If You visit any Zen Cart store You may notice greeting message that says something like ‘Welcome Guest! Would you like to log yourself in?‘. Have You ever wondered what’s purpose of this message? Does it give any information to the visitor? Does it make him feel special? Does it serve any purpose other then [...]

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Many sites have fancy seals like ‘HackerSafe’, ‘WebsSafeShield’,’BuyerShield’ and so on. Their issuers claim that those seals give confidance to customers and they are more likely to buy on site that has security seal. Some seal issuers claim boost of sales around 20%. The question is – is it true that store owner’s get more [...]

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Randomized Tests version 1.3 introduces new feature – custom impression functions. It allows You to decide who and under what conditions participates in A/B split test. In this post I would like to show You how to create custom impression detection function and how to use it to speed up experiments.
The need for custom impression [...]

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It’s mainly bug fix release. Update is STRONGLY recommended.
Changelog:

Changed file name of includes/auto_loaders/config.utis.php.php to includes/auto_loaders/config.utis.php
uti_install.sql missed some inserts
Fix to: [DELETE FROM uti_attributes WHERE uti_row_id = ? AND name IN () ]
UTI tables now use DB_PREFIX

You can download it from: Current version of UTI.

Bug, User Tracking Interface, UTI, Utils

It seems that I’ve forgotten to add installation commands to the sql installation file and there are no options under ‘UTI Variables’ in Configuration Menu. To Go to Admin->Tools->Install SQL patches and execute following commands:

SELECT (@group_id:=configuration_group_id) FROM configuration_group WHERE configuration_group_title LIKE ‘UTI Variables’;
INSERT INTO configuration (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order) VALUES(‘[Recent Products] Max recent [...]

Bug, User Tracking Interface, UTI, Utils

I promised to release new, more memory efficient version of Query Cache soon  – unfortunately (or fortunately) it seems that PHP is quite good at managing memory and there’s not much to improve. Therefore version 1.7 of Query Cache will be delayed.
Request to Query Cache users:
If You use Query Cache and Your store is still [...]

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Funny thing (and very annoying) – my FireFox 3.5.5 doesn’t save cookies anymore. It saves cookies until browser is running, but after I close it and open it again only those cookies that are meant to be save until ‘end of session’ are preserved. My cookie policy is ok ( cookies are stored until they [...]

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After long break new version of Query Cache for Zen Cart will be released in next week/two weeks. Few of You reported some ‘Out of memory’ errors that could be avoided so new version of QC will focus on memory consumption.  I’m not sure if performance per single http request is going to improve by [...]

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If someone (e.g. on Zen-Cart.com forum) asks You to copy contents of SHOW CREATE TABLE command (or any other similar command) here’s how to do it in phpMyAdmin. I assume that You know how to log in into phpMyAdmin – if You don’t contact Your hosting company.

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I moved my blog from Drupal to Wordpress – unfortunately comments were lost in the process.
Why I dumped Drupal for Wordpress? Drupal is great CMS engine but it’s just too big for my needs. I don’t want to spend my time learning another framework. Wordpress on the other hand is very simple and has great [...]

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