Run a free full auditThe Old Slave Mart Museum is a museum in Charleston, SC, located at 47 Greene St. It holds a rating of 4.40 based on 2376 reviews. Established in 1938, it is Charleston’s oldest museum of African American history and the first museum on the history of slavery in the United States. The museum is owned and operated by the City of Charleston and is dedicated to sharing the story of the domestic slave trade. It is housed in the last remaining structure of Ryan’s Mart, which served as a salesroom and showroom. Ryan’s Mart opened in 1856 and operated for seven years before closing in 1863. The museum offers special staff-led programming for school field trips, professional organizations, family reunions, alumni associations, and other groups. Programs include Slavery and the Slave Trade at Ryan’s Mart, which interprets the history of Ryan’s Mart and teaches visitors about the history of the slave trade in Charleston and the antebellum South. The museum also offers customized multi-site tours in partnership with other local historic sites, including the Old Exchange & Provost Dungeon, the Powder Magazine, and the Heyward-Washington House. Hours are Mon. through Sat. from 9:00a.m. to 5:00p.m. and Sun. is Closed All Day.
BizScoreAI gives the business a Technical score of 94 out of 100, which measures whether the website is technically sound, secure and indexable, so search engines can read it without errors.
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BizScoreAI scanned the website theoldslavemartmuseum.org on June 5, 2026. Old Slave Mart Museum has a BizScore of 40 out of 100. The website audit behind the SEO score ran on October 24, 2026.
AI visibility scan by category: AI Discovery 0 of 25 points, Structured Data 0 of 25 points, Content Readiness 6 of 30 points, AI Trust Signals 4 of 20 points.
Website audit sub-scores (out of 100): On-Page 60, Technical 95, Performance 97, Content 38.
Strengths: 2 checks passed. AI Content Blocking, XML Sitemap.
Areas to improve: 10 checks. llms.txt (failed), FAQPage Schema (failed), Q&A Content (failed), Content Too Thin (failed), Meta Description (failed), Organization Schema (warning), Speakable Schema (warning), Weak Heading Structure (warning), About/Team Page (warning), Author Signals (warning).
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