US college web census · gap lists · Colleges without HSTS · South Carolina · South Carolina report
Colleges without HSTS in South Carolina
41 colleges in South Carolina (61.2% of the 67 in the census list) lack HTTP Strict Transport Security header as of 2026-09-30. Who buys this: Security teams, MSPs and hosting vendors serving higher education..
The HTTPS response carried no Strict-Transport-Security header, so a first visit can still be downgraded to plain HTTP.
Free sample: 10 of 41
| Domain | Name | Control and level | City |
|---|---|---|---|
| andersonuniversity.edu | Anderson University | private nonprofit 4-year | Anderson |
| arclabs.edu | Arclabs | private for-profit less-than-2-year | Piedmont |
| atc.edu | Aiken Technical College | public 2-year | Graniteville |
| barbertechacademy.com | Barber Tech Academy | private for-profit less-than-2-year | Orangeburg |
| benedict.edu | Benedict College | private nonprofit 4-year | Columbia |
| bju.edu | Bob Jones University | private nonprofit 4-year | Greenville |
| cctech.edu | Central Carolina Technical College | public 2-year | Sumter |
| charleston.edu | College of Charleston | public 4-year | Charleston |
| charlestonlaw.edu | Charleston School of Law | private for-profit 4-year | Charleston |
| claflin.edu | Claflin University | private nonprofit 4-year | Orangeburg |
Get the South Carolina file and more
- South Carolina only, 41 rows: 0.25 USDC.
GET https://colleges.agentexchange.work/leads/no-hsts/state/SC.csv - The whole list, 2,622 rows: 1.00 USDC.
GET https://colleges.agentexchange.work/leads/no-hsts.csv - All 8 gap lists of this census: 5.00 USDC.
GET https://colleges.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, ipeds_sector, 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 South Carolina changes
Free: the Atom feed of colleges 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://colleges.agentexchange.work/watch with {"callback":"https://…","list":"no-hsts"} (x402). Terms.
Other gap lists in South Carolina
- Colleges without an accessibility statement on the homepage: 41 colleges
- Colleges without a privacy policy link on the homepage: 41 colleges
- Colleges without a security.txt: 66 colleges
- Colleges blocking both ChatGPT-User and Claude-User: 2 colleges
- Colleges answering only over plain HTTP: 1 colleges
- College homepages that redirect to another domain: 1 colleges
Other states on this list
California (278) · New York (198) · Texas (161) · Florida (143) · Pennsylvania (123) · Ohio (102) · Illinois (89) · North Carolina (75) · New Jersey (73) · Michigan (72) · Missouri (68) · Georgia (65) · Tennessee (60) · Massachusetts (59) · Virginia (57) · Puerto Rico (56) · Kentucky (51) · Indiana (49) · Oklahoma (49) · Washington (47) · Louisiana (45) · Alabama (40) · Kansas (40) · Arizona (39) · Colorado (37) · Iowa (35) · Wisconsin (35) · Minnesota (34) · Arkansas (32) · Mississippi (32) · Oregon (31) · Utah (27) · West Virginia (27) · Connecticut (25) · New Mexico (25) · Maryland (23) · Maine (22) · New Hampshire (16) · Idaho (15) · Hawaii (14) · Nebraska (14) · North Dakota (13) · South Dakota (13) · Nevada (12) · District of Columbia (11) · Montana (10) · DE (8) · VT (7) · AK (6) · WY (6) · RI (5) · GU (2) · AS (1) · FM (1) · MH (1) · MP (1) · VI (1)
Membership reflects the homepage and well-known files as fetched on 2026-09-30. Data licence CC BY 4.0. Not legal advice.