Why?
Invalid certificates will be rejected by mobile browsers, de facto preventing the rendering of the page.
How?
This usually means that the certificate could not be retrieved or that the cryptographic algorithm used for the key exchange is not widely supported.
Where?
Triggered by http://ceit.sut.ac.th/station/fm.php.
Triggered by http://ceit.sut.ac.th/station/tv.php.
Triggered by http://moodle.org/.
Triggered by https://elearning.sut.ac.th/?lang=en.
Triggered by https://elearning.sut.ac.th/course/index.php?categoryid=19.
More information
Severity: severe
Most mobile devices should render the page but the user experience is strongly impacted.
Category: HTTP errors
The mobileOK Checker could not retrieve some of the resources required to run the tests or has found broken links.