FAQ Piwik

If you have a question for us at Piwik that has not been answered before, feel free to flick us an email at hello@piwik.org and we shall pop the answer up here for all to see. Thanks!

New to Piwik

  1. What is Piwik?
  2. How is Piwik different to Google Analytics and other web analytics tools?
  3. How does Piwik work?
  4. Can Piwik manage multiple user accounts?
  5. Is there an online demo available?
  6. How do I know when new versions are released?
  7. Can I rebrand or sell or reuse or re-license or include Piwik in my product, company, or website?
  8. Can I get the data from the Piwik API web services and publish, reuse, process this data in a non GPL software?
  9. Who is the team behind Piwik?
  10. How does Piwik track downloads?
  11. What are Outlinks, Clicks or Unique clicks?
  12. Where can I get support?
  13. Does Piwik track visitors without Javascript? Does Piwik track search engine bots or other robots?
  14. Can I use Piwik and Google Analytics / Yahoo! Analytics / WebTrends etc. at the same time?
  15. How do I pronounce Piwik?

Installation

  1. How do I install Piwik?
  2. What are the requirements for installing Piwik?
  3. Can I use a database other than MySQL, like Postgresql, SQLite, Oracle?
  4. Do I need to create a MySQL database?
  5. How do I find out which version of PHP I have?
  6. Do I need to use PHP on my websites to use Piwik?
  7. How can I reinstall Piwik? Can I keep the existing data?
  8. I want to migrate Piwik and move it to a new domain or a new subdomain, with the same MySQL server. How should I proceed?
  9. How can I move Piwik from one server to another, also migrating the data from one mysql server to another?
  10. My Web host supports PHP4 by default. How can I enable PHP5?

Update

  1. What version of Piwik do I have?
  2. What should I do when I want to update Piwik to the latest version?
  3. How do I backup my MySQL database?
  4. How do I restore my MySQL database?
  5. I have this error on startup: Translation string ‘PluginsAdmin_MenuPlugins‘ not available.
  6. I have this error after updating Piwik: "Uncaught exception: 'The plugin 'Home' is not activated. You can activate the plugin on the Plugins admin page.'"
  7. What should I do when the upgrade failed with "SQLSTATE[42000]: Syntax error or access violation: 1142 INDEX command denied to user 'myUserID'@'SomeIP' for table 'SomePiwikTable'"

How to

  1. How do I exclude traffic from an IP or a range of IP addresses?
  2. How do I exclude query parameters from my reports?
  3. How do I set the time zone for my reports?
  4. How do I specify the currency used in the Goals revenue reports?
  5. How do I specify which websites to load by default in Piwik?
  6. How to specify the date used by default in Piwik reports?
  7. How can I set custom groups of pages (structure) so that page view are aggregated by categories?
  8. How to make Piwik faster?
  9. After the top 500 or top 1000 rows, Piwik automatically groups pages, keywords, websites, etc. under the label "Others"; How can I force Piwik to not limit the data?
  10. How can I force the reports to be re-processed from the logs?
  11. Can I get reports for a custom date range?
  12. How to track error pages (404 pages) in Piwik? Which URLs are 404 and which referers lead to these pages?
  13. How do I track visits on my intranet?
  14. How do I automatically login my users in Piwik when they go from my CMS to Piwik?
  15. How do I delete all statistics for a given websites, or for all websites?

Plugins

  1. List of Piwik plugins
  2. How do I install a new plugin?
  3. How can I build a Piwik plugin?
  4. How do I report a bug in a plugin?

General

  1. Are Piwik reports real time?
  2. How is a 'unique visitor' counted in Piwik?
  3. How is a 'visit' defined in Piwik?
  4. What is an 'Entry page'?
  5. What is an 'Exit Page'?
  6. What is the 'super user' in Piwik?
  7. What is the 'admin' permission in Piwik?
  8. What is the 'view' permission in Piwik?
  9. Can I install Piwik on one server and track visits on websites that are hosted on other servers?
  10. How long does the Piwik archiving process take for high traffic websites - or hundreds of websites?
  11. Is the Piwik Javascript Tracking Code XHTML 1.0 compatible?
  12. Does the Piwik Tracking tag work on https (SSL) pages?
  13. What is "page title not defined" in the Page titles report?
  14. What is "page url not defined" in the Pages report?
  15. In the Providers report, what does "IP" mean?
  16. A search engine is counted as a website referer. How can I add the search engine to Piwik?
  17. Can I help translate Piwik into my native language?
  18. How can I become an official Piwik Consultant?

Troubleshooting

  1. Piwik shows "No Data" in all reports.
  2. Statistics from Piwik and my other web analytics tool (log analyzer, webalizer or javascript based) are different, why?
  3. Visits from search engines or campaigns are not recorded, Piwik shows "No data available".
  4. Piwik doesn't detect accurately the Country and/or Continent of my visitors.
  5. The graphs (pie chart, bar chart, evolution graph) are not showing in my Piwik.
  6. The sparklines (small graphs like ) are not showing in my Piwik.
  7. The Piwik Javascript code shows a red cross (on IE) or a broken image icon instead of the 1*1 transparent Pixel, what is the issue?
  8. How can I purge Piwik logs?
  9. I get the error message: "Fatal error: require_once() [function.require]: Failed opening required XYZ in /path/piwik/XYZ.php on line X". How can I get Piwik to work?
  10. What should I do when I get the error message: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (11)
  11. I get the error "Warning: gzuncompress() [function.gzuncompress]: data error" when looking at my Piwik reports.

Piwik and OpenX

  1. What is OpenX?
  2. What is the link between Piwik and OpenX?
  3. What does the OpenX ad server do?

Piwik and phpMyVisites

  1. What is Piwik?
  2. How is Piwik different to phpMyVisites?
  3. What is going to happen to phpMyVisites?
  4. How do I upgrade from phpMyVisites to Piwik?

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