Accessibility and product usability measurements

Accessible document metadata coverage calculator

Metadata status is supplied for each document. Presence alone does not establish an accessible title, correct language, valid tags or document conformance.

Your numbers

Use the units shown. Results update as you change valid inputs.

YOUR RESULT

Metadata status is supplied for each document. Presence alone does not establish an accessible title, correct language, valid tags or document conformance.

THE NUMBERS, EXPLAINED

How to use this calculator.

Metadata status is supplied for each document. Presence alone does not establish an accessible title, correct language, valid tags or document conformance.

Start with your inputs

Enter document title present (0 or 1), document language set (0 or 1), document tagging verified (0 or 1). Keep amounts in the units shown on each field. The example is a starting point, not a recommended value.

InputExample value
Document title present (0 or 1)1,0,1
Document language set (0 or 1)1,1,0
Document tagging verified (0 or 1)1,0,0

A worked example

With the example inputs above, documents missing titles (row numbers) is 2. Change the inputs to explore your own scenario.

All results for the example inputs above
ResultExample answer
Documents missing titles (row numbers)2
Documents missing language (row numbers)3
Documents without verified tagging (row numbers)2, 3
Documents passing all three recorded checks (%)33.333333

How this is calculated

Documents missing titles (row numbers)

List documents with absent titles.

Documents missing language (row numbers)

List documents lacking language metadata.

Documents without verified tagging (row numbers)

List documents without verified tags.

Documents passing all three recorded checks (%)

Count rows with all three positive flags.

Symbols and units
a
Document title present (0 or 1)
b
Document language set (0 or 1)
c
Document tagging verified (0 or 1)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions and limits

Metadata status is supplied for each document. Presence alone does not establish an accessible title, correct language, valid tags or document conformance.

Calculations use the values you enter. Blank or invalid inputs show an error instead of silently substituting zero. Results are displayed to useful precision; calculations retain the underlying numeric precision.

Questions about this tool

What does the result tell me?

Documents missing titles (row numbers); Documents missing language (row numbers); Documents without verified tagging (row numbers); Documents passing all three recorded checks (%). The result applies to the method and inputs described above. Check the units and assumptions before using it in a decision.

Why might another calculator differ?

Differences in units, rounding, timing or model definitions can produce different answers. Compare the input definitions and the method, rather than only the final number. For this tool: Metadata status is supplied for each document. Presence alone does not establish an accessible title, correct language, valid tags or document conformance.

Are my inputs stored or sent to AI?

Calculations on this page happen in your browser. The separate AI question finder sends its submitted conversation to OpenAI; these calculator fields are not sent. Favourites and recent tool names are stored locally. A shared link contains the inputs you choose to include.

Further reading

W3C PDF Techniques ↗

Background reading; this does not imply endorsement or independent review of SumFizz.

Review status

Software example and browser checks are recorded in our quality report. No external expert review is claimed. Created with coding assistance; calculations run as ordinary browser code.

Read the quality report →