The final page returns an actionable HTTP status code.
HTTP and availability · TSEP-1 · TSEP-2 · TSEP-3
The control catalogue · 0.1.0-draft.28
The protocol’s 44 controls
Each page sets out scope, expectations, evidence and limitations. The wording comes directly from the identified protocol version.
“With executable rules” indicates tooling in this version, not an assessment performed on your website.
controls shown
Executable rules
Redirects are intentional, direct and loop-free.
HTTP and availability · TSEP-1 · TSEP-2 · TSEP-3
Server errors and soft 404s do not replace an explicit response.
HTTP and availability · TSEP-1 · TSEP-2 · TSEP-3
The effective robots policy matches declared intent.
Robots and access · TSEP-1 · TSEP-2 · TSEP-3
A Disallow rule is never presented as a guarantee of deindexing.
Robots and access · TSEP-3
Sensitive areas genuinely deny access at server level.
Robots and access · TSEP-3
Robots meta directives and X-Robots-Tag match the page objective.
Indexing · TSEP-1 · TSEP-2 · TSEP-3
The actual indexing status is checked in Search Console.
Indexing · TSEP-2 · TSEP-3
Intentional exclusions have an owner and a rationale.
Indexing · TSEP-3
Each canonical page publishes an absolute, stable and consistent URL.
Canonicalisation · TSEP-1 · TSEP-2 · TSEP-3
Genuine duplicate variants converge without hiding distinct pages.
Canonicalisation · TSEP-1 · TSEP-2 · TSEP-3
Google’s selected canonical is compared with the declared canonical.
Canonicalisation · TSEP-2 · TSEP-3
The sitemap contains only useful absolute canonical URLs.
Sitemaps and freshness · TSEP-1 · TSEP-2 · TSEP-3
lastmod reflects a significant change to the page.
Sitemaps and freshness · TSEP-3
Sitemap size and segmentation limits are respected.
Sitemaps and freshness · TSEP-1 · TSEP-2 · TSEP-3
Every important page receives at least one crawlable internal link.
Internal discoverability · TSEP-3
Essential links use an a element with a resolvable href.
Internal discoverability · TSEP-1 · TSEP-2 · TSEP-3
Depth and orphan pages are measured within an explicit scope.
Internal discoverability · TSEP-3
Parameters, filters and calendars do not create an infinite URL space.
URL spaces · TSEP-3
The URL structure is readable, stable and correctly encoded.
URL spaces · TSEP-3
Discovered but unindexed URLs are investigated by family.
URL spaces · TSEP-3
Each hreflang variant points to an indexable canonical URL.
Internationalisation · TSEP-1 · TSEP-2 · TSEP-3
hreflang annotations are reciprocal and include the current page.
Internationalisation · TSEP-1 · TSEP-2 · TSEP-3
x-default represents a neutral destination or an explicit default variant.
Internationalisation · TSEP-1 · TSEP-2 · TSEP-3
Critical content exists in source HTML or becomes observable after rendering.
JavaScript and rendering · TSEP-1 · TSEP-2 · TSEP-3
Resources required for rendering are neither blocked nor failing.
JavaScript and rendering · TSEP-1 · TSEP-2 · TSEP-3
SPA states and routes produce shareable URLs and consistent server responses.
JavaScript and rendering · TSEP-1 · TSEP-2 · TSEP-3
The document exposes an understandable HTML structure independently of appearance.
HTML and semantics · TSEP-1 · TSEP-2 · TSEP-3
Essential content remains available when scripts or styles fail.
HTML and semantics · TSEP-1 · TSEP-2 · TSEP-3
Essential metadata is unique, visible and consistent with the page.
HTML and semantics · TSEP-1 · TSEP-2 · TSEP-3
JSON-LD describes entities that are visible and appropriate to the content.
Structured data · TSEP-1 · TSEP-2 · TSEP-3
Stable @id values connect the same entities without creating duplicates.
Structured data · TSEP-1 · TSEP-2 · TSEP-3
Errors, warnings and unsupported uses are distinguished.
Structured data · TSEP-1 · TSEP-2 · TSEP-3
Field Core Web Vitals are documented and classified at the 75th percentile.
Performance and monitoring · TSEP-1 · TSEP-2 · TSEP-3
Laboratory tests support diagnosis rather than simulate field data.
Performance and monitoring · TSEP-1 · TSEP-2 · TSEP-3
Monitoring connects Search Console, logs and deployments to decision dates.
Performance and monitoring · TSEP-3
HTTPS, HSTS and embedded resources create neither certificate errors nor mixed content.
HTTP and availability · TSEP-3
Host, case and trailing-slash variants converge on one rule.
URL spaces · TSEP-1 · TSEP-2 · TSEP-3
The CDN, Vary and geolocation do not serve contradictory SEO signals.
Performance and monitoring · TSEP-3
The hreflang methods in use are complete and consistent.
Internationalisation · TSEP-1 · TSEP-2 · TSEP-3
Critical SEO invariants are replayed automatically before and after deployment.
Performance and monitoring · TSEP-3
Each automated agent is governed according to its documented purpose.
AI crawling and agents · TSEP-3
Access for authorized crawlers is tested with the full user-agent string and reconciled with logs.
AI crawling and agents · TSEP-3
Critical content and evidence remain accessible without undocumented JavaScript execution.
AI crawling and agents · TSEP-1 · TSEP-2 · TSEP-3
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