
Saihajpreet Singh
Co-Founder, Lighthouse Local
Saihajpreet is a full-stack engineer and technical leader with deep expertise in scalable platforms, API infrastructure, and developer tooling. His career spans founding engineering roles at high-growth startups, open-source leadership within the GraphQL ecosystem, and site reliability work powering products used by millions. At Lighthouse Local, Saihajpreet leads engineering, building the platform that tracks whether ChatGPT, Gemini, Claude, Perplexity, and Google AI recommend local businesses, and turns every visibility gap into a plain-English fix.
Articles by Saihajpreet Singh.
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Do You Need an XML Sitemap? What It Does for Your SEO in 2026
An XML sitemap is the page list you hand search engines. Here's what Google reads in it, what it ignores, whether a local business site needs one, and how to check yours in two minutes.

Where AI Gets Its Data About Your Local Business (2026)
Nearly 2 million logged citations show exactly where AI assistants pull local business facts from. The list is shorter than you'd guess, and you can claim every spot on it.

AggregateRating Schema, and Why Your Star Ratings Might Not Show
AggregateRating is the schema that puts your star rating in code machines can read. Here's how it works, the reason your own stars often won't show in Google search, and how to write one that holds up.

Core Web Vitals in Plain English, and How to Improve Yours
Someone told you your site "fails Core Web Vitals" and it sounded like a foreign language. Here's what LCP, INP, and CLS actually mean, how to measure them in Chrome, and how to fix them with AI.

What Is Local Schema Markup, and How Do You Add It?
A few lines of code can tell Google and AI exactly what your business is, where it works, and when it's open, no guessing required. Here's how local schema markup works, and how to add it in one sitting.

What Is an llms.txt File, and Do You Need One?
More AI models read your site before they recommend anyone. An llms.txt file hands them a clean summary instead of your raw code. Here's what it is, whether you need one, and where it goes.

How to Get Your Business Recommended by AI
When a customer asks AI for a business like yours, only a few names come up. Here's how AI decides who to recommend, how to check where you stand, and what to fix to get named more often.

How Reviews Shape AI Recommendations
The assistants that recommend businesses lean heavily on your reviews, how many, how recent, how good, and what they say. Here's how reviews feed AI recommendations, and how to make yours work harder.