Fonts

Source Serif

Free to use, from Google Fonts. The name and samples on this page are set in it.

Body text on
27 sites
Headings on
54 sites
Share of all homepages
0.7%
Top Hacker News articles
1.3% this week
In our crawl since
Sep 27, 2026
Earliest archive record
Feb 15, 2016

In use

Page titles from sites that set their text in Source Serif.

Share among the 7570 sites we can trace back to 2016Dashed lines before September 2026 are estimates from web archives. Solid lines are our weekly crawl. The chart follows a fixed set of 7570 sites, not every site in the rankings.
Show as table
PeriodSourceBody textHeadings
2016 Q1Web archive estimate, 1072 sites0.1%0.1%
2016 Q2Web archive estimate, 1810 sites0.0%0.0%
2016 Q3Web archive estimate, 186 sites0.0%0.0%
2016 Q4Web archive estimate, 584 sites0.0%0.0%
2017 Q1Web archive estimate, 492 sites0.0%0.0%
2017 Q2Web archive estimate, 1682 sites0.0%0.0%
2017 Q3Web archive estimate, 629 sites0.0%0.0%
2017 Q4Web archive estimate, 467 sites0.0%0.0%
2018 Q1Web archive estimate, 451 sites0.2%0.2%
2018 Q2Web archive estimate, 1970 sites0.1%0.1%
2018 Q3Web archive estimate, 2233 sites0.0%0.0%
2018 Q4Web archive estimate, 1376 sites0.0%0.0%
2019 Q1Web archive estimate, 2256 sites0.0%0.0%
2019 Q2Web archive estimate, 2857 sites0.0%0.1%
2019 Q3Web archive estimate, 2064 sites0.1%0.1%
2019 Q4Web archive estimate, 2297 sites0.0%0.0%
2020 Q1Web archive estimate, 2273 sites0.1%0.0%
2020 Q2Web archive estimate, 1919 sites0.1%0.1%
2020 Q3Web archive estimate, 1530 sites0.1%0.1%
2020 Q4Web archive estimate, 1473 sites0.1%0.1%
2021 Q1Web archive estimate, 1634 sites0.1%0.1%
2021 Q2Web archive estimate, 1333 sites0.1%0.3%
2021 Q3Web archive estimate, 2057 sites0.1%0.1%
2021 Q4Web archive estimate, 1750 sites0.2%0.2%
2022 Q1Web archive estimate, 2101 sites0.1%0.1%
2022 Q2Web archive estimate, 2374 sites0.2%0.2%
2022 Q3Web archive estimate, 1592 sites0.2%0.2%
2022 Q4Web archive estimate, 1090 sites0.2%0.1%
2023 Q1Web archive estimate, 1734 sites0.3%0.1%
2023 Q2Web archive estimate, 1631 sites0.3%0.3%
2023 Q3Web archive estimate, 2019 sites0.3%0.3%
2023 Q4Web archive estimate, 2074 sites0.4%0.3%
2024 Q1Web archive estimate, 1743 sites0.4%0.3%
2024 Q2Web archive estimate, 1201 sites0.4%0.3%
2024 Q3Web archive estimate, 1764 sites0.2%0.3%
2024 Q4Web archive estimate, 1490 sites0.1%0.2%
2025 Q1Web archive estimate, 1484 sites0.2%0.2%
2025 Q2Web archive estimate, 411 sites0.2%0.2%
2025 Q3Web archive estimate, 2422 sites0.1%0.2%
2025 Q4Web archive estimate, 2463 sites0.1%0.2%
2026 Q1Web archive estimate, 276 sites0.0%0.0%
2026 Q2Web archive estimate, 186 sites0.0%0.0%
2026 Q3Web archive estimate, 83 sites0.0%0.0%
Sep 27, 2026Our crawl, 6,305 sites0.2%0.4%
Oct 4, 2026Our crawl, 6,330 sites0.2%0.4%
Oct 11, 2026Our crawl, 6,302 sites0.2%0.4%
Oct 18, 2026Our crawl, 6,304 sites0.2%0.4%
Oct 25, 2026Our crawl, 6,249 sites0.2%0.4%
Nov 1, 2026Our crawl, 6,272 sites0.2%0.4%

By category

Paired with

How sites serve Source Serif
  • Self-hosted50%
  • Google Fonts41%
  • System fonts6.3%
  • Adobe Fonts3.1%

Switched to it

  1. lingo.dev changed its headings from Space Grotesk to Source Serif

  2. overshoot.ai changed its body text from Geist to Source Serif

  3. overshoot.ai changed its headings from Geist to Source Serif

  4. flotthq.com changed its headings from Inter to Source Serif

  5. matillion.com changed its headings from Inter to Source Serif

  6. runcopycat.com changed its headings from Inter to Source Serif

  7. cmu.edu changed its headings from Open Sans to Source Serif

Switched away

  1. origami-robotics.com changed its headings from Source Serif to JetBrains Mono

  2. runcopycat.com changed its headings from Source Serif to Inter

  3. syntheticsciences.ai changed its body text from Source Serif to Concrete Roman

  4. syntheticsciences.ai changed its headings from Source Serif to Concrete Roman

  5. cmu.edu changed its headings from Source Serif to Open Sans

  6. asterlab.ai changed its headings from Source Serif to Schibsted Grotesk

  7. nodus-compute.ai changed its headings from Source Serif to Inter

  8. tryastraea.com changed its headings from Source Serif to Arial

  9. refresh.dev changed its headings from Source Serif to Inter

Sites using Source Serif

SiteCategoryBodyHeadingsPlatform
20minutes.frpopularSource SerifSource Serif
20minutos.espopularSource SerifSource Serif
askclara.comstartupsInterSource SerifNext.js
asterlab.aistartupsSource SerifSchibsted GroteskNext.js
automattic.comstartupsSource SerifSource SerifWordPress
bitfieldconsulting.comindieSource SerifNunito SansSquarespace
blink.newstartupsGeistSource SerifNext.js
blog.nawaz.orgindieSource SerifSource Serif
blog.regehr.orgindiesystem-uiSource SerifWordPress
brighterway.aistartupsSource SerifInstrument Serif
browseros.comstartupsSource SerifEB Garamond
codecrafters.iostartupsPP Neue MontrealSource SerifNext.js
cova.carestartupsSource SerifSource SerifNext.js
dannyguo.comindieOpen SansSource Serif
effigov.comstartupsInterSource SerifNext.js
expectedparrot.comstartupsPlus Jakarta SansSource Serif
faz.netnewsSource SerifSource SerifNuxt
feanixbio.comstartupsSource SerifSource SerifWebflow
flotthq.comstartupsGeistSource SerifNext.js
fulcrumresearch.aistartupsSource SerifSource Serif
georgia.govgovernmentMontserratSource Serif
goflok.comstartupsInterSource SerifWebflow
greypointindustries.comstartupsLatoSource Serif
gwern.netindieSource SerifSource Serif
hirrolot.github.ioindieSource SerifSource Serif
hudson-labs.comstartupsInterSource SerifNext.js
infer.sostartupsInstrument SansSource Serif
intelligence-factory.comstartupsGeistSource SerifNext.js
invertix.aistartupsInstrument SansSource Serif
iowa.govgovernmentSource SerifWork Sans
iter.caindieSource SerifSource Serif
khoj.devstartupsSource SerifRoboto
koreatimes.co.krnewsPretendardSource SerifNext.js
kuleuven.beuniversitiesSource SansSource Serif
laurence.comstartupsGlacialSource SerifNext.js
lingo.devstartupsSpace GroteskSource Serif
martin.janiczek.czindieSource SerifSource Serif
matillion.comstartupsInterSource Serif
maywoodai.comstartupsSource SansSource SerifNext.js
milenio.comnewsSource SansSource Serif
mochatrade.comstartupsGeist MonoSource SerifNext.js
monumint.comstartupsGeneral SansSource SerifFramer
mundodeportivo.compopularSource SerifSource Serif
neomatter.comstartupsStack Sans TextSource SerifNext.js
opm.govgovernmentPublic SansSource Serif
overshoot.aistartupsSource SerifSource Serif
overstandlabs.comstartupsSource SerifSource Serif
paceline.biostartupsSource SerifArchivo
patentwatch.aistartupsInter TightSource Serif
perspectiveshealth.aistartupsSource SerifGeist