A research article can be discoverable in a search engine and still inaccessible to the person who needs to read it. That gap is central to the case for open access: scholarly work should be available beyond the institutions able to purchase access.
The Budapest Open Access Initiative helped articulate and organize that movement in the early 2000s. Its account connects the sharing of research with the possibilities of online distribution. The aim concerns what readers are able to access and use, not simply whether a journal has a website. [1]
Free to read is one part of the system
Editing, hosting, preservation, and other publishing activities still require resources. Removing a reader’s payment does not determine who supplies them. Different arrangements distribute costs among institutions, funders, publishers, and authors.
That distribution matters for participation. A system can improve access for readers while leaving some researchers with difficulty finding an affordable route to publish. Evaluating openness requires attention to both sides of the exchange.
Access is not a quality verdict
An openly available article still needs to be assessed through its methods, evidence, and relationship to other research. A paywall is not a certificate of reliability, and its absence does not make a claim automatically sound. These are separate questions.
The strongest case for open access is that more people should be able to inspect the work and take part in its discussion. That includes educators, practitioners, independent researchers, and members of the public affected by a finding. Opening the door makes that participation more possible. Maintaining a fair, durable publishing system requires continuing attention to the arrangements behind the door.