Guides
In-depth guides
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.
All guides
19 guides, page 1 of 2.
- Platforms25 min read
Shopify SEO: the complete guide
Shopify writes the canonicals, the sitemap and robots.txt for every store; the rest of Shopify SEO is yours. What is built in, what you control and how to check each part.Updated 1 Nov 2026 - Platforms17 min read
What is a CMS, and how to tell which one a website uses
A CMS (content management system) is the software that lets people publish and edit a website without writing code. What a CMS does, the main types, and how to tell what any website is built with.Updated 4 Oct 2026 - Platforms12 min read
Netlify and Vercel: the headers, caching and redirects to set
What Netlify and Vercel send by default, and the headers file, cache rules, redirects and preview settings that turn their fast defaults into a clean security and caching report.Updated 27 Sept 2026 - Platforms10 min read
Cloudflare robots.txt: what the managed file adds and how to control it
Cloudflare can add its own rules to your robots.txt: AI-crawler blocks and a Content-Signal line. What the managed robots.txt adds, how it merges with your file and how to turn it on or off.Updated 26 Sept 2026 - Platforms9 min read
Shopify robots.txt: how to edit robots.txt.liquid safely
Shopify generates robots.txt for every store and lets you change it through a robots.txt.liquid theme template. What the defaults block, how to add, remove and extend rules safely, and how to undo a mistake.Updated 26 Sept 2026 - Platforms8 min read
Shopify sitemap: where it is, what it lists and how to fix errors
Shopify builds your sitemap automatically at /sitemap.xml. Where to find it, what it includes and leaves out, how to keep a page out of it, how international domains work, and the fixes for the errors Search Console reports.Updated 26 Sept 2026 - Platforms15 min read
Shopify speed optimization: what speeds up a store and what cannot be changed
Shopify speed optimization is mostly apps, images, the theme and its Liquid: Shopify runs the hosting, CDN and checkout for you. The steps in order, how to measure, and what to leave alone.Updated 26 Sept 2026 - Platforms8 min read
What Shopify theme is this? How to identify any store's theme
To see what Shopify theme a store uses, open the browser console on the store and type Shopify.theme: it shows the theme name, its original schema name and its Theme Store ID. How to read each field, how to tell a store runs on Shopify at all, and why the name is sometimes misleading.Updated 26 Sept 2026 - Platforms11 min read
Who hosts this website? How to find a site's host, CDN and registrar
To find who hosts a website, look up the IP address its domain points to, then the network that owns that IP, and read the response headers for a managed host or CDN. How to do each step, and what to do when a CDN hides the real host.Updated 26 Sept 2026 - Platforms11 min read
Apache .htaccess for an A grade: headers, redirects, caching
A tested .htaccess, built section by section, that gives an Apache or LiteSpeed site one-hop redirects, security headers, compression, cache lifetimes and no exposed files.Updated 25 Sept 2026 - Platforms10 min read
Caddy: the two-line https server and the headers to add to it
Caddy gets certificates, redirects to HTTPS and serves HTTP/2 and HTTP/3 with no configuration. Here is what it does by default, what it does not, and the Caddyfile that passes every report check.Updated 25 Sept 2026 - Platforms14 min read
Cloudflare settings for speed and security, on the free plan
The Cloudflare free-plan settings that make a report go green, in order, with what each one changes, the traps (Flexible SSL, cache everything, Rocket Loader) and how to verify from outside.Updated 25 Sept 2026
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