luni, 1 decembrie 2014

Damn Cool Pics

Damn Cool Pics


A Black Friday Face-off between Customers in Britain

Posted: 01 Dec 2014 11:45 AM PST

One of Britain's supermarkets had to close for half an hour as a result of customers fighting over items in store. These are some photos of real fights between customers over sale goods.
















Famous Events Back In The Day And Today

Posted: 01 Dec 2014 10:33 AM PST

These photos clearly show that we as people have come a very long way.














62-Year-Old Mickey Rourke Beats 29-Year-Old in Boxing Match

Posted: 01 Dec 2014 10:04 AM PST

At 62 years old Mickey Rourke is in better shape then most men in their prime. On Friday, in Moscow, Mickey Rourke beat 29-year-old Elliot Seymour, an American professional boxer, in the second round.


















Avoid Common Google Analytics Bugs and Misunderstandings that Lead to Bad Data

Avoid Common Google Analytics Bugs and Misunderstandings that Lead to Bad Data


Avoid Common Google Analytics Bugs and Misunderstandings that Lead to Bad Data

Posted: 30 Nov 2014 04:15 PM PST

Posted by CraigBradford

Problems in Google Analytics are causing you to get bad data, misunderstand reports and draw wrong conclusions. Many of these are not your fault, they're due to settings, bugs and the configuration of Google Analytics. There are also some that are just easy to misunderstand and that I've seen trip up even experienced consultants. 

Read on to learn what you need to look for.

Beware of sampling bugs

My team and I have recently seen some strange sampling issues/bugs in Google Analytics. We were looking at the landing page report with an advanced filter. All sessions were reported around 15k. Applying an advanced segment to the same report, all sessions were inflated by about 2.6x to 40k. See the image below: 

We've seen this in other reports too, but we're still unsure why this is happening. We've reported it to Google and they think it is a bug. If anyone else knows why this is happening, I'd be interested in hearing why in the comments below. For now, all we can do is be aware that this can happen.

Don't trust funnel visualisation

Funnel visualisation is one of the reports that people love to use. It's great in theory, looks good and at first glance tells you lots of the things you want to know.

The problem is, it's often just wrong. My number one tip for the funnel visualisation report is this: don't use it. Seriously. For three reasons:

  1. Data inaccuracies - I'll cover these in a minute
  2. Lack of segmentation - looking at all of your data on aggregate isn't very useful
  3. Goal flow report - most of what you want from the funnel visualisation report can actually be done in the goal flow report (although this is heavily sampled)

I'm only going to cover two of the inaccuracies/assumptions here; for more details and for a comprehensive overview of funnel visualisation and goal flow I recommend reading this.

Backfilling funnel steps

The whole point in creating a funnel is to see exactly where people go, and how many people move through the funnel steps. Unfortunately, that's very hard to see in Google Analytics. The section below, taken from the support article, explains the problem:

"The Funnel Visualisation report backfills any skipped steps between the step at which the user entered the funnel and the step at which the user exited the funnel.

For example, let's say your funnel is defined as /step1 > /step2 > /step3 > goal, and a user navigates from /step2 to goal, skipping /step1 and /step3.

In the Funnel Visualisation report, you'd see an entrance to /step 2, a continuation to /step 3, and a continuation to goal."

The longer the funnel, the more unusable this becomes because you have no idea which pages users really visited and which Google Analytics is just backfilling. All the funnel really shows is the entrance and exit point.

Order of funnel steps

The order that the steps are taken in also isn't taken into consideration. This makes the entry and exit pages also unusable. To use Google's example:

"For example, let's say your funnel is defined as /step1 > /step2 > /step3.html > goal.html.

A user then had this session: /xyz > /step3 > /step2 > /abc.

The Funnel Visualisation report would show an entrance from /xyz to /step2, a continuation to /step3 and an exit from /step3 to /abc."

We actually know that the entrance page was /page3 not /page2 and that the exit page was /step2 not /step3.

While I can see some of the logic behind these decisions, I would be very reluctant to draw any conclusions from the data. For most funnel analysis needs, I like PadiTrack which is mostly free. For other problems with the funnel visualisation report I also recommend this article by LunaMetrics.

Some single page sessions are not bounces, but all bounces are single page sessions

Without a full understanding of bounce rate, using this metric can be misleading. Bounced sessions are a subset of single page sessions. The best way to understand what 'bounce' means is to forget about the term 'pageviews' and use 'engagement hits' instead. I highly recommend this article by Justin Cutroni explaining time calculations in Google Analytics.

An engagement hit can be any one of the following five hit types:

  1. Pageview hits
  2. Interactive event hits
  3. Ecommerce transaction hits
  4. Ecommerce transaction item hits
  5. Social plugin hits

A bounced session occurs when only one of the above hit types is sent to the server. If more than one is sent, it's not a bounce. For example:

  1. You land on page, and then immediately leave - this is a single page session and a bounce, as only the pageview hit was sent.
  2. You land on a page click a tweet button and leave - assuming you are using social hits, this is a single page visit but is not a bounce, as you sent a pageview hit plus a social hit.
  3. You land on a page, click a tab that sends an event and leave - this is a single page session, but not a bounce, as firing an event counts as a hit.

In most cases, it seems sensible that single page sessions where people tweet, play videos, click buttons and buy products shouldn't be treated as bounces, but it's still worth being aware of because it could be causing some pages to have deceivingly low bounce rates.

All referrals start new sessions in Universal Analytics

Universal Analytics starts a new session every time someone arrives on your site from a referral. This wasn't the case with Classic Analytics JavaScript (ga.js). In classic Google Analytics, as long as the time between referral 1 and referral 2 was less than 30 minutes and the referral wasn't overridden by campaign tracking like AdWords or manual tagging, the original referrer would get credit.

There is one scenario when a referral won't trigger a new session in Universal Analytics - referral traffic from an ignored domain. When you set up a new Google Analytics property, your own domain is added to the exclusion list. This is only available if using ga.js code on your site. Upgrading the admin interface to Universal Analytics isn't enough. Referral traffic from domains on this list do not start a new session. The advantage of the new back-end functionality is that you'll no longer see self referrals in your Google Analytics reports without having to make any code changes.

The disadvantage of this way of treating referrals is conversions/goals can be misattributed to sites like payment providers. Imagine the scenario below (this is a common set up for E-commerce sites).

Image Source

A new session is started when moving from paymentdomain.com to yourwebsite.com, so sales would be attributed to referral traffic from paymentdomain instead of Google organic.

To stop this happening you need to add the domain of your payment provider to your referral exclusion list. This is easy to do in the admin section of your account. See instructions on how to do it here.

That's all folks. I hope you'll be able to make more informed decisions from your data after reading this. If anyone knows any more details on any of the items on the list I'd be interested in hearing your thoughts in the comments.


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Seth's Blog : Doing more, giving more, who's in charge?

 

Doing more, giving more, who's in charge?

Have you ever worked as hard as you did during that Organic Chemistry class? Or pulled more all nighters than you did when you were part of that project team?

And have you ever given more to charity than you did when someone pushed you to do so? Why do we need ice buckets and galas to incite us to donate to causes?

Along the way, we’ve come to believe that external motivation is the key to our success. That we need to be part of a degree program or a sales contest or have a boss looking over our shoulder to do our best work, to push us.

Of course, we were taught this by the marketers, industrialists and institutions that make a living by providing us external motivation...

If you accept the bargain of doing work on demand, though, you’ve just handed your future over to someone else. You've committed your best work to the highest bidder and to the person with proximity and leverage.

As marketing decentralizes and more of us work with less supervision (and more upside when we find our own path) reliance on the external fails us.

       

 

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