Generally where the website provides little more that a brochure it will be classed as a revenue expense. Where the website can be used for online retail then it can be classed as a capital cost.
each website classed on its own merits.
Based on the brief points you have made it sounds as if this would be a capital cost. However you should be ok as you will get AIA's dependent on your other capital purchases in the period
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Forgive the typo's I generally do not proof read. Just lazy I guess!