This week’s roundup of the web’s best marketing tips includes a guide to e-commerce content and an interesting update on site speed. We also have some great If This Then That (IFTTT) hacks, the science behind social proof, and lots of tips on how to optimize your content. Also, find out what Google knows about you and how you can get more done at work!

Research: Site Speed Is Hurting Your Everyone’s Revenue
Does site speed really matter? Ian Lurie of Portent did an in-depth study of 500 sites, and the results are clear. See what he found in this post.

Expanding the Horizons of eCommerce Content Strategy
Creating a content strategy that works for an ecommerce site is not easy, but this guide will show you exactly what you need to know and what content you shouldn’t forget to create.

The Big List of IFTTT Recipes: 34 Hacks for Hardcore Social Media Productivity
If you are looking for a way to increase the efficiency of your social media strategies, If This Then That (IFTTT) might be your answer. These recipes can save you loads of time and energy.

How Creating a Sense of Urgency Helped Me Increase Sales By 332%
Everyone wants to see higher conversion rates, but generating those increases is very (very) complex. Find out how scarcity and urgency can help.

The Science of Social Proof: 5 Types and the Psychology Behind Why They Work
Understanding “social proof” is important if you are hoping to influence sales via social media and other marketing mediums. Find out why it works and how to take advantage in this article.

Queries & Clicks May Influence Google’s Results More Directly Than Previously Suspected
Rand gives his thoughts on whether or not Google is using query and clickthrough data to influence search result rankings.

Top Tips For Optimizing Your Content: 9 Experts Weigh In
Optimizing content involves more than a focus on SEO; there are many factors you should be considering. Check out the recommendations from these nine experts.

How Google Knows What Sites You Control And Why it Matters
Ever wonder if penalties can be transferred to brand new sites? Cyrus has the low-down on that and other actions Google can take based on your administrative status.

How to Scale Yourself and Get More Done Than You Thought Possible
We all work hard, and sometimes it feels like we are just spinning our wheels. Here are some strategies that will help you work more effeciently.

The Domain Market is a Mess
Finding a domain for a new business or project can be nearly impossible. Here are some tips on finding a domain that will work for you.