Go Access
Real-time open-source web log analyzer that works directly in the terminal.
Open the official app on goaccess.io
This tool is hosted by its maintainers. Click below to open goaccess.io in a new tab — it's their official demo.
Browse developer tools →What's next with Go Access?
Choose how you want to get started.
Use it free
Open the official tool or demo — no account needed.
Self-host it
Run the open-source version on your own infrastructure.
What is Go Access?
GoAccess is an open-source real-time web log analyzer and interactive viewer designed for system administrators and developers who need quick, actionable insights from server logs. It processes HTTP request data to generate statistics on traffic patterns, user behavior, and potential security threats. The tool operates in terminal environments or via a browser-based dashboard, offering flexibility for users who prefer command-line interfaces or visual reporting. GoAccess addresses the challenge of manually sifting through large log files by automating analysis and presenting data in real time. Its lightweight design and support for multiple log formats make it a practical choice for monitoring website performance and detecting anomalies like brute-force attacks or bot activity. The MIT license ensures broad accessibility, while its ability to export reports in JSON, CSV, or HTML caters to diverse analytical needs.
How it works
GoAccess is a terminal-based and browser-compatible tool that analyzes web server logs to provide real-time statistics. It is primarily used by system administrators and developers to monitor website traffic, identify security threats, and optimize server performance. The tool’s real-time capabilities allow users to quickly assess log data without relying on external services or browser-based analytics platforms. Its core purpose is to streamline log analysis by converting raw log entries into structured reports. This makes it easier to track metrics such as page views, referral sources, and user geolocation. The tool’s design prioritizes speed and simplicity, enabling users to perform on-the-fly analysis through SSH connections or local terminals. GoAccess supports a wide range of log formats, including Apache, Nginx, CloudFront, and Elastic Load Balancing, with customizable configuration options. It generates real-time reports with millisecond-level updates, displaying metrics like top referrers, most visited pages, and user agents. The tool also includes security monitoring features to detect suspicious activity, such as repeated failed login attempts or bot traffic.
How to use it
- 1Install GoAccess via package managers (e.g., apt, brew) or compile from source. 2. Configure the log format using the --log-format option, specifying fields like IP address, timestamp, and request URL. 3. Run the tool against your log file using the command line, e.g., goaccess /var/log/apache2/access.log. 4. View real-time statistics in the terminal or navigate the browser-based dashboard for visual reports. Practical tips include using the --real-time-refresh flag for continuous updates, exporting reports with --output to generate HTML files, and leveraging the --date-format and --time-format flags to align with log file conventions.
What it can do
- log analyzer
Use cases
Assumptions and limitations
Assumptions
- source: https://goaccess.io/
- license: MIT — free to use
- privacy: Self-hosted — you control your data
Limitations
- Requires ncurses library for terminal-based interface, limiting compatibility with Windows or macOS without additional setup.
- Lacks advanced analytics features like predictive modeling or integration with cloud-based monitoring tools.
- Real-time updates depend on terminal or browser refresh intervals, which may introduce slight delays.
- Customization of visual reports is limited compared to dedicated BI tools like Tableau or Power BI.
- Does not support real-time alerts or automated responses to detected threats out of the box.
Understanding the result
Real-time open-source web log analyzer that works directly in the terminal.
Tool details
- Clearly flagged when a network request is needed.
- No account, no sign-up, and no tracking of your content.
- Powered by (MIT).
- Built with
- (https://goaccess.io/)
- License
- MIT
- Runs locally
- No — requires a network request
- Verification
- Not yet verified
- Input
- Query
- Output
- Text
Built with https://goaccess.io/. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.
- Built with
- License
- MIT
Open-source project
OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.
References
- / — GitHub Repository
Upstream project · GitHub
- MIT License
Upstream project
Frequently asked
What is GoAccess and what problem does it solve?
GoAccess is an open-source real-time web log analyzer that solves the problem of manually parsing and interpreting large server log files. It automates the extraction of metrics like traffic sources, user behavior, and security threats, providing actionable insights for system administrators and developers. By offering terminal-based and browser-compatible interfaces, it enables quick analysis without requiring external services or complex setups.
How does GoAccess process and analyze log data?
GoAccess processes log data by first parsing entries according to a user-defined format, such as Apache or Nginx logs. It uses C for efficient performance and ncurses for terminal-based visualization, allowing real-time updates. The tool extracts metrics like request counts, status codes, and geolocation data, then aggregates them into structured reports. Users can choose between terminal output, HTML dashboards, or exported CSV/JSON files for further analysis.
How do I generate a real-time HTML report with GoAccess?
To generate an HTML report, run the command: goaccess /path/to/logfile.log --real-time-refresh --output=/path/to/report.html. This creates a self-contained HTML file with live updates. Open the file in a browser to view interactive charts and metrics. For example, analyzing an Apache log file would involve specifying the --log-format parameter to match the log’s structure before generating the report.
How does GoAccess compare to alternatives like AWStats or Google Analytics?
GoAccess differs from AWStats by offering real-time analysis and lightweight performance, while AWStats relies on batch processing. Unlike Google Analytics, which tracks user behavior via JavaScript, GoAccess analyzes server-side logs directly, providing raw data without client-side dependencies. It also supports more log formats (e.g., CloudFront) than many alternatives and avoids the cost and complexity of cloud-based solutions.
How do I troubleshoot GoAccess errors related to log format parsing?
If GoAccess fails to parse logs, verify the --log-format parameter matches the log file’s structure. For example, an Apache log might use "%h %l %u %t "%r" %s %b" as the format. Check for typos or missing fields, then test with the --debug flag to identify parsing issues. Ensure the log file path is correct and permissions allow reading the file.