Brandwave

Fern vs Slate:Which is searched more?

In September 2026, Fern had more branded searches than Slate among developer documentation platforms worldwide. Fern had about 430 branded searches, while Slate had 70. Fern made up 0.85% of all developer documentation platform searches we track, and Slate accounted for 0.14%. These are worldwide searches for English-language branded terms.

Share of searches among developer documentation platforms worldwide in September 2026Is Fern or Slate more popular in search?
Fern0.85%430 searches
vs
Slate0.14%70 searches

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Is Fern or Slate more popular in search?

Compare the platforms teams publish developer docs on. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

Fern and Slate among developer documentation platforms worldwide, by month

Share of searches by month for Fern, Slate. The figures are in the table below the chart.

View monthly share of searches table
MonthDocusaurusMintlifyRead the DocsGitBookReadMeFernSlate
Oct 202548.9%32.7%9.8%6.5%1.3%0.59%0.17%
Nov 202552.1%28.6%10.4%6.9%1.1%0.59%0.22%
Dec 202549.6%33.2%9.9%5.4%1%0.69%0.13%
Jan 202647.8%32%11.7%6.4%1.1%0.82%0.17%
Feb 202642.6%34.9%12.7%6.9%1.6%0.94%0.17%
Mar 202643.9%35.9%10.7%7.2%1.3%0.8%0.19%
Apr 202642.1%42.1%8.4%5.6%1.1%0.67%0.11%
May 202643.9%36%10.7%7.1%1.2%0.94%0.15%
Jun 202647.8%39%6.4%5.2%0.94%0.61%0.11%
Jul 202641.6%41.6%8.3%6.8%1%0.64%0.14%
Aug 202646.6%38.1%7.6%6.2%0.73%0.66%0.1%
Sep 202644%35.9%10.7%7.1%1.2%0.85%0.14%

How has the Fern and Slate comparison changed over the last 12 months?

3 findings

How did search popularity change for developer documentation platforms worldwide in September 2026?

2 changes
  1. Estimated monthly branded searches for Slate worldwide fell 50% over 12 measured months, from 140 to 70 in September 2026.

  2. Estimated monthly branded searches for Fern worldwide fell 12.2% over 12 measured months, from 490 to 430 in September 2026.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using Fern’s and Slate’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Fern

2 branded search terms

  • buildwithfern
  • fern api

Slate

1 branded search term

  • slate docs

How the Brand Demand Index is measured

Other head-to-heads among developer documentation platforms

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