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Why technical SEO audits need context, not just issue counts
An issue count becomes useful when the evidence, affected pages and next step remain visible together.
Read the article →DEEPSPIDER FIELD NOTESSEO19 Sept 2026
Technical SEO
field notes.
Practical articles about crawling, site architecture, content, metadata and audit interpretation.
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Japanese Title and Description Length: Count Pixels, Not Characters
Every Japanese SEO guide gives a different character count. Google cuts titles by width, not by count. What that means for full-width text, and how to write titles that survive the cut.
Read article →Crawl-delay: The robots.txt Line That Slows Bing and Does Nothing for Google
Google ignores Crawl-delay, Yandex stopped reading it in 2018 and Search Console no longer has a crawl rate setting. So who still pays for the line? Bing, AI crawlers and your own SEO tools.
Read article →SEO for Japanese Websites: Five Checks Only Japan Needs
Japanese visitors read the small print. These checks look at what they notice: the page language, No.1 claims, tax-inclusive prices, the external transmission notice and clinic advertising, plus five general checks that matter more on Japanese sites.
Read article →Four SEO Checks We Didn’t Find in Other Audit Tools
Most audits check the same broken links and missing titles. These four checks look between the pages: “best” lists that crown their own author, titles that promise what the page doesn’t show, links that lead to the wrong page and copied location pages.
Read article →Machine Translation and AI Translation for Websites: When Translated Pages Help and When They Become Scaled Content
Google doesn't treat translated pages as spam because a machine helped, but many low-value translations can count as scaled content abuse. Here's what Google says, what happened to Reddit's AI translations, what makes a translation useful and how to set up translated pages correctly.
Read article →Product and Merchant Listing Structured Data in 2026: What Changed and How to Keep It Accurate
Google added product categories, sale dates, an adult content label and a stricter fake-review rule to its product markup documentation in 2026. Here's what to mark up, how to keep the page, the markup and the Merchant Center feed in step, and how to test it.
Read article →AI Content and AI Slop: What Google Actually Says and How to Audit Your Site
Google doesn't demote pages for being AI-generated, but its 2026 documentation sets a clear bar for low-value content at scale. Here's what Google says, what practitioners have seen, how to use AI without producing slop and how to audit your site for it.
Read article →Content Decay: When to Update, Rewrite, Merge, Remove or Leave a Page
A page that slowly loses clicks isn't always decaying, and a new date rarely fixes it. Here's how to confirm the decline, rule out other causes, and decide whether to update, rewrite, merge or leave the page alone.
Read article →Your Crawl Budget Is Now Shared with Every Google Crawler
Google now says it plainly: one crawl capacity limit per hostname, shared by Googlebot, Shopping, ads and image crawlers. Learn what that means, where crawling leaks away, and how to measure it in your own logs.
Read article →Few Internal Links to a Page: When It Matters and How to Fix It
A page with only one internal link pointing to it isn't automatically a problem. Learn how to spot the pages that need a better path, where to add links that help readers, and when to leave things alone.
Read article →Trailing Slash URL Consistency: The Small Detail Worth Checking Before It Becomes a Mess
/page and /page/ can be two different URLs. Learn when a trailing slash mismatch matters, when a redirect is healthy, and how to audit and fix the signals around your preferred URL.
Read article →Click Depth in SEO: How Far Is Too Far for Important Pages?
Click depth shows how many internal links separate a page from your starting point. Learn when a deep page needs attention, why pagination is different, and how DeepSpider.ai evaluates it.
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