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#1 2015-02-14 15:25:54

john bishop images
Moderator
From: Vancouver, BC, Canada
Registered: 2012-10-05
Posts: 20
Website

rel="image_src" is empty on /blog/

As well as OG:IMAGE, TWITTER:IMAGE and TWITTER:IMAGE:SRC.

This results in the social media URL scrapers not finding a valid set of images, etc, notably Facebook, Twitter and Pinterest. LinkedIn seems to grab a couple of images but one of them is the bluehost advertising image and that is one I likely never want selected to post. Google+ seems OK(?).

Further the Facebook Open Graph Object Debugger (https://developers.facebook.com/tools/debug/og/object/) fails with several error messages when I enter my test site WP URL at http://johnbishopimages.net/blog/

Warning
Object at URL 'http://johnbishopimages.net/blog' of type 'website' is invalid because a required property 'og:image:url' of type 'url' was not provided.

Errors That Must Be Fixed
Object Missing a Required Value    Object at URL 'http://johnbishopimages.net/blog' of type 'website' is invalid because a required property 'og:image:url' of type 'url' was not provided.

Also, would it be possible to add a "site wide" Feature Image theme option so that the WP theme will use that if it doesn't find one?

Last edited by john bishop images (2015-02-15 13:27:17)

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#2 2015-02-15 15:55:13

Matthew
Administrator
From: San Francisco, CA
Registered: 2012-09-24
Posts: 5,603
Website

Re: rel="image_src" is empty on /blog/

An image is specified for single posts and pages only. I did a lot of looking around and research to determine the prevailing way of handling the home and archive pages, and found the "hands-off" approach to be pretty universal.

In the CE3 version, I think I had coded a script to scrape the page for the first image, but that frequently resulted in weird image choices, about which I was very unhappy.

I've been trying to come up with something better than both of the above, but haven't hit upon a good idea yet. A site-wide fallback image, configurable via theme options, might be a reasonable compromise ...


Campagna Pictures, http://campagnapictures.com
The Turning Gate, http://theturninggate.net

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#3 2015-02-16 08:16:50

john bishop images
Moderator
From: Vancouver, BC, Canada
Registered: 2012-10-05
Posts: 20
Website

Re: rel="image_src" is empty on /blog/

Some additional thoughts ...

1) For all "archive" pages (i.e. search results, /tag/..., /category/..., /author/...) you omit all the OG/Twitter tags except for the home /blog/ page. Bug?

2) If you think you might go with "blog-wide" images (please!), perhaps allow for the specification of an image for each class of archive page (i.e. one for is_tag(), one for is_category(), ...).

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