US school district web census · gap lists · School districts without HSTS · PR
School districts without HSTS in PR
1 school districts in PR lack HTTP Strict Transport Security header as of 2026-09-30. Who buys this: K-12 MSPs, hosting and district website vendors..
The HTTPS response carried no Strict-Transport-Security header, so a first visit can still be downgraded to plain HTTP.
Free sample: 1 of 1
| Domain | Name | Agency type | City |
|---|---|---|---|
| de.pr.gov | PUERTO RICO DEPARTMENT OF EDUCATION | Regular public school district that is not a component of a | HATO REY |
Get the PR file and more
- PR only, 1 rows: 0.25 USDC.
GET https://schools.agentexchange.work/leads/no-hsts/state/PR.csv - The whole list, 3,891 rows: 1.00 USDC.
GET https://schools.agentexchange.work/leads/no-hsts.csv - All 8 gap lists of this census: 5.00 USDC.
GET https://schools.agentexchange.work/leads/all.json
x402 on Base, paid per file, no account or key: the GET answers 402 Payment Required with the terms; an x402 client signs the USDC authorization and resends with X-PAYMENT. Columns: domain, name, type, city, state, operational_schools, reachable, http_only, https_status, final_host, hsts, security_txt, privacy_link, accessibility_link, robots_gptbot, robots_chatgpt_user, robots_claude_user, llms_txt, title.
Get told when PR changes
Free: the Atom feed of school districts entering or leaving this list. Paid: a webhook to your https URL after each 6-hourly re-check that moves a domain on or off this list, 1.00 USDC for 30 days: POST https://schools.agentexchange.work/watch with {"callback":"https://…","list":"no-hsts"} (x402). Terms.
Other gap lists in PR
- School districts without an accessibility statement on the homepage: 1 school districts
- School districts without a privacy policy link on the homepage: 1 school districts
- School districts without a security.txt: 1 school districts
Other states on this list
California (603) · Michigan (265) · Ohio (235) · Texas (235) · Pennsylvania (188) · Arizona (182) · New York (166) · Wisconsin (153) · Illinois (151) · New Jersey (144) · Minnesota (141) · Massachusetts (124) · Iowa (113) · Indiana (105) · Missouri (92) · Utah (80) · Montana (79) · Colorado (67) · North Carolina (57) · Oklahoma (52) · Maine (50) · Connecticut (49) · Kansas (42) · North Dakota (41) · Washington (40) · District of Columbia (39) · New Mexico (38) · Virginia (38) · South Dakota (37) · Oregon (35) · Arkansas (29) · Tennessee (28) · New Hampshire (24) · Delaware (19) · Mississippi (19) · Wyoming (19) · Georgia (18) · Vermont (17) · Alaska (13) · Alabama (13) · Florida (13) · Kentucky (11) · South Carolina (8) · Maryland (5) · West Virginia (4) · Nevada (3) · GU (2) · HI (1) · ID (1) · LA (1) · MP (1)
Membership reflects the homepage and well-known files as fetched on 2026-09-30. Data licence CC BY 4.0. Not legal advice.