Historical Database

Signal Archive

A searchable repository of all past platform updates and AI visibility signals, organized by month and year.

995 Signals Found
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Apr 23, 2026
19:34:04 UTC
Google Business ProfileOFFICIAL UPDATE

Google Business Profile Enforces Strict Review Policies

Google is systematically enforcing new and existing Google Business Profile policies, targeting manipulative review-gathering tactics and increasing the importance of profile freshness, creating significant operational liability for local enterprises.

Apr 23, 2026
19:15:12 UTC
LinkedInALGORITHM VOLATILITY

LinkedIn Algorithm Shifts to Devalue AI-Generated Content

LinkedIn's new AI-powered algorithm, '360Brew', is reportedly de-prioritizing generic, AI-generated content and rewarding authentic, expert-driven contributions.

Apr 23, 2026
19:02:44 UTC
OpenAIPLATFORM RELEASE

OpenAI Releases GPT-5.5 Frontier Model

OpenAI has released GPT-5.5, its first fully retrained foundational model since GPT-4.5, introducing native omnimodal capabilities and significantly improved reasoning to compete with top-tier rivals.

Apr 23, 2026
18:41:36 UTC
DeepSeekPLATFORM RELEASE

DeepSeek V4 Model Nears Imminent Launch

Multiple reports indicate Chinese AI firm DeepSeek is preparing to launch its V4 model in late April, a trillion-parameter model expected to be highly cost-competitive.

Apr 23, 2026
18:04:02 UTC
AnthropicPLATFORM RELEASE

Anthropic Launches Claude Opus 4.7

Anthropic has released Claude Opus 4.7, its new flagship model, featuring significant improvements in agentic coding, complex reasoning, and visual understanding.

Apr 23, 2026
17:26:52 UTC
Google Business ProfileOFFICIAL UPDATE

Google Toughens Google Business Profile Review Policies

Google has implemented stricter content policies for Google Business Profile reviews, explicitly banning incentivized reviews, on-premise solicitation, and other common manipulation tactics.

Apr 23, 2026
16:52:18 UTC
GoogleALGORITHM VOLATILITY

Google Search Volatility Increases Mid-April

Multiple SEO tracking platforms are reporting an increase in Google SERP fluctuations, indicating a possible unconfirmed algorithmic recalibration is in process.

Apr 23, 2026
15:32:01 UTC
TikTokALGORITHM VOLATILITY

TikTok Prioritizes Follower Engagement for Reach

A fundamental TikTok algorithm change now tests new videos with an account's existing followers first, making follower engagement and high completion rates essential for reaching the 'For You Page'.

Apr 23, 2026
15:07:26 UTC
LinkedInALGORITHM VOLATILITY

LinkedIn Algorithm Devalues AI-Generated Content

LinkedIn's new '360Brew' algorithm is reportedly causing significant reach reduction for generic, AI-generated posts, while prioritizing content that signals deep, authentic expertise and encourages meaningful conversation.

Apr 23, 2026
14:48:00 UTC
DeepSeekPLATFORM RELEASE

DeepSeek Secures Funding Interest at High Valuation

Chinese AI startup DeepSeek is in funding talks with Tencent and Alibaba at a valuation reportedly exceeding $20 billion, while simultaneously releasing open-source AI infrastructure tools.

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