I’ve identified a master list of SPARQL endpoints from a variety of sources and used the SPARQL interrogator part of Visualisation Lab to test them out.
Latest Results - 6th May 2020
New SPARQL endpoint test results:
| Endpoints Tested: | 830 |
| Working: | 336 |
| Not working: | 494 |
First Results
276 responding including 54 https, and 4 reporting wrong response type
462 inaccessible
Let me know if useful!