Screaming Frog SEO Spider tutorial

How to Compare Crawls in Screaming Frog

Learn how to compare crawls in Screaming Frog, including the settings to confirm before you use the result.

4 min read

Quick answer

The quick answer

compare two stored Screaming Frog crawls to identify SEO changes Start in File > Crawls, use the settings that match the question you are answering, and validate the result before changing a campaign, report, or website.

Visual guide

The Screaming Frog SEO Spider path

Click through the real product screens used in the steps below.

Screaming Frog SEO Spider Crawl Comparison window.
Open the Crawl Comparison workflow after both crawls are available. Actual product screenshot from Screaming Frog documentation.

Step-by-step

How to Compare Crawls in Screaming Frog

  1. 01

    Open File > Crawls

    Open File > Crawls and select the project, account, property, or crawl target that owns the data for this task.

  2. 02

    Confirm the scope before changing anything

    Check the selected target, date range, location, device, audience, or crawl configuration. Use compatible crawl configurations so a setting change is not mistaken for a website change.

  3. 03

    Configure the task-specific setting

    Use the relevant control to set up the task. Keep the configuration focused on one question so the result remains interpretable.

  4. 04

    Review the Overview, Issues, and Change Detection views

    Read the output with the active filters and comparison context in view. Inspect a representative row, page, event, or contact before drawing a conclusion.

  5. 05

    Save the useful view and document the decision

    Save the report, segment, configuration, or export when the product supports it. Record what changed and why so the next review has context.

Read the report

What the main metrics mean

URL

The page address discovered during the crawl.

Status code

The server response that helps identify errors, redirects, or successful pages.

Source

The page, sitemap, analytics source, or configuration that revealed the URL.

Crawl configuration

The settings that define which URLs and page resources are included in the crawl.

Before you continue

  • Confirm the project, property, account, or crawl target before making changes.
  • Use the location, device, date range, or audience that matches the decision you need to make.
  • Check the result against the underlying data before reporting it or acting on it.
  • Document the change so the next review has useful context.

FAQ

Common questions

What do I need before I start in Screaming Frog SEO Spider?

You need access to the relevant Screaming Frog SEO Spider account and the project, property, audience, or crawl target for this task.

Why does my result look incomplete?

Check the selected target, date range, location, device, permissions, and filters. These settings often explain an unexpected result.

Can I change this setup later?

Most settings can be changed, but changes can affect how future data is collected or displayed. Record the original setting before replacing it.

What should I validate before using the result?

Confirm that the setup matches the real question, then review the source data and a representative example before sharing the result or taking action.

Sources and further reading

This guide was checked against Screaming Frog SEO Spider product documentation:

Keep researching

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Photo of Filipe Lins DuarteReviewed by Filipe Lins DuarteCo-Founder & CEO

Vast experience talking to customers and users to understand what good software looks like. Background spans commercial and product roles.

Photo of John RiceChecked by John RiceCo-Founder & CTO

15+ years building tech products and web applications. Conducted hundreds of user interviews to know what a good product looks like.

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