority Emergency Fix Support
Get Custom Proposal →
💬 Client Feedback

What Clients Say About Our Technical SEO

Real feedback from engineering leads and digital marketers who resolved critical technical website issues with Altstag.

★★★★★

"Altstag's technical audit uncovered massive canonical redirect loops that were destroying our search authority. Once fixed, our organic traffic increased by 380% in 60 days."

DR
David R. CTO
NovaPay Global — UK
★★★★★

"Our hotel website failed Core Web Vitals on mobile. Altstag optimized our critical CSS and asset loading, achieving 100/100 speed scores. Direct bookings quadrupled."

MV
Marcus V. Marketing VP
Apex Resorts — USA
★★★★★

"Altstag's Schema JSON-LD injection gave our clinic listings rich stars in Google search results. Our organic CTR jumped from 2.1% to 7.4%."

MC
Dr. Michael C. Managing Director
HealthPlus Clinics — Canada
❓ Technical FAQs

20 Frequently Asked Questions About Technical SEO

Everything you need to know about crawl errors, Core Web Vitals, JSON-LD schema, canonicals, and site health audits.

Technical SEO optimizes your website's underlying server architecture, rendering engine, code cleanliness, and crawlability so search engines can effortlessly index every high-value page. Without a solid technical SEO foundation, even the highest-quality content will fail to rank on Google.

Our audit inspects crawl budget efficiency, Google Search Console coverage errors, Core Web Vitals (LCP, CLS, INP), canonical tag alignment, XML sitemaps, robots.txt directives, SSL/TLS security, JavaScript hydration, mobile usability, 404/301 redirect chains, and Schema JSON-LD validation.

We optimize Largest Contentful Paint (LCP) via critical CSS extraction and WebP/AVIF asset preloading, eliminate Cumulative Layout Shift (CLS) by reserving explicit aspect-ratio containers, and optimize Interaction to Next Paint (INP) by deferring non-essential JavaScript.

Crawl budget is the limited number of pages Googlebot will crawl on your site during a specific timeframe. We optimize crawl budget by eliminating crawl traps, disallowing low-value URL parameters, fixing 404 chains, and pruning thin auto-generated pages.

This error occurs when Google discovers a URL but deems it low priority or thin. We resolve it by consolidating duplicate content, improving internal link SILO architecture, enhancing content depth, and requesting manual re-indexing.

Canonical tags tell search engines which URL version is the primary master copy. Missing or conflicting canonicals cause duplicate content dilution, splitting PageRank link equity across multiple URL parameters.

Schema markup provides search engine bots with unambiguous structured entity context about your company, products, FAQs, and services, enabling eye-catching rich snippets on Google Search results.

Client-side rendered React, Vue, or Angular web apps often present blank HTML shells to search crawlers before JS execution. We debug DOM hydration, implement Server-Side Rendering (SSR) or pre-rendering, and ensure Googlebot instantly parses full HTML.

Redirect chains (URL A -> URL B -> URL C) waste crawl budget, introduce 200ms+ latency per hop, and lose up to 15% of link equity. We flatten all redirects to direct 1-step 301 destinations.

We implement self-referencing canonicals on paginated series (page=2, page=3), optimize internal anchor text links, ensure deep pages remain crawlable, and prevent thin indexation.

Robots.txt blocks search crawlers from accessing a page altogether. Meta noindex allows bots to crawl the page but instructs them not to display it in search results. Using both incorrectly can create indexing conflicts.

We convert legacy PNG/JPG files to WebP/AVIF formats, implement native loading='lazy' attributes, define explicit width/height dimensions to prevent layout shifts, and add keyword-optimized alt attributes.

Google exclusively evaluates the mobile version of your website for ranking. We ensure parity between desktop and mobile content, fix hidden DOM elements, and ensure 48px+ touch target spacing.

PageRank sculpting strategically passes link equity from high-authority pages (such as your homepage) to critical high-conversion category pages through contextual internal links and optimized anchor text.

We analyze DNS resolution time, server processing overhead, database query performance, object caching (Redis/Memcached), and edge CDN caching to reduce TTFB below 200ms globally.

An XML sitemap is a structured index of your site's canonical URLs. It should update automatically in real-time whenever new content is published, updated, or removed.

We enforce 301 redirects from HTTP to HTTPS, implement HTTP Strict Transport Security (HSTS) headers, fix mixed-content asset warnings, and verify SSL certificate chain integrity.

No! Our diagnostic audits are 100% non-intrusive. All code modifications and speed optimizations are tested in isolated staging environments before live deployment.

Our diagnostic audit report is delivered within 3 to 5 business days. Technical fixes and Core Web Vitals speed optimizations are implemented over a 2 to 3 week timeline.

Simply submit your website URL through our lead form or contact our technical SEO engineering team directly on WhatsApp for an immediate diagnostic assessment.

📞 Technical Assessment

Request Your 150-Point Technical SEO Audit

Submit your website details to receive a comprehensive diagnostic report and speed audit within 24 hours.

Direct Technical Support

📞
✉️

Claim Your Free 15-Page Technical SEO Audit ($299 Value)

Fix crawl errors, pass Core Web Vitals, and unlock your website's full organic search ranking potential.

Chat on WhatsApp 💬
💬
📞 Call 💬 Chat