Auto generated long URLs

Hi Everyone, I hope you can help us with an Auto generated URL whenever a user clicks a button leading to the magazine. Supposedly, the link on our website is just
however when clicked the link becomes*1013nfl*_ga*ODEzNDM3NDQ0LjE3MTUxMzYzNjQ.*_ga_351T7MT2DY*MTcxODEzNTUwMS41NC4xLjE3MTgxMzYzOTguNjAuMC4w

Here is our website for your reference

We’ve talked to our web developer he said it’s only happening with links from Readymag so it’s not related on our end.

Please help fix the issue. Thank you so much for the help in advance.

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