付録2： ガイドラインの変更ログ

原文

Appendix 2: Guideline Change Log

This guideline is updated regularly to remain relevant over time. Changes from the past two years (October 2019 – October 2021) are summarized below.

Date Published	Summary of Changes
October 2021	Expanded the definition of the YMYL subcategory ‘Groups of people‘ Refreshed guidance on how to research reputation information for websites and content creators Restructured and updated ‘Lowest Page Quality’ section; reorganized and refreshed examples to reflect new structure Simplified the definition of ‘Upsetting-Offensive’ to remove redundancy with Lowest Page Quality section Minor changes throughout (updated screenshots and URLs, wording, and examples for consistency; removed outdated examples; fixed typos; etc.)
October 2020	Added note to clarify that ratings do not directly impact order of search results Emphasized ‘The Role of Examples in these Guidelines‘ as an independent section in the introduction Added clarification that Special Content Result Blocks may have links to landing pages; added illustrative example Updated guidance on how to rate pages with malware warnings and when to assign the Did Not Load flag; added illustrative examples Changed the order of Rating Flags section and Relationship between Page Quality and Needs Met section for clarity Added ‘Rating Dictionary and Encyclopedia Results for Different Queries‘: Emphasizes the importance of understanding the user intent and query for Needs Met rating; added illustrative examples Minor changes throughout (updated examples and explanations for consistency; simplified language regarding raters representing people in their ; fixed typos; etc.)
December 2019	Added ‘Introduction to Search Quality Rating‘: Describes the overall search user experience and the purpose of search quality rating Added definitions and clarifications to explain key search concepts Minor changes throughout (removed obsolete QR code; revised language for consistency across sections; fixed typos; etc.)

Copyright 2021