Tools

Sites Up or Down?

https://downdetector.com

Group and Forum Spam

https://www.stopforumspam.com/

Force Facebook to refresh embeded URLs

https://developers.facebook.com/tools/debug

URL / Website malware testing tools:

https://sitecheck.sucuri.net//

Copy paste into browser:

http://www.google.com/safebrowsing/diagnostic?site=WEBSITE_URL

and / or from interface at Google:

https://www.google.com/transparencyreport/safebrowsing/?hl=en

HTML Extended Character reference online here

Web Presence Tools…

Mobile Readiness Tester

DNS / IP Toolkit

Google WebMaster Tools

Google SEO Starter Kit (link to online pages)

Google one-page SEO Guide (.pdf stored in this site.)

Google Personal Accounts

Google Hosted Services 

Google Analytics

Google Places for Business

Keyword Authority Search

Copied from http://thehackernews.com/2016/02/deep-web-search-engine.html

Deep Web

Deep Web Search Engines:

Blog at WordPress.com.

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