I have been testing out the blocks on one of the reference sites and notice on un-cached load of a page that the gallery takes a little while to render to the specified columns. It looks a bit clunky and on cached reload it isn't noticeable. But, first impressions do count with respect to new site visitors.
Thank you for contacting us and for sharing your feedback.
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I hope this helps and I'll wait to hear back from you.
I'm Christian, one of the developers of Toolset Blocks.
I totally agree with you that it look really odd for new visitors to first have the unordered list dots in the place of the gallery. Seems some CSS is loaded too late.
We will fix this asap and it should be shipped with the next week update of Toolset Blocks.
Thanks for the update. You mention the Blocks plugin. Will the same apply to Views as well? I would be using Views as I rely on more than just the blocks aspect of what Views does.
The changes/improvements to any Toolset block will apply across both plugins (Views and Blocks).
And as our reference websites also use our standard Toolset plugins, the gallery loading will automatically improve, once this release is out and the plugins are updated.