Before and after screenshots
The product workflow includes side-by-side screenshot comparison.
Feature
A visual diff tool for website screenshots
Use PixelWatch to compare before-and-after screenshots, see highlighted differences, and understand what changed on a monitored page.
- Best for
- Founders, agencies, and QA leads
- Use when
- Understand and compare visual screenshot differences
- Reviewed
What PixelWatch covers
Grounded in current product capabilities: monitored URLs, screenshots, visual diffs, alerts, and history.
Highlighted diffs
Changes can be reviewed with visual highlighting.
What a visual diff answers
A visual diff helps you see what changed on a page, where it changed, and whether it deserves follow-up. PixelWatch is built around that review moment: add a URL, let the page be checked, then compare the latest full-page screenshot with the earlier page state.
- 1
Capture the current page
PixelWatch starts from a monitored URL and captures a full-page screenshot during a daily check, so the review begins from the page state your team actually published or watched.
- 2
Compare against the previous version
The latest screenshot can be reviewed side by side with the earlier screenshot, which makes layout, copy, CTA, and design changes easier to discuss.
- 3
Focus on the highlighted differences
Highlighted diffs help you move from a vague change signal to concrete visual evidence that a founder, agency, marketer, or QA owner can act on.
Inputs that make a visual diff useful
The diff is most useful when the monitored page, comparison point, and review owner are clear before changes appear.
Monitored URL
Use one important, published URL per monitor. The cleaner the page choice, the easier it is to tell whether the diff represents a meaningful website change.
Previous screenshot
The earlier full-page screenshot is the baseline for the next comparison. It gives the new screenshot context instead of leaving reviewers to rely on memory.
Review owner
Decide who reviews the visual diff before changes start arriving. A clear owner keeps expected edits, competitor updates, and client issues from blending together.
Outputs to review after a change
PixelWatch gives reviewers visual evidence they can scan quickly, then keep as context when the same page changes again.
Before-and-after view
Side-by-side screenshots show the earlier and latest page states without requiring someone to recreate the change manually.
Highlighted change areas
The diff view draws attention to changed regions, which is useful when a long page has only one updated section or visual shift.
History for follow-up
When the change needs more context, the website history timeline helps reviewers look back at earlier snapshots instead of treating one diff as the full story.
Common review scenarios
The same visual diff workflow supports both external monitoring and internal page quality checks.
Client page QA
Use a visual diff after a Webflow, Bubble, or other no-code client page changes. It helps the team confirm whether the visible page still matches the intended handoff state.
Competitor page monitoring
Use screenshot comparison when a competitor updates a pricing page, homepage, product page, or landing page and you need to understand what changed.
Launch or campaign review
Use diffs after a high-value page is edited, especially when the team wants a quick way to see whether key content, proof, or calls to action moved.
Ongoing page ownership
Use the diff as a shared record between product, marketing, founder, and agency stakeholders when a page change deserves discussion.
Agency QA
Use visual diffs to review client pages after edits, launches, or platform changes.
Competitor intelligence
Use screenshot comparison when a competitor changes design, messaging, or page structure.
When to use related pages
Use the visual diff page when you need to inspect what changed. Use these related pages when the next question is notification, history, or choosing the first URLs.
Website change alerts
Use alerts when someone needs to know that a monitored page changed before they open the diff.
Website history timeline
Use history when one before-and-after comparison is not enough and the team needs to see how a page evolved.
Monitoring checklist
Use the checklist before adding URLs when you need to choose which pages and changes matter most.
Related workflows
Continue with the pages that naturally support this workflow.
No-code visual regression testingUse visual diffs for agency QA without CI setup.Competitor website monitoringUse visual diffs to watch competitor pages.How visual website monitoring worksUnderstand the URL, screenshot, diff, alert, and history loop.Website history timelineReview how visual changes build up over time.
Start with the pages that matter most
Add a URL, let PixelWatch check it daily, and review the visual history when something changes.