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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.
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385 guides, page 9 of 33.
- Structured data13 min read
FAQ schema: example markup and what it still earns in 2026
FAQ schema is FAQPage markup that lists the questions and answers on a page in JSON-LD. Google stopped showing FAQ rich results on 7 May 2026 and removed HowTo in 2023, so here is when to keep it, a valid example, and what to do instead.Updated 27 Sept 2026 - Speed14 min read
First Contentful Paint and Speed Index: what they measure and what moves them
First Contentful Paint (FCP) is the moment the first text or image appears; Speed Index is how quickly the rest of the screen fills in. What each measures, good values, how they relate to LCP, and the fixes that move them.Updated 27 Sept 2026 - Speed14 min read
font-display: swap, preload and self-hosting: web fonts without layout shift
font-display: swap shows text at once in a fallback font instead of hiding it while the web font downloads. Add it, preload two fonts, self-host and subset them, and tune the fallback so nothing jumps.Updated 27 Sept 2026 - SEO13 min read
H1 tag: one per page, and a heading order that makes sense
The H1 tag is the main heading of a page. Give every page one clear H1 and a heading outline without skipped levels, so readers, screen reader users and search engines can follow it, in WordPress, Shopify or HTML.Updated 27 Sept 2026 - Security12 min read
How to check your WordPress version, and what to do when it is out of date
Check your WordPress version in the dashboard, on the server or from outside through the generator tag. What counts as out of date, and a safe routine for updating core, themes, plugins and PHP.Updated 27 Sept 2026 - Speed14 min read
How to choose a web host: compare measured speed, not reviews
How to choose a web host: pick a data centre near your visitors, match the plan type to your site, then compare cached and uncached TTFB of your own site on each candidate and the field data of sites already there.Updated 27 Sept 2026 - Speed12 min read
How to lazy load images (and iframes) without hurting LCP
To lazy load images, add loading="lazy" to every image and iframe below the first screen, never to the hero, and give each one width and height. What to lazy-load, what never to, and how WordPress and plugins handle it.Updated 27 Sept 2026 - Speed15 min read
How to reduce TTFB: fix a slow server response time
To reduce TTFB, remove redirect hops, serve pages from a page cache, then speed up what the cache cannot cover (slow plugins and queries, outbound calls, cron, old PHP) before you pay for a bigger plan.Updated 27 Sept 2026 - SEO11 min read
Hreflang errors: fix missing return links, self-references and conflicts
Hreflang errors mean Google cannot confirm your language set, so it ignores some or all of it. What each error audit tools report means, from missing return links to conflicts, and how to fix it at the source.Updated 27 Sept 2026 - Security12 min read
HttpOnly cookie, Secure and SameSite: the cookie flags explained
An HttpOnly cookie cannot be read by JavaScript, so an injected script cannot steal it. What HttpOnly, Secure and SameSite each block, which cookies need which, and how to set them.Updated 27 Sept 2026 - Speed13 min read
Interaction to Next Paint (INP): what it is and how to improve it
Interaction to Next Paint measures how quickly a page reacts to taps, clicks and key presses; good is 200 ms or less. Learn why it replaced FID, how to find the slow interaction, and how to fix it by breaking up long tasks and trimming scripts.Updated 27 Sept 2026 - Accessibility13 min read
Keyboard navigation: focus order, visible focus, traps and modals
Keyboard navigation means every link, button and field works with Tab, Shift+Tab, Enter, Space, the arrow keys and Escape, in a sensible order and with a visible focus ring. How to test it in ten minutes and fix the six ways pages break it, modals included.Updated 27 Sept 2026
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