OnCrawl vs Sitebulb
OnCrawl (Web SaaS) and Sitebulb (Web SaaS) both compete in Technical SEO Auditing & Indexing. On pricing, OnCrawl lists Custom / enterprise pricing (no free plan disclosed), whereas Sitebulb lists $11–$125/mo (no free plan disclosed). Technically, OnCrawl is rated L3 · Conditional automation with a 4.2/5.0 (Proprietary moat) moat, while Sitebulb is rated L2 · Workflow copilot with a 4.2/5.0 (Proprietary moat) moat. Corporate profile: OnCrawl (founded 2013, HQ Mérignac, Nouvelle-Aquitaine, €3.5M funding) vs. Sitebulb (founded 2017, HQ Biddenden, United Kingdom). Fact-checked by Jiacky Lee (Oct 15, 2026) for OnCrawl and Tim Fenolz (Oct 7, 2026) for Sitebulb. At a 5-seat team baseline, OnCrawl starts at Custom quote vs Sitebulb at ~$42/mo.
OnCrawl
Enterprise technical SEO platform combining cloud-based web crawling and server log analysis to optimize organic search visibility and indexing.
5-Seat Floor: Custom quote (Custom / enterprise pricing) · Autonomy: L3 · Conditional automation · Moat: 4.2/5.0 (Proprietary moat)
Target fit: DTC / eCommerce, Enterprise Brands (Web SaaS)
Sitebulb
Technical website crawler offering desktop and cloud-based site auditing with visual crawl maps, JavaScript rendering, and automated issue prioritization.
5-Seat Floor: ~$42/mo ($11–$125/mo) · Autonomy: L2 · Workflow copilot · Moat: 4.2/5.0 (Proprietary moat)
Target fit: DTC / eCommerce, Enterprise Brands (Web SaaS)
How OnCrawl and Sitebulb differ
- Pricing model: OnCrawl is enterprise / quote, Sitebulb is subscription.
- Sitebulb publishes an entry price ($11–$125/mo); OnCrawl does not (Custom / enterprise pricing).
- AI autonomy: OnCrawl is rated L3 · Conditional automation, Sitebulb L2 · Workflow copilot on the MarTechRadar scale.
- OnCrawl was founded earlier (2013) than Sitebulb (2017).
- Headquarters: OnCrawl in Mérignac, Nouvelle-Aquitaine, Sitebulb in Biddenden, United Kingdom.
- Funding stage: OnCrawl is Acquired; Sitebulb is Bootstrapped.
- Company headcount: OnCrawl is 51-200 employees; Sitebulb is 2-10 employees.
Computed from the fields below. Only editor-verified ratings and vendor-sourced prices are compared.
When to choose OnCrawl vs Sitebulb (and when to walk away)
Choose OnCrawl if
- Target ICP & Stack Fit: You operate as DTC / eCommerce and Enterprise Brands requiring a Web SaaS deployment for Technical SEO.
- L3 Architecture & Defensibility: Deep log file correlation engine merged with large-scale distributed crawling algorithms, underpinned by technical data cross-referencing capabilities post-acquisition by BrightEdge.
- Commercial Model Fit: Your procurement budget aligns with Custom / enterprise pricing.
Walk away from OnCrawl if
- Walk away if you require transparent self-serve monthly billing or your budget ceiling is under $1,000/mo (OnCrawl requires sales-gated custom quoting).
- Walk away if your workflow cannot tolerate log ingestion latency and configuration: Deploying the log monitoring module requires sustained SysOps intervention to set up log shipping pipelines (such as S3 buckets, FTP, or syslog relays), causing multi-week deployment delays if server architectures are fragmented.
- Walk away if high javascript rendering overhead is a deal-breaker for your team: Executing full browser DOM hydration across millions of pages consumes substantial computing credits, which forces teams to throttle render depth on heavy client-side applications.
Choose Sitebulb if
- Target ICP & Stack Fit: You operate as DTC / eCommerce and Enterprise Brands requiring a Web SaaS deployment for Technical SEO, with verified ecosystem connectivity for Google Analytics 4 (GA4), Google Search Console, Model Context Protocol (MCP).
- L2 Architecture & Defensibility: Sitebulb maintains differentiation through its proprietary diagnostic hints engine that converts raw structural crawl telemetry into prioritized visual explanations, paired with native Model Context Protocol (MCP) endpoints for local LLM orchestration.
- Commercial Model Fit: Your procurement budget aligns with $11–$125/mo.
Walk away from Sitebulb if
- Walk away if your workflow requires uncapped enterprise volume on the $11–$125/mo entry plan without upgrading tiers.
- Walk away if your workflow cannot tolerate local hardware resource contention: Desktop installations depend heavily on local CPU and RAM availability during headless Chromium JavaScript execution, triggering performance bottlenecks on multi-hundred-thousand-URL crawls.
- Walk away if rendering queue latency is a deal-breaker for your team: Heavy client-side single-page applications cause rendering wait states, slowing audit completion rates compared to non-rendering HTML crawlers on extensive inventories.
Side-by-side facts
| Field | OnCrawl | Sitebulb |
|---|---|---|
| Subtrack | Technical SEO Auditing & Indexing | Technical SEO Auditing & Indexing |
| Pricing | Custom / enterprise pricing | $11–$125/mo |
| Pricing model | Enterprise / quote | Subscription |
| Published pricing tiers | Enterprise / Custom (Custom quote) | Entry / Starter ($11/mo) · Lite ($18/mo) · Pro ($42/mo) |
| Free access | No free plan disclosed | No free plan disclosed |
| Enterprise plan | Yes | Not recorded |
| AI autonomy level | L3 · Conditional automation | L2 · Workflow copilot |
| Moat tier & score | 4.2 / 5.0 · Proprietary moat | 4.2 / 5.0 · Proprietary moat |
| Delivery | Web SaaS | Web SaaS |
| Audience | DTC / eCommerce, Enterprise Brands | DTC / eCommerce, Enterprise Brands |
| Ecosystem integrations | — | Google Analytics 4 (GA4), Google Search Console, Model Context Protocol (MCP) |
| Funding & backing | €3.5M · Acquired by BrightEdge | Bootstrapped |
| Founders | Francois Goube, Tanguy Moal | — |
| Company size | 51-200 employees | 2-10 employees |
| Founded | 2013 | 2017 |
| Headquarters | Mérignac, Nouvelle-Aquitaine | Biddenden, United Kingdom |
| Fact-checked | Jiacky Lee, Oct 15, 2026 | Tim Fenolz, Oct 7, 2026 |
| Governance & docs | Trust & Security ↗ · Terms ↗ · Privacy ↗ | Changelog ↗ |
OnCrawl vs Sitebulb: TCO & constraint stress test
Test how both tools behave under your team size, monthly budget ceiling, CRM ecosystem, and governance guardrails.
OnCrawl
High Deal-Risk · Constraint Mismatch- Opaque Enterprise Quoting vs. SMB/Mid-Market Budget: OnCrawl does not disclose a public self-serve floor (Custom / enterprise pricing). Buyers with a $800/mo cap face high sales-qualification friction.
- Sales-Gated Contract Terms: OnCrawl operates an enterprise subscription model without public off-the-shelf tiers. Commercial pricing is available on request through tailored enterprise sales quotes based on organizational scale and seats.
- Primary Operational Bottleneck: Log Ingestion Latency and Configuration: Deploying the log monitoring module requires sustained SysOps intervention to set up log shipping pipelines (such as S3 buckets, FTP, or syslog relays), causing multi-week deployment delays if server architectures are fragmented.
Walk-Away Rule: Walk away if you require transparent self-serve monthly billing or your budget ceiling is under $1,000/mo (OnCrawl requires sales-gated custom quoting).
Negotiation Lever: Demand a 30- to 60-day paid pilot opt-out clause in the OnCrawl order form before signing a 12-month enterprise commitment.
Sitebulb
Low Procurement Risk · Strong Fit- Published Self-Serve Entry Floor: Sitebulb publishes a transparent entry point ($11–$125/mo) for initial validation before committing.
- Tier Fit for 5-Seat Scale: Lite ($18/mo): 10,000 URLs per audit
- Primary Operational Bottleneck: Local Hardware Resource Contention: Desktop installations depend heavily on local CPU and RAM availability during headless Chromium JavaScript execution, triggering performance bottlenecks on multi-hundred-thousand-URL crawls.
Walk-Away Rule: Walk away if your workflow requires uncapped enterprise volume on the $11–$125/mo entry plan without upgrading tiers.
Negotiation Lever: Validate exact quota thresholds (seats, credits, or API calls) included in Sitebulb's $11–$125/mo tier before converting from monthly to annual billing.
Limitations
OnCrawl
Operational considerations and platform boundaries include: Log Ingestion Latency and Configuration: Deploying the log monitoring module requires sustained SysOps intervention to set up log shipping pipelines (such as S3 buckets, FTP, or syslog relays), causing multi-week deployment delays if server architectures are fragmented.Full limitations in the OnCrawl review
Sitebulb
Operational considerations and platform boundaries include: Local Hardware Resource Contention: Desktop installations depend heavily on local CPU and RAM availability during headless Chromium JavaScript execution, triggering performance bottlenecks on multi-hundred-thousand-URL crawls.Full limitations in the Sitebulb review
Official vendor architectural differentiators & migration proof
To help buyers evaluate real-world switching costs, verified founders, solutions architects, and PMMs at both OnCrawl and Sitebulb can submit up to 3 evidence-backed architectural differentiators or verified customer migration case studies.
Why teams choose OnCrawl over Sitebulb
Work at OnCrawl? Verify your official domain email to publish 3 technical differentiators, migration benchmarks, or a head-to-head buyer sandbox offer on this comparison page:
+ Submit OnCrawl Official Differentiators & Case Study →Why teams choose Sitebulb over OnCrawl
Work at Sitebulb? Verify your official domain email to publish 3 technical differentiators, migration benchmarks, or a head-to-head buyer sandbox offer on this comparison page:
+ Submit Sitebulb Official Differentiators & Case Study →Pricing notes & tier schedules
OnCrawl: Custom / enterprise pricing
OnCrawl operates an enterprise subscription model without public off-the-shelf tiers. Commercial pricing is available on request through tailored enterprise sales quotes based on organizational scale and seats.
- Enterprise / Custom (Custom quote, 15–50+ seats (Enterprise SLA)): Sales-negotiated annual contract for custom volume, SSO/RBAC governance, and dedicated SLA.
- Credit & Usage Burn Multiplier: Automated workflows consume metered credits/usage quotas; multi-step enrichment, voice minutes, or high-frequency agent runs can trigger mid-cycle top-up packs.
- Log Ingestion Latency and Configuration: Deploying the log monitoring module requires sustained SysOps intervention to set up log shipping pipelines (such as S3 buckets, FTP, or syslog relays), causing multi-week deployment delays if server architectures are fragmented.
Sitebulb: $11–$125/mo
Commercial access operates across modular monthly tiers spanning desktop installs and hosted cloud instances. Entry pricing begins at $11 per month for single-project or localized usage scopes, scaling through standard packages at $18 and $42 monthly based on seat allocations and URL quotas.
- Entry / Starter ($11/mo, 1–2 seats): 500,000 URLs per audit
- Lite ($18/mo, 5 seats): 10,000 URLs per audit
- Pro ($42/mo, 15 seats): Verified $42/mo tier from vendor pricing schedule.
- Local Hardware Resource Contention: Desktop installations depend heavily on local CPU and RAM availability during headless Chromium JavaScript execution, triggering performance bottlenecks on multi-hundred-thousand-URL crawls.
- Rendering Queue Latency: Heavy client-side single-page applications cause rendering wait states, slowing audit completion rates compared to non-rendering HTML crawlers on extensive inventories.
Frequently asked questions: OnCrawl vs Sitebulb
How does OnCrawl pricing compare to Sitebulb in 2026?
OnCrawl is listed at Custom / enterprise pricing (enterprise / quote, no free plan disclosed), whereas Sitebulb is listed at $11–$125/mo (subscription, no free plan disclosed).
How do OnCrawl and Sitebulb compare on AI autonomy and moat depth?
On the MarTechRadar L1–L5 scale, OnCrawl is rated L3 · Conditional automation with a Proprietary moat moat (4.2/5.0), while Sitebulb is rated L2 · Workflow copilot with a Proprietary moat moat (4.2/5.0).
Which teams are OnCrawl and Sitebulb built for?
OnCrawl is a Web SaaS product in Technical SEO Auditing & Indexing designed for DTC / eCommerce, Enterprise Brands. Sitebulb is a Web SaaS product in Technical SEO Auditing & Indexing designed for DTC / eCommerce, Enterprise Brands.
What are the main limitations of OnCrawl vs Sitebulb?
For OnCrawl: Operational considerations and platform boundaries include: Log Ingestion Latency and Configuration: Deploying the log monitoring module requires sustained SysOps intervention to set up log shipping pipelines (such as S3 buckets, FTP, or syslog relays), causing multi-week deployment delays if server architectures are fragmented. For Sitebulb: Operational considerations and platform boundaries include: Local Hardware Resource Contention: Desktop installations depend heavily on local CPU and RAM availability during headless Chromium JavaScript execution, triggering performance bottlenecks on multi-hundred-thousand-URL crawls.
What are the hidden TCO drivers and contract negotiation levers for OnCrawl vs Sitebulb?
For OnCrawl: Credit & Usage Burn Multiplier (Automated workflows consume metered credits/usage quotas; multi-step enrichment, voice minutes, or high-frequency agent runs can trigger mid-cycle top-up packs.) Negotiation lever: Demand a 30- to 60-day paid pilot opt-out clause in the OnCrawl order form before signing a 12-month enterprise commitment. For Sitebulb: Local Hardware Resource Contention (Desktop installations depend heavily on local CPU and RAM availability during headless Chromium JavaScript execution, triggering performance bottlenecks on multi-hundred-thousand-URL crawls.) Negotiation lever: Validate exact quota thresholds (seats, credits, or API calls) included in Sitebulb's $11–$125/mo tier before converting from monthly to annual billing.
Excerpts are quoted verbatim from each fact-checked review. Last updated Oct 15, 2026.