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google/styleguide

Star momentum, maintenance concentration, contributor health, and codebase change — one report built from public repository data.

Open on GitHub
Current stars
39,605
Activity since
2015
Latest activity
Sep 2026

Public star activity

Last 30 days
+13
Last 90 days
+13
Actions / day
10
Public star actions
stars from May 20, 2015 to September 15, 2026, peaking at 42,362.42k STARS11 YR 4 MO42kSEP 2026MAY 2015

42,362 stars on September 15, 2026.

stars by date
Datestars
May 20, 20152
June 8, 2015190
June 18, 2015275
July 8, 2015451
July 27, 2015631
August 6, 2015744
August 26, 2015911
September 14, 20151,143
September 24, 20151,376
October 14, 20151,706
November 3, 20151,936
November 12, 20152,053
December 2, 20152,315
December 22, 20152,547
January 2, 20162,643
January 21, 20162,868
February 10, 20163,069
February 20, 20163,175
March 10, 20163,413
March 30, 20163,631
April 9, 20163,751
April 29, 20164,032
May 18, 20164,253
May 28, 20164,390
June 17, 20164,750
July 6, 20165,108
July 16, 20165,313
August 5, 20165,643
August 24, 20165,937
September 3, 20166,089
September 23, 20166,435
October 13, 20166,702
October 22, 20166,804
November 11, 20167,082
December 1, 20167,443
December 11, 20167,590
December 30, 20167,987
January 19, 20178,233
January 29, 20178,320
February 17, 20178,655
March 9, 20179,016
March 19, 20179,166
April 8, 20179,499
April 27, 20179,801
May 7, 20179,916
May 27, 201710,151
June 15, 201710,387
June 25, 201710,509
July 15, 201710,773
August 4, 201711,047
August 13, 201711,159
September 2, 201711,454
September 22, 201711,741
October 2, 201711,881
October 21, 201712,167
November 10, 201712,462
November 20, 201712,613
December 9, 201712,860
December 29, 201713,124
January 8, 201813,257
January 27, 201813,499
February 16, 201813,760
March 8, 201814,052
March 18, 201814,252
April 7, 201814,627
April 27, 201814,949
May 7, 201815,059
May 26, 201815,354
June 15, 201815,658
June 25, 201815,851
July 15, 201816,197
August 3, 201816,619
August 13, 201816,819
September 2, 201817,185
September 21, 201817,578
October 1, 201817,766
October 21, 201818,098
November 10, 201818,462
November 19, 201818,607
December 9, 201818,885
December 29, 201819,149
January 7, 201919,241
January 27, 201919,502
February 16, 201919,716
February 26, 201919,883
March 17, 201920,155
April 6, 201920,530
April 16, 201920,718
May 5, 201921,144
May 25, 201921,478
June 4, 201921,602
June 24, 201921,885
July 13, 201922,116
July 23, 201922,278
August 12, 201922,531
August 31, 201922,763
September 10, 201922,940
September 30, 201923,231
October 20, 201923,500
October 29, 201923,612
November 18, 201923,839
December 8, 201924,092
December 18, 201924,198
January 6, 202024,394
January 26, 202024,611
February 5, 202024,787
February 24, 202025,063
March 15, 202025,313
March 25, 202025,429
April 13, 202025,637
May 3, 202025,922
May 13, 202026,063
June 2, 202026,281
June 21, 202026,475
July 1, 202026,577
July 21, 202026,826
August 9, 202027,000
August 19, 202027,096
September 9, 202027,255
September 29, 202027,442
October 8, 202027,501
October 28, 202027,646
November 17, 202027,871
November 27, 202028,028
December 16, 202028,298
January 5, 202128,518
January 15, 202128,665
February 3, 202128,889
February 23, 202129,132
March 5, 202129,239
March 26, 202129,417
April 14, 202129,603
April 25, 202129,702
May 18, 202129,879
June 6, 202130,081
June 16, 202130,163
July 6, 202130,343
July 25, 202130,518
August 4, 202130,628
August 24, 202130,835
September 16, 202130,999
September 25, 202131,080
October 17, 202131,219
November 10, 202131,337
November 20, 202131,410
December 9, 202131,594
December 29, 202131,789
January 8, 202231,921
January 27, 202232,149
February 16, 202232,325
February 26, 202232,410
March 18, 202232,573
April 6, 202232,752
April 16, 202232,852
May 6, 202233,049
May 25, 202233,240
June 4, 202233,322
June 24, 202233,514
July 14, 202233,685
July 23, 202233,773
August 12, 202233,986
September 1, 202234,191
September 10, 202234,267
September 30, 202234,425
October 20, 202234,563
October 30, 202234,633
November 18, 202234,826
December 8, 202235,044
December 18, 202235,117
January 6, 202335,282
January 26, 202335,455
February 5, 202335,537
February 25, 202336,749
March 16, 202336,935
March 26, 202337,031
April 15, 202337,184
May 4, 202337,327
May 14, 202337,399
June 3, 202337,548
June 23, 202337,692
July 12, 202337,817
July 22, 202337,885
August 11, 202338,051
August 30, 202338,175
September 9, 202338,246
September 29, 202338,380
October 18, 202338,509
October 28, 202338,587
November 17, 202338,703
December 7, 202338,835
December 16, 202338,894
January 5, 202439,026
January 25, 202439,161
February 4, 202439,233
February 23, 202439,336
March 14, 202439,459
March 24, 202439,515
April 12, 202439,619
May 2, 202439,738
May 12, 202439,801
June 1, 202439,913
June 20, 202440,040
June 30, 202440,097
July 20, 202440,235
August 8, 202440,336
August 18, 202440,397
September 7, 202440,510
September 27, 202440,625
October 6, 202440,661
October 26, 202440,769
November 15, 202440,869
November 25, 202440,926
December 14, 202441,010
January 3, 202541,128
January 14, 202541,175
February 2, 202541,261
February 22, 202541,360
March 4, 202541,413
March 23, 202541,511
April 12, 202541,595
April 22, 202541,649
May 13, 202541,726
June 1, 202541,797
June 12, 202541,820
July 5, 202541,867
July 27, 202541,914
August 6, 202541,934
August 29, 202541,984
September 21, 202542,027
October 2, 202542,049
November 8, 202542,084
December 3, 202542,114
December 13, 202542,131
January 4, 202642,175
January 28, 202642,218
February 10, 202642,237
March 10, 202642,285
April 10, 202642,318
May 4, 202642,338
September 15, 202642,362

The last 90 days run behind its lifetime average, which is ordinary for a mature project.

Observed activity milestones: 100 around Jun 20151k around Sep 201510k around May 2017

The commit history reads google/styleguide a second time

methodology

Fix-labelled changes, file change frequency, ownership concentration and maintenance cadence, each computed from this repository's analyzed commit window. None of them is derived from stars, which is why they are allowed to disagree with the curve above.

Fix-labelled changes
Fix-labelled changes for google/styleguide
File change frequency
File change frequency for google/styleguide
Bus factor
Bus factor for google/styleguide
Maintenance pulse
Maintenance pulse for google/styleguide
Contributors
Contributors for google/styleguide
Language activity
Language activity for google/styleguide
Commit activity
Commit activity for google/styleguide
Recent TODO/FIXME movement
Recent TODO/FIXME movement for google/styleguide

Attention is not adoption.

Stars against usage

No published package was detected for this repository, so there is nothing to lay over star growth.

Earned badges

badge studio

Maintenance, ownership and star-momentum signals, computed from the same commit and star history and embeddable as static images.

Reading badge evidence for google/styleguide.

Notes on google/styleguide

How many stars does google/styleguide have?
GitHub currently reports 39,605 stars for google/styleguide. The chart itself is rebuilt from historical star data, which records star actions and not unstars, so it reads as an attention signal rather than a net star count.
What does recent star activity look like for styleguide?
gitdebt observed about 13 public star actions for google/styleguide over the latest 90 days of archive coverage (about 13 in the latest 30). This is an approximate attention signal, not a net-star count, because unstars are not present. That's below its lifetime average activity pace, which is common for mature projects.
Is styleguide still active?
Public archive data shows about 13 star actions for google/styleguide in the latest 30 days of coverage. For repository activity, use the commit heatmap, commit trend, and contributor charts on this page.
When was styleguide created?
google/styleguide was created on May 20, 2015. The first public star activity observed for google/styleguide is from May 2015.

Read styleguide against a neighbour

comparison builder
Compare with any repository

Put this drawing in your README

markdown for agents

The block below publishes the chart with its source and coverage date stated beside it — the same three facts the title block above shows, as text a reader can check. The prompt underneath hands a coding agent the badges and repo-health charts as well.

README.md · google/styleguide star history
<a href="https://gitdebt.com/google/styleguide?ref=readme">
  <picture>
    <source media="(prefers-color-scheme: dark)" srcset="https://api.gitdebt.com/api/repos/google/styleguide/chart.svg?theme=dark" />
    <img alt="google/styleguide star history" src="https://api.gitdebt.com/api/repos/google/styleguide/chart.svg?theme=light" />
  </picture>
</a>

<sub>Star history source: Historical star data · Covers through September 15, 2026 · Still updating — <a href="https://gitdebt.com/google/styleguide?ref=readme">gitdebt</a></sub>

Light and dark variants, alt text, and one provenance line. Provenance is text in your README, never baked into the image URL, so the chart stays cacheable.

Paste it into Claude Code, Cursor, Codex, or any coding agent with your checkout open. It carries the measured numbers, the exact snippets, and the rules — including replacing an existing star-history widget in place rather than stacking a second chart under it.