What is the best method for serving cross-site content - JSONP, iframe, or a different approach?

In the process of developing an ad network, I am faced with the task of integrating third-party websites to include my JavaScript and replace specific divs with my content.

Choosing which content to serve dynamically into these divs necessitates a cross-site call. From what I understand, common methods to accomplish this are JSONP and iFrame. What are the advantages and disadvantages of each approach? Specifically, I am curious about:

  • Compatibility with different browsers
  • Performance for end users
  • Tracking ad performance
  • Protection against manipulation by third-party sites (such as fraudulent clicks)
  • The technology used by established ad networks

If there are alternative technologies that could be considered, I would like to explore those options as well.

UPDATE: Upon conducting further research, it appears that another possibility is utilizing an image tag that triggers a 302 redirect to enable the server to select an image dynamically.

javascriptajaxiframecross-domainjsonp

Answer №1

If you're looking for an alternative, consider incorporating CORS into your server setup. Keep in mind that this method is only compatible with newer browsers, so it may not be the best choice for all situations.

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