UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/53.0.2785.143 Chrome/53.0.2785.143 Safari/537.36

Example URL:
https://nytimes.com

Steps to reproduce the problem:
1. Try to load website
2. 
3. 

What is the expected behavior?
The website, with all images and html formatting loads

What went wrong?
The main page, and other pages on the domain fail to load. If I inspect the page, there is a long series of errors like "net::ERR_INSECURE_RESPONSE", "Uncaught TypeError: Cannot read property 'processFlags' of undefined" and "Uncaught TypeError: require is not a function(anonymous function)"

Does it occur on multiple sites: Yes

Is it a problem with a plugin? No 

Did this work before? Yes 

Does this work in other browsers? Yes

Chrome version: 53.0.2785.143  Channel: n/a
OS Version: ubuntu 16.04
Flash Version: Shockwave Flash 22.0 r0

The same thing happens in incognito mode, but not in Firefox. It is specific to the NYT and a few other sites I commonly visit. I checked the security settings, but these sites don't seem to be accidentally flagged as untrusted. I uninstalled, and cleanly reinstalled Chromium, but nothing changed.