Could be because you still have issues with the site. Here are some examples:
HTTP 403 / Forbidden resources:
You probably need to define the location to these in a language file (or edit the template which is referencing these files). If these are real files you want served as images... You should probably add the appropriate image extension for your images (for example: .jpg or .png)... Otherwise you will need to adjust the rule in the .htaccess file to stop blocking these.
"NetworkError: 403 Forbidden - /includes/templates/avonlee_resp/images/FACEBOOK_ICON"
"NetworkError: 403 Forbidden - /includes/templates/avonlee_resp/images/YOUTUBE_ICON"
"NetworkError: 403 Forbidden - /includes/templates/avonlee_resp/images/GOOGLE_ICON"
"NetworkError: 403 Forbidden - /includes/templates/avonlee_resp/images/PINTEREST_ICON"
"NetworkError: 403 Forbidden - /includes/templates/avonlee_resp/images/BLOG_ICON"
"NetworkError: 403 Forbidden - /includes/templates/avonlee_resp/images/TWITTER_ICON"
Resources blocked via robots.txt:
There are some extraneous spaces / carriage returns in your robots.txt file. This can confuse some well behaved crawlers (they may ignore some directives or interpret them differently than expected). This
tool shows how some may misinterpret the current robots.txt on the site.
And for the search engines such as Google (which can handle the extraneous spaces / carriage returns - but the most specific directive is given precedence), you have requested the SE not crawl anything under "/includes/". This includes your Zen Cart theme (template) resources such as (but not limited to): CSS, images, and Javascript. Requesting the search engine not crawl the template resources is not a good idea as they are required for your website to display properly.
Keep in mind you should to test against the both the pages and the resources used by the pages (such as the stylesheet), not just the page URL. To see how Google reacts to your robots.txt use
Google Search Console. To see how Bing reacts to your robots.txt use
Fetch as Bingbot.
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