What are the tips for seo ?

[OPI]

Follow the Webmasters Guidelines
For On-Page
Content should be Fresh and Unique
Meta tag Optimization
Alt tag Optimization
H1, H2 tags
Submit Sitemap
Submit robots.txt file
Remove Canonical Issue
Use Canonical Tags
URLs Optimization
Optimize Title Tag
Interlinking
For Off-Page
Article Submission
Search Engine Submission
Directory Submission
Web Submission
Local Listing
Business Listing
Forum Posting
Guest Posting
Blogging
Commenting

[educaindia]

Social Bookmarking.
Press Release
Forum Submission

[sharmaroshni]

11 Ways To Improve SEO In 2017
1. Switch To HTTP/2
2. Target Fewer Derivations Of Keywords
3. Stick To The Basics
4. Use Google As A Bellwether
5. Focus On UX
6. Clarify Your Intent
7. Hire Ethical SEOs
8. Improve Your Site Speed And Limit Errors
9. Shift To Mobile First Indexing
10. Have Quality Backlinks
11. Move From Content Production To Content Library

[Educaindia2]

Use Unique Content.
Try to create quality backlinks.

[SnehalVyas]

Hello,
Focus on Quality content on Website and do Content Marketing.
Second important thing is Build Quality Backlinks.