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SEO · head to head

Screaming Frog SEO Spider vs Sitebulb

Screaming Frog SEO Spider logo

Screaming Frog SEO Spider

SEO

Desktop crawler for technical SEO audits and site analysis

From
Free
Rated
-
Full reviewWebsite
Sitebulb logo

Sitebulb

SEO

Technical SEO audit tool that crawls sites and generates visual, prioritized hints

From
$95/month
Rated
-
Full reviewWebsite

The short version

  • Only Screaming Frog SEO Spider has a free tier, so it costs nothing to try first.
  • Each has a real cost: Screaming Frog SEO Spider free version limited to 500 URL crawl limit for meaningful analysis; Sitebulb desktop plans are limited to a single user, so teams need Sitebulb Cloud or paid add-on seats to collaborate.
  • They diverge on capability: Screaming Frog SEO Spider covers Crawl up to 500 URLs (free) or unlimited (paid), Sitebulb covers JavaScript crawling.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Screaming Frog SEO Spider and Sitebulb actually diverge.

Attributes where Screaming Frog SEO Spider and Sitebulb differ
AttributeScreaming Frog SEO SpiderSitebulb
Starting priceFree$95/month
Free tierYesNo
PlatformsWindows, macOS, Linuxweb, windows, mac

Identical on both: pricing model (subscription), user rating (Not yet rated), category (SEO).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Screaming Frog SEO Spider

  • Crawl up to 500 URLs (free) or unlimited (paid)
  • 300+ SEO issue checks
  • JavaScript rendering with Chromium
  • XML sitemap generation
  • Custom data extraction
  • Scheduled crawls and comparisons
  • Multi-language support

Only in Sitebulb

  • JavaScript crawling
  • Prioritized Hints
  • Crawl maps
  • Scheduled recurring audits
  • Audit comparisons

Both cover

  • Google integrations

What people use each for

The jobs each tool is most often brought in to do.

Screaming Frog SEO Spider

  • Identify broken links and server errors on large sitesnot Sitebulb
  • Audit redirect chains during site migrationsnot Sitebulb
  • Analyze and fix duplicate content issuesnot Sitebulb
  • Extract and validate structured data on pagesnot Sitebulb
  • Monitor site health with scheduled crawlsnot Sitebulb

Sitebulb

  • Agencies running recurring technical SEO audits for clientsnot Screaming Frog SEO Spider
  • In-house SEO teams tracking site health over timenot Screaming Frog SEO Spider
  • Auditing JavaScript-rendered sites for crawlability issuesnot Screaming Frog SEO Spider
  • Benchmarking site architecture via crawl visualizationsnot Screaming Frog SEO Spider

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Screaming Frog SEO Spider

  • Free version limited to 500 URL crawl limit for meaningful analysis
  • Desktop application required, not available as web-based tool
  • Unlimited crawls depend on system memory and storage capacity
  • Annual licensing model with no monthly option
  • Learning curve for advanced features like custom extraction

Sitebulb

  • Desktop plans are limited to a single user, so teams need Sitebulb Cloud or paid add-on seats to collaborate.
  • Large sites near or above the 500,000 URL Pro limit require reconfiguration or the Cloud tier to avoid hitting crawl caps.
  • Desktop crawling relies on local machine resources, so audit speed and scale depend on the user's hardware rather than cloud infrastructure.

Pricing, plan by plan

Screaming Frog SEO Spider

Free
  • FreeFree
    • 500 URL crawl limit
    • Core features included
    • Link checking and metadata analysis
  • Paid License$199/year
    • Unlimited URL crawls (limited by system memory/storage)
    • All free version features
    • Advanced features unlocked

Sitebulb

$95/month
  • Lite$undefined/month
    • 1 user
    • 10,000 URLs per audit
    • 100+ Hints
  • Pro$undefined/month
    • 1 user
    • 500,000 URLs per audit
    • 300+ Hints
  • Sitebulb Cloud$undefined/month
    • 2+ users
    • No project limits
    • Automated recurring crawls

Which should you pick?

Choose Screaming Frog SEO Spider if

  • You need crawl up to 500 urls (free) or unlimited (paid).
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want 300+ seo issue checks.
Screaming Frog SEO Spider review

Choose Sitebulb if

  • You need javascript crawling.
  • You work on web, windows, mac.
  • You also want prioritized hints.
Sitebulb review

Questions people ask

Is Screaming Frog SEO Spider or Sitebulb better?
Neither clearly leads. Screaming Frog SEO Spider starts at Free and Sitebulb at $95/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Screaming Frog SEO Spider or Sitebulb?
Screaming Frog SEO Spider has a free tier; the other does not. Paid plans start at Free for Screaming Frog SEO Spider and $95/month for Sitebulb.
Does Screaming Frog SEO Spider or Sitebulb run on more platforms?
Screaming Frog SEO Spider runs on Windows, macOS, Linux. Sitebulb runs on web, windows, mac.
Can I use Screaming Frog SEO Spider for free?
Yes. Screaming Frog SEO Spider has a free tier, so you can try it without paying. Sitebulb starts at $95/month.
What is Screaming Frog SEO Spider best used for?
Screaming Frog SEO Spider is most often used for identify broken links and server errors on large sites, audit redirect chains during site migrations, analyze and fix duplicate content issues, extract and validate structured data on pages. Of those, identify broken links and server errors on large sites and audit redirect chains during site migrations are not what Sitebulb is typically brought in for.
What can Screaming Frog SEO Spider do that Sitebulb cannot?
Screaming Frog SEO Spider covers Crawl up to 500 URLs (free) or unlimited (paid), 300+ SEO issue checks, JavaScript rendering with Chromium, XML sitemap generation. Sitebulb covers JavaScript crawling, Prioritized Hints, Crawl maps, Scheduled recurring audits. Both handle Google integrations.

Answered from the vendors’ own pages

Screaming Frog SEO Spider: What is the difference between free and paid Screaming Frog licenses?

The free version crawls up to 500 URLs with core features. The paid license (GBP 199/year) includes unlimited URL crawls limited only by system memory and storage, plus advanced features.

Source
Sitebulb: Is there a free trial?

Sitebulb offers a 14-day free trial with no credit card required and no up-front commitment.

Source
Screaming Frog SEO Spider: Can Screaming Frog crawl JavaScript-rendered content?

Yes. Screaming Frog renders JavaScript through headless Chromium, enabling crawls of React, Angular, Vue.js, and other JavaScript frameworks.

Source
Sitebulb: Can I cancel anytime?

Yes, subscriptions can be cancelled anytime and users are never locked into a contract.

Source
Screaming Frog SEO Spider: What platforms does Screaming Frog support?

Screaming Frog SEO Spider is available for Windows, macOS (Apple Silicon and Intel), and Linux (Ubuntu and Fedora).

Source
Sitebulb: What does Sitebulb integrate with?

Sitebulb connects to Google Analytics, Google Search Console, Google Sheets, and Google Data Studio to pull data into audit reports.

Source
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