Why should HTML and JSON-LD agree?

One page can communicate the same facts in two ways

HTML contains the headings, instructions, and links visitors read on the page. JSON-LD is structured data that identifies information such as the clinic name, address, and phone number in a standard format. For example, ‘Saturday, 10 a.m. to 2 p.m.’ can appear in an hours table on screen and as a day plus opening and closing times in JSON-LD.

Google says structured data must reflect what is visible on the page. If JSON-LD lists a service that appears nowhere on the page or an outdated time, check the original operational record to confirm the correct value. Passing a structured data test does not guarantee a particular search result appearance or an AI citation.

Think about the day your hours change

If Saturday closing moves from 2 p.m. to 1 p.m. and you edit only the visible text, the old time may remain in structured data. Check the hours table, first-visit guide, shared footer, related structured data, and external listings against the same record. For time-limited changes such as a temporary closure, record the start and end dates.

• Confirm that the registered business name and displayed brand refer to the intended clinic.
• Check the address, floor, phone number, daily hours, and check-in cutoff.
• If you announce clinic hours in an image or popup, also make them available as readable page text.

Pair automated tests with manual review

Google’s Rich Results Test can check supported markup and technical errors. Compare the actual page with the clinic’s internal operating schedule to spot differences in meaning an automated test could miss. Information that changes often is easier to maintain when one admin edit updates both the page text and structured data.