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from $1.05 / 1,000 tech signal pages

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Website Tech Signal Detector

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Detect public website tech stack signals, metadata QA issues, CRM-ready lead tags, and optional stack-change snapshots.

Pricing

from $1.05 / 1,000 tech signal pages

Rating

0.0

(0)

Developer

replexa

Actor stats

Bookmarked

Total users

Monthly active users

3 days ago

Last modified

categories

Required

Technology categories detected on the page.

Type:string[]

Example:

[
  "CDN",
  "CMS"
]

Technology count

technologyCount

Required

Number of detected technology signals.

Type:integer

Example:2

Lead tags

leadUseCaseTags

Required

CRM-friendly tags derived from detected public technology signals.

Type:string[]

Example:

[
  "wordpress_site",
  "cdn_detected"
]

Evidence

evidence

Optional

Detected signals with category, confidence, and reason.

Type:object[]

Example:

[
  {
    "name": "Cloudflare",
    "categories": [
      "CDN"
    ],
    "confidence": 0.95,
    "reason": "Cloudflare header"
  }
]

Unknown signals

unknownSignals

Optional

Public script hosts that were not mapped to a known technology signal.

Type:object[]

Example:

[
  {
    "type": "script_host",
    "value": "cdn.example.com",
    "example": "https://cdn.example.com/app.js"
  }
]

Unknown signal count

unknownSignalCount

Optional

Number of unmapped public script hosts found on the page.

Type:integer

Example:3

Top unknown hosts

topUnknownHosts

Optional

Compact list of unmapped script hosts for quick review.

Type:string[]

Example:

[
  "cdn.example.com"
]

Site hints

siteHints

Optional

Weak public hints that are useful for review but are not counted as confirmed detected technologies.

Type:object[]

Monitoring profile

monitoringProfile

Optional

Compact CTA, pricing, and intent signals used for website change comparison.

Type:object

Primary use case

primaryUseCase

Optional

Most useful interpretation for this row.

Type:string

Example:seo_metadata_action_report

SEO action report

seoActionReport

Optional

Action-first metadata fixes sorted by priority.

Type:object[]

Top fix priority

topFixPriority

Optional

Highest metadata fix priority for quick scanning.

Type:string

Example:high

Next best action

nextBestAction

Optional

Single recommended action for this website.

Type:string

Example:Add a meta description that explains the page value in one sentence.

Strong signals

strongSignalCount

Optional

Number of high-confidence detected technology signals.

Type:integer

Example:2

Medium signals

mediumSignalCount

Optional

Number of medium-confidence detected technology signals.

Type:integer

Example:1

Weak hints

weakHintCount

Optional

Number of weak site hints not counted as detected technologies.

Type:integer

Example:1

Meta title

metaTitle

Optional

HTML title text used as a compact page profile signal.

Type:string

Example:Example Domain

Meta description

metaDescription

Optional

Meta description content when present.

Type:string

Example:Example website description

Canonical URL

canonicalUrl

Optional

Resolved canonical link URL when present.

Type:string

Example:https://example.com/

Robots meta

robotsMeta

Optional

Robots meta tag content when present.

Type:string

Example:index,follow

Open Graph

openGraphSummary

Optional

Compact Open Graph metadata summary.

Type:object

Twitter/X card

twitterCardSummary

Optional

Compact Twitter/X card metadata summary.

Type:object

JSON-LD types

jsonLdTypes

Optional

Schema.org or JSON-LD @type values detected on the page.

Type:string[]

Example:

[
  "Organization",
  "WebSite"
]

JSON-LD parse errors

jsonLdParseErrors

Optional

JSON-LD blocks that could not be parsed.

Type:object[]

Metadata issues

metadataIssues

Optional

Compact page profile and link-preview QA issues.

Type:string[]

Example:

[
  "Missing Open Graph image."
]

Profile score

profileCompletenessScore

Optional

0-100 completeness score across metadata, link-preview, canonical, and JSON-LD signals.

Type:integer

Minimum:0

Maximum:100

Example:88

Change status

changeStatus

Optional

Website change status compared with the previous snapshot.

Type:string

Example:not_compared

Options:

not_comparednewchangedunchanged

Change severity

changeSeverity

Optional

Severity of detected technology, metadata, CTA, or pricing-profile changes.

Type:string

Example:medium

Options:

nonenew_snapshotlowmediumhigh

Change summary

changeSummary

Optional

Human-readable explanation of detected website changes.

Type:string

Example:medium change detected. Changed fields: ctaTexts, pricingMentions.

Changed fields

changedFields

Optional

Non-technology snapshot fields that changed.

Type:string[]

Example:

[
  "ctaTexts",
  "pricingMentions"
]

Added technologies

addedTechnologies

Optional

Technologies detected in this run that were absent from the previous snapshot.

Type:string[]

Removed technologies

removedTechnologies

Optional

Technologies present in the previous snapshot but not detected in this run.

Type:string[]

Previous check

previousCheckedAt

Optional

Previous snapshot timestamp when comparison is enabled.

Type:string

Example:2026-08-14T00:00:00.000Z

Snapshot key

snapshotKey

Optional

Snapshot namespace used for change comparison.

Type:string

Example:default

Server

server

Optional

Value of the public Server response header when available.

Type:string

Example:cloudflare

poweredBy

Optional

Value of the public X-Powered-By response header when available.

Type:string

Example:

Request error

requestError

Optional

Failure reason when the URL could not be checked.

Type:string

Example:Request blocked - received 403 status code.

Checked at

checkedAt

Required

ISO timestamp when the website was checked.

Type:string

Example:2026-08-14T00:00:00.000Z

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