MickeyKay / lighthouse-batch

Run Lighthouse analysis over multiple sites in a single command

Lighthouse Batch Reporter

Supports executing Lighthouse analysis over a number of sites in sequence and generating a summary report including all of their scores. Scores are calculated from the average score between Performance, PWA, Accessibility and Best Practice and SEO sections.

Also writes out the full json report for each site and optionally an html report too.

Lighthouse Batch v5+ requires Node v10.13+. This is a requirement from the dependency on Lighthouse v5+.

CLI

Install globally

npm install lighthouse-batch -g

Example usage

lighthouse-batch -s https://www.bbc.com,https://housing.com

This will generate the following files under the /report/lighthouse folder.

www_bbc_com.report.json   // Full results for bbc.com
housing_com.report.json   // Full results from housing.com
summary.json              // Summary of results with scores out of 100

Example summary.json

[
  {
    "url": "https://www.bbc.com",
    "name": "www_bbc_com",
    "file": "www_bbc_com.report.json",
    "score": "0.64",
    "detail": {
      "performance": 0.36,
      "accessibility": 0.87,
      "best-practices": 0.71,
      "seo": 0.96,
      "pwa": 0.31
    }
  },
  {
    "url": "https://housing.com",
    "name": "housing_com",
    "file": "housing_com.report.json",
    "score": "0.71",
    "detail": {
      "performance": 0.42,
      "accessibility": 0.78,
      "best-practices": 0.93,
      "seo": 0.97,
      "pwa": 0.46
    }
  }
]

If you also want html reports include the --html option.

housing_com.report.html   // Full html results for housing.com
www_bbc_com.report.html   // Full html results for bbc.com

There's also the option to read site urls from a text file, one per line.

lighthouse-batch -f sites.txt

sites.txt

https://www.bbc.com
https://housing.com

All options

lighthouse-batch [options]

Options:

    -s, --sites [sites]    a comma delimited list of site urls to analyze with Lighthouse
    -f, --file [path]      an input file with a site url per-line to analyze with Lighthouse
    -p, --params <params>  extra parameters to pass to lighthouse cli for each execution e.g. -p "--perf --quiet"
    -h, --html             generate an html report alongside the json report
    -o, --out [out]        the output folder to place reports, defaults to './report/lighthouse'
    -g, --use-global       use a global lighthouse install instead of the dependency version
    -v, --verbose          enable verbose logging
    --no-report            remove individual json reports for each site
    --print                print the final summary to stdout
    --help                 output usage information

Notes

• Chrome is run with the following flags to support the widest set of execution environments, including docker containers --chrome-flags="--no-sandbox --headless --disable-gpu". You can replace these with your own by passing --chrome-flags as extra parameters. e.g.

  --params "--chrome-flags=\"--no-sandbox --disable-gpu\""