Having a fast site is important, since faster sites are rewarded with improved search engine optimization (SEO) and the ability to drive more visits and conversions. More people visiting your site can lead to more sales, signups or traffic in general. That’s a true win-win.
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Of course, where there’s a positive, there is always a negative. The flip side to fast sites is slow sites, and slow sites tend to suffer from lack of sales, sign-ups and traffic in general. That is definitely not a win-win.
Once you get above 3 seconds, many visitors leave before the page loads, many more will bounce, and your conversion rate will plummet. Not good.
Fortunately, auditing page speed is relatively painless and, in most cases, can be accomplished with free, easy-to-use tools. However, no single tool really gives us a complete end-to-end analysis.
To remedy this, I have put together a guide of my favorite free page-speed tools and how to use them. When you use the three tools together, they will give you a better understanding of real-world performance and optimization opportunities. Source link: