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Technical SEO

Technical SEO

The part of SEO where the answer is in a log file, a header, or a directive somebody added in 2019 and forgot about.

Crawl and indexation at scale, robots.txt at the right layer, what earns an image thumbnail, when a mega menu is worth its link cost, and regex that Search Console will actually accept.

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Technical SEO

Google Image Thumbnails: Best Practice Guide

What drives image thumbnail display in Google Search. Covers max-image-preview, og:image best practices, the multi-image treatment, text result images, and a diagnostic sequence for finding where your page falls short.

22 min read
Technical SEO

Robots.txt Mistakes

Most robots.txt problems aren't from bad intentions. They're from good intentions applied at the wrong layer. Here's what breaks at scale and why it matters more than you think.

5 min read

Tools for this

Robots.txt GeneratorCrawler rules, including the AI crawlers, without the typos.
GSC Regex BuilderRE2-safe regex for Search Console filters.
XML Sitemap AnalyzerCount and inspect URLs across nested sitemaps.
SERP Snippet PreviewerTitles and descriptions at the pixel widths Google actually uses.
Favicon ValidatorCheck the favicon Google will and won't show.
Google Goto URL Resolver (Chrome)Get the real URL back from google.com/goto redirects.

All notes · Technical SEO

12 Sep 2026
Technical SEO
Google /goto redirects: how to get the real URL
Google now wraps results in google.com/goto redirects, hiding the real URL from the status bar and Copy link address. What changed, and how to get it back.
8 min read
11 Apr 2026
Technical SEO
Google Image Thumbnails: Best Practice Guide
What drives image thumbnail display in Google Search. Covers max-image-preview, og:image best practices, the multi-image treatment, text result images, and a diagnostic sequence for finding where your page falls short.
22 min read
20 Mar 2026
Technical SEO
Mega Menus & SEO: A Decision Framework for When They Help and When They Hurt
Link equity dilution, the Reasonable Surfer model, anchor text uniformity, and a practical decision tree for when mega menus are worth the cost.
14 min read
19 Mar 2026
Technical SEO
Crawl Budget Management for Large Websites: The Enterprise Guide
At 10M+ URLs, crawl budget isn't a theoretical risk. It's an active allocation decision. Log files, faceted nav, JS rendering, and the crawl vs. indexation distinction most guides miss.
18 min read
10 Mar 2026
Technical SEO
Robots.txt Mistakes
Most robots.txt problems aren't from bad intentions. They're from good intentions applied at the wrong layer. Here's what breaks at scale and why it matters more than you think.
5 min read
15 Feb 2026
Technical SEO
GSC Regex: Moving Past the Basics
Most SEOs use Google Search Console regex for a few simple filters and leave it at that. Here's how to go further, segmenting by intent, language, and URL structure, without breaking RE2.
6 min read
Every note, all topics →
International SEOHreflang, canonicals, and the conflicts between them on multi-market sites. Structured data & Product schemaProduct, Product Snippet, Merchant Listing, ProductGroup. Which class to use and what each field does. Original researchLarge-sample SERP analysis and features spotted before the documentation caught up.