How do I get Avast to unblock my site?

I’m receiving reports from site visitors that Avast is blocking signix.com as a phishing threat. I’ve attached a screencap.

I’ve checked a reasonable number of sitelists and we aren’t blacklisted.

Can anyone here give me any advice on how to prevent our site from being blocked by Avast?

https://forum.avast.com/index.php?topic=14433.msg1289438#msg1289438

Site not blacklisted here: https://sitecheck.sucuri.net/results/www.signix.com
Trust rate 92% green: http://beta.brightcloud.com/tools/url-ip-lookup.php
but still alerted here: https://trafficlight.bitdefender.com/info?url=https://www.signix.com/
Also IP-dependant: https://checkphish.ai/ip/104.17.122.180

1 vulnerable JQuery-library detected: https://retire.insecurity.today/#!/scan/2250cbf81ceeb0b44eca91b5878903b85c85a4bf51d9e923447c67e1608d18f8
Code errors

-www.signix.com/hs/hsstatic/keyboard-accessible-menu-flyouts/static-1.3/bundles/project.js
status: (referer=-www.signix.com/)saved 2248 bytes 408d404c16c903b19f5b1bfd3718056aea5695b7
info: [decodingLevel=0] found JavaScript
error: undefined function document.querySelector
error: undefined function document.querySelectorAll
file: 408d404c16c903b19f5b1bfd3718056aea5695b7: 2248 bytes
&
-www.facebook.com/tr?id=930406790361069&ev=PageView&noscript=1
info: [decodingLevel=0] found JavaScript
error: undefined variable m
info: [element] URL=-www.google-analytics.com/analytics.js
info: [1] no JavaScript
file: 4b255ea3cc2df39b39d5db6baebcc389bc4f41b3: 91377 bytes
file: cc034b8ef7e51f6116d02c8aef2cc9fc89715a9a: 105 bytes

Possibly blocked because this is blocked by uBlock for me: -https://js.hscta.net/cta/current.js fakenews alert!
8 security recommendations (hints): https://webhint.io/scanner/884d2f36-fbba-4ee6-80fd-5525688c0f2a
Facebook Phishing external link 3 detect/alert as malware/PHISHING: https://www.virustotal.com/nl/url/ee8ebe63a43e25adb3cc39ced838a2cdecf861896e9cce54c9dd61d4b0c8f1f3/analysis/

polonus (volunteer 3rd party website security analyst and website error-hunter)

Hi,
signix[.]com was also located on Phishtank’s blacklist. However, it was already removed from our blacklist yesterday so now Your site should be OK.
Jirka