Wayback-style layered SERP and backlink history - versus Ahrefs. One bill, no per-row math, a time-machine for your SEO data.
Live - open in a new tab
| Feature | Strata | Ahrefs |
|---|---|---|
| Wayback-style SERP calendar | ✓ Signature feature | ✗ Point-in-time only |
| Backlink history calendar | ✓ Timeline view | ~ Historical but no calendar UI |
| Flat-rate pricing | ✓ One bill, no per-row math | ✗ Credit-limited, rows cost more |
| SERP snapshot comparison | ✓ Any two dates | ✗ Not available |
| SMB/agency pricing tier | ✓ Built for this ICP | ✗ Starts at $129/mo + limits |
| Keyword rank tracker | ✓ Included | ✓ Included |
Strata and Ahrefs approach overlapping problems from opposite ends. Ahrefs is the category incumbent with the deepest backlink index and credit-metered pricing that scales with row volume. Strata is built around one capability Ahrefs does not offer: a Wayback-style calendar that lets you open any past date and see the SERP, backlink profile and audit state as they were then, on flat-rate pricing with no per-row arithmetic. If you need the largest link index available, Ahrefs is the better buy. If you need to explain what changed and when, Strata is built for that question.
Historical state as a first-class view. Strata keeps a Wayback-style calendar of SERP positions, backlink profile and site-audit results, so you can open any past date and compare two points in time directly. Ahrefs stores historical data but does not expose it as a browsable timeline.
It is priced on a different shape. Strata is flat-rate, so cost does not move with row counts or credit consumption, while Ahrefs is credit-metered and rises with usage limits. For agencies running many small sites the flat rate usually wins; for a single very large site the gap narrows.
When backlink index size is the deciding factor. Ahrefs has crawled more of the web than any independent alternative, and for competitive link research at scale that depth matters more than a timeline view. Strata does not try to beat it on index size.
Yes, included rather than sold as an add-on, and positions are retained as history rather than overwritten — which is what makes the calendar view possible in the first place.
Yes. Strata is live and can be opened directly from this page, including the calendar view, so the comparison can be checked against the running product rather than a feature table.
Strata is live - open and explore the Wayback-style calendar.
Fixed-price proposal within 48 hours.