How Google Detects AI Spam

How Google Detects AI Spam

Google researchers have released a new study outlining a sophisticated approach to identifying large-scale spam campaigns powered by generative artificial intelligence. While the research primarily focuses on AI-generated video content, many of the techniques...
Google: X-Frame-Options Matters for SEO

Google: X-Frame-Options Matters for SEO

Google’s John Mueller has highlighted the importance of the X-Frame-Options security header in the context of technical SEO audits, sparking a wider discussion about whether website security measures should form part of a comprehensive SEO strategy. While most...
Blocked URLs Can Still Be Indexed

Blocked URLs Can Still Be Indexed

John Mueller has responded to a common concern seen in Google Search Console where large numbers of URLs appear as “Indexed, though blocked by robots.txt”, helping clarify what this actually means and whether it requires action. Large volumes of “indexed but blocked”...
LLMs.txt Gets Google’s Approval

LLMs.txt Gets Google’s Approval

Google has revised its guidance on AI-focused SEO, taking a more neutral stance on the use of LLMs.txt files and similar markup formats. While the company still maintains that these files are not required for visibility in Google Search, it now acknowledges that they...
Google Says Markdown Hurts AI SEO

Google Says Markdown Hurts AI SEO

On a recent episode of Search Off the Record, Google’s John Mueller and Martin Splitt challenged the growing claim from some AI SEO discussions that stripped-back, content-only formats such as Markdown are a better way to optimise for AI search. They argued that...
Ahrefs Data: 97% of llms.txt Files Ignored

Ahrefs Data: 97% of llms.txt Files Ignored

Ahrefs data suggests that llms.txt files saw extremely low engagement in May 2026, with 97% of files receiving no requests at all. Despite growing discussion around the format, real-world usage remains minimal across the web. The study analysed logs from around...
Google Introduces Open Knowledge Format

Google Introduces Open Knowledge Format

Google has announced the Open Knowledge Format (OKF), an open specification designed to help structure and exchange the information that AI systems rely on in order to carry out useful tasks. The idea behind the format is to make organisational knowledge easier for...
Google’s Take on SEO Structure

Google’s Take on SEO Structure

Google’s John Mueller has shared his view on how websites should handle category folder structures on multilingual sites, and his comments suggest that SEO concerns around this issue may be overstated in many cases. The discussion began after a question was posted on...
Google Ads Rolls Out 3 Updates

Google Ads Rolls Out 3 Updates

Google Ads has announced three important updates to its bidding and budgeting tools, giving advertisers new ways to grow campaign performance while also improving how budget-restricted campaigns are managed. The changes, revealed by Google Ads Liaison Ginny Marvin,...
Publishers vs Common Crawl Scraping

Publishers vs Common Crawl Scraping

Digital Content Next (DCN), a US trade organisation representing digital publishers, has issued a cease and desist notice to the Common Crawl Foundation, demanding it stop collecting publisher content and remove material already stored in its datasets. The move,...
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