Regularly those that assist here scan for HTTP response header security issues and also for SRI Hash websecurity issues.
On many an occasion we that are into website security scanning stumble upon weak results. (F- or even R-Status)
While those scanning here still find many an insecurity: https://securityheaders.io/
we have an online mitigating tool like this Content-Security-Policy header generator at http://cspisawesome.com/
And while we find many an insecurity here as well: https://sritest.io/
we have a SRI hash generator online here too: https://www.srihash.org/
For those that may need these tools, please enjoy and better secure your online content,
polonus (volunteer website security analyst and website error-hunter)