Sitebulb sitebulb.comCan AI replace Sitebulb?
The core loop is buildable, but a dependable replacement becomes a real weekend or multi-day project. For Sitebulb, crawl an owned site and turn technical findings into prioritized, evidenced hints. The hard boundary is rule depth, visualization, reporting, javascript crawling, and agency workflow, plus crawl scale, rule depth, and operational polish.
01What it costs
Checked Aug 14, 2026 · source: sitebulb.com.
| Plan | Monthly | Billed yearly | What you get |
|---|---|---|---|
| Desktop Lite | $18 | $15/mo | 1 user; 10,000 URLs/audit; 100+ audit hints. |
| Desktop Pro | $42 | — | 1 user; 500,000 URLs/audit by default, configurable up to 2,000,000; 300+ audit hints. |
| Cloud Mini | $125 | $125/mo | 2 users; 50,000 total URLs/month; 50,000 URLs/audit; no concurrent audits; unlimited projects and connected accounts; 0 desktop licences. |
| Cloud Small | $245 | $245/mo | 5 users; 1,000,000 total URLs/month; 250,000 URLs/audit; no concurrent audits; unlimited projects and connected accounts; 5 desktop licences. |
| Cloud Medium | $495 | — | 10 users; 2,500,000 total URLs/month; 1,000,000 URLs/audit; concurrent audits; 10 desktop licences. |
| Cloud Enterprise | — | — | 10+ users; 5,000,000+ total URLs/month; 2,500,000+ URLs/audit; custom concurrency and desktop licences. |
Hidden costs: Extra Desktop users start at about $9.44/month or $7.31/month equivalent when billed £65/year. Cloud does not add project or JavaScript-rendering fees.
02Could AI build it for you?
The core job: Crawl a user-owned site, inspect HTML and rendered pages, turn technical findings into prioritized and evidenced hints, and export a reproducible audit.
What a working version needs:
- Python 3.12
- Playwright browsers
- permission to crawl the target site
- local disk space
Editorial comparison targets the Lite plan and a single-site audit tool DIY substitute. Recheck price before merge.
03What you'd give up
- rule depth, visualization, reporting, JavaScript crawling, and agency workflow
- massive hosted crawl capacity
- proprietary scoring
- continuous monitoring
- agency reporting and support
People still pay for Sitebulb because a crawler is buildable; professionals pay for years of edge-case handling and reports they can trust with clients. The recurring cost buys robots handling, rendering, canonicalization, deduplication, crawl traps, rule maintenance, scheduling, storage, and false positives, not just the visible interface.
04Free and cheaper alternatives
A free Mac crawler that turns nineteen issue types into a clean findings list and keeps crawl diffs.
Versus paying: Its nineteen checks and simple findings list are much narrower than Sitebulb's visual hints, prioritization and evidence-rich reporting.
getcrawly.com →A desktop crawler with 200 checks, issue evidence and project comparisons; the hint engine is younger, not imaginary.
Versus paying: Its hint engine and visual prioritization are younger and less proven than Sitebulb's mature audit guidance.
freecrawl.net →Unlimited crawls and a browser dashboard with audits; prioritization is plainer, but the evidence is there.
Versus paying: It has no durable project history and presents much plainer prioritization and evidence than Sitebulb.
librecrawl.com →Stores audits and sorts issues by severity; not as pretty as Sitebulb, equally capable of ruining your afternoon.
Versus paying: It produces a simpler severity list without Sitebulb's rich visual hints, explanations and guided investigation.
seonaut.org →Crawls locally, calculates a quality score and tells you what to fix first; almost suspiciously on brief.
Versus paying: Its fix-first scoring is useful, but its prioritization and guided evidence are less polished than Sitebulb's.
crawler.siteone.io →05The build prompt
Paste this into an AI coding tool (such as Claude, ChatGPT, Lovable or Replit) to build your own version.
Build a personal replacement for Sitebulb in an empty repository. Use Python 3.12, FastAPI, SQLite, Playwright, and an HTMX interface; do not offer alternative stacks. The core loop is: crawl a user-owned site, inspect HTML and rendered pages, turn technical findings into prioritized and evidenced hints, and export a reproducible audit. Make the first run work locally with one documented command. Store all user data locally by default and make export straightforward. Put secrets in .env, ship .env.example, and never commit credentials. Require an explicit ownership or permission acknowledgement before a crawl starts. Respect robots.txt, rate limits, canonical URLs, nofollow, redirects, and a configurable URL cap. Collect status, title, description, headings, canonical, robots, links, images, structured data, and rendered text. Detect duplicates, orphan candidates, broken links, redirect chains, missing metadata, and indexability conflicts. Show every issue with affected URLs, evidence, severity, and a concrete remediation note. Export crawl data and issues to CSV plus a self-contained HTML report. Include clear empty, loading, success, and recoverable error states. Add input validation, safe filenames, and graceful handling of unavailable APIs. Write focused tests for the core transformation and one end-to-end happy path. Create a README with setup, architecture, permissions, data location, and backup steps. Do not add accounts, billing, telemetry, analytics, or a hosted control plane. Deliberately leave out crawling sites without permission. Deliberately leave out web-scale backlink or keyword datasets. Deliberately leave out automated changes to production websites. Finish by running the tests and listing the exact commands used.
06Open-source starting points
- SEOnaut: Open-source technical SEO auditing application.
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App prices, verdicts, alternatives and build prompts are adapted from Can I Vibecode It? (MIT License, © 2026 Rob Hallam). Each price shows the date it was checked and its source. Prices change; confirm on the vendor's site before you decide.
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