'Optimot' computer keyboard layout

Sections

  1. Summary
  2. Changes from other layouts
  3. Similarity to other layouts
  4. Scores
  5. Comparison to other well-known layouts
  6. Finger based metrics
  7. English Word-based analysis
  8. Comparison to other layouts (word metrics)
  9. English heat map
  10. Programming Code (all languages) heat map
  11. Most common English bigram pairs
  12. Most common Code bigram pairs
  13. Typing lessons
Canonical nameoptimot.fr.ergodox
Form factorSplit : Ergodox / Kinesis
'Author'Patrick Jamet
Author data may not be correct, we're working on it.
Keys horizontally staggeredNo
Letters on thumb (lower and upper case)0
Avoids AltGr for standard charactersNo
Does not move non-character keys (ANSI/ISO)Yes
Maintains QWERTY 'shift' pairsNo
Maintains QWERTY top row (ANSI/ISO)Yes
Uppercase on same keyYes
Conventional home keys, fingering, Space, Enter, Shifts, AltGrNo
Maintains QWERTY ZXCVNo
Maintains Colemak punctuationNo
Vowel handLeft
Vowels and tricky charactersLeft hand: AEIOUWYaeiouwyRight hand: CHLRchlr

Click image for larger view

optimot.fr.ergodox


Download the Keyboard Layout Analyzer .json file.

Scores

Scores are percentages relative to the best layout for each metric.
MetricPercentage
Finger-based metrics79.30
Word-based metrics93.65
English77.86
Code82.23
Proglish82.12
Words metric for no same-finger93.65
Overall score84.08

All layouts (711)

MetricLowestLowest scoreoptimot.fr.ergodox scoreHighestHighest score
Fingersnoel.en.ansi26.6179.30
vckb2.en.ergodox98.50
Wordsnoel.en.ansi18.2193.65
snth.en.matrix100.00
Averagenoel.en.ansi23.8184.08
vckb2.en.ergodox97.42

Overview compared to all other layouts

optimot.fr.ergodox optimot.fr.ergodox

ANSI layouts

Ergo layouts

All Ergo (133)

MetricLowestLowest scoreoptimot.fr.ergodox scoreHighestHighest score
Fingersqwerty.en.ergodox41.7279.30
vckb2.en.ergodox98.50
Wordsneo2-us.en.ergodox65.2393.65
snth.en.matrix100.00
Averageqwerty.en.ergodox51.2584.08
vckb2.en.ergodox97.42

Overview compared to all other Ergo layouts

optimot.fr.ergodox optimot.fr.ergodox

Ergo layouts

All Ergo, uses AltGr (72)

MetricLowestLowest scoreoptimot.fr.ergodox scoreHighestHighest score
Fingersgupta-whrl.en.matrix50.7779.30
maks-ex.en.ergodox93.45
Wordsneo2-us.en.ergodox65.2393.65
hands-down-vibranium-ts.en.ergodox98.83
Averageplum.en.matrix58.3884.08
maks-ex.en.ergodox95.06

Overview compared to all other Ergo layouts, uses AltGr

optimot.fr.ergodox optimot.fr.ergodox

Ergo layouts, uses AltGr

All Ergo, no letters on thumbs (86)

MetricLowestLowest scoreoptimot.fr.ergodox scoreHighestHighest score
Fingersqwerty.en.ergodox41.7279.30
x1.en.ergodox90.48
Wordsneo2-us.en.ergodox65.2393.65
uciea-vanilla.en.ergodox98.42
Averageqwerty.en.ergodox51.2584.08
x1.en.ergodox92.06

Overview compared to all other Ergo layouts, no letters on thumb

optimot.fr.ergodox optimot.fr.ergodox

Ergo layouts, no letters on thumb

Comparison to other well-known layouts

optimot.fr.ergodox optimot.fr.ergodox

colemak-thumbshift.en.ergodox

mtgap-thumbshift.en.ergodox

dvorak.en.matrix

maltron-us-90.en.ergodox

qwerty.en.ansi

Best Ergo

snth.en.matrix

vckb2.en.ergodox

Worst Ergo

azerty.fr.iso

neo2-us.en.ergodox

Finger based metrics

Finger based metrics, as determined with Keyboard Layout Analyzer, using KLAnext scoring model, and then normalised to ANSI QWERTY = 100.
Lower is better.

English

RankLayoutScoreDistanceSameFingerSameHand
Bestvckb2.en.ergodox41.0041.0531.9359.05
This layoutoptimot.fr.ergodox52.6657.5139.5569.20
Referenceqwerty.en.ansi100.00100.00100.00100.00

Programming code

RankLayoutScoreDistanceSameFingerSameHand
Bestx1_atreus-44-keys.en.ergodox54.5034.5661.2880.83
This layoutoptimot.fr.ergodox66.2853.0569.4686.38
Referenceqwerty.en.ansi100.00100.00100.00100.00

Proglish (an 80:20 English:Code mix)

RankLayoutScoreDistanceSameFingerSameHand
Bestvckb2.en.ergodox47.0841.5043.7464.91
This layoutoptimot.fr.ergodox57.3356.2750.3773.35
Referenceqwerty.en.ansi100.00100.00100.00100.00

Overall Fingers score (4 * English % + Code % + Proglish %) / 6

Higher is better. Score is out of 100.
RankLayoutPercentage
Bestvckb2.en.ergodox98.50
This layoutoptimot.fr.ergodox79.30
Referenceqwerty.en.ansi44.26
MetricLowestLowest scoreoptimot.fr.ergodox scoreHighestHighest score
Overall fingersnoel.en.ansi26.6179.30
vckb2.en.ergodox98.50

English Word-based analysis

Home Keys Analysis

The Home Keys for this layout are shown with red dots in the first image above, giving the following letters:

aAEeIiNnRrsSTtuU

Home key common words

Not part of final score.
Which of the 200 most common words are typeable on the home keys.

Words handledWords not handled
a in is as it i at are an its see use us set the of and to that was for with on be by his he from had not which have or were this but you their they her has all been one will who would more she up can him so out there into we when said them about other than time no if some only also first could two my what over such do may me any like then after very most these new made your people now between should where years many being our before through much way work those did well down back just even because own little make must good under man used both same how still three while last too life against know year each get mr take long part off go day might great never found old gbp right another place came during again without come world men end upon think later say few left number away thought until home here small different system though around since often called within always every need went

Home key words

How many of the 30,000 most common words in the English corpus are typeable on the home keys.
Not included in final score ... layouts with letters on thumb have unfair advantage, and it punishes layouts which opt to keep O and U off the home row.

Home Key lettersEnglish words typeableScoreLongest wordExample
aAEeIiNnRrsSTtuU639272811restaurants

Word count
Word length

No same-finger words

How many of the 30,000 most common words in the English corpus can be typed without using the same finger twice.

Home Key lettersEnglish words typeableScoreLongest wordExample
aAEeIiNnRrsSTtuU21878432019seventeenth-century

Word count
Word length

Word metric comparisons

MetricLowest exampleLowest scoreoptimot.fr.ergodox scoreHighest exampleHighest score
Home keys wordstahan.en.ansi42728
hands-down-platinum-ts.en.ergodox6068
No same-finger wordsnoel.en.ansi8404320
snth.en.matrix4613
Words averagenoel.en.ansi18.21 %93.65 %
snth.en.matrix100.00 %

Comparison to other layouts

optimot.fr.ergodox optimot.fr.ergodox

colemak-thumbshift.en.ergodox

mtgap-thumbshift.en.ergodox

dvorak.en.matrix

maltron-us-90.en.ergodox

qwerty.en.ansi

ANSI layouts

Ergo layouts

Best Ergo

hands-down-platinum-ts.en.ergodox

snth.en.matrix

Worst Ergo

neo2-us.en.ergodox

azerty.fr.iso

Heat map

English heat map

optimot.fr.ergodox

Programming Code (all languages) heat map

optimot.fr.ergodox Note: Colour change points are different in the Code heat map due to the different character frequency distribution.

Ten most common English bigram pairs (excluding space and enter)

( er ht eh in an it no en es at)
optimot.fr.ergodox

Ten most common Code bigram pairs (excluding space and enter)

(er in en et ar el es or st at )
optimot.fr.ergodox

Typing lessons

Download some English words suitable for learning the layout.
Note if any files are empty it's because there are not enough words to create a lesson. This is most noticeable in the bad layouts.

Week 1Homekey words Day 1 Day 2 Day 3 Day 4 Day 5
Week 2No same-finger words Day 1 Day 2 Day 3 Day 4 Day 5
Week 3Common / tricky words Day 1 Day 2 Day 3 Day 4 Day 5
Week 4Pangrams Day 1 Day 2 Day 3 Day 4 Day 5
Week 5So you think you can type? Day 1 Day 2 Day 3 Day 4 Day 5
Week 6Extra practice 1: Common words in text Day 1 Day 2 Day 3 Day 4 Day 5
Week 7Extra practice 2: Lorem ipsum and friends Day 1 Day 2 Day 3 Day 4 Day 5
Week 8Extra practice 3: Underused words Day 1 Day 2 Day 3 Day 4 Day 5
Week 9Extra practice 4: Commonly misspelled words Day 1 Day 2 Day 3 Day 4 Day 5