Here’s a practical, prioritized set of best SEO practices tailored for IT companies (managed services, software/SaaS, MSPs, consulting, dev tools). Organized so you can act on high-impact items first.

High-level focus

• Target decision-makers (CIOs/CTOs/IT managers) and technical buyers (dev teams) with separate content tracks.
• Emphasize credibility: case studies, certifications, security/compliance pages, partner badges, customer logos and metrics.
• Balance technical SEO with deep, helpful content that demonstrates expertise.

1. Research & keyword strategy

• Create keyword clusters by intent: awareness (what is X?), consideration (compare solutions), decision (buy/contract/pricing).
• Map keywords to pages: service pages for commercial intent, blog/pillars for informational intent, docs for technical queries.
• Include long-tail and troubleshooting queries developers/operators use (error messages, configuration steps).
• Prioritize keywords by business value (lead potential), search volume, and competition.

2. Technical SEO (must-haves)

• HTTPS everywhere; HSTS and proper certificate.
• Fast hosting / CDN; optimize server response times.
• Core Web Vitals: optimize LCP, CLS, INP (or FID where applicable).
• Mobile-first design and responsive layouts.
• XML sitemap and robots.txt configured, submitted to Google Search Console and Bing Webmaster Tools.
• Canonical tags to avoid duplicate content; handle faceted navigation and URL parameters (noindex or canonicalize).
• Structured data (JSON-LD): Organization, LocalBusiness, Service, SoftwareApplication, FAQ, BreadcrumbList, Review, JobPosting as relevant.
• Clean site architecture: logical categories, depth ≤ 3 clicks to main pages.
• Pagination & infinite scroll handled with rel="next/prev" or paginated indexable pages.
• Fix crawl errors, 404s, and broken links; ensure proper 301 redirects for moved content.

3. On-page & content structure

• Unique, benefit-driven title tags and meta descriptions. Use keyword + value: e.g., “Managed IT Services — 24/7 Support | Acme IT”.
• Clear H1 per page, descriptive subheaders (H2/H3) matching intent.
• Service pages structure: brief intro → problem → proposed solution → features/benefits → proof (case studies, metrics) → pricing/CTA.
• Use schema for FAQs and product/service to enhance SERP presence.
• Add technical pages: SLA, pricing, architecture diagrams, security/compliance pages (SOC2, ISO, GDPR).
• Avoid boilerplate content; make each location/service page unique.

4. Content strategy (what to publish)

• Pillar pages for major services (cloud migration, managed security, devops); cluster with how-to guides and case studies.
• Case studies with measurable results (before/after metrics), process, tech stack, and customer quotes.
• Technical blog posts that target long-tail dev/operator queries and demonstrate domain expertise (tutorials, best-practices, troubleshooting).
• Whitepapers, benchmarks, ROI calculators and gated assets for lead capture—support with SEO-friendly landing pages and schema.
• Product docs & API reference optimized for search (clear H1s, example code blocks, versioning).
• Video content (demos, webinars) with transcriptions and SEO-optimized titles/descriptions.

5. Link building & authority

• Earn links via case-study partners, vendor/partner pages, industry publications, technical communities, and open-source contributions (GitHub repos with docs).
• Sponsor or speak at industry events and get event pages linking back.
• Contribute guest technical posts to reputable tech blogs and trade publications.
• Create linkable assets: in-depth benchmarks, tools, templates, scripts, or datasets.

6. Local & multi-office SEO (if applicable)

• Claim and optimize Google Business Profile for each office; consistent NAP (name, address, phone).
• Create localized landing pages with unique content per location (avoid mass duplicate pages).
• Collect reviews on Google and industry-specific directories.

7. Developer & product SEO specifics

• Make docs crawlable and indexable (avoid rendering docs entirely via client-side JS without server-side rendering or prerendering).
• Provide canonical versions of docs and versioning info.
• Expose “How-to” and “Error message” pages for common search queries.
• Use code snippets, copyable examples, and meta descriptions that include product/version context.

8. CRO & lead capture

• Clear CTAs aligned with intent: “Request demo” on product pages, “Contact sales” on service pages, “Download whitepaper” on gated resources.
• Use event tracking for CTAs, form submissions, chat interactions, and clicks.
• A/B test landing pages and form lengths for conversion optimization.

9. Measurement & KPIs

• Track: organic sessions, keyword rankings for priority terms, organic lead conversions, pages per session, bounce rate/time on page, backlinks and referring domains.
• Use Google Search Console, Google Analytics (or alternative), and tools like Screaming Frog, Lighthouse, and an SEO rank tracker.
• Monthly SEO audit and quarterly content performance reviews.

10. Security, privacy & compliance signals

• Publicly document certifications, data handling, encryption, and privacy policy.
• Implement cookie consent and GDPR/CCPA-compliant forms where required.
• Ensure secure form handling and spam protection (reCAPTCHA alternatives with privacy considerations).

11. Common technical pitfalls for IT sites

• Indexing low-value pages (internal search results, admin pages, API keys docs) — noindex where appropriate.
• Duplicate content across region/service pages.
• Heavy client-side rendering for docs without SSR/prerender.
• Poorly optimized images and oversized assets that slow LCP.
• Overuse of generic sales copy—lack of technical depth for developer audiences.

Quick 90-day prioritized plan

• Week 1–2 (Quick wins): Run a technical audit, fix HTTPS/redirects, sitemap/robots, fix critical 404s, optimize title/meta for top service pages, submit to GSC.
• Month 1 (Low effort / high impact): Improve page speed (compress images, enable CDN, preconnect), add schema for top pages, claim Google Business Profile.
• Month 2 (Content): Build 1–2 pillar pages and 4 supporting blog posts; publish 1 detailed case study with metrics.
• Month 3 (Authority & growth): Outreach for 5–10 high-quality links, create a gated asset (whitepaper/ROI calculator), set up conversion tracking and reporting dashboard.

Practical examples & templates

• Title example (service page): Managed IT Services | 24/7 Support & Cloud Ops — [Company]
• Meta description: Expert managed IT services for SMBs and enterprises. 24/7 monitoring, cloud migrations, and SOC2-ready security. Request a free assessment.
• H1: Managed IT Services
• H2s: Why choose us / Our approach / Case study / Pricing & SLA / Contact

Tools to use (common, proven)

• Google Search Console, Bing Webmaster Tools
• Google Analytics / GA4 or an alternative analytics platform
• Lighthouse / PageSpeed Insights
• Screaming Frog, Sitebulb or other crawlers
• Ahrefs / SEMrush / Moz for research and backlink analysis
• Hotjar or FullStory for qualitative CRO insights

Final notes

• SEO for IT companies is a long-term play: combine technical excellence + authoritative, useful content targeted to buyer personas.
• Prioritize pages that align with revenue-generating services and then scale to broader technical content and docs.
• Regularly review security/compliance pages and case studies—these are powerful trust signals in B2B IT sales cycles.

If you want, I can:

• produce a prioritized keyword list for a specific IT service you provide,
• draft an SEO-optimized service page or pillar page outline,
• or create a 90-day task list with assignee-style items. Which would you like next?