Source register · Updated July 2026

Traffic Sources Research and Official Platform Documentation

This source register brings together 52 primary sources, studies and platform documents covering SEO, social media, app stores, marketplaces, advertising and email marketing. Every reference connects directly to the relevant Traffic Compendium chapters.

How to evaluate the evidence

Official platform documentation is authoritative for setup, rules and current features. Studies and industry analysis add context about reach, competition and market mechanics. Check the linked version before running a campaign because platforms change interfaces, terms and algorithms.

52 documented references

All 52 sources by topic

Google Search Central, Search Console, Bing, IndexNow and research about visibility in AI answer engines.

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    Google Search Console

    search.google.com

  5. S27
  6. S28
  7. S29
  8. S40

    IndexNow

    indexnow.org

  9. S41

Video, social media and communities

Documentation and analysis covering YouTube, TikTok, Instagram, Reddit, Product Hunt, Pinterest and LinkedIn.

  1. S7
  2. S8
  3. S9
  4. S10
  5. S11
  6. S12

    Reddit Rules

    redditinc.com

  7. S20
  8. S23
  9. S24
  10. S25

    Pinterest Business: Audience

    business.pinterest.com

  11. S26

    LinkedIn: About Us

    news.linkedin.com

App stores, games and publishing

Official information from the Apple App Store, Google Play, Steam, itch.io and Amazon KDP.

  1. S13
  2. S14
  3. S15
  4. S16
  5. S17

    Steamworks: Visibility on Steam

    partner.steamgames.com

  6. S18

    Steamworks: Steam Next Fest

    partner.steamgames.com

  7. S19
  8. S21
  9. S22

Reviews, marketplaces and developer platforms

Sources for software reviews, GitHub, browser extensions, WordPress plugins and digital-product marketplaces.

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  4. S33

    GitHub: About

    github.com

  5. S34
  6. S43

    Gumroad

    gumroad.com

  7. S44

    Gumroad Help Center

    help.gumroad.com

  8. S45

    Payhip

    payhip.com

  9. S46

    Lemon Squeezy

    lemonsqueezy.com

  10. S47

    Ko-fi Shop

    ko-fi.com

  11. S48

    Creative Market

    creativemarket.com

  12. S49
  13. S50
  14. S51
  15. S52

Advertising, email and market research

Benchmarks, campaign guidance and supporting data about search ads, social ads, email and global web traffic.

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  2. S6
  3. S35
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  5. S37
  6. S38

    Meta: Ads Manager

    facebook.com

  7. S39
  8. S42

← Back to all 26 Traffic Compendium chapters