There’s a ton of errors on your site. You need to resolve the http/https errors.
Mixed Content: The page at '<URL>' was loaded over HTTPS, but requested an insecure image '<URL>'. This content should also be served over HTTPS.
(index):78
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/ddefour-logo2.png'. This content should also be served over HTTPS.
(index):99
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/social-fb.png'. This content should also be served over HTTPS.
(index):99
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/social-li.png'. This content should also be served over HTTPS.
(index):99
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/social-twitter.png'. This content should also be served over HTTPS.
(index):99
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/social-pinterest.png'. This content should also be served over HTTPS.
(index):99
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/social-yt.png'. This content should also be served over HTTPS.
(index):99
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/social-rss.png'. This content should also be served over HTTPS.
(index):200
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/DD4_site_quote.png'. This content should also be served over HTTPS.
(index):209
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/social-fb.png'. This content should also be served over HTTPS.
(index):209
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/social-li.png'. This content should also be served over HTTPS.
(index):209
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/social-twitter.png'. This content should also be served over HTTPS.
(index):209
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/social-pinterest.png'. This content should also be served over HTTPS.
(index):209
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/social-yt.png'. This content should also be served over HTTPS.
(index):209
Mixed Content: The page at 'https://duanedefour.com/' was loaded over HTTPS, but requested an insecure image 'https://www.duanedefour.com/wp-content/thesis/skins/ddefour/images/social-rss.png'. This content should also be served over HTTPS.
jquery.js:2 Uncaught Error: Syntax error, unrecognized expression: a[href$=.mp3]
at Function.fa.error (jquery.js:2)
at fa.tokenize (jquery.js:2)
at fa.select (jquery.js:2)
at Function.fa [as find] (jquery.js:2)
at n.fn.init.find (jquery.js:2)
at new n.fn.init (jquery.js:2)
at n (jquery.js:2)
at HTMLDocument.<anonymous> (wpaudio.min.js:42)
at i (jquery.js:2)
at Object.fireWith [as resolveWith] (jquery.js:2)
fa.error @ jquery.js:2
fa.tokenize @ jquery.js:2
fa.select @ jquery.js:2
fa @ jquery.js:2
find @ jquery.js:2
n.fn.init @ jquery.js:2
n @ jquery.js:2
(anonymous) @ wpaudio.min.js:42
i @ jquery.js:2
fireWith @ jquery.js:2
ready @ jquery.js:2
K @ jquery.js:2
nVPYYuH9T-E:1
Error parsing header X-XSS-Protection: 1; mode=block; report=https://www.google.com/appserve/security-bugs/log/youtube: insecure reporting URL for secure page at character position 22. The default protections will be applied.