# Parameter Landing Page Growth Score | YC W26 | 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-w26/parameter
Source observed: 2026-10-16T11:30:05.225Z
Last checked: 2026-10-20T07:46:57.859+00:00
Indexed: 2026-10-16T14:14:04.765+00:00

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# Parameter Landing Page Growth Score | YC W26

[← Back to YC W26](https://www.lazyweb.com/yc-w26)

We evaluate Parameter's landing page at [https://parameter.ai/?utm_source=ycombinator&utm_medium=referral&utm_campaign=parameter-profile](https://parameter.ai/?utm_source=ycombinator&utm_medium=referral&utm_campaign=parameter-profile) with our Growth Score. Parameter's overall score is **73/100**, updated **September 22, 2026**, and its weakest category is **Trust**.

## Overall ranking

1. Parameter — **73**
2. [XBOW — 72](https://www.lazyweb.com/growth-score/site/xbow.com)
3. [Terra Security — 68](https://www.lazyweb.com/growth-score/site/terra.security)
4. [Escape — 64](https://www.lazyweb.com/growth-score/site/escape.tech)
5. [Horizon3.ai (NodeZero) — 63](https://www.lazyweb.com/growth-score/site/horizon3.ai)
6. [Pentera — 61](https://www.lazyweb.com/growth-score/site/pentera.io)

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

## Category scores

| Category | Score | Rating or focus |
|---|---:|---|
| Trust | 48 | Poor |
| CTA | 68 | Fair |
| Value props | 82 | Strong |
| Mobile web | 82 | Strong |
| Information hierarchy | 84 | Strong |

[Trust breakdown](https://www.lazyweb.com/yc-w26/parameter#gs-trust) · [CTA breakdown](https://www.lazyweb.com/yc-w26/parameter#gs-cta) · [Value props breakdown](https://www.lazyweb.com/yc-w26/parameter#gs-value_props) · [Mobile web breakdown](https://www.lazyweb.com/yc-w26/parameter#gs-mobile_web) · [Information hierarchy breakdown](https://www.lazyweb.com/yc-w26/parameter#gs-information_hierarchy)

## Score over time

Our report includes a score-history visualization for Parameter, XBOW, Horizon3.ai (NodeZero), Pentera, Terra Security, and Escape.

## Trust — 48, Poor

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

![Parameter landing-page capture](https://zlfyzdmohcskkucuunmk.supabase.co/storage/v1/object/public/sites/growth-score/site/parameter.ai.jpg?v=2026-09-22T20%3A49%3A30.892%2B00%3A00)

### Trust signals shown in the comparison

| Product | Trust read |
|---|---|
| Parameter | “Backed by Y Combinator” badge above the hero headline |
| XBOW | “150+ security teams trust XBOW to find and prove the flaws attackers would actually exploit” |
| Horizon3.ai (NodeZero) | Video player branded “HORIZON3 — AI-NATIVE PROACTIVE SECURITY” below the hero, visible in the mobile capture |
| Pentera | Gartner Peer Insights Customers' Choice 2026 badge in the mobile capture |
| Terra Security | Product dashboard UI showing “Signals Received 148” and “5 Critical Findings” |
| Escape | “Trusted by 2000+ security teams worldwide” with Applied and Miro logos |

Trust-category ranking: [XBOW — 62](https://www.lazyweb.com/growth-score/site/xbow.com), [Escape — 58](https://www.lazyweb.com/growth-score/site/escape.tech), [Pentera — 52](https://www.lazyweb.com/growth-score/site/pentera.io), [Terra Security — 52](https://www.lazyweb.com/growth-score/site/terra.security), Parameter — **48**, and [Horizon3.ai (NodeZero) — 44](https://www.lazyweb.com/growth-score/site/horizon3.ai).

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

## CTA — 68, Fair

We assess whether the primary CTA's copy, size, verb, and cost-feel earn the click. Parameter's shown CTA is **“Book a call.”** The report identifies these problems:

- “call” feels costly and committal.
- It sells the meeting rather than the payoff.
- The payoff is not included in the label's microcopy.

CTA-category ranking: Parameter — **68**; [XBOW — 68](https://www.lazyweb.com/growth-score/site/xbow.com); [Terra Security — 68](https://www.lazyweb.com/growth-score/site/terra.security); [Escape — 66](https://www.lazyweb.com/growth-score/site/escape.tech); [Horizon3.ai (NodeZero) — 62](https://www.lazyweb.com/growth-score/site/horizon3.ai); and [Pentera — 58](https://www.lazyweb.com/growth-score/site/pentera.io).

[Rewrite this CTA](https://www.lazyweb.com/backlog?site=parameter.ai#opt-cta-writing) to generate primary and secondary options grounded in Parameter's offer and visitor objections.

## Value props — 82, Strong

The report evaluates whether the title, subtitle, and hero sell the product's true value. Parameter's headline and supporting copy are:

> **“Security at the speed of development.”**
>
> AI agents that find vulnerabilities in your web apps, APIs, and infrastructure. Continuously, not once a year.

### Working

- Names the speed-versus-security tension.
- “Not once a year” addresses pentest pain.
- The numbers strip adds hard proof.

### Could improve

- Hero art decorates rather than demonstrates.
- The **$30B+** claim strains credibility.
- **“24 hours”** proof is buried under the CTA.

Value-props ranking: [XBOW — 86](https://www.lazyweb.com/growth-score/site/xbow.com), Parameter — **82**, [Horizon3.ai (NodeZero) — 76](https://www.lazyweb.com/growth-score/site/horizon3.ai), [Pentera — 72](https://www.lazyweb.com/growth-score/site/pentera.io), [Terra Security — 72](https://www.lazyweb.com/growth-score/site/terra.security), and [Escape — 72](https://www.lazyweb.com/growth-score/site/escape.tech).

## Mobile web — 82, Strong

![Mobile web annotations on the mobile capture](https://zlfyzdmohcskkucuunmk.supabase.co/storage/v1/object/public/sites/growth-score/site/parameter.ai-mobile.jpg?v=2026-09-22T20%3A49%3A30.892%2B00%3A00)

- **Side-by-side CTA pair:** “Book a call” and “Learn more” retain desktop proportions instead of stacking near-full-bleed for thumb use.
- **Pixel-corner CTA styling:** Decorative pixel blocks on “Book a call” clutter the button edges and blur its tap boundary at phone scale.

## Information hierarchy — 84, Strong

![Information hierarchy annotations on the desktop capture](https://zlfyzdmohcskkucuunmk.supabase.co/storage/v1/object/public/sites/growth-score/site/parameter.ai.jpg?v=2026-09-22T20%3A49%3A30.892%2B00%3A00)

- **Learn more button:** Its white fill on a dark background out-contrasts the blue primary CTA, splitting first-glance attention.
- **Book a call CTA:** Pixel-corner decorations blur its edges and shrink its perceived click target; the CTA is also duplicated in the navigation.
- **Proof metrics strip:** Low-contrast dark-on-dark panels make the **$30B+** and **24/7** proof easy to miss when scanning.

## Competitors

Competitors are inferred from product, audience, and value proposition.

1. Parameter — **73**
2. [XBOW — 72](https://www.lazyweb.com/growth-score/site/xbow.com)
3. [Terra Security — 68](https://www.lazyweb.com/growth-score/site/terra.security)
4. [Escape — 64](https://www.lazyweb.com/growth-score/site/escape.tech)
5. [Horizon3.ai (NodeZero) — 63](https://www.lazyweb.com/growth-score/site/horizon3.ai)
6. [Pentera — 61](https://www.lazyweb.com/growth-score/site/pentera.io)

## Lazyweb actions

[Build proof section](https://www.lazyweb.com/backlog?site=parameter.ai#opt-trust-signals) and [rewrite this CTA](https://www.lazyweb.com/backlog?site=parameter.ai#opt-cta-writing) are available as report actions. The workspace also provides [Growth Score](https://www.lazyweb.com/growth-score), [Optimize](https://www.lazyweb.com/optimize), [Backlog](https://www.lazyweb.com/backlog), [Growth Reports](https://www.lazyweb.com/reports), [Experiments](https://www.lazyweb.com/experiments), [Flows](https://www.lazyweb.com/flows), and [Screens](https://www.lazyweb.com/screens).

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