The phrase "are often tailored" is correct and usable in written English.
It can be used when discussing how something is customized or adjusted to meet specific needs or preferences.
Example: "The training programs are often tailored to fit the unique requirements of each employee."
Alternatives: "are frequently customized" or "are commonly adapted".
So commissioned works are often tailored to a particular performer.
Like many other cards, the student cards offer various discounts, though they are often tailored to students' interests, like travel, music, books and test preparation courses.
Such questionnaires -- or questions that lawyers have a judge ask potential jurors as occurred in the case of Mr. Quattrone -- are often tailored to the specifics of a trial.
Until they are ready to spend the money, the entities invest the proceeds in contracts that are often tailored to meet specific needs in terms of the timing of spending and required collateral to insure their debts.
However, in the Gaza Strip, projects are often tailored to serve the interests of donors rather than to address the actual local needs (Qarmout and Béland 2012).
Service after the sale is a major attraction, and our e-mail communications are often tailored to deliver specific service information.
In consumer and lifestyle sections, editorial content produced by the newsroom is often tailored to fit surrounding ads (or to flatter a brand that will buy legit placements).
His speeches in the House of Commons were often tailored to the solemnity and self-regard of that place: carefully contained indignation within a soberly constructed argument.
Structural and mechanical systems are tested in similar fashion to that described for aircraft structures, whereas electrical and electronic equipment is exhaustively checked by a battery of electronic test equipment that is often tailored to the system being examined.
Ponting's relationship with what has gone before is often tailored to suit his needs of the moment, an attitude born out by his reasonable insistence that his decision then to insert England when he was a Glenn McGrath down has no bearing on current circumstances.
A control system is often tailored to a specific sewerage network and is rarely - if ever - immediately transferrable to other sewerage networks.
