Seitenreport
Seitenreport
SEO & website analysis since 2007
Structured data Baseline calculated: 23 Jun 2026

Structured Data Benchmark 2026: JSON-LD in the URL sample

Structured data makes content more explicit: organization, website, breadcrumbs, articles, products or local company data become easier to read for machines.

Core statement

Structured data available: 39 % (Average of domain values) from 68,464 evaluable domain values in the selected segment. The number describes the sample examined, not all websites or all URLs of these domains.

This metric recognizes JSON-LD script blocks in HTML. Microdata and RDFa are not included here. Also, an existing but invalid JSON-LD block can increase the presence value.

Why this is relevant

Many websites have visible content, but little additional semantic information. For rich results, knowledge graph signals and AI systems, this can make a difference, especially when competitors mark cleaner.

The benchmark shows whether a website has a basic level or a need to catch up when it comes to semantic markup. What matters is not only whether markup exists, but whether it fits the page type.

From Study Value to Action

How value is used in the SEO audit

The benchmark alone does not yet say which measure should be implemented first. In the website audit, the value is combined with URL type, severity, priority and specific findings.

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What is counted

structured_data_present checks whether at least one script with type="application/ld+json" occurs. The indicator is not a passed schema or rich-result test.

Example of demarcation

A product page with JSON-LD and missing price can count as existing. Another page with complete microdata can still get 0 for this metric.

Appropriate comparison

Compare product pages with product pages and articles with articles. Not every page type needs the same schema types or is suitable for the same search presentation.

Next professional examination

Validate syntax, mandatory fields and match with visible content separately. A technically valid award does not guarantee a special search presentation.

Less

A benchmark is a benchmark, not an absolute truth. Important is the deviation to the own website and the question of whether the signal for the affected pages is business relevant.

Sampling

The baseline takes numerical metrics from the latest stored crawl per domain into account, if this was successful. Missing values do not enter as 0. Segments are only calculated from five available domain values. The selection is not a random sample and not a representative market share.

URL sample

The current sampler selects up to ten URLs from sitemap or internal links; successful retrievals are combined into a domain mean for each metric. Older data sets can be based on a single page. In the case of shares, the page shows the mean value of the domain values, in the case of ALT coverage their median. Not all URLs of a website are examined.

Meta Description Benchmark

Meta descriptions are not a direct ranking lever, but they do influence how convincing a page is in the search result.

Security
HSTS benchmark

HSTS is not a classic content signal, but a clear sign of technical maturity: browsers should only retrieve the website encrypted.