1. If you have complaint against your in laws for dowry harassment, there is a legal platform where you can seek justice and relief,
2. Writing vulgur coments about in laws in website is certainly part of cruelty,
3. Your husband and inlaws can also prosecute you by bringing charge of defamation in addition to filing divorce suit,
4. It hardly matters if you have deleted your said vulgur comments now,
5. You can file DV case and/or complaint u/s498A of IPC against your husband and inlaws,
6. You shall have to contest the divorce suit filed by your husband against you if you do not want to give him divorce,
7. Engage a lawyer having expertise in this field.