Hey all,
I have been dealing with this issue for about 3 weeks now and have tried everything I can think of which leads me to here. None of my posts on my site are able to be read by the facebook bot anymore and the result is no image preview when sharing to facebook.

I have debugged the link and rescraped it 100 times with the same resulting error: Provided og:image URL, https://www.unitedbybass.com/wp-content/uploads/2019/02/MFReleaseFB.jpg could not be processed as an image because it has an invalid content type.

After contacting Facebook we realized that their bot wasn’t able to read our meta tags correctly and was instructed to update our robots.tx file which we have done. After we did this we were able to share one post on facebook correctly and then it went back to the same issue.

I just looked at our htaccess file and am seeing this line:
RewriteCond %{HTTP_USER_AGENT} !(facebookexternalhit|Twitterbot|LinkedInBot|WhatsApp|Mediatoolkitbot)

Can someone explain what this is doing and if this is the reason that the Facebook bot is having trouble?

I have also copied the entire htacces file below. I am at a loss and have been slamming my head against my desk for weeks on this. Please help

# BEGIN WpFastestCache
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{HTTPS} =on
RewriteCond %{HTTP_HOST} ^www.unitedbybass.com
# Start WPFC Exclude
# End WPFC Exclude
# Start_WPFC_Exclude_Admin_Cookie
RewriteCond %{HTTP:Cookie} !wordpress_logged_in_[^\=]+\=tyler
# End_WPFC_Exclude_Admin_Cookie
RewriteCond %{HTTP_HOST} ^www.unitedbybass.com
RewriteCond %{HTTP_USER_AGENT} !(facebookexternalhit|Twitterbot|LinkedInBot|WhatsApp|Mediatoolkitbot)
RewriteCond %{HTTP_USER_AGENT} !(WP\sFastest\sCache\sPreload(\siPhone\sMobile)?\s*Bot)
RewriteCond %{REQUEST_METHOD} !POST
RewriteCond %{REQUEST_URI} !(\/){2}$
RewriteCond %{REQUEST_URI} \/$
RewriteCond %{QUERY_STRING} !.+
RewriteCond %{HTTP:Cookie} !comment_author_
RewriteCond %{HTTP:Cookie} !safirmobilswitcher=mobil
RewriteCond %{HTTP:Profile} !^[a-z0-9\”]+ [NC]
RewriteCond %{DOCUMENT_ROOT}/wp-content/cache/all/$1/index.html -f [or]
RewriteCond /home/tatluxffs22c/public_html/wp-content/cache/all/$1/index.html -f
RewriteRule ^(.*) “/wp-content/cache/all/$1/index.html” [L]
</IfModule>
<FilesMatch “index\.(html|htm)$”>
AddDefaultCharset UTF-8
<ifModule mod_headers.c>
FileETag None
Header unset ETag
Header set Cache-Control “max-age=0, no-cache, no-store, must-revalidate”
Header set Pragma “no-cache”
Header set Expires “Mon, 29 Oct 1923 20:30:00 GMT”
</ifModule>
</FilesMatch>
# END WpFastestCache
# BEGIN GzipWpFastestCache
<IfModule mod_deflate.c>
AddType x-font/woff .woff
AddType x-font/ttf .ttf
AddOutputFilterByType DEFLATE image/svg+xml
AddOutputFilterByType DEFLATE text/plain
AddOutputFilterByType DEFLATE text/html
AddOutputFilterByType DEFLATE text/xml
AddOutputFilterByType DEFLATE text/css
AddOutputFilterByType DEFLATE text/javascript
AddOutputFilterByType DEFLATE application/xml
AddOutputFilterByType DEFLATE application/xhtml+xml
AddOutputFilterByType DEFLATE application/rss+xml
AddOutputFilterByType DEFLATE application/javascript
AddOutputFilterByType DEFLATE application/x-javascript
AddOutputFilterByType DEFLATE application/x-font-ttf
AddOutputFilterByType DEFLATE application/vnd.ms-fontobject
AddOutputFilterByType DEFLATE font/opentype font/ttf font/eot font/otf
</IfModule>
# END GzipWpFastestCache
# BEGIN LBCWpFastestCache
<FilesMatch “\.(webm|ogg|mp4|ico|pdf|flv|jpg|jpeg|png|gif|webp|js|css|swf|x-html|css|xml|js|woff|woff2|ttf|svg|eot)(\.gz)?$”>
<IfModule mod_expires.c>
AddType application/font-woff2 .woff2
ExpiresActive On
ExpiresDefault A0
ExpiresByType video/webm A10368000
ExpiresByType video/ogg A10368000
ExpiresByType video/mp4 A10368000
ExpiresByType image/webp A10368000
ExpiresByType image/gif A10368000
ExpiresByType image/png A10368000
ExpiresByType image/jpg A10368000
ExpiresByType image/jpeg A10368000
ExpiresByType image/ico A10368000
ExpiresByType image/svg+xml A10368000
ExpiresByType text/css A10368000
ExpiresByType text/javascript A10368000
ExpiresByType application/javascript A10368000
ExpiresByType application/x-javascript A10368000
ExpiresByType application/font-woff2 A10368000
</IfModule>
<IfModule mod_headers.c>
Header set Expires “max-age=A10368000, public”
Header unset ETag
Header set Connection keep-alive
FileETag None
</IfModule>
</FilesMatch>
# END LBCWpFastestCache

# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ – [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

# END WordPress

RewriteCond %{HTTP_REFERER} !^http://unitedbybass.com/.*$ [NC]
RewriteCond %{HTTP_REFERER} !^http://unitedbybass.com$ [NC]
RewriteCond %{HTTP_REFERER} !^http://www.unitedbybass.com/.*$ [NC]
RewriteCond %{HTTP_REFERER} !^http://www.unitedbybass.com$ [NC]
RewriteCond %{HTTP_REFERER} !^https://unitedbybass.com/.*$ [NC]
RewriteCond %{HTTP_REFERER} !^https://unitedbybass.com$ [NC]
RewriteCond %{HTTP_REFERER} !^https://www.unitedbybass.com/.*$ [NC]
RewriteCond %{HTTP_REFERER} !^https://www.unitedbybass.com$ [NC]
RewriteRule .*\.(jpg|jpeg|gif|png|bmp)$ – [F,NC]

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