11ty
Depends
Confidence: Medium
Buy if you are a developer (or have one) building a fast content site and want zero licence cost.
Comparison
11ty vs Astro
11ty lands on Depends, and Astro lands on Worth it.
Astro
Worth it
Confidence: Medium
Use it if you have developers and a content-heavy site . it's free, open source, and developers call it fantastic.
| Compare | 11ty | Astro |
|---|---|---|
| Verdict | Depends | Worth it |
| Best for | Developer-built marketing sites | Content-heavy marketing sites |
| Who it's not for | Non-technical teams wanting a drag-and-drop builder | Non-technical teams wanting a website builder |
| Privacy | Core project maintains a security policy and hardened npm publishing; no core breaches found, but one malicious third-party plugin and dependency audit warnings exist.12 | Active CVE stream in 2025-2026 . SSRF via host-header handling and XSS in image endpoints; patches shipped via GitHub advisories. |
| Support quality | Community-only help; no vendor SLA evidence. | No support evidence found |
| Public sentiment | Developer sentiment is strongly positive on speed and simplicity, with recurring caveats that it demands coding skills and its project direction has sparked debate.⁷ | Developer sentiment is strongly positive . called fantastic and able to do it all . with ongoing debate about when it's the wrong fit. |
| Biggest gotcha | No paid support or SLA exists; help is docs, forums, and community goodwill.⁵ | Free software, but the real cost is developer time . agencies charge real money for builds |
Pick 11ty when
- Developer-built marketing sites
- Blogs and documentation
- Headless CMS front ends
- Performance-critical static sites
When 11ty is not a fit
- Non-technical teams wanting a drag-and-drop builder
- Buyers who need vendor support or an SLA . none exists
- Apps with user accounts and server-side data
- Teams unwilling to maintain Node tooling
Pick Astro when
- Content-heavy marketing sites
- Blogs and docs sites
- Dev teams leaving WordPress or Gatsby
- Mixed static + dynamic pages
When Astro is not a fit
- Non-technical teams wanting a website builder
- No-code founders . use Squarespace or Framer instead
- App-heavy products where Next.js fits better
- Teams needing vendor SLAs and support contracts
Sources
official
- Template Languages - Eleventy11ty.devofficial
- Eleventy on Open Collectiveopencollective.comofficial
- I used 11ty and... It's awesome - James Hilljameshill.devreview
- 11ty: The Good, the Bad, and the... Possum?aleksandrhovhannisyan.comreview
review
- The End of Eleventy : r/webdevreddit.comreview
- Malicious Package in 11ty-simple-page-post-creatorsecurity.snyk.iosecurity
security
news
- Astro . official siteastro.buildofficial
- Why Microsoft Chose Astro (case study)astro.buildofficial