AI search and advertising are changing fast. In the past 30 days, Google, OpenAI, Cloudflare, and other AI platforms all made big moves.
Together, they point to the same trend. Platforms are taking more control over accounts and crawling, while showing up in AI search results now depends on having clean, well-structured data feeds.
TL;DR
- Google Ads enforces strict AI target-bidding: Budget-limited Target CPA and Target ROAS campaigns can no longer overperform. Google now automatically steers performance back toward set targets.
- GEO shifts to real-time RAG & product feeds: AI search synthesis relies heavily on structured vector embeddings, Merchant Center feeds, and entity clarity rather than traditional keyword optimization.
- The AI advertising divergence deepens: OpenAI expands self-serve ChatGPT ads and Google tests AI-generated shopping creative, while Perplexity doubles down on an ad-free, subscription-only enterprise model.
Google’s August 17 bidding overhaul & AI terms of service
Google is putting more of your campaign controls on autopilot. This includes a new bid strategy update and a July 1 rewrite of its Ads Terms of Service.
1. What’s new?
- Stricter bidding targets (starting August 17, 2026): If your campaign is capped by budget and has been beating its target, that ends now. Say your Target CPA is $10, but you’ve actually been paying $5 per conversion. Starting August 17, Google will push that cost back up toward the $10 you set. This affects Target CPA, Target ROAS, and (for Demand Gen) Target CPC, across Search, Shopping, Performance Max, Demand Gen, and Travel. Google won’t touch your budgets or targets on its own, but if you don’t check your account, prices will drift up automatically.
- AI automation is now the default: Google rewrote its Ads Terms of Service for the first time in about eight years. The new terms say Google can automatically create, choose, or edit your ad targets, ad copy, and landing pages by default, not as something you opt into.
2. Strategic takeaway
If you deliberately set a loose Target CPA or Target ROAS to keep costs low, check every budget-capped campaign before (or right after) August 17. Compare your target to your actual performance over the last 60–90 days. Then either update the target to match reality, or switch to Maximize Conversions/Maximize Conversion Value if you’d rather Google keep chasing volume instead of a fixed number.
The terms of service change mean you now need to regularly check AI-generated ads and targets, not just once, but on an ongoing basis. If you’re in a regulated industry like finance or healthcare, review AI-written copy just as carefully as you’d review copy a person wrote.
AEO: From content blogs to feed hygiene
Getting your content into AI search answers keeps shifting away from blog posts and keywords toward clean, structured data. This month also added something new.
Sites can now explicitly choose whether AI is even allowed to use their content.
| Focus area | Traditional SEO | Modern AEO (2026) |
| Main data source | Web pages & backlinks | Structured feeds, product IDs, AI-ready data |
| Winning signal | Ranking #1 in search | Original data, brand mentions, being clearly identifiable in AI answers |
| Access control | Robots.txt (crawl/no-crawl) | Separate permissions for search bots, AI training bots, and AI agent bots |
1. What’s changing?
- Reddit’s citations in ChatGPT Search collapsed almost overnight: Similarweb data shows Reddit went from being cited in about 12% of ChatGPT live web searches in July to just 3% by mid-August, right after a change to how ChatGPT expands and searches queries around August 8. This is a good reminder not to lean too hard on any single source for your AI visibility.
- Google Search Console’s new AI setting: Google is rolling out a setting (first tested in the UK) that lets site owners choose whether their content can be used in AI Overviews and AI Mode answers separately from whether it shows up in regular search. This means a site can stay fully visible in classic Google search while opting out of AI answers, or the other way around.
- Cloudflare’s new default AI-bot rules (effective September 15, 2026): Cloudflare is changing how it treats three types of bots by default. Search crawlers, bots that scrape content to train AI models, and agent bots that fetch your page in real time to answer someone’s question. Any site new to Cloudflare after that date gets the new defaults automatically. If you’re already on Cloudflare, check your settings now. The new defaults can block AI bots without you noticing, which means your brand could quietly disappear from AI answers.
- AI-generated Shopping ad creative: Google is testing AI-generated descriptions on Shopping and Product ads (spotted in screenshots in late July and early August), similar to a test already confirmed on regular text ads. Google hasn’t said this will roll out fully. It’s still just a test.
2. Strategic takeaway
If you sell products online, focus on your product feed. Make sure prices match across channels, and every product has a complete ID (GTIN). Don’t rely on blog content alone. If your product data is unclear or incomplete, AI systems trust it less, and your products get left out of AI shopping recommendations.
The ad-supported vs. ad-free AI landscape
OpenAI and Google keep building out ways to make money from ads, while other platforms are betting on the opposite approach.
1. What’s new?
- ChatGPT Ads goes global: ChatGPT Ads is now live in the UK, Mexico, Brazil, Japan, and South Korea, adding to its existing US/Canada/Australia/New Zealand launch. Advertisers in these countries can now set up and run ads themselves. Separately, OpenAI turned on automatic advanced matching by default for all existing ad pixels on August 17. This feature matches website visitors to ad clicks more accurately, using data from your site’s forms, which was already the default for new pixels, and now applies to older ones too.
- Google keeps testing AI-written Shopping ads: Google continues trying out AI-generated ad copy in Shopping ads. If you haven’t set up brand guardrails yet (like Google’s AI Brief tool, which lets you control tone and messaging), this is a good time to do it.
- Perplexity stays ad-free (no new news here): Perplexity confirmed back in February 2026 that it’s permanently skipping ads in favor of subscriptions and enterprise deals, and hasn’t changed course. Its yearly revenue passed $450M in March 2026 and kept climbing toward $500M by April, with a goal of $656M by year-end. This isn’t new. It’s the background context for the bigger ad-free vs. ad-supported story.
2. Strategic takeaway:
Three different bets are now locked in, not just emerging. Google is adding more AI automation to its existing ad business. OpenAI is building a brand-new ad channel and expanding it to more countries. Perplexity is betting everything on staying ad-free. If you’re spending on paid AI search ads right now, ChatGPT’s expansion into five new countries is the most useful new opportunity this month. Perplexity, on the other hand, is still a place where you earn visibility for free through citations, not ads.
The bigger picture: AI is taking the wheel
There’s one clear thread through everything above. AI platforms are taking more control over your ads and creative, while showing up in AI search answers depends more and more on having clean, trustworthy, well-structured data. Watching your keyword rankings isn’t enough anymore. What matters now is keeping your product feeds accurate and making sure AI systems can clearly understand who you are and what you offer.
This post is subject to Similarweb legal notices and
disclaimers.