Changelog

6.18.1

fixed migration

6.18.0

This release contains backward incompatible changes!

added cluster support for ClickHouse

6.17.0

added max page views configuration per request
updated referrer blacklist
updated User-Agent blacklist
updated dependencies

6.16.2

removed hostname from page, entry page, exit page, and active visitor stats
updated dependencies

6.16.1

fixed including VPNs based on IP address
improved logging

6.16.0

removed hostname fallback
updated dependencies

6.15.5

fixed reading events with path or regex filter

6.15.4

fixed reading events with path or regex filter

6.15.3

fixed overwriting hostname in URL

6.15.2

read entry/exit pages in batch rather than everything at once
fixed regex filter for imported statistics and platforms

6.15.1

read average time on page in batch rather than everything at once
updated referrer blacklist
updated dependencies

6.15.0

added storing hostname
added reading and filtering for hostnames
added reading visitors by weekday and hour
added sorting by entry and exit rate
improved entry and exit rate calculation
fixed storing milliseconds for timestamps
updated dependencies

6.14.2

improved Arc browser detection
updated WebKit version list
updated dependencies

6.14.1

removed boundary checks previously necessary to fix incorrect session data
fixed migration if migration table already exists
updated User-Agent blacklist
updated dependencies

6.14.0

switched to VersionedCollapsingMergeTree for session data
use batch inserts instead of prepared statements
updated dependencies

6.13.3

fixed types for views and bounces result fields

6.13.2

fixed reading platform with imported statistics and page filter set

6.13.1

upgraded to Go 1.23
improved creating and cleaning up test data
speed up tests
fixed logging error
fixed relative visitor calculation for platform

6.13.0

added merging imported statistics
updated and improved referrer blacklist
updated User-Agent blacklist
updated dependencies

6.12.2

fixed storing bot traffic reason

6.12.1

added reason for bot traffic
updated dependencies

6.12.0

added funnel
updated referrer blacklist
updated User-Agent blacklist
updated dependencies

6.11.1

added not contains filter option
fixed filter excluding countries
updated referrer blacklist
updated User-Agent blacklist
updated dependencies

6.11.0

replaced neighbor with window functions
updated dependencies

6.10.0

WARNING: this release has a breaking configuration change for GeoDB and Udger!

added configurable download URL for GeoDB and Udger
fully automated schema migrations (including steps that were previously run manually)
updated dependencies

6.9.2

improved bot filter

6.9.1

added country filter validation
updated dependencies

6.9.0

added regions
updated User-Agent blacklist
updated referrer blacklist
updated referrer mapping
updated dependencies

6.8.5

fixed logging IP address if configured for bot requests

6.8.4

removed honoring DNT (nobody uses it)
updated dependencies

6.8.3

improved logging bot traffic
updated dependencies

6.8.2

fixed filter for session breakdown

6.8.1

fixed missing IncludeTime for TotalVisitors filter
updated dependencies

6.8.0

added listing and reading individual sessions
added grouping results by minute
fixed joining time stats
fixed joining events when grouping by hours/minutes
updated User-Agent blacklist
updated dependencies

6.7.4

added boolean to Tracker returning whether a request has been dropped
updated dependencies

6.7.3

added a fixed limit to the number of filter options that are returned
improved browser and OS parsing
updated dependencies

6.7.2

fixed reading event breakdown
updated dependencies

6.7.1

fixed filtering for custom metrics and tags

6.7.0

added tags for segmentation to page views
added trimming to metadata keys
added storing requests for new sessions with or without bot flag
empty metadata keys and values are now ignored
renamed bot table to request
removed OptionsFromRequest
removed user_agent table
fixed SQL injection attack vector
updated dependencies

6.6.8

updated dependencies

6.6.7

improved User-Agent filter

6.6.6

improved User-Agent filter
updated User-Agent blacklist
updated referrer mapping
updated dependencies

6.6.5

fixed missing filter for time on page
updated dependencies

6.6.4

added retries to Tracker when saving data
updated dependencies

6.6.3

added User-Agent and client hint detection for Arc
updated dependencies

6.6.2

fixed exit rate calculation

6.6.1

removed "dalvik" from the User-Agent blacklist
removed id field from filter fields
do not log context cancelled errors
fixed parsing generic Sec-CH-UA for "Not", "Not A", and "Not)A"
fixed reading event pages with title and sampling
fixed casting negative UInt64s due to broken data

6.6.0

added optional context to cancel queries
added sampling
fixed insert parameter placeholders
updated User-Agent blacklist
updated dependencies

6.5.2

improved tests related to time on page
fixed average time on page calculation
fixed events resetting time the session was last seen
updated dependencies

6.5.1

improved tests related to session duration and time on page
fixed average session duration calculation with path filter

6.5.0

This release requires a manual database migration. Check pkg/db/schema/0020_primary_keys_sampling.up.sql for details.

added sampling keys for all tables
added number of events to event statistics
ignore comments in migration scripts
fixed primary key for events table
fixed alias for path when merging page view, session, and event table
updated dependencies

6.4.1

optimized query builder
fixed limit for reading total number of sessions per page
fixed tests

6.4.0

added TotalPageViews and TotalSessions to Analyzer
updated dependencies

6.3.1

fixed timezone for session duration and time on page

6.3.0

create page view when event is fired on a page that's different from the last page visited
update page views for session when event is fired on a page that's different from the last page visited
fixed missing page view when event creates a session
updated referrer mapping
updated User-Agent blacklist
updated dependencies

6.2.1

fixed filter for total unique number of visitors

6.2.0

added TotalVisitors to Analyzer
updated dependencies

6.1.1

fixed time shift in daily visitor statistics

6.1.0

ignore www to get the referrer
updated referrer list
updated referrer blacklist
updated dependencies

6.0.0

refactored package structure and a few method and struct names
switched to log/slog for logging
removed deprecated rand.Seed initialization
updated browser minimum versions
added support for client hints
added Chrome OS and Windows 11 detection
added conversion rate to total, by period, and growth
added custom metrics for events
updated User-Agent blacklist
updated referrer blacklist
upgraded to Go 1.21
updated dependencies

5.10.8

added referrers to mapping

5.10.7

fixed resetting sessions when referrer name changes

5.10.6

fixed query parameter preference

5.10.5

prefer query parameters over header to extract referrer

5.10.4

added custom referrer mapping
updated referrer mapping
fixed script to update referrer mapping

5.10.3

fixed calculating average session duration
updated dependencies

5.10.2

updated dependencies

5.10.1

fixed grouping events by metadata
updated dependencies

5.10.0

added bot table for traffic that has been filtered
removed is_bot counter

5.9.2

do not increase page view count on bounce
do not store page view if the session bounced before
fixed calculating average session duration and time on page
updated User-Agent blacklist
updated dependencies

5.9.1

use less aggressive bot filtering defaults
updated dependencies

5.9.0

improved string utility functions
increased minimum delay between page views from 75ms to 500ms
added option for maximum number of page views
updated User-Agent blacklist
updated referrer blacklist
updated dependencies

5.8.2

fixed page view count when session is created on an event
updated dependencies

5.8.1

fixed session locks (?)
updated dependencies

5.8.0

optimized field comparisons
fixed entries/exits when filtering for a path pattern
removed JavaScript scripts so that they don't have to be maintained in two places
removed demo code
updated User-Agent blacklist
updated referrer blacklist
updated dependencies

5.7.0

added Analyzer.Visitors.TotalVisitorsPageViews
updated dependencies

5.6.0

added parsing referrer from query parameters (ref, utm_source, ...)
added Safari version 16 Webkit version mapping
fixed escaped URLs in Referer header
fixed query when multiple metadata keys were set
updated User-Agent blacklist
updated dependencies

5.5.2

fixed ClickHouse driver concurrency issues

5.5.1

downgraded ClickHouse driver

5.5.0

added region for US cities
renamed GeoDB.CountryCodeAndCity to GeoDB.GetLocation
updated User-Agent blacklist
updated referrer blacklist
updated dependencies

5.4.1

added metadata options to analyzer

5.4.0

added cache for Android app referrer mapping
added User-Agents tests for recent browsers
fixed Android app referrer mapping with trailing slashes
upgraded to Go 1.20
updated User-Agent blacklist
updated referrer blacklist
updated dependencies

5.3.0

improved referrer mapping
updated dependencies

5.2.0

removed screen width and height (only the class is used)
updated User-Agent blacklist
updated referrer blacklist
updated referrer mapping
updated dependencies

5.1.0

added parameter to overwrite the time a page view/event/session extension has been sent to support batch inserts
updated User-Agent blacklist
updated referrer blacklist
updated referrer mapping
updated dependencies

5.0.3

added a rewrite option using the data-dev attribute

5.0.2

removed unused custom parameters (data-param-*)
updated User-Agent blacklist
updated referrer blacklist
updated referrer mapping
updated dependencies

5.0.1

fixed searching by path
updated dependencies

5.0.0

added pirsch-sessions.js script to automatically extend sessions
added field to count how often a session has been extended
added bot filter based on IP address
added event pages as new statistic
improved interfaces and defaults
improved query builder
fixed inverting event filter
fixed extending sessions in database
fixed automatic GeoDB update
updated User-Agent blacklist
updated referrer blacklist
updated referrer mapping
updated browser version mapping
updated dependencies

4.5.1

fixed page title for page views

4.5.0

added options to disable the collection of query parameters, referrers, and resolution in scripts
added HitOptions.MaxPageViews for maximum number of page views to flag bots
updated User-Agent blacklist
updated referrer blacklist
updated referrer mapping
updated browser version mapping
updated dependencies

4.4.0

connect negated parameters using logical AND instead of OR
use nil instead of empty slices when removing filter options
updated dependencies

4.3.2

fixed platform statistics returning sessions instead of unique visitors
fixed fingerprint test
updated dependencies

4.3.1

optimization reading session for previous day

4.3.0

added 24 hour limit to fingerprint (previously closed source as part of the salt)
updated dependencies

4.2.0

ignore User-Agents containing non-ASCII characters
ignore User-Agents containing less than 10 or more than 300 characters
switched to sendBeacon for events
limited session lifetime to 24 hours
added sorting entry/exit pages by the number of visitors
fixed data-dev attribute in pirsch-events.js
fixed SessionMaxAge being used for the maximum session lifetime
updated User-Agent blacklist
updated referrer blacklist
updated referrer mapping
updated dependencies

4.1.0

added visitors, sessions, entry/exit rate, and average time on page to entry/exit page statistics when filtering for an event
upgraded to Go version 1.19
switched from atomic.LoadInt32 to atomic.Bool
updated dependencies

4.0.0

added multiple filters for the same field connected with OR
added support for "contains" for filter fields
added reading filter options using the Analyzer
refactored code into modules
refactored Analyzer to group methods
ignore event metadata when event name is not set
fixed entry/exit rate calculation
fixed some concurrency issues
updated User-Agent blacklist
updated referrer blacklist
updated referrer mapping
updated dependencies

3.10.2

fixed missing spaces in query builder
updated dependencies

3.10.1

changed weekly timescale to start on Monday
fixed visitor statistics having the right date set depending on the timescale
updated dependencies

3.10.0

added database connection configuration and defaults
added whitelisting pages
removed jmoiron/sql and optimized reading results
saving page views, events, or sessions will now panic on error
fixed grouping cities and countries when city is unknown
refactored Tracker
updated dependencies

3.9.1

always return clean IP from getIP
allow overwriting parser using HitOptions

3.9.0

changed session.is_bounce type to Int8, so that it is the same for all booleans
updated ClickHouse driver to v2
moved database configuration from connection string to struct
added a custom schema migrator and removed golang-migrate/migrate
use the rightmost IP from X-Forwarded-For and Forwarded headers
check if the visitor IP address is valid
overwrite the default header parser list for the Tracker and allow no header usage at all
configure valid proxy IP address ranges for IP headers
added detection for Safari 15
updated User-Agent blacklist
updated referrer blacklist
updated referrer mapping
updated dependencies

3.8.3

fixed passing dates without timezone

3.8.2

always return referrer URL in lower-case
updated dependencies

3.8.1

fixed statistics when using a different period other than "day"
updated User-Agent blacklist
updated referrer blacklist
updated referrer mapping
updated dependencies

3.8.0

added Search, Sort, and Offset to Filter
changed min delay for flagging bots to 50ms
exposed fields and field names
updated referrer blacklist
updated referrer mapping
updated dependencies

3.7.8

replace substr with substring in scripts
added option to send data to multiple clients in scripts

3.7.7

fixed filtering entry/exit pages by path pattern
upgraded to Go version 1.18
updated referrer mapping
updated dependencies

3.7.6

fixed calculating growth for today not including time

3.7.5

the growth for a single day is now compared to the same day of the previous week
fixed building entry/exit page queries when filtering for path and grouping by page titles
updated dependencies

3.7.4

changed default min delay for bot detection to 200ms
use the same buffer size for everything in Tracker
fixed releasing session lock when request is cancelled because it's a bot

3.7.3

added options to Client
added debug logging to Client
changed default Tracker timeout from 10 to 3 seconds before hits/events are saved
updated dependencies

3.7.2

fixed calculating growth when including time in filter

3.7.1

fixed including time in filter for live view

3.7.0

added True-Client-IP header to receive the real visitor IP (Cloudflare)
added new bot list by Atmire (https://github.com/atmire/COUNTER-Robots/blob/master/COUNTER_Robots_list.json)
added script to update and clean up the User-Agent blacklist
added flagging bots based on how quickly page views are being sent
added options to Analyzer
added grouping results by week, month, and year and new fields Week, Month, and Year to VisitorStats and TimeSpentStats
calculating the growth for today will now take the time into account, and not compare to the full past day
optimized JS scripts and added page filtering and option to disable the script using localStorage
removed Filter.Day and Filter.Start and added Filter.IncludeTime instead, allowing to filter everything by date and time
VisitorStats.Day and TimeSpentStats.Day are now nullable fields (new week, month, and year are also of type sql.NullTime)
fixed grouping referrers with path in URL
fixed missing timezone
updated User-Agent blacklist
updated referrer blacklist
updated referrer mapping
updated dependencies

3.6.4

added counting multiple page views without switching the actual page as bounced again
fixed filtering time range when joining the session table to page views

3.6.3

fixed counting bounces multiple times when grouping by pages

3.6.2

clear session buffer before it's full or exceeds the buffer size
fixed concurrent access to redis session cache
updated dependencies

3.6.1

include country code in cities statistics
make sure path is not included more than once in filter list
moved capturing the page view time after looking up the session to prevent overlaps
added JSON field names for page views, sessions, and events
smaller optimizations
updated User-Agent blacklist
updated browser version mapping
updated referrer mapping
fixed time on page test when grouping by page title

3.6.0

added sessions, views, bounces, and bounce rate to hourly visitor statistics
fixed average session duration calculation
updated referrer name list
updated dependencies

3.5.7

drop backup tables
fixed github.com/containerd/containerd security issue
set minimum Go version to 1.17
updated dependencies

3.5.6

migrated to DateTime64 for millisecond precision dates
added optimistic locking for session cache (in-memory and Redis)
fixed session collapsing order by
updated User-Agent blacklist
updated dependencies

3.5.5

use strconv.ParseUint instead of strconv.Atoi where possible
updated referrer list
updated referrer blacklist
updated dependencies

3.5.4

fixed Windows 11 User-Agent version

3.5.3

optimized query builder
fixed missing session collapsing
updated dependencies

3.5.2

fixed grouping referrers with trailing slashes
updated dependencies

3.5.1

added event filter for entry/exit pages

3.5.0

create new session when referrer or UTM parameter changes
update session on event and set bounced to false (keep everything else)
added list to group referrer domains
added entry/exit page filter for events
added screen width/height to filter (exact match)
added listing events and filtering for event meta key and value
optimized building queries
removed TTL from tables
group OS versions by minor version instead of full length
fixed User-Agent blacklist (must be lowercase)
fixed growing sessions buffer in tracker
updated dependencies

3.4.5

updated User-Agent blacklist
updated OS and browser versions

3.4.4

updated referrer spam list
ignore no rows found error when selecting a single result

3.4.3

added Analyzer.TotalVisitors (sums not grouped by day)
don't return an error when no result is found when expecting a single row
fixed conversion goals test

3.4.2

added logger to Redis session cache
return nil if path pattern is not set for Analyzer.PageConversions
fixed order in which session cancel state gets stored
updated dependencies

3.4.1

added tuple for session state cancellation
removed the requirement to send a page view before an event can be tracked
fixed collapsing sessions for statistics
fixed reading growth when there is no data

3.4.0

switched to CollapsingMergeTree in favor of materialized view (which didn't work)
rewrote all queries

3.3.2

fixed reading active visitors directly from hit table
fixed reading full referrer (for favicon URL)

3.3.1

fixed limit for Analyzer.Visitors

3.3.0

added materialized view for sessions and events
added optional salt per request to HitOptions
optimized queries using materialized views
switched to SipHash for fingerprints (64 bit instead of 256)
removed Filter.IncludeAvgTimeOnPage (now always included)
removed entry_path, page_views, and is_bounce from events

3.2.1

small optimization for ExtendSession
added convenience method Tracker.ExtendSession

3.2.0

added function to manually extend sessions
fixed events counting up page views

3.1.4

fixed timezone for active visitors

3.1.3

fixed limiting filter to today (UTC)
some query optimizations

3.1.2

added limit for maximum duration on page

3.1.1

fixed filtering for entry/exit pages (path)
fixed calculation of entry and exit rates

3.1.0

added interface for session cache
added Redis session cache for distributed systems
added filtering for entry/exit page paths back in
updated dependencies

3.0.2

fixed filtering for exit pages in Analyzer.AvgTimeOnPage

3.0.1

fixed filtering for entry/exit pages
updated dependencies

3.0.0

added rolling forward page view information for deeper analysis of sessions
added filtering for entry and exit page
added filtering for "none"/"unknown" (empty strings) by setting a filter to "null"
added all statistics available for hits to events as well
added optional limit for active visitor statistics
added merging referrers by hostname and detailed statistics by filtering for the referrer name
added city statistics
added method to clear session cache to tracker
optimized data layout
optimized statistics queries
optimized filter (non required fields are now longer selected)
the User-Agent header is now stored in a separate table for later analysis (filtering bots)
removed unused UserAgent and full URL from hit and event table
remove trailing slashes from referrer URLs
updated dependencies

2.6.3

fixed session cache

2.6.2

feed hash through MD5 again to shorten it instead of shortening the SHA256 string directly
updated dependencies

2.6.1

changed hashing algorithm to SHA256

2.6.0

added cache to read sessions
added filter inversion
fixed session query order by
updated dependencies

2.5.2

fixed usage of TrackerConfig.SessionMaxAge

2.5.1

encoded all URL parameters in pirsch.js where it is required
modernized pirsch.js
added reference implementation for pirsch-events.js
added more screen classes
fixed sending UTM parameters using pirsch.js
updated dependencies

2.5.0

added collection of page title
added grouping results by page title additionally to path
optimized pirsch.js
updated referrer blacklist
updated User-Agent blacklist
updated dependencies

2.4.0

added custom event tracking
added order by unique visitors to conversion goals
fixed relative visitors/views and conversion rate if right side is zero
updated User-Agent blacklist
updated dependencies

2.3.0

added MaxTimeOnPageSeconds option to filter
removed date from fingerprint (this is a GDPR-compliant change)
removed timezone from HitOptions (no longer needed)
updated User-Agent blacklist
updated dependencies

2.2.7

fixed schema migration for non-nullable fields

2.2.6

fixed buffering hits in tracker

2.2.5

added page conversion function to analyzer
fixed calculating relative values (they were previously calculated using a GROUP BY clause, which didn't make sense)

2.2.4

added PathPattern to filter and analyzer to query paths for a regex

2.2.3

All sql.Null... fields have been changed to non-nullable fields!

removed nullable fields from schema and model for better ClickHouse performance
improved and fixed User-Agent blacklist
updated dependencies

2.2.2

added missing os and browser version methods to analyzer

2.2.1

Just tagging a new version, no changes.

2.2.0

added entry and exit pages

2.1.0

added timezone support (UTC by default)
updated referrer blacklist
updated dependencies

2.0.1

added SaaSHub to User-Agent blacklist
fixed analyzer return types (some used sql.NullString for normal strings)

2.0.0

Version 2 brings some fundamental changes and is incompatible with version 1.

switched to ClickHouse in favor of Postgres, as it far better fits the problem domain
removed data aggregation and the processor
tenant ID -> client ID
automatic schema migration (using the Go 1.16 embedding feature, x-multi-statement must be set to true)
added UTM query parameter tracking (for campaign tracking)
added option to limit result sets to filter

1.14.4

updated referrer blacklist
updated dependencies

1.14.3

removed GeoDB.Close, as it is no longer required to close the file resource
fixed filtering by path for growth statistics
fixed concurrent access to GeoDB, the database file is now loaded into memory
fixed dividing by 0 when calculating bounce rate growth

1.14.2

optimized Postgres transaction handling
ignore IP addresses as referrer

1.14.1

fixed average time on page calculation for today

1.14.0

This release requires Go version 1.16!

removed deprecated package io/ioutil
updated dependencies

1.13.4

fixed checking all values before calculating relative values by division

1.13.3

added unit (seconds) to PathVisitors.AverageTimeOnPageSeconds

1.13.2

fixed calculating relative page views per day

1.13.1

fixed calculating relative page views

1.13.0

You need to update the schema by running the v1.13.0.sql migration script!

changed the default session max age from two hours to 15 minutes (you can keep two hours by setting the TrackerConfig.SessionMaxAge option)
added page views to statistics (including relative views and growth)
added "today" to growth rates, if it's within period (visitors, sessions, bounces, views)
added average session duration per day
added session duration growth to analyzer
added time spent on page statistics
updated dependencies
updated referrer blacklist
updated Safari User-Agent versions

1.12.2

added absolute number of bounces to page visitor statistics
updated dependencies

1.12.1

added total visitor count, relative visitors, and bounce rate to page visitor statistics
fixed sorting page visitor statistics

1.12.0

You need to update the schema by running the v1.12.0.sql migration script!

database indices optimization
always save language and country codes in lowercase
test refactorings
updated dependencies

1.11.1

added relative visitor count to Analyer.PageVisitors

1.11.0

You need to update the schema by running the v1.11.0.sql migration script!

updated dependencies
updated referrer blacklist
map Android referrers to app name and icon from the Google Play Store
added bounce rate per referrer

1.10.7

fixed RunAtMidnight not firing

1.10.6

fixed filtering referrers if the hostname cannot be parsed

1.10.5

accept non-url referrers (like for utm_source)

1.10.4

added source and utm_source as referrer URL parameters
updated referrer blacklist
updated dependencies

1.10.3

respect the "do not track" header (backend and js)

1.10.2

more logging for GeoDB
updated dependencies

1.10.1

You need to update the schema by running the v1.10.1.sql migration script!

renamed screen classes

1.10.0

You need to update the schema by running the v1.10.0.sql migration script!

improved logging
NewGeoDB now takes a config as its parameter with optional logger for debugging
added screen classes to hits and statistics
screen sizes with 0 width or height are no longer processed and stored

1.9.3

You need to update the schema by running the v1.9.3.sql migration script!

removed path from time of day statistics
fixed visitors being counted multiple times in statistics for paths

1.9.2

fixed timer running immediately in RunAtMidnight
fixed running tracker.Stop more than once
fixed flushing hits in tracker correctly (more reliable tests)

1.9.1

You need to update the schema by running the v1.9.1.sql migration script!

normalized empty paths for referrers
removed sessions from visitor stats by hours as that does not make sense
updated dependencies

1.9.0

You need to update the schema by running the v1.9.0.sql migration script!

hit path is no longer optional and will be set to "/" if empty
improved Chrome vs Safari detection
updated referrer blacklist
ignore hits made by browser versions before 2018
fixed and shorten URL in js integration script
fixed relative growth calculation for bounce rate
fixed null paths

1.8.3

use time.NewTimer instead of time.After for more efficiency and better garbage collection

1.8.2

updated dependencies
updated referrer blacklist

1.8.1

fixed calculating bounce rate growth

1.8.0

group languages (en-us, en-gb, ... all become en) and check for valid ISO codes
filter limits the time range for up until today, as it doesn't make any sense to go beyond that
added growth calculation to Analyzer

1.7.5

fixed filtering visitors by time of day by tenant ID

1.7.4

fixed 0 sum in Analyzer for platform statistics

1.7.3

added json to Analyzer structs, so that they can be added to an API

1.7.2

changed license to GNU AGPLv3
renamed package from emvi/pirsch to pirsch-analytics/pirsch
updated dependencies

1.7.1

fixed filtering referrer spam subdomains

1.7.0

Tracker.Hit does no longer spawn its own goroutine, so you should do that yourself
added visitors statistics for time and day for a range of days to Analyzer
added optional time zone to Analyzer
fixed reading sessions without tenant ID
fixed reading hit days without time zone

1.6.0

You need to update the schema by running the v1.6.0.sql migration script!

added client side tracking (pirsch.js)
added screen size to Hit, Processor and Anlayzer for client side tracking
Tracker.Stop now processes all hits in queue before shutting down (Tracker.Flush does not!)
improved documentation and demos
fixed counting bounces for path
fixed counting platforms

1.5.2

fixed grouping language, referrer, OS, and browser statistics

1.5.1

fixed counting active visitors
fixed counting platforms
fixed reading statistics for today if no history exists

1.5.0

You need to update the schema by running the v1.5.0.sql migration script! WARNING: this release uses a new data structure to store statistics and is incompatible with previous versions. You need to migrate and drop the unused tables using the following statements (migration steps NOT included):

DROP TABLE "visitor_platform";
DROP TABLE "visitors_per_browser";
DROP TABLE "visitors_per_day";
DROP TABLE "visitors_per_hour";
DROP TABLE "visitors_per_language";
DROP TABLE "visitors_per_os";
DROP TABLE "visitors_per_page";
DROP TABLE "visitors_per_referrer";

implemented a new data model
added session tracking
added referrer spam protection
added bounce rates
re-implemented the Analyzer to support the new data model and make it easier to use

1.4.3

You need to update the schema by running the v1.4.3.sql migration script!

fixed saving processed data

1.4.2

fixed null fields in model
fixed counting visitors multiple times (by using a transaction to rollback changes in case the processor fails)
added optional log.Logger to Tracker and PostgresStore
removed all panics and log errors instead

1.4.1

added relative visitor statistics for OS and browser usage

1.4.0

You need to update the schema by running the v1.4.0.sql migration script!

added parsing the User-Agent header to extract the OS, OS version, browser, and browser version
added OS, browser and platform statistics to Processor and Analyzer
Pirsch now uses a single struct for all statistics called Stats
fixed error channel size in Processor
a few smaller refactorings

1.3.3

fixed extracting Referer header
added ref, referer and referrer query parameters for referrers, when Referer header is not present

1.3.2

You need to update the schema by running the v1.3.2.sql migration script!

fixed helper function RunAtMidnight not using UTC for all times
referer -> referrer

1.3.1

added statistics for visitor count per page and referrer

1.3.0

You need to update the schema by running the v1.3.0.sql migration script!

added cancel function to RunAtMidnight
added helper function for tenant IDs
hits for an empty User-Agent will be ignored from now on
added configuration options to Processor
IgnoreHit and HitFromRequest are now exported functions
added options to filter for unwanted referrer, like your own domain
added referrer statistics to Processor and Analyzer
added method to Analyzer to extract active visitor pages
Analyzer results are now sorted by visitors in descending order instead of path and referrer length

1.2.0

You need to update the schema by running the v1.2.0.sql migration script!

the processor now returns an error
the processor now updates existing statistics in case it has been run before, but keep in mind that it drops hits and therefor breaks tracking users that return on the same day. It's recommended to run the processor for days in the past excluding today
(optional) multi-tenancy support to track multiple domains using the same database. In case you don't want to use it, use null as the client_id
improved IP extraction from X-Forwarded-For, Forwarded and X-Real-IP headers

1.1.1

fixed error in case values are too long
fixed language statistics not including today

1.1.0

added a secret salt to prevent generating fingerprints to identify visitors on other websites (man in the middle)
extended bot list

1.0.0

Initial release.

Files

CHANGELOG.md

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