Sitebulb vs URL Profiler in 2026: technical SEO crawler with prioritized hints vs bulk URL data collection for audits and outreach
One crawls a site and tells you what is broken, ranked by severity. The other runs a list of URLs you already have through Moz, Majestic, Ahrefs, and a dozen other data sources and hands you a spreadsheet.
Sitebulb
URL Profiler- Sitebulb is a crawl-based technical SEO auditor with 300+ prioritized Hints; URL Profiler is a bulk data-collection tool that enriches a URL list you supply with link metrics, content scores, and contact data.
- JavaScript rendering is included on every Sitebulb tier, including the $18 Lite plan. URL Profiler does not document JS rendering support; its checks run against the URLs and data sources you configure.
- URL Profiler processes up to 1,000,000 URLs per import on its Pro and Agency plans, starting at $25.95/month. Sitebulb's ceiling is 10 million URLs per audit, but only on Cloud, which starts at $125/month.
- URL Profiler requires you to supply your own API keys for Moz, Majestic, and Ahrefs to pull link metrics. Sitebulb has no comparable third-party backlink data pull built into the product.
- Sitebulb produces branded PDF reports and data visualizations on its Pro and Cloud tiers. URL Profiler has no built-in reporting layer; output is a raw CSV or spreadsheet for you to analyze elsewhere.
- URL Profiler scrapes email addresses and WHOIS registration data for outreach and link-building prospecting. Sitebulb has no contact-harvesting feature, since it is built to find site issues, not build prospect lists.
- Both tools offer a 14-day free trial with no credit card required, and both ship as desktop-first products. Sitebulb also has a Cloud tier for team collaboration; URL Profiler is desktop-only on Windows or Mac.
Sitebulb and URL Profiler both live in the technical SEO toolbox, but they answer different questions. Sitebulb crawls a site from scratch and surfaces what is wrong with it, 300+ prioritized Hints ranked by severity, JavaScript rendering included on every tier, starting at $18 a month. URL Profiler does not crawl in that sense; you feed it a list of URLs you already have and it pulls link metrics, readability scores, social data, email addresses, and WHOIS records for every one of them in a single pass, for as little as $19.95 a month billed yearly. Sitebulb tells you what to fix on a site. URL Profiler tells you everything it can find about a list of URLs, which is a different job used by different teams: technical auditors on one side, link builders and outreach teams on the other.
The tools at a glance
Sitebulb
Website crawler for technical SEO audits with prioritized hints and visual reporting
Sitebulb crawls a website and turns what it finds into a ranked list of things to fix. Every crawl produces 300+ Hints across technical categories, each one prioritized by severity and paired with educational context, so a junior team member gets the same explanation of why an issue matters that a senior SEO would already have in their head.
The product splits into Desktop, which runs locally and tops out at 500,000 URLs on the Pro plan, and Cloud, which adds scheduled crawls, team collaboration, and capacity up to 10 million URLs starting at $125 a month. JavaScript rendering is included on every tier, including the $18 Lite plan, which is worth noting since several competitors charge extra for it or lock it behind an enterprise upgrade.
Sitebulb is used by more than 5,000 SEOs and reports built-in integrations with Google Analytics, Search Console, Sheets, and Looker Studio. What it does not do is enrich a URL list with third-party data like Moz or Ahrefs metrics, or harvest contact details for outreach. It is built around one job: crawl a site and rank what needs attention.
| Feature | Lite $18/month | Pro $42/month | Cloud From $125/month |
|---|---|---|---|
| URLs per audit | 10,000 | 500,000 | Up to 10 million |
| SEO Hints | 100+ | 300+ | 300+ |
| JavaScript crawling | Yes | Yes | Yes |
| Scheduled audits | No | Yes | Yes |
| Customized PDF reports | No | Yes | Yes |
| Free trial | 14 days | 14 days | 14 days |
URL Profiler
Bulk URL auditing desktop app that collects link metrics, content data, social signals, and email addresses across thousands of URLs at once
URL Profiler starts from a different premise: you already have a list of URLs, whether that is a client's full site export, a competitor backlink profile, or a prospecting sheet, and you need data about every one of them fast. Point it at Moz, Majestic, Ahrefs, and Google Analytics with your own API keys, and it pulls link metrics, traffic data, readability scores, social shares, HTTP status, PageSpeed results, and email or WHOIS contact details for the entire list in one run.
Run by 301 Media LLC, it has been an agency staple for over a decade for exactly this reason: configuring the same set of checks manually across five separate tools takes hours, and URL Profiler does it in one pass while you do something else. Pro and Agency plans handle up to 1,000,000 URLs per import, and none of the plans cap how many URLs you can process per month.
What you get back is a CSV or spreadsheet, not a dashboard. There is no built-in reporting, no scheduling, and no prioritized recommendations, because URL Profiler is not trying to tell you what is wrong with a site. It is a data collection engine for people who already know what they are looking for and want it delivered in bulk.
| Feature | Solo $19.95/month (billed yearly) | Pro $25.95/month (billed yearly) | Agency $64.95/month (billed yearly) |
|---|---|---|---|
| Max URLs per import | 5,000 | 1,000,000 | 1,000,000 |
| URLs per month | Unlimited | Unlimited | Unlimited |
| Link metrics (Moz/Majestic/Ahrefs) | Yes, own API keys | Yes, own API keys | Yes, own API keys |
| Email and WHOIS harvesting | Yes | Yes | Yes |
| Device licenses | 1 | 2 | 20 |
| Free trial | 14 days, no card | 14 days, no card | 14 days, no card |
Head-to-head feature comparison
| Feature | Sitebulb | URL Profiler |
|---|---|---|
| Primary use case | Crawl a site and rank what needs fixing | Enrich a URL list with bulk third-party data |
| JavaScript rendering | Yes, included on every tier | Not documented |
| Max URLs per run | Up to 10 million (Cloud) | 1,000,000 (Pro and Agency) |
| Prioritized issue hints / recommendations | Yes, 300+ prioritized Hints with explanations | No, raw data output only |
| Scheduled or recurring runs | Yes, Pro and Cloud | No |
| Bulk email and WHOIS harvesting | No | Yes |
| Third-party link metrics (Moz/Majestic/Ahrefs) | No | Yes, with your own API keys |
| Readability and content scoring | No | Yes, five readability scores plus sentiment |
| Branded PDF reporting | Yes, Pro and Cloud | No |
| Data visualizations / dashboards | Yes | No |
| Platform | Windows/Mac desktop, plus Cloud | Windows/Mac desktop only |
| Free trial | 14 days, no card required | 14 days, no card required |
| Starting price | $18/month | $19.95/month (billed yearly) |
Which should you choose?
SitebulbURL ProfilerSitebulbURL ProfilerSitebulbURL ProfilerSitebulbThese two tools rarely compete for the same budget line because they are not solving the same problem. Sitebulb crawls a site cold and tells you what is wrong with it, which is the job a technical SEO reaches for first. URL Profiler assumes you already have the URL list, whether from a site export, a backlink profile, or a prospecting sheet, and turns that list into a data-rich spreadsheet in one pass. An agency running both technical audits and link-building outreach will likely end up paying for both, since neither one replaces what the other does well.
Bottom line
Start with Sitebulb's 14-day trial if the job is finding and prioritizing what is broken on a site, since JavaScript rendering and the Hints system are included from the $18 Lite plan up. Reach for URL Profiler if the job is pulling link metrics, contact details, or content scores across a URL list you already have, since Pro handles a million URLs for under $26 a month with no per-report pricing. Agencies doing both technical audits and outreach at volume should budget for both tools rather than trying to make one cover the other's job.
Frequently asked questions
Is Sitebulb or URL Profiler better for a technical SEO audit in 2026?
Sitebulb is the better fit for a technical SEO audit, since it crawls a site directly and surfaces 300+ prioritized Hints ranked by severity with JavaScript rendering included on every tier. URL Profiler does not crawl a site from scratch or prioritize issues; it enriches a URL list you already have with third-party data, which makes it a companion tool for outreach and content audits rather than a crawler replacement.
Can URL Profiler replace a crawler like Sitebulb for finding broken links and duplicate content?
Not on its own. URL Profiler checks HTTP status and resolves redirect chains for the URLs you feed it, but it does not crawl a site to discover pages or surface prioritized technical issues the way Sitebulb's Hints system does. Teams that need both crawl-based issue detection and bulk data enrichment typically run Sitebulb for the audit and URL Profiler for the data pull.
Do I need my own API keys to use URL Profiler's link metrics?
Yes, URL Profiler requires you to supply your own Moz, Majestic, and Ahrefs API credentials to pull link metrics like domain authority, trust flow, and referring domains. Some features, including HTTP status checking, email harvesting, and readability scoring, work without any external API keys.
Which tool handles more URLs per run, Sitebulb or URL Profiler?
Sitebulb has the higher ceiling on paper at up to 10 million URLs per audit, but only on the Cloud plan starting at $125 a month. URL Profiler caps at 1,000,000 URLs per import on Pro and Agency, both well under $65 a month, which makes it the cheaper option for large-scale bulk data collection even though its per-run limit is lower.
Does Sitebulb include JavaScript rendering on its cheapest plan?
Yes, JavaScript crawling is included on every Sitebulb tier, including the $18 Lite plan, with no separate rendering add-on required. URL Profiler does not document JavaScript rendering support at all, since it is built around bulk API and scraping checks rather than full-page crawling.
Is URL Profiler worth it if I already pay for Sitebulb?
It depends on whether outreach or bulk data enrichment is part of the workflow, since the two tools do not overlap much. Sitebulb subscribers who also do link building, content pruning, or prospecting work will find URL Profiler's email harvesting, WHOIS lookups, and one-run link metric pulls fill a gap Sitebulb was never built to cover, and at under $26 a month for Pro, the cost is low relative to doing that data collection manually.