<!-- Source: github.com/AgriciDaniel/flow | License: CC BY 4.0 | Synced: 2026-04-26 -->
---
title: "Bibliography"
description: "Bibliography"
updated: 2026-04-25
tags:
  - references
---

# Bibliography

This bibliography lists the sources used for public claims. Web sources include retrieval date. PDF sources include hash and page count from the canonical manifest.

## Web Sources

- https://ahrefs.com/blog/ai-overviews-reduce-clicks-update/ | retrieved 2026-04-25 | used for: 58% lower average CTR for position-one content when an AI Overview is present, using December 2025 Ahrefs data
- https://backlinko.com/google-user-behavior | retrieved 2026-04-25 | used for: 42% of local-query searchers click inside the Google Maps Pack
- https://gs.statcounter.com/search-engine-market-share/all/worldwide/2025 | retrieved 2026-04-25 | used for: Bing March 2026 share: 5.13% worldwide; 9.85% United States all-platform search share
- https://support.google.com/business/answer/10515606?hl=en | retrieved 2026-04-25 | used for: 70% more likely to visit; 50% more likely to consider purchasing
- https://www.brightlocal.com/resources/local-seo-statistics/ | retrieved 2026-04-25 | used for: 39%
- https://www.pewresearch.org/short-reads/2025/07/22/google-users-are-less-likely-to-click-on-links-when-an-ai-summary-appears-in-the-results/ | retrieved 2026-04-25 | used for: 8% with AI summary vs 15% without AI summary
- https://www.searchenginejournal.com/state-of-seo/ | retrieved 2026-04-25 | used for: 77.9% worry about AI reducing website clicks
- https://www.sec.gov/Archives/edgar/data/1652044/000165204426000018/goog-20251231.htm | retrieved 2026-04-25 | used for: 73.2% of FY2025 revenue from Google advertising: $294.691B / $402.836B
- https://www.semrush.com/blog/semrush-ai-overviews-study/ | retrieved 2026-04-25 | used for: 33.75% to 31.53%
- https://www.seoclarity.net/research/analysis-of-top-cited-pages-from-chatgpt | retrieved 2026-04-25 | used for: 25% of top 1,000 cited URLs have zero organic visibility in Google

## PDF Sources

- PPC_Trends_2026.pdf | tier A | pages 30 | sha256 `609cbad8786070cf40290a86bdc9c16d5c5530b0460b91eb9f82fc14fe4d8122` | action: extract-and-consider
- SEJ_LeveragingGenerativeAI_F.pdf | tier C | pages 86 | sha256 `26985b1ebdbd1b725b3a78bd4b26bd576c89dab7fdd19c4dfed06f8e697bda4c` | action: extract-and-consider
- SEJ_SEOInTheAgeOfAI_F.pdf | tier C | pages 78 | sha256 `a7142071e46c7461ef263ed5ac7da0e343f83d900e9c3ea74b18e05c8364311f` | action: extract-and-consider
- SEJ_State_of_AI_in_Marketing_F.pdf | tier C | pages 13 | sha256 `c099f7700d58b40f8c55e408c58f65f71ad5bc8981d266d3701363308cebb9af` | action: extract-and-consider
- SEJ_StateofSEO2026.pdf | tier A | pages 31 | sha256 `4cf17f9eb89a911ab17a9faf90f3d0069af8e4acc12a77d86023d0b318577791` | action: extract-and-consider
- SEJ_UX&SEO.pdf | tier C | pages 24 | sha256 `8ac6a00e5cc1763191d852072d0f8e4223598a7c61ce52b84834840ba02850b9` | action: extract-and-consider
- SEO Books/CallRail_X_SEJ_BetterLeadsMoreSales_2025.pdf | tier B | pages 20 | sha256 `1126aa175b8486dbe36bc6dcd83728cc2e93505545d11d6f16568ac90ef2e733` | action: extract-and-consider
- SEO Books/Hobo-Beginner-SEO-2025.pdf | tier B | pages 52 | sha256 `eb16d509a75235adc0bdb3bf6e49d4e57044053a409f657c219dacea10da3355` | action: extract-and-consider
- SEO Books/Hobo-Strategic-AiSEO-2025.pdf | tier B | pages 294 | sha256 `7885d7bd3cbe4e480c018b97640119f94d7f20744bcbfeb24ba9efee34f1442f` | action: extract-and-consider
- SEO Books/SEJ_B2B_Lead_Generation_F.pdf | tier C | pages 61 | sha256 `12bf9f5317fcc91bc94cf720f3a7522422526468c240691392054b408c7b9075` | action: extract-and-consider
- SEO Books/SEJ_PPC_Experts_Tips_2023.pdf | tier D | pages 57 | sha256 `4d3a4db69556115b25f5bda9afc1ccb5affbdfbd419691ec99f998510329fee8` | action: extract-and-consider
- SEO Books/SEJ_SEO_Audit_2023.pdf | tier D | pages 76 | sha256 `965ed0e620cd5624815530d8f7609d1d9ba44968da8189e3589f18224ebeab87` | action: extract-and-consider
- SEO Books/SEJ_TheDarkSideofLinkBuilding.pdf | tier C | pages 59 | sha256 `cfa4c81c58d431923dce81ce2b3afb4c5e6db0fdd3a7aca6117c49b7e1eb1d65` | action: extract-and-consider
- SEO Books/SEJ_The_Future_of_AI_Search_F.pdf | tier C | pages 17 | sha256 `4032124fd73160ae008e7d8598090c46b230641095fd2acb46c97b282c21bd43` | action: extract-and-consider
- SEO Press/10_tips_boost_site_speed-en.pdf | tier E | pages 11 | sha256 `f9e07b750e738362ea624f2485a5c767d8db0c7bae61e9cb0f53d79cd7054c6b` | action: skip-by-default
- SEO Press/ai-seo-copywriting-seopress-en.pdf | tier E | pages 59 | sha256 `89683c171d379c6e6305d34e83da12d4b67a9ff5a31675246cca9d0c2f7f244c` | action: skip-by-default
- SEO Press/ebook-seopress-beginners-guide-to-seo.pdf | tier E | pages 67 | sha256 `cee1d0948ad1f03f90ef35db3dc2948c455f74c847424bab28d0edd1336743db` | action: skip-by-default
- SEO Press/ebook-seopress-guide-local-seo-en.pdf | tier E | pages 37 | sha256 `bd27e4dfb7af6fcd9b68f3a99e6df502ca4f75d896ba0ef0fd05e70e27250199` | action: skip-by-default
- SEO Press/ebook-seopress-guide-schemas-en.pdf | tier E | pages 39 | sha256 `5a39a137e3a563ac73607fc8349d6f0dee7ffb1d5206f5583a28c4fc7213d076` | action: skip-by-default
- SEO Press/emergency-seo-en.pdf | tier E | pages 44 | sha256 `51bfb7eb0fc2cfb5fb4f77bea2493c21b3287a4c3edfb96c3d5c28a06244d39c` | action: skip-by-default
- SEO Press/first-site-seo-en.pdf | tier E | pages 58 | sha256 `0ac67cbc71193da57226f8be8b253d5d84519504cc47cb865424403509dd2399` | action: skip-by-default
- SEO Press/google-search-console-en-compress.pdf | tier E | pages 49 | sha256 `0a768cb025fba68afdea8786c35eec8f4c197d83f1516e926a3906dc99d45d65` | action: skip-by-default
- SEO Press/link_building_with_wp-en.pdf | tier E | pages 41 | sha256 `27b5378f29807705ae86e86908d66074316f9914ef0b69438619bd8250fea3f3` | action: skip-by-default
- SEO Press/more-visibility-with-image-seo-by-seopress.pdf | tier E | pages 51 | sha256 `71a1b9e05fc10a429e72f1aea579ed739664440d2d87cdf78bb30e4acd387f9b` | action: skip-by-default
- SEO Press/optimizing-wordpress-speed-en-2.pdf | tier E | pages 48 | sha256 `1e0d721836414e7e966b8bfa2622282547f8b85f4e54ea7d4cac6e586f1bc9ff` | action: skip-by-default
- SEO Press/seopress-2hours-seo-en.pdf | tier E | pages 54 | sha256 `7c98a0697cbe4e2b11e5eecddb2c5b742274858941e72346ef8814ee27526e6b` | action: skip-by-default
- SEO Press/seopress-creating-multilingual-wordpress-site.pdf | tier E | pages 46 | sha256 `2e09fb5ffead2935410b9d0244c7be89e5a0a9e1f20e4bcc89065648a8cccd99` | action: skip-by-default
- SEO Press/seopress-google-analytics-wordpress-en.pdf | tier E | pages 57 | sha256 `6b0d8c4f86c7f2b7690f561dded9d6826d00fe169084abf6ed088b712b70013c` | action: skip-by-default
- SEO Press/seopress-improve-your-ranking-with-on-page-seo.pdf | tier E | pages 42 | sha256 `f3fd25109604af02539ce656a20b50689710ba7f9298667d26c66cc4bfbc0b45` | action: skip-by-default
- SEO Press/seopress-insights-en.pdf | tier E | pages 39 | sha256 `6aec1450a8611164cf4f31cf98120b5afc220ceb828bdb97f4775f061863bdb5` | action: skip-by-default
- SEO Press/seopress-top-seo-tips-managing-multilingual-site.pdf | tier E | pages 9 | sha256 `82d2561dab03451983116aa261b909347982f1ed07e8ba1316ccb9c6143b1c3c` | action: skip-by-default
- SEO Press/wordpress-keyword-en.pdf | tier E | pages 54 | sha256 `be2ea81c03892ff37fe37b676a6f371b9a43cc00d9eaa5e714d9c3ef1da12ea2` | action: skip-by-default
- SEO-Trends-2026-SEJ.pdf | tier A | pages 34 | sha256 `fb75eda39dc31449e77fae22d1872f7d6338239209be5830fe438dcc6ebd14d4` | action: extract-and-consider
- SEO_Tools_2023_F.pdf | tier D | pages 124 | sha256 `5b4a17b1f2eb5e3cb88c748b7aff84b1d78544620be2a5251ee4c8c133abf744` | action: extract-and-consider

## Source Policy

- Public prose is freshly written from the Local SEO Knowledge Base, 2025-2026 PDFs, and verified web sources.
- Absolute local paths are intentionally omitted.
- Tier E PDFs are background by default unless a narrow operational gap requires them.
- Contradicted or unverifiable statistics are excluded from public guidance.
