Why Every Post Sharing the Same Social Card Is a Missed Click
Setting one og:image in a site's global template and moving on is the path of least resistance — it takes five minutes, every page gets a valid image, and the checkbox is checked. It's also why so many blogs, when shared in a feed, are indistinguishable from each other until someone actually reads the title text next to an identical logo graphic.
What a feed actually looks like with one shared image
Scroll through any social platform's feed and the image is doing most of the initial filtering work — people decide what's worth stopping to read largely from the visual before they process the text next to it. When every link from a site shows the same logo card, that visual signal disappears entirely; the only thing distinguishing one shared post from another is a line of title text competing with everything else in the feed for a half-second of attention.
Why this is easy to not notice
A site owner rarely sees their own content the way a stranger scrolling a feed does — by the time you're sharing your own post, you already know what it's about, so the generic card doesn't register as a problem. The cost shows up in click-through rate on shares from other people, which is much harder to attribute to "the OG image looked the same as everything else" than to notice directly. It's a quiet tax, not a visible bug.
The case for a unique image per post
A distinct image per post — even a simple one, just the title on a branded background — gives a scrolling reader something to visually anchor on before they've read a word of text. It also means a post can be recognized and remembered from its card alone on a second encounter, the way a book's cover does more work than its title text does alone. None of this requires elaborate design; consistency in style with variation in content (same brand colors and layout, different title each time) captures most of the benefit.
Why this usually doesn't happen
The honest reason most sites settle for one generic image is that generating a unique one for every post, one at a time in a design tool, doesn't scale past the first dozen posts — it's real design work, repeated for every single article, and it falls off the priority list the moment there's anything else to do. The fix isn't "spend more time on OG images," it's removing the per-image manual step entirely.
Generate a batch instead of one at a time
FreeToolDev's bulk OG image generator takes a full list of post titles and produces a unique, on-brand social image for every one in a single batch — free, downloaded as a ZIP, no per-image editing required. See this comparison for how a pre-generated batch like this stacks up against generating images dynamically at request time.