For instance, it takes light about 40ms for a round trip between Paris and New York. That’s a theoretical maximum in reality, it will take longer than that for data to transfer. Why does it take time to get a response?The factor we can’t avoid is that network signals can’t travel faster than the speed of light. These costs are incurred with each request regardless of whether the payload is a tiny, minified CSS file or a huge uncompressed image. The first three are independent of file size they are effectively constant costs. It’s only this last bit that is affected by bandwidth and the size of the content.įulfilling a request requires (more or less) these steps:Įach of these steps takes time, not just the last. The very last part of that is transferring the requested content. Lots of things happen when that request is made. What happens when you make a request?If a user types a URL into a browser address bar and hits enter, a request is made. And then it takes time for the server to respond to you! It also takes take time for your request simply to reach a server. Latency can hurt load times more than bandwidthA first look at PageSpeed Insights’ rules could make you think it’s all about serving fewer bytes to the user. Specifically, multiple requests to the same server are less problematic. And you may make better recommendations as a result.ĭisclaimer: HTTP2 improves some of the issues discussed in this post. You should walk away with enough perspective to start asking the right questions. I’ll skip over some of the more technical bits. I’m writing with SEO practitioners in mind. Improvement starts with measurement, goal setting, and prioritization PageSpeed Insights scores shouldn’t be taken at face value Latency can hurt load times more than bandwidth For most sites, a perfect score isn’t realistic. If that’s you, PageSpeed Insights is a great place to start. Page speed insights how to#In fact, Moz has a popular article on this subject: How to Achieve 100/100 with the Google Page Speed Test Tool.įor small sites on common CMSes (think WordPress), this can be accomplished. Similarly to PageRank years back, folks want to optimize this number just because it exists. Because this score is concrete, the PageSpeed Insights score is often used as a measure of site performance. It gives a score to quantify page performance. Google’s PageSpeed Insights is an easy-to-use tool that tests whether a web page might be slower than it needs to be. The author’s views are entirely his or her own (excluding the unlikely event of hypnosis) and may not always reflect the views of Moz. Get the scoop on the latest and greatest from Moz. Gain a competitive edge in the ever-changing world of search. Moz was the first & remains the most trusted SEO company.Įarn & keep valuable clients with unparalleled data & insights.Įxplore how Moz drives ROI with a proven track record of success. Uncover insights to make smarter marketing decisions in less time. Lock in Super Early Bird savings for MozCon Insights & discussions from an SEO community of 500,000+. Learn modern SEO best practices from industry experts. Upskill and get certified with on-demand courses & certifications. Step-by-step guides to search success from the authority on SEO.īroaden your knowledge with SEO resources for all skill levels. The #1 most popular introduction to SEO, trusted by millions. Using Google Chrome, see top SEO metrics instantly for any website or search result as you browse the web. Get top competitive SEO metrics like Domain Authority, top pages, ranking keywords, and more. The One Keyword Research Tool for SEO Successĭiscover the best traffic-driving keywords for your site from our index of over 500 million real keywords. Gain intel on your top SERP competitors, keyword gaps, and content opportunities.Įxplore our index of over 40 trillion links to find backlinks, anchor text, Domain Authority, spam score, and more. Power your SEO with the proven, most accurate link metrics in the industry, powered by our index of trillions of links.Ĭompetitive Intelligence to Fuel Your SEO Strategy SERP tracking and analytics for SEO experts, STAT helps you stay competitive and agile with fresh insights. Raise your local SEO visibility with easy directory distribution, review management, listing updates, and more. The essential SEO toolset: keyword research, link building, site audits, page optimization, rank tracking, reporting, and more. Faster Sites: Beyond PageSpeed Insights – Moz
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