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The Psychology of Web Performance - how slow response times affect user psychology. Summary: Users experience psychological and physiological effects when interacting with web pages, experiencing frustration when not completing tasks and engagement at faster web sites.

The Psychology of Web Performance - how slow response times affect user psychology

Learn how web page response times affect user psychology and behavior. Average Web Page Size Septuples Since 2003 - web page statistics and survey trends for page size and web objects. Summary: Within the last five years, the size of the average web page has more than tripled, and the number of external objects has more than doubled.

Average Web Page Size Septuples Since 2003 - web page statistics and survey trends for page size and web objects

The data appears to suggest that the more popular a web page, the smaller the total file size. The size of the average web page of the top 1000 websites has more than tripled since 2008 (our last update in May 2011 found it had more than septupled since 2003). In the past five years from 2008 to late 2012 the average web page grew from 312K to 1114K (see Figure 1), over 3.5 times larger (Domenech et al. 2007, Flinn & Betcher 2008, Charzinsk 2010, Souders 2012).

During the same five-year period, the number of objects in the average web page has more than doubled from 49.9 to 100 objects per page in November 2012. Study: Web Users Prefer Speed Over Customization. A recent study examined the effects of five web design features - customization, adaptive behavior, memory load, content density, and speed - on user preference for web-based services.

Study: Web Users Prefer Speed Over Customization

The 2009 study by Turkish and American HCI researchers Seneler, Basoglu, and Daim tested site designs for online flight reservations. The results of this study are valuable because insights into the relative importance (to users) of interface attributes can help web designers increase adoption and retention rates, and boost online revenues. As you can see from Figure 1 they found that the most preferred feature was high speed, followed distantly by minimal memory load, adaptive behavior, low content density, and customization features. Figure 1: Relative Importance of Interface Design Features.

How Google Analytics Gets Information. When Google Analytics code gathers information about each pageview, how does it send that information to the data collection servers so it can be processed?

How Google Analytics Gets Information

The information is sent in the query string of a request for the __utm.gif file. This file is requested for every single pageview, transaction and event. When the files are processed, Google Analytics can then string together the individual actions into a visit. Many organizations store a copy of every tracking request sent to Google Analytics data collection servers - this is accomplished with the setLocalRemoteServerMode(); function in ga.js. Once you have a local copy of Google Analytics tracking requests, you can process them with Angelfish Software. Cookies in Google Analytics. Cookies are at the heart of Google Analytics.

Cookies in Google Analytics

Not just because they are delicious, but because they provide a critical link in tracking return visitors and attribution. There is shockingly little documentation on the cookies created by the tracking code, what they store or how they work. But they are so integral to the Google Analytics reports, it is important to lift the hood and understand exactly what is going on. ***Update: Universal Analytics uses a different cookie "recipe" than the one outlined in this article. Flavors First, to dispel some confusion. If I am visiting www.mysite.com, and it sets cookies on my machine, those are first-party cookies.

Google Analytics uses first-party cookies. Facebook + Twitter's Influence on Google's Search Rankings. Since last December's admission from Google + Bing's search teams regarding the direct impact of Twitter + Facebook on search rankings, marketers have been asking two questions:

Facebook + Twitter's Influence on Google's Search Rankings

SEO Pricing: 600+ Agencies Share Costs of Services & Pricing Models. Near the end of December 2011, we ran a survey on this blog asking consultants and agencies of all sizes and geographies to contribute their pricing models and cost structures.

SEO Pricing: 600+ Agencies Share Costs of Services & Pricing Models

I'm pleased to share the results of that survey in the hopes that it will give everyone in the search industry a better idea of the range of fees and the services provided. Rich snippets: testing tool improvements, breadcrumbs, and events. Webmaster Level: All Since the initial roll-out of rich snippets in 2009, webmasters have shown a great deal of interest in adding markup to their web pages to improve their listings in search results.

Rich snippets: testing tool improvements, breadcrumbs, and events

When webmasters add markup using microdata, microformats, or RDFa, Google is able to understand the content on web pages and show search result snippets that better convey the information on the page. Thanks to steady adoption by webmasters, we now see more than twice as many searches with rich snippets in the results in the US, and a four-fold increase globally, compared to one year ago. Here are three recent product updates. Testing tool improvements Despite the healthy adoption rate by webmasters so far, implementing the rich snippets markup correctly can still be a major challenge. If you’ve added markup in the past but haven’t seen rich snippets appear for your site, we encourage you to take a few minutes to try testing the markup again on the updated testing tool. Events. Introducing Rich Snippets. Webmaster Level: All.

Introducing Rich Snippets

Specify your canonical. Carpe diem on any duplicate content worries: we now support a format that allows you to publicly specify your preferred version of a URL.

Specify your canonical

If your site has identical or vastly similar content that's accessible through multiple URLs, this format provides you with more control over the URL returned in search results. Sitemaps.org - Home. The Web Robots Pages. The Periodic Table Of SEO Ranking Factors. The Fresh Rank Algorithm, Is It More Important Than PageRank. New York Times Exposes J.C. Penney Link Scheme That Causes Plummeting Rankings in Google. Today, the New York Times published an article about a search engine optimization investigation of J.C.

Penney. Perplexed by how well jcpenney.com did in unpaid (organic) search results for practically everything the retailer sold, they asked someone familiar with the world of search engine optimization (SEO) to look into it a bit more. How Does Google Work? Learn How Google Works: Search Engine + AdWords. PageRank.

Mathematical PageRanks for a simple network, expressed as percentages. (Google uses a logarithmic scale.) Google Raters - All About Google Quality Raters. Wow, my post about how Google makes algorithm changes sure got a LOT of attention. While I happened to think the post itself was pretty darn informative (if I can be so humble…lol), it turns out that the majority of folks visiting just wanted a copy of the 2011 Google Quality Raters Handbook. Makes sense, but as most know by now, I was contacted by Google and had to stop sharing and linking to that document.