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Crawlability
We identify broken pages, blocked resources, crawl traps, redirect chains, orphan pages, duplicate URLs, and architecture problems that waste crawl budget.
Technical SEO Services
Technical SEO That Helps Websites Get Crawled, Indexed, and Ranked
DEV.co helps companies fix the technical foundation behind organic search performance: crawlability, indexation, site speed, Core Web Vitals, schema, redirects, architecture, and SEO-safe website migrations.
Crawlability
Indexation
Core Web Vitals
Schema
SEO Migrations
Site Architecture
Technical SEO Audit
Crawl Active
Crawl
URLs, status codes
Diagnose
Indexing, rendering
Prioritize
Impact, effort, risk
Fix
Deploy, validate
Index Coverage
92%Valid
41Warnings
8Errors
Core Web Vitals
1.8sLCP
0.04CLS
120msINP
Audit Priority
next actions:
fix redirect chains
validate canonical tags
improve internal link depth
add Article + Service schema
fix redirect chains
validate canonical tags
improve internal link depth
add Article + Service schema
Why Technical SEO Matters
The best content cannot perform if search engines cannot crawl, render, understand, and trust the site.
Technical SEO is the foundation layer beneath rankings. It determines whether your pages are accessible, fast, structured, internally connected, properly indexed, and capable of supporting growth.
Indexation
We review canonicals, noindex rules, XML sitemaps, robots directives, parameter URLs, duplicate pages, and Google Search Console coverage issues.
Performance
We help improve speed, Core Web Vitals, render-blocking assets, image loading, script bloat, mobile experience, and page-template performance.
Technical SEO Audit
Find the hidden issues holding back rankings, traffic, and conversions.
Technical SEO issues rarely announce themselves clearly. They show up as slow indexing, traffic plateaus, ranking volatility, unexplained page drops, poor crawl efficiency, bad migration outcomes, and pages that refuse to perform despite strong content.
- Crawl diagnostics for status codes, redirects, broken links, and duplicate URLs.
- Indexation review across Google Search Console, sitemaps, canonicals, and robots directives.
- Core Web Vitals and template-level performance analysis.
- Schema, internal linking, page hierarchy, and content discoverability review.
- Prioritized implementation roadmap based on SEO impact and technical effort.
Diagnostic System
SEO + Dev QA
Crawl Data
Status codes, redirects, canonicals, duplicate templates, internal links, and crawl depth.
crawl sample:
200: /services/web-development
301: /old-url → /new-url
404: /missing-page
canonical: self-referencing
200: /services/web-development
301: /old-url → /new-url
404: /missing-page
canonical: self-referencing
→
Search Data
Google Search Console, index coverage, queries, pages, impressions, and click-through issues.
Technical Review
Rendering, speed, schema, mobile, page templates, JS behavior, and site architecture.
→
SEO Roadmap
Prioritized fixes, engineering tickets, redirect maps, schema recommendations, and QA validation.
91
Services
Technical SEO services for websites that need more than surface-level optimization.
We combine SEO strategy with development execution, which matters when fixes require more than a checklist or plugin.
Technical SEO AuditsFull diagnostic review of crawlability, indexation, performance, architecture, schema, and migration risk.
Core Web VitalsLCP, CLS, INP, template speed, script bloat, image loading, and mobile performance improvements.
SEO MigrationsURL mapping, redirects, metadata preservation, indexation checks, and launch QA for redesigns or platform moves.
Schema MarkupStructured data for services, articles, FAQs, organizations, products, local pages, and software pages.
Internal LinkingImprove crawl depth, topical relationships, service-page authority, and discoverability of important pages.
Indexation CleanupResolve noindex mistakes, canonical problems, duplicate URLs, thin pages, and sitemap coverage gaps.
JavaScript SEOReview rendering, hydration, client-side routing, metadata behavior, and crawlable content risks.
Platform SEOTechnical SEO for Webflow, WordPress, Shopify, Next.js, React, custom CMS builds, and headless sites.
Surface-Level SEO
Titles, copy, and plugins only go so far.
- Page titles and meta descriptions are edited without fixing the site foundation.
- Plugins are installed without understanding how the site is crawled or rendered.
- Redirects, canonicals, sitemaps, and indexation problems remain unresolved.
- Slow templates continue to damage user experience and Core Web Vitals.
- SEO fixes are disconnected from development implementation.
Technical SEO
Fix the infrastructure search engines rely on.
- Improve crawl efficiency, page discoverability, and internal architecture.
- Resolve indexation, canonical, sitemap, redirect, and robots issues.
- Improve speed, mobile UX, and Core Web Vitals across important templates.
- Use schema and structured content to help search engines understand the site.
- Translate audit findings into development-ready tickets and launch QA.
Our Process
A technical SEO process built for diagnosis, implementation, and validation.
A technical audit is only useful if it leads to prioritized fixes. We focus on finding what matters, turning issues into action, and validating changes after implementation.
Crawl the Site
We crawl the site to identify status codes, redirect chains, duplicate URLs, metadata patterns, canonical problems, and internal link structure.
Review Search Data
We inspect Search Console, sitemap coverage, indexing reports, query performance, page drops, and crawl signals where available.
Analyze Templates
We review page templates, CMS structures, JavaScript behavior, mobile rendering, schema, page speed, and structured content.
Prioritize Fixes
We separate critical issues from noise and prioritize fixes by SEO impact, engineering effort, risk, and business value.
Implement or Support
Our developers can implement the fixes directly or create clear tickets for your internal dev team or Webflow/WordPress team.
Validate Results
We re-crawl, check indexation, test redirects, validate schema, monitor performance, and confirm that fixes were deployed correctly.
Migration Controls
Before + After Launch
Redirect Map
/old-service → /services/new-service
/blog/old-post → /blog/new-post
/case-study-a → /work/case-study-a
/blog/old-post → /blog/new-post
/case-study-a → /work/case-study-a
Indexation Checks
sitemap submitted
canonicals valid
robots.txt reviewed
noindex rules checked
canonicals valid
robots.txt reviewed
noindex rules checked
Launch QA
metadata preserved
schema validated
tracking active
404s monitored
schema validated
tracking active
404s monitored
Post-Launch
0Bad 301s
ValidSchema
LiveGSC
SEO Migrations
Redesigns, platform changes, and URL changes can destroy rankings if handled badly.
Website migrations are one of the highest-risk technical SEO events. A redesign, CMS migration, domain change, or URL restructuring can cause ranking drops when redirects, metadata, internal links, canonicals, and indexation are handled poorly.
- Pre-launch crawl, URL inventory, redirect map, and metadata preservation.
- SEO-safe changes for Webflow, WordPress, Shopify, Next.js, and custom builds.
- Post-launch crawl validation, Search Console checks, and indexation monitoring.
- Fast troubleshooting for ranking drops, 404 spikes, redirect mistakes, and noindex problems.
Who Needs This
Technical SEO is most valuable when the website is large, complex, or business-critical.
Small websites can often get by with basic SEO hygiene. Larger websites, redesigns, ecommerce stores, SaaS sites, and content-heavy properties need stronger technical control.
Webflow Sites
Improve CMS structure, redirects, page templates, speed, headings, schema, and indexable content for Webflow builds.
WordPress Sites
Fix plugin bloat, crawl issues, taxonomy sprawl, sitemap problems, template performance, schema gaps, and duplicate content.
Shopify Stores
Improve collection architecture, product crawlability, faceted navigation, app bloat, performance, and structured data.
SaaS Websites
Strengthen feature pages, comparison pages, programmatic pages, docs, blog architecture, and technical performance.
Content Sites
Improve crawl depth, internal links, old content indexation, taxonomy structure, schema, and topical architecture.
Website Redesigns
Protect rankings during redesigns with SEO migration planning, redirect mapping, metadata QA, and launch validation.
FAQ
Technical SEO questions buyers usually ask.
Technical SEO is the process of improving the technical foundation of a website so search engines can crawl, render, index, understand, and rank its pages more effectively. It includes crawlability, indexation, site speed, schema, internal linking, redirects, canonicals, mobile usability, and site architecture.
Regular SEO often focuses on keywords, content, links, and on-page optimization. Technical SEO focuses on the infrastructure that allows those efforts to work: crawl paths, indexation, performance, structured data, redirects, rendering, and architecture.
Yes. Webflow can be strong for SEO, but it still requires careful handling of CMS structures, redirects, metadata, headings, page speed, schema, internal links, duplicate pages, and indexation controls.
Sometimes. Ranking drops can be caused by many factors, but technical problems such as broken redirects, noindex tags, canonical mistakes, crawl issues, migration errors, speed problems, and indexation gaps are common causes worth investigating quickly.
A technical SEO audit usually includes crawl diagnostics, status code review, redirect analysis, canonical checks, sitemap and robots review, indexation analysis, Core Web Vitals, schema review, internal linking, page architecture, mobile usability, and prioritized recommendations.
Yes. DEV.co can either implement the fixes directly or create clear technical tickets for your internal development team. That is the advantage of working with a team that understands both SEO and web development.
Start with the website URL, Google Search Console access if available, the current concerns, and any planned redesign, migration, or platform changes. From there, we can run a technical SEO audit and build a prioritized fix roadmap.
Start the Audit
Find and fix the technical issues limiting organic growth.
Book a technical SEO audit with DEV.co to identify crawl, indexation, performance, architecture, schema, migration, and development issues that may be holding your website back.
