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Search-engine optimization topics

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26 of 114 sitemaps gave every URL the same lastmod. One repeated a millisecond 312 times.

26 of 114 sitemaps gave every URL the same lastmod. One repeated a millisecond 312 times.

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8 min read
Audit on-page SEO for a whole site or sitemap: titles, canonicals, noindex and schema (Python + Node.js)

Audit on-page SEO for a whole site or sitemap: titles, canonicals, noindex and schema (Python + Node.js)

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6 min read
A locksmith site that loads in 7 KB: local SEO without a CMS

A locksmith site that loads in 7 KB: local SEO without a CMS

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3 min read
I checked what 31 big websites tell AI crawlers in robots.txt, and found a bug in my own tool

I checked what 31 big websites tell AI crawlers in robots.txt, and found a bug in my own tool

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4 min read
I connected Claude to my SEO data. Here's the setup, and what to ask it

I connected Claude to my SEO data. Here's the setup, and what to ask it

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4 min read
One-Step SEO: Audit SEO & AI Search Visibility With One Command

One-Step SEO: Audit SEO & AI Search Visibility With One Command

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3 min read
Our 404 page answers 200, and we decided to keep it that way

Our 404 page answers 200, and we decided to keep it that way

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4 min read
I tried to read the shipping and returns pages of 24 big German online shops by machine: 7 wouldn't let me, 1 had shipping markup

I tried to read the shipping and returns pages of 24 big German online shops by machine: 7 wouldn't let me, 1 had shipping markup

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4 min read
Why Mass-Produced AI Articles Don't Rank and What Does

Why Mass-Produced AI Articles Don't Rank and What Does

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5 min read
Crawl Budget Engineering: How Render Trees and Semantic HTML Shape Search Efficiency

Crawl Budget Engineering: How Render Trees and Semantic HTML Shape Search Efficiency

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9 min read
How to check whether AI crawlers can actually read your site

How to check whether AI crawlers can actually read your site

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4 min read
How to Check Your Brand Visibility in ChatGPT and Google AI

How to Check Your Brand Visibility in ChatGPT and Google AI

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6 min read
AI Content Phrases Google Flags: Separating the Myth From the Signals

AI Content Phrases Google Flags: Separating the Myth From the Signals

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5 min read
Як ми перевіряємо статичний сайт Telegram-бота перед публікацією

Як ми перевіряємо статичний сайт Telegram-бота перед публікацією

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1 min read
HTTP 206 and SEO: Inspect the Range Before Calling the HTML Complete

HTTP 206 and SEO: Inspect the Range Before Calling the HTML Complete

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5 min read
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