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HTML Tag Counter

Count HTML tags by frequency and percentage, compare approximate source tokens with the browser-parsed DOM, and inspect structure locally.

Tag frequencycount + percentage

Browser-parsed DOMbody element structure

Source comparisonraw opening-tag tokens

Local analysispaste or load HTML

HTML source

0Total elements

0Unique tag names

—Most frequent

—Parser

Tag	Count	Share

Source & result review

Inspect what the browser parsed and what the tool produced

DOMParser ≠ sanitizer

Ready to inspect source and result.

Review is local and detached: this panel never inserts pasted markup into the live page. A browser parser can normalize malformed HTML, but successful parsing does not make markup safe to inject. Scripts, inline event attributes and embedded browsing/plugin elements are reported as active-content signals, not executed.

Markup composition check

Go beyond the top tag: inspect semantic groups and query any tag name against the same DOMParser result.

Exact-query quick win

Find one tag

Lookup result

Parser boundary

Semantic signals

Structured handoff

Copy JSON when another script, QA report, or spreadsheet needs the tag counts.

Counts reflect the browser-parsed document tree.

HTML Tag Counter: Structure & Semantic Audit

Count parsed tags, then audit semantic landmarks, heading order, image alt coverage, form labels and div-heavy structure.

GSC Page + Query quick win

SERP Competitor Displacement · HTML Structure Profiler

Profile tag frequency, parsed structure and source-to-DOM differences

Use the HTML already pasted above, or load a local file. This profiler adds percentage distribution, tag-family totals, nesting depth and an approximate raw-opening-tag comparison while keeping the original frequency table and semantic checks visible for cross-checking.

Top-5 query authority

0Parsed elements

0Unique tags

—Most frequent

0Max depth

0Raw opening tokens

0Parsed − raw

0Semantic landmarks

0Custom tags

Top tag distributionparsed count + share

Parsed vs source tablefilterable

Tag	Parsed	Share	Raw	Delta

Profile the current HTML to build a structure report.

Ready to profile the browser-parsed body structure.

Parser boundary. Parsed counts use the browser DOMParser body tree. The source comparison is deliberately labeled approximate: raw opening-tag token scans are useful for spotting parser repair or generated structure, but they are not a standards validator and should not replace source diagnostics.

Browser-local does not mean standards-complete

HTML parsing is error tolerant. Source diagnostics, sandboxed previews, and transformations do not replace full conformance, security, or production-browser testing.

Browser parsing can repair markup before counting

Counts reflect the browser-parsed DOM rather than a raw regex scan. Parser normalization is reported so repaired nesting is not mistaken for source validity.

Parser and sanitizer boundary

HTML DOMParser creates a detached document and may repair or normalize markup. That is useful for inspection, but parsing alone does not sanitize untrusted HTML. Review scripts, inline event attributes, embedded content and application-specific URL/context rules before any live-DOM insertion.