SEO tools make your SEO perfect every time. Here are some important tools name-
1. Mozbar (it check your site DA/PA score)
2. Google Analytic (Complete web stats and search insights)
3. Google Keyword Planner
4. Google trends
5. SEO Site checkup
Using public WiFi can prove fatal for anyone. If you need more then use a trusted wifi. The best is that you should keep your data so that you can run the net.