a HackerNoon project
Original · left

Dr Jekyll

The respectable doctor of Robert Louis Stevenson's 1886 novella, who turns into the monstrous Mr Hyde.

First in use: c. 1886
Duplicate · right

Jekyll (site generator)

A static site generator written in Ruby that powers GitHub Pages.

First in use: c. 2008

Jekyll / Dr Jekyll / Jekyll (site generator)

Loading data…
Canonical todayMeasuring…
Status—
Duplicate share · 12 mo—
Last crossover—
Colour keyGrey · original meaningGreen · duplicate meaningAmber · contested (40–60%)How colours work

The doctor still haunts the static-site generator behind GitHub Pages.

Which meaning of Jekyll is the original, and which one is the duplicate riding on its name? Dr Jekyll came first (c. 1886). Jekyll (site generator) arrived in 2008. The data below shows which one owns the word now.

Wikipedia pageviews since 2015

Dr JekyllJekyll (site generator)
English Wikipedia pageviews since July 2015 load here.

Duplicate's share of attention

Green line = duplicate's % · above 60 it owns the word · below 40 the original does

Share-of-attention line loads here.

The case for each meaning

Sourced definitions, usage stats and quotes

Original · c. 1886

Dr Jekyll

Loading the Wikipedia definition…

12-mo pageviews—
Year over year—
Peak month—
Duplicate · c. 2008

Jekyll (site generator)

Loading the Wikipedia definition…

12-mo pageviews—
Year over year—
Peak month—

More duplicated terms

Programming & software