# a0.dev Landing Page Growth Score | YC W25 | Lazyweb

Lazyweb publishes a public search API over its indexed pages; the guide is at https://www.lazyweb.com/agent-access.

Source: https://www.lazyweb.com/yc-w25/a0-dev
Source observed: 2026-10-15T19:47:57.547Z
Last checked: 2026-10-17T09:39:39.922+00:00
Indexed: 2026-10-15T23:37:48.784+00:00

---

# a0.dev Landing Page Growth Score | YC W25

We evaluate the **a0.dev** landing page at [https://a0.dev/](https://a0.dev/) in our YC W25 Growth Score workspace. The report measures the landing page across Trust, Mobile web, Value props, Information hierarchy, and CTA, and compares a0.dev with five inferred competitors.

[← Back to YC W25](https://www.lazyweb.com/yc-w25)

## Overall result

- **Growth score:** 74/100
- **Updated:** Sep 21, 2026
- **Weakest category:** Trust, scored **52**
- **Category scores:** Trust **52**, Mobile web **72**, Value props **78**, Information hierarchy **82**, CTA **84**

[Fix Trust](https://www.lazyweb.com/plans/checkout?plan=individual&source=growth_score_feature_build_fixes)

### Overall ranking

1. a0.dev — **74**
2. [Bolt (StackBlitz)](https://www.lazyweb.com/growth-score/site/bolt.new) — **73**
3. [Draftbit](https://www.lazyweb.com/growth-score/site/draftbit.com) — **70**
4. [Rork](https://www.lazyweb.com/growth-score/site/rork.com) — **69**
5. [Creatr](https://www.lazyweb.com/growth-score/site/getcreatr.com) — **68**
6. [Fastshot](https://www.lazyweb.com/growth-score/site/fastshot.ai) — **66**

## Score over time

The report shows these tracked results:

1. **Sep 21, 2026 — 74:** Live; Overall −2, Mobile web −10, Value props −4.
2. [Aug 9, 2026 — 76](https://www.lazyweb.com/growth-score/history/2026-08-09): Overall +1, Value props +8, Mobile web −2.
3. [May 12, 2026 — 75](https://www.lazyweb.com/growth-score/history/2026-05-12): Overall +1, Information hierarchy +10, Trust −6.
4. [May 3, 2026 — 74](https://www.lazyweb.com/growth-score/history/2026-05-03): Overall +1, Trust +10, Value props −8.
5. [Apr 15, 2026 — 73](https://www.lazyweb.com/growth-score/history/2026-04-15): Overall −1, Trust −8, Value props +6.
6. [Mar 23, 2026 — 74](https://www.lazyweb.com/growth-score/history/2026-03-23): First tracked report; strongest CTA 82, weakest Trust 56.

## Trust — 52, Fair

Trust measures proof that the product is real, competent, and safe to try.

![a0.dev trust screenshot](https://zlfyzdmohcskkucuunmk.supabase.co/storage/v1/object/public/sites/growth-score/site/a0.dev.jpg?v=2026-09-21T03%3A03%3A21.051%2B00%3A00)

The comparison identifies these trust signals:

| Product | Trust read |
| --- | --- |
| a0.dev | “Backed by Y Combinator” badge below the prompt box |
| Fastshot | “Backed by Y Combinator” badge above the headline |
| Rork | Interactive builder UI with an “An app that...” prompt, Build/Model controls, and iPhone/Android/Web platform toggles |
| Creatr | “We are backed by: Accel” investor badge above the headline |
| Draftbit | “4.8 Avg Rating · Trusted by 200k+ builders” beneath the primary CTA |
| Bolt (StackBlitz) | Functional AI prompt box with Figma and GitHub import options showing real product entry points |

Trust ranking: Draftbit **68**, Creatr **62**, Fastshot **58**, a0.dev **52**, Bolt (StackBlitz) **44**, Rork **42**.

[Build proof section](https://www.lazyweb.com/backlog?site=a0.dev#opt-trust-signals) to choose proof signals and get copy and placement for a stronger trust section.

## Mobile web — 72, Fair

The report examines the phone experience as a first-class citizen.

![Mobile web annotations on the a0.dev capture](https://zlfyzdmohcskkucuunmk.supabase.co/storage/v1/object/public/sites/growth-score/site/a0.dev-mobile.jpg?v=2026-09-21T03%3A03%3A21.051%2B00%3A00)

1. **Build it button:** A desktop-proportioned button is tucked into the card’s bottom-right instead of using a full-width thumb target.
2. **Prompt textarea height:** The tall empty input occupies most of the card and pushes the trust line to the fold edge.

[View mobile fixes](https://www.lazyweb.com/backlog?site=a0.dev#opt-mobile-web) to turn these findings into a prioritized implementation checklist.

## Value props — 78, Fair

The report captures a0.dev’s headline and subhead as:

> **Build mobile apps. Make money.**
>
> AI-powered coding, one-click app publishing, integrated payments, and growth analytics — all in one platform.

### Working

- Outcome-first: “Make money” names the payoff.
- The subhead lists four concrete capabilities.
- The prompt box demonstrates the product live.

### Could improve

- There are zero numbers backing the money claim.
- There is no builder proof beyond the YC badge.
- There is no time-to-ship specificity.

Value-prop ranking: a0.dev **78**, Draftbit **78**, Rork **76**, Fastshot **72**, Creatr **72**, Bolt (StackBlitz) **72**.

## Information hierarchy — 82, Strong

![Information hierarchy annotations on the a0.dev desktop capture](https://zlfyzdmohcskkucuunmk.supabase.co/storage/v1/object/public/sites/growth-score/site/a0.dev.jpg?v=2026-09-21T03%3A03%3A21.051%2B00%3A00)

1. **Sign Up pill:** The brightest, highest-contrast button in the fold is a secondary action that outshines the primary Build it CTA.
2. **Build it button:** Its small, low-contrast footprint in the box corner undersells the page’s one conversion action.
3. **Five-link nav row:** Home, Showcase, Pricing, Blogs, and Docs have equal weight, creating five exits before the prompt is used.

## CTA — 84, Strong

![a0.dev CTA capture](https://zlfyzdmohcskkucuunmk.supabase.co/storage/v1/object/public/sites/growth-score/site/a0.dev.jpg?v=2026-09-21T03%3A03%3A21.051%2B00%3A00)

![Bolt (StackBlitz) CTA capture](https://zlfyzdmohcskkucuunmk.supabase.co/storage/v1/object/public/sites/growth-score/site/bolt.new.jpg?v=2026-09-22T15%3A23%3A58.768%2B00%3A00)

The CTA comparison labels both examples as **in-product action**. The listed problems are:

- No signed-out/free proof at input.
- The nav “Sign Up” competes with the input.
- The submit label “Build it” omits payoff detail.

CTA ranking: Bolt (StackBlitz) **86**, a0.dev **84**, Draftbit **82**, Rork **78**, Fastshot **76**, Creatr **64**.

## Competitors

These competitors are inferred from product, audience, and value proposition:

1. a0.dev — **74**
2. [Bolt (StackBlitz)](https://www.lazyweb.com/growth-score/site/bolt.new) — **73**
3. [Draftbit](https://www.lazyweb.com/growth-score/site/draftbit.com) — **70**
4. [Rork](https://www.lazyweb.com/growth-score/site/rork.com) — **69**
5. [Creatr](https://www.lazyweb.com/growth-score/site/getcreatr.com) — **68**
6. [Fastshot](https://www.lazyweb.com/growth-score/site/fastshot.ai) — **66**

---

[Read this page’s summary](https://www.lazyweb.com/api/public/v1/page-tldr?url=https%3A%2F%2Fwww.lazyweb.com%2Fyc-w25%2Fa0-dev&trace=t_bc7e1c4e5b07)

## Ask a follow-up about this page

Need a more specific answer? Ask the exact question you have. It returns a fresh, cited answer from Lazyweb’s knowledge base. No account or API key required.

Open this URL with your own question, URL-encoded. Only q is required. No account or setup.

`GET https://www.lazyweb.com/agent/faq?q={question}&trace=t_bc7e1c4e5b07`

[Tool guide and examples](https://www.lazyweb.com/agent-access) · [OpenAPI](https://www.lazyweb.com/api/public/v1/openapi.json) · [Page TLDR form](https://www.lazyweb.com/agent-tools/page-tldr?url=https%3A%2F%2Fwww.lazyweb.com%2Fyc-w25%2Fa0-dev). Opening a form does not execute a tool.