# yfdev.com

> AI-optimized mirror of yfdev.com containing 25 pages totalling 20,158 words of clean markdown content, structured data, and semantic HTML. Original source: https://yfdev.com/. Last updated: 2026-06-15T22:58:34.901Z.

Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG).

## Homepage

- [Website Design  & Marketing Solutions](/content/site-root.html): Serving Long Island and New York for over 25 years, Yellowfin Development specializes in web design, web development, and digital marketing, creating responsive, mobile-friendly websites tailored to businesses of all sizes. (1,177 words)

## Articles & Blog Posts

- [on-boarding-questionnaire/index.html](/content/on-boarding-questionnaire/index.html) (1 words)
- [services/index.html](/content/services/index.html) (1 words)
- [MOBILE & APPS](/content/services/mobile-apps/index.html) (891 words)
- [PARTNER WITH US](/content/partnership/index.html): Yellowfin Development is always looking to expand our services through strategic partnerships with like-minded companies and individuals. (643 words)
- [Long Island's Best Website Hosting Service](/content/services/long-islands-best-website-hosting-service/index.html): Long Island's Best Website Hosting Service - Free consultation to discuss your web hosting needs, speak to a real human being. (1,031 words)
- [E-COMMERCE SOLUTIONS](/content/services/ecommerce-solutions/index.html) (1,010 words)
- [New York Web Design](/content/new-york-web-design/index.html): Yellowfin offers effective design, development & marketing solutions for websites, including hosting, maintenance, design & development. (774 words)
- [CMS DEVELOPMENT](/content/services/cms-development/index.html) (1,013 words)
- [HOSTING & MANAGEMENT](/content/services/hosting-management/index.html) (964 words)
- [LONG ISLAND WEB DESIGN](/content/long-island-web-design/index.html): Yellowfin offers effective design, development & marketing solutions for websites, including hosting, maintenance, design & development. (782 words)
- [CONTENT STRATEGY](/content/services/content-strategy/index.html) (858 words)
- [WEB DESIGN](/content/services/web-design/index.html) (1,035 words)
- [INTERNET TECHNOLOGY](/content/how-to-get-started-with-bitcoin-btc/index.html) (1,102 words)
- [“New Year, New Me”](/content/new-year-new-me-website-checklist-edition/index.html) (1,455 words)
- [YELLOWFIN BLOG](/content/blog/index.html): Read the latest news and updates from Yellowfin Development regarding Website hosting, development, tech news, maintenance and SEO. (2,968 words)
- [Stephen Knight Personal Portfolio](/content/stephen-knights-personal-portfolio/index.html): Stephen Knight's Personal Portfolio containing projects old and new completed over the years as a website designer and developer. (1,191 words)
- [Website Repair](/content/services/website-repair-updates-maintenance/index.html): Need to fix or update your website? We repair broken sites, update content, and keep things running fast and secure. Based in Long Island, NY. (1,232 words)
- [Portfolio](/content/portfolio-sitemap-xml.html) (74 words)
- [SEARCH ENGINE OPTIMIZATION](/content/services/search-engine-optimization/index.html) (1,735 words)
- [Understanding Bitcoin](/content/post-sitemap-xml.html) (113 words)
- [Testimonials](/content/testimonials-sitemap-xml.html) (18 words)
- [page-sitemap-xml.html](/content/page-sitemap-xml.html) (48 words)
- [services-sitemap-xml.html](/content/services-sitemap-xml.html) (30 words)
- [sitemap_index-xml.html](/content/sitemap_index-xml.html) (12 words)

## Resources

- [Full Page Index](/index.html): Browse all cached pages with rich metadata
- [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines
- [XML Sitemap](/sitemap.xml): Machine-readable sitemap for crawler discovery
- [Robots.txt](/robots.txt): Crawler directives