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Longer walkthroughs for specific setups: real screenshots, code you can paste and the reason behind every step. The short fix page for each check lives under Learn.
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385 guides, page 15 of 33.
- Security10 min read
DMARC reports: how to read aggregate (rua) reports and what to act on
A DMARC report is the daily XML summary that Gmail, Outlook, Yahoo and other receivers send you about every server that used your domain. How to receive them, how to read each part, and which rows need action.Updated 26 Sept 2026 - Speed14 min read
Does web hosting affect SEO? Location, speed and uptime explained
Hosting affects SEO through speed and availability, not through where the server is: Google does not rank a site by its server country, but a slow or unreliable host hurts Core Web Vitals, crawling and visitors.Updated 26 Sept 2026 - SEO13 min read
Duplicate content: what it is, whether it hurts SEO, and how to fix it
Duplicate content is the same or nearly the same content at more than one URL. There is no penalty for normal duplication, but it splits signals and lets Google pick the URL. How to find and consolidate it.Updated 26 Sept 2026 - SEO13 min read
Duplicate without user-selected canonical: what it means and how to fix it
"Duplicate without user-selected canonical" in Search Console means Google sees the page as a copy of another URL, the page names no canonical, and Google indexed the other URL. When to act and how.Updated 26 Sept 2026 - SEO10 min read
Dynamic rendering and prerendering: when they help and when to move on
Dynamic rendering serves crawlers a prerendered HTML snapshot while visitors get the JavaScript app. Google now calls it a workaround, not a long-term solution. How it works, when it is still worth it, the risks, and how build-time prerendering differs.Updated 26 Sept 2026 - SEO16 min read
Ecommerce SEO audit: the technical checks every online shop needs
An ecommerce SEO audit checks what a normal site audit misses in a shop: filter and sort URLs, products in several categories, variants, out-of-stock pages, product schema and category page speed.Updated 26 Sept 2026 - WordPress11 min read
Eliminate render-blocking resources and unused CSS in WordPress
How to eliminate render-blocking resources and remove unused CSS and JavaScript in WordPress: find which plugin or theme each file comes from, stop it loading where it is not needed, then defer, inline and trim the rest with your builder and cache plugin.Updated 26 Sept 2026 - Speed12 min read
ERR_HTTP2_PROTOCOL_ERROR: what it means and how to fix it
ERR_HTTP2_PROTOCOL_ERROR means an HTTP/2 connection between the browser and the site broke mid-response. The quick fixes for visitors, and how site owners find and fix the server-side cause.Updated 26 Sept 2026 - Speed11 min read
ERR_QUIC_PROTOCOL_ERROR: what it means and how to fix it
ERR_QUIC_PROTOCOL_ERROR means the browser's HTTP/3 connection over QUIC failed. The quick fixes for visitors, and how site owners find the network or server cause and keep visitors on a working connection.Updated 26 Sept 2026 - Security12 min read
ERR_SSL_PROTOCOL_ERROR: what it means and how to fix it
ERR_SSL_PROTOCOL_ERROR means the browser and the server could not agree on a secure connection, so the handshake stopped before any page loaded. Here is the quick fix for visitors and the server-side causes for site owners.Updated 26 Sept 2026 - SEO9 min read
Fake Googlebot: how to verify Googlebot IP addresses
A fake Googlebot is a scraper or scanner that sends Googlebot's user agent. How to verify a real Googlebot IP address with reverse DNS or Google's published IP ranges, and what to do with the fakes.Updated 26 Sept 2026 - SEO23 min read
Generative engine optimization: get read and cited by AI search
Generative engine optimization (GEO) is the work of getting your pages read and cited by AI search like ChatGPT, Perplexity and Google AI Overviews. What is documented, what is opinion, what to do.Updated 26 Sept 2026
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