Keep it short.

Even if you've bought huge web space for your ad, it just wouldn't do for you to make use of all of it by cramming as much content in it as you can. If you want to make the right impression on your viewers then keep your advertisement brief. Keep it simple. The simplest statement often has the greatest impact and you should never ever forget that.

Now, there are many ways to keep your ad short and simple. Review the text you've included in your ad. Have you beaten around the bush in any way? If so, remedy that and go straight in the point. Readers will appreciate your ad more if you don't waste their time going around in circles. Being creative with words is good and sometimes necessary but remember not to overdo it. Check the words you've used: are there any that would benefit from a substitute?

Check your grammar.

No customer finds a badly written Internet marketing ad favorable. An Internet marketing ad that's filled with grammatical and punctuation errors leads to a highly negative impression on the company. It makes customers think that the people behind the ad are unprofessional and quite frankly, stupid. You definitely don't want that to happen with you so double and triple check your Internet marketing ad before having it distributed and displayed to all corners of the Internet.

Also, typographical errors are inexcusable: customers are not that forgiving of grammatical errors so even if it's a genuine typographical error on your part, customers are unlikely to believe it's so.

Use keywords.

Internet marketing ads are also ranked by search engines. They are indexed by search engine spiders, too, and that's why you still need to use the appropriate keywords for the appropriate number of times in your Internet marketing ad.

Avoid keyword stuffing. An Internet marketing ad with just a few keywords in it is infinitely better than an Internet marketing ad that's bogged down by keywords to the point of incoherence. The temptation to use keywords as often as possible is great, yes, but don't let yourself succumb to it. If you do, things might backfire and although you've got excellent search engine results for them, customers could turn their backs on you because they just don't like how you've designed your ad. In that case, search engine optimization didn't work so well for you, did it?

Pay attention to when and where your Internet marketing ads are being displayed.

Most advertising websites let you have a say on where and when your ads will be displayed and you should definitely exercise that right. There was one instance that a website promoting services for children's amusement and recreation had ads with adult content on their homepage. Later on, it turned out that the website and the advertiser had no idea about what was happening and it all led back to the advertisement company both of them were dealing with. Although neither had intended such a thing to happen, the damage had been done.

These are of course just simple tips to guide you when creating your first Internet marketing ad. The rest you're sure to learn through experience. Good luck!