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wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

Refreshyourcache.com will provide you with tutorials how to refresh (clear) the cache from your browser.

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GTmetrix is a free tool that analyzes your page's speed performance. Using Page Speed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.

PC Tools PC software is highly trusted, award-winning security & utility software for Windows, including Spyware Doctor, Spyware Doctor with AntiVirus, Internet Security and Registry Mechanic. PC Tools products protect the privacy and security of...