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Dynamite (YC W24) — Personalize your website for every visitor in <300ms

Dynamite personalizes your website for every visitor in under 300ms, so they see what is most likely to convert. It installs on ANY website with one line of JavaScript and typically increases conversion rates by ~20%.

Dynamite is a Y Combinator company in the Winter 2024 batch. Its directory entry describes it as: Personalize your website for every visitor in <300ms. The founder listed is Samraaj Bath (Founder/CEO) (Y Combinator directory entry, October 31, 2023).

6 more companies from YC Winter 2024 ↓

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Dynamite

New accelerator entry · 2023-10-31 · the record

Winter 2024
batch
3
people
Early
stage
United States of America
region
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What the record says

BatchWinter 2024
Announced2023-10-31
StageEarly
StatusActive
Team size3
IndustryB2B
Sub-industryB2B -> Engineering, Product and Design
SectorsDesign Tools, Marketing, AI
RegionsUnited States of America, America / Canada
BasedSan Francisco, CA, USA
HiringNo
Sitehttps://usedynamite.com
Previously known asion design

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More on Dynamite and the records around it.

Also in YC Winter 2024

Same batch, B2B first.

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In their words

Dynamite personalizes your website for every visitor in under 300ms, so they see what is most likely to convert. It installs on ANY website with one line of JavaScript and typically increases conversion rates by ~20%. Dynamite uses browsing behavior, campaign context and connected customer data to select the right combination of approved content. You control the designs and what can change, through the dashboard or your AI agents via MCP. Dynamite is used across e-commerce and B2B, personalizing across messaging, customer stories, CTAs, product listings, imagery, and more. No two buyers have the same exact reasons for buying, they should see different content. Dynamite grew out of our work building ion.design, helping companies design and improve their websites autonomously with agents.

Want the whole picture on Dynamite?

Example from a real report (our sample on Target): “Target eliminated approximately 1,800 corporate positions, with around 1,000 employees receiving layoff notices and the remainder accounted for by eliminating open roles.” Source: NBC News

A Full Report on Dynamite: verified, sourced, every claim cited, ready in a few minutes. See pricing.

What the Full Report on Dynamite covers

  1. The Short Answer

  2. Which Company This Is

  3. What They Do, And How The Money Works

  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

  6. Who Pays Them, And Who They Are Up Against

  7. Warning Bells

  8. Sources

    1 cited source found

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First screen of a real sample Full Report on EchoStar: the verdict, 17 sections, 63 cited sources, built 2026-10-21A real finished report, first screen. Opens in a new tab.

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Sourced from the company's Y Combinator directory entry.

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Dynamite: Accepted into Y Combinator Winter 2024
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Permanent URL: https://mentionfox.com/funding/yc-dynamite
Last updated 2026-10-29
Primary record: Y Combinator directory entry
Dynamite (YC W24) — Personalize your website for every visitor in <300ms. MentionFox, 2026-10-29. https://mentionfox.com/funding/yc-dynamite