Hi, Rayhan here!

I write tech, life, and book review thingy. If you're reading this, most likely you either:

• found one of my blog from your browser's search result
• know my social media which has the link to this page

I hope you find this website by browsing something and my contents show up at the top of the search result because that means they have a good SEO rank

Latest blog

Use Haversine to Cut Google Maps Requests by 80 Percent

Straight-line first, Google Maps only for the shortlist

Thursday, 5 November 2026