Independent developer; ex-programmer, electromechanical engineer, and salesperson. Founded a company.

Guo Jason • Peerlist

HomeHeatCost helps US homeowners plan their heating costs. It publishes weekly residential propane prices for 38 states and heating oil prices for 21 states from the U.S. Energy Information Administration (EIA), with the data date and source shown next to every price. It also offers free calculators for winter heating cost, heating oil usage, natural gas heating, heat pump cost, size and installation, and furnace and AC replacement. No sign-up needed, and calculator inputs stay in your browser.

HomeHeatCost

AI Application Consulting & AI Application Product Development

AI Application Consulting/Product Development

InstantGames is an "instant-play" collection of free browser mini-games, focusing on a zero-download, zero-barrier lightweight gaming experience. You can play curated HTML5/H5 games directly on both desktop and mobile devices, covering popular categories such as casual, puzzle, action, and strategy. We prioritize stability, performance, and accessibility, optimizing first-screen loading and interaction latency to ensure smooth operation even in low-bandwidth or legacy device environments.The website is built using Next.js + React, deployed on Vercel, and utilizes Cloudflare for static acceleration and edge caching. The frontend design employs Tailwind CSS and Shadcn UI to ensure a consistent UI experience and rapid iteration. For continuous improvement and content governance, the site integrates Google Analytics and Microsoft Clarity, combining search data for recommendation and navigation optimization; comments and community interaction are powered by Waline, making it easy for players to share guides, report bugs, and suggest improvements.We curate and categorize games by theme and mechanics, providing tags such as "Easy to Start," "Fragmented Time," and "Hardcore Challenge" to help players find the right content in the shortest time possible. All pages are SEO-enhanced through semantic structures, Open Graph (OG) tags, structured data, and carefully crafted meta-information, making games and collections easier for Google/Bing to crawl and display, thereby increasing the discoverability of long-tail and emerging gameplay styles.Core Features:Instant Play: No downloads or registration required—just open and start.Mobile-Friendly: Responsive layout and touch-optimized.Curated Selection: Human-curated and data-driven categories and collections.Performance First: Lightweight resources, edge caching, and progressive enhancement.Discoverability: Structured content for Search and AI Overviews.Visit the site and start playing: <a target="_blank" rel="noopener noreferrer" class="break-all link-break text-gray-500 hover:underline" href="https://instantgames.top">https://instantgames.top</a>