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from $0.50 / 1,000 extracted results

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Page Metadata Extractor - SEO & RAG JSON Feed

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Extract structured JSON metadata (title, meta description, canonical URL, Open Graph tags, H1, word count) from any site. Built-in change detection surfaces only what changed; automatic retries and session rotation need no upkeep. Pay only per successfully extracted result.

Pricing

from $0.50 / 1,000 extracted results

Rating

0.0

(0)

Developer

Stefano Seggio

Actor stats

Bookmarked

Total users

Monthly active users

11 days ago

Last modified

Changelog

1.1.1 - 2026-09-08

Fixed

src/state.ts used Actor.getValue()/Actor.setValue() for delta state, which the Apify SDK docs confirm are shortcuts for the key-value store "associated with the current Actor run" - i.e. a fresh, run-scoped store every run, never shared across runs. Real cloud verification (two separate runs against the same URLs, each getting a different Key-value store ID and both classifying every page NEW_URL) caught this before it was called done. Fixed by opening a named store (Actor.openKeyValueStore('primer-actor-delta-state')), which persists across separate runs of this Actor. 1.1.0 was built, tested, merged and briefly deployed to the latest build tag with this bug present - local tests never exercised two genuinely separate runs against the SAME persistent store, so they passed despite it. Caught immediately by the cloud-verification step that's part of shipping any change in this repo (two real apify actors call runs against the same URLs, both showing NEW_URL when the second should have shown UNCHANGED) and fixed and redeployed within the same session before this was reported as done.

1.1.0 - 2026-09-08

Added

Cross-run change detection, keyed by URL. Every scraped page now carries eventType (NEW_URL / CONTENT_CHANGED / UNCHANGED), contentHash and previousScrapedAt in the dataset. State (a content fingerprint per URL) persists in the default key-value store across runs.
New optional input onlyChanged (default false, fully backward compatible). When enabled, a page is still crawled and its links still followed, but it is only delivered to the dataset - and charged - when it's new or its content differs from the last scrape of that same URL. Unchanged pages are skipped, so a scheduled re-run only pays for what actually changed.
New "Change detection" dataset view surfacing url/eventType/ previousScrapedAt/scrapedAt/contentHash.
test/fingerprint.test.ts, test/delta.test.ts, test/state.test.ts: unit coverage for the new pure fingerprint/classification functions and state persistence. test/main.test.ts extended with two live-router scenarios: a repeat crawl of an unchanged page, and the same with onlyChanged=true.
npm run lint added to CI (.github/workflows/test.yaml), matching the local validation loop already documented in this repo's AGENTS.md.

Changed

None to the existing extraction logic, output fields, monetization event (result, unchanged), or pricing - this is a purely additive release. contentHash/eventType/previousScrapedAt are new fields appended to every existing output record, not a replacement for any of them.

Not added (and why)

No STATUS_CHANGE or CLOSED event. Unlike the fleet's registry-monitoring actors, this Actor crawls whatever URLs the caller supplies each run rather than discovering listings from an enumerable source. There is no register to walk completely, so there is no trustworthy way to say a URL is "gone" - and no lifecycle/status field on a scraped page to change in the first place. See src/delta.ts and the "Delta / change-detection mode" section of AGENTS.md.
No new paid event or price change. onlyChanged reduces how many results are delivered (and therefore charged) using the existing result event - it does not add a second pricing tier or touch pricingInfos in Console. Apify allows only one "significant pricing change" per Actor per month with a 14-day notice period, and this Actor already has a live, differently-priced model from the rest of this developer's fleet - a new tier here is a deliberate future decision, not bundled into this release.
Version bumped to 1.1, not 2.0. The rest of this developer's fleet uses "2.0" to mark a full delta-engine rewrite of previously stateless/parser-only actors. This release is strictly additive to an already-live, already-monetized Actor - no output field was removed or reshaped, no existing input field changed meaning - so a minor version is the honest label.

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