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Side-by-side comparison · SEO & Analytics

DataForSEO vs Screaming Frog SEO Spider vs Similarweb

Everything that matters when choosing between them, in one place: our rating, what each can do, what they cost, and the trade-offs.

DataForSEO

4.0

From From $50 top-up

Screaming Frog SEO Spider

4.0

From £199/user/yr

Similarweb

3.7

From About $125/mo

Comparing 3 tools, the maximum.

At a glance

Best value

Pick it if: Anyone using Claude Code or building their own tools who wants real SEO data without a big monthly plan.

Pick it if: Anyone who needs a thorough technical check of a site, especially before or after a redesign or migration.

Easiest to use

Pick it if: Marketers, founders and analysts who want to size up competitors and markets from the outside.

Overview

AttributeDataForSEOScreaming Frog SEO SpiderSimilarweb
In one lineRaw search, keyword and backlink data you pay for by the query, built for AI agents.Crawls your whole site the way Google does and lists what's broken.See roughly how much traffic any website gets and where it comes from.
Pricing modelPaidFreemiumFreemium
Starting priceFrom $50 top-up£199/user/yrAbout $125/mo
Free plan No Yes Yes
Works with Claude Code Yes Yes No

Rating breakdown

Our scores out of 5. The higher bar in each row is highlighted.

AttributeDataForSEOScreaming Frog SEO SpiderSimilarweb
Overall rating4.04.03.7
Ease of useHow quickly someone non-technical gets value from it.
2.5
2.5
4.0
FeaturesHow completely it covers its own job, and how well the pieces fit together.
4.0
4.5
4.5
Output qualityHow good the results are before you fix them.
4.0
4.5
3.5
Value for moneyWhat you get for the price, including the free plan.
5.0
4.5
2.5
Speed & reliabilityHow fast it is and how often it falls over.
4.5
4.0
4.0

Feature comparison

A tick means it does this today. A dash means we haven't checked.

AttributeDataForSEOScreaming Frog SEO SpiderSimilarweb
Access & platform
Free plan No Yes Yes
Mobile app No No–
Desktop app No Yes–
Browser extension No No Yes
API access Yes No Yes
Teams & business
Team workspace– No Yes
Enterprise plan or SSO No No Yes
Connects to other apps Yes Yes Yes
Open source or self-hosted No No No
AI abilities
Works with your files No Yes–
Understands images No No–
Makes images No No–
Makes video No No–
Writes code No No–
Runs agents or automations No No Yes
Learns your brand or style No No–
Works in many languages Yes Yes No
Capabilities score3/ 175/ 177/ 17

Pricing

Plans as listed on each vendor's site when we last checked. Confirm before you buy.

AttributeDataForSEOScreaming Frog SEO SpiderSimilarweb
Plans

Pay as you goOur pick

From $50 top-up

Anyone who wants real data in Claude Code without a subscription.

Free

Free

Small sites and one-off checks.

Free

Free

Quick checks on a big competitor.

Paid licenceOur pick

£199/user/yr

Agencies and anyone with a site over 500 pages.

StarterOur pick

About $125/mo billed yearly, $149 monthly

A founder or marketer tracking a handful of competitors.

Business packages

Custom, yearly contract

Teams that need SEO, ads or AI search data at depth.

Which plan to pickThere's only one way to pay. Use the $1 trial credit to test the MCP server, then top up $50 and set a daily limit of a dollar or two. Use the cheaper standard queue for bulk jobs and the live mode only when you need an answer now.The free version is enough for most small businesses because it includes every feature and only caps the crawl at 500 pages. Buy a licence when your site or your clients' sites go past that. The price is listed in pounds with dollar and euro options at checkout.Use the free lookups first; for most small businesses they answer the question. Pay for Starter only if you check competitors every month, and get a quote before committing to a yearly package.

Key features

AttributeDataForSEOScreaming Frog SEO SpiderSimilarweb
Standout features
  • SERP API
  • Keywords Data
  • DataForSEO Labs
  • Backlinks API
  • MCP server
  • Spend controls
  • Full site crawl
  • JavaScript rendering
  • Google integrations
  • AI during crawl
  • Crawl comparison
  • Scheduling and command line
  • Website traffic
  • Traffic channels
  • Referral sources
  • Keyword and ad research
  • AI traffic and visibility
  • AI agents and AI Studio

Pros and cons

AttributeDataForSEOScreaming Frog SEO SpiderSimilarweb
Pros
  • Costs cents per lookup with no monthly fee
  • Official MCP server works well with Claude Code
  • Covers search results, keywords, backlinks and more in one account
  • Balance never expires and spending limits protect you
  • Live results for any location, including Australian cities
  • The most complete technical crawl available
  • Free version includes every feature up to 500 pages
  • Crawl comparison makes migrations far safer
  • Connects to Google data and AI models during the crawl
  • Runs on your own computer, so your data stays with you
  • The quickest way to see any website's traffic and channel mix
  • Useful free lookups for large sites
  • Covers markets and competitors, not just SEO
  • Adds AI search traffic and visibility data
Cons
  • No friendly dashboard; you need Claude Code or a developer to use it
  • Per-request pricing is confusing until you've used it for a while
  • Keyword difficulty and traffic estimates are less polished than Ahrefs
  • No real free plan, just a $1 trial credit
  • Dated interface that assumes you know technical SEO terms
  • Desktop only, and big crawls need a lot of memory
  • No cloud dashboard or scheduled reports for clients
  • One licence per user adds up for a team
  • Estimates are unreliable for small, local sites
  • Expensive beyond Starter, with prices only from sales
  • Higher packages need yearly contracts
  • Overlaps with Semrush and Ahrefs if you already pay for one

Who each one is for

AttributeDataForSEOScreaming Frog SEO SpiderSimilarweb
Best for
  • SEO research from Claude Code
  • Keyword volumes on demand
  • Live search result checks
  • Backlink data for custom reports
  • Finding broken links
  • Checking redirects after a migration
  • Auditing titles and headings
  • Exporting a full page list
  • Checking a competitor's traffic and channels
  • Sizing up a market before you launch
  • Benchmarking your traffic share
  • Finding sites that send traffic to competitors
You'll find it used by
  • Claude Code users
  • Developers
  • Agencies
  • SEO tool builders
  • Technical SEOs
  • Agencies
  • Developers
  • Web designers
  • Marketers
  • Founders
  • Market researchers
  • Investors
  • E-commerce brands

Questions people ask

Which is better, DataForSEO, Screaming Frog SEO Spider or Similarweb?

They tie on our overall rating (DataForSEO 4.0/5, Screaming Frog SEO Spider 4.0/5 and Similarweb 3.7/5). DataForSEO is best for SEO research from Claude Code and keyword volumes on demand. Screaming Frog SEO Spider is best for finding broken links and checking redirects after a migration. Similarweb is best for checking a competitor's traffic and channels and sizing up a market before you launch.

Which is cheaper, DataForSEO, Screaming Frog SEO Spider or Similarweb?

DataForSEO: There's no free plan. Paid plans start at From $50 top-up. Screaming Frog SEO Spider: There's a free plan, and paid plans start at £199/user/yr. Similarweb: There's a free plan, and paid plans start at About $125/mo.

Which is easier to use, DataForSEO, Screaming Frog SEO Spider or Similarweb?

Similarweb rates highest for ease of use in our scores. Marketers, founders and analysts who want to size up competitors and markets from the outside.

How we compare

Ratings are our own, from using each tool, across ease of use, features, output quality, value for money, speed & reliability.

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