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SEO Optimization Services - Technical SEO, Core Web Vitals & Schema Markup
From $250
Expert technical and on-page SEO services that drive sustainable organic traffic. Core Web Vitals optimization, semantic HTML, JSON-LD schema markup, dynamic sitemaps, and structured data audits for developers and business owners.
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What's Included
- Core Web Vitals
- Semantic HTML
- Schema Markup
- Dynamic Sitemaps
- Core Web Vitals Audit & Optimization (LCP/CLS/INP)
- Semantic HTML5 Structure Review
- JSON-LD Structured Data (10+ Schema Types)
- Rich Results Implementation (FAQ
- Breadcrumbs
- Stars)
- Dynamic XML Sitemaps (Pages
- Images
- Videos)
- robots.txt Configuration
- Canonical Tag Audit & Implementation
- Meta Title & Description Optimization
- Internal Linking Architecture
- Image Alt Text & WebP Optimization
- Crawl Budget Analysis
- Google Search Console Setup
- Redirect Chain Audit & Repair
- Mobile Usability Audit
- Full SEO Audit Report + Action Plan
SEO Optimization — Rank Higher. Load Faster. Convert Better.
Search Engine Optimization in 2024 is a technical discipline as much as it is a content strategy. Google's ranking algorithms evaluate hundreds of signals — from page speed milliseconds to structured data completeness to crawl budget efficiency — and most websites fail on the technical fundamentals long before content quality becomes the limiting factor. I specialize in the technical SEO layer: the code-level decisions that determine whether Google can discover, crawl, index, understand, and rank your website.
Technical SEO Services
⚡ Core Web Vitals Optimization
Core Web Vitals are Google's user experience metrics that directly influence search rankings. Since the Page Experience update, a poor CWV score is a confirmed ranking disadvantage. I audit and optimize all three metrics:
Largest Contentful Paint (LCP) — Target: < 2.5s
LCP measures how quickly the largest visible element renders. Poor LCP is almost always caused by one of four things: slow server response, render-blocking resources, slow resource load times, or client-side rendering delays.
What I fix:
- Server response time (TTFB) via caching (Redis, edge caching, CDN)
- Render-blocking CSS — critical CSS inlining and stylesheet deferral
- Render-blocking JavaScript —
async/deferattributes and code splitting - LCP image preloading via
<link rel="preload">andfetchpriority="high" - Next.js Image / native
<img>with correctsrcsetand modern format (WebP/AVIF) - CDN configuration for sub-50ms asset delivery
Cumulative Layout Shift (CLS) — Target: < 0.1
CLS measures visual stability — how much elements move unexpectedly as the page loads.
What I fix:
- Explicit
widthandheighton every<img>and<video>element aspect-ratioCSS for responsive images that reserve space before load- Font swap handling —
font-display: optionalorfont-display: swapwith size-adjust - Dynamic content injection above existing content (ads, cookie banners, embeds)
min-heighton containers populated by JavaScript
Interaction to Next Paint (INP) — Target: < 200ms
INP replaced FID in March 2024 as the interactivity Core Web Vital. It measures the latency of all interactions throughout the page lifecycle.
What I fix:
- Long tasks (>50ms) breaking up with
scheduler.yield()orsetTimeoutchunking - JavaScript bundle splitting — shipping only code needed for the current page
- Event handler optimization — removing unnecessary re-renders and heavy synchronous calculations from click handlers
- Third-party script impact analysis and deferral strategy
🏗️ Semantic HTML & Document Structure
Search engines understand content through the HTML structure that wraps it. Semantic HTML is the foundation of on-page SEO — and most websites get it wrong.
What I audit and implement:
- Heading hierarchy — one
<h1>per page, containing the primary keyword.<h2>for section headings,<h3>for subsections — never used for styling - Landmark elements —
<header>,<nav>,<main>,<article>,<section>,<aside>,<footer>with correct usage (not as styled divs) - Link anchor text — descriptive anchor text on all internal and external links. No "click here" or "read more"
- Image alt attributes — descriptive, keyword-relevant alt text on all informational images. Empty alt (
alt="") on decorative images <title>and<meta description>— unique, compelling, keyword-rich values on every page. No duplicates, no truncation- Canonical tags —
<link rel="canonical">on every page, preventing duplicate content from pagination, filters, and URL parameters <meta robots>— noindex on thin, duplicate, or private content. Index/follow correctly applied sitewide
🗂️ Schema Markup & Structured Data (JSON-LD)
Structured data tells Google exactly what your content means — enabling rich results (star ratings, FAQs, breadcrumbs, product prices) that dramatically increase click-through rates.
Schema types I implement:
| Schema Type | Rich Result Unlocked | Best For |
|---|---|---|
Organization | Knowledge panel | Business websites |
Person | Knowledge panel | Personal/portfolio sites |
WebSite + SearchAction | Sitelinks search box | Large content sites |
Article / BlogPosting | Article rich results | Blogs and news |
Product + Offer | Price, availability, rating | E-commerce |
Review / AggregateRating | Star ratings | Products, services, businesses |
FAQPage | Expandable Q&A in SERPs | Service and product pages |
HowTo | Step-by-step rich result | Tutorial content |
BreadcrumbList | Breadcrumb trail in SERPs | All multi-level sites |
Service | Service rich results | Freelance and agency sites |
Event | Event rich results | Conference and event pages |
JobPosting | Job listing rich results | Career pages |
Course | Course rich results | Education platforms |
LocalBusiness | Local pack + maps | Local businesses |
All structured data is validated against Google's Rich Results Test and Schema.org specifications before delivery.
🗺️ XML Sitemaps & Crawl Budget Management
Google allocates a crawl budget to every website — the number of pages Googlebot crawls per day. Sites with thousands of pages need careful sitemap architecture to ensure high-value pages are prioritized.
What I implement:
- Dynamic XML sitemaps — auto-generated via Next.js Route Handlers or WordPress plugins, always reflecting current content
- Sitemap index — for large sites, a sitemap index file pointing to separate sitemaps for pages, posts, products, and images
- Image sitemaps —
<image:image>extensions to ensure product and editorial images are indexed - Video sitemaps — for sites with video content
lastmodtimestamps — accurate last-modified dates so Googlebot re-crawls updated content promptly- Priority and changefreq — calibrated per content type, not set to "0.5/weekly" across the board
- robots.txt — disallowing admin panels, duplicate paginated content, search result pages, and staging environments from crawling
🔗 Internal Linking Architecture
Internal links distribute PageRank across your site and help Google understand your content hierarchy. A well-designed internal linking structure can move pages from page 3 to page 1 without a single external backlink.
What I implement:
- Topic cluster model — pillar pages linked to from all cluster content, with cluster pages linking back to the pillar
- Contextual internal links — links from within body content with descriptive anchor text, not just navigation menus
- Orphan page identification and repair — every page in your sitemap should be reachable within 3 clicks from the homepage
- Pagination handling —
rel="next"andrel="prev"(where still relevant) or proper canonical handling for paginated series
📊 SEO Audit & Reporting
Every engagement begins with a comprehensive technical SEO audit covering:
- Crawl analysis (Screaming Frog / Sitebulb)
- Index coverage report (Google Search Console)
- Core Web Vitals field data (CrUX report)
- Duplicate content analysis
- Broken links (4xx) and redirect chains (301 → 301)
- Missing/duplicate/truncated title tags and meta descriptions
- Missing alt attributes
- Slow page identification
- Structured data errors and warnings
- Mobile usability issues
- International SEO issues (hreflang errors, if applicable)
Deliverable: a prioritized action plan with impact estimates and implementation instructions.
Technology & Tools
Google Search Console · Google PageSpeed Insights · Lighthouse · Screaming Frog · Ahrefs / Semrush · Schema.org / JSON-LD · Google Rich Results Test · Chrome DevTools Performance Panel · WebPageTest · CrUX (Chrome User Experience Report) · Cloudflare · Next.js Metadata APIReady to start?
Let's discuss how we can help with your project.