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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 19 of 33.
- SEO11 min read
Meta keywords: what they are and why Google ignores them
Meta keywords are a list of words in a page's head that once told search engines what the page was about. Google has ignored them since 2009. What the tag is, whether any engine still reads it, and what to do with an old one.Updated 26 Sept 2026 - Security10 min read
Microsoft 365 SPF record, DKIM and DMARC: set up Office 365 email authentication
The Microsoft 365 SPF record is v=spf1 include:spf.protection.outlook.com -all. How to publish it, set up DKIM for Office 365 with the two selector CNAMEs, and add DMARC, with the exact records and how to verify them.Updated 26 Sept 2026 - SEO15 min read
Mobile SEO checklist: 24 checks for a mobile-first Google
A mobile SEO checklist for the way Google indexes today: what Googlebot Smartphone must be able to fetch, content parity with desktop, viewport, text and tap targets, interstitials and mobile speed, with a free way to audit each check.Updated 26 Sept 2026 - Best practices14 min read
Mobile-first design: content priority, layout and speed, phone first
Mobile-first design means designing and building the phone version of a page first and adding to it for larger screens. How to decide content priority, lay out for thumbs, and keep the page fast.Updated 26 Sept 2026 - SEO15 min read
Mobile-first indexing: what Google reads on your mobile pages and what to check
Mobile-first indexing means Google crawls, indexes and ranks the version of your page a smartphone gets. What that changes for SEO, and the parity checks that keep mobile pages complete.Updated 26 Sept 2026 - Security10 min read
Multiple SPF records and the 10-lookup limit: how to fix SPF PermError
Multiple SPF records on one domain make SPF fail for every message, and so do more than 10 DNS lookups. How to merge two SPF records into one, count your lookups, and bring the count back under 10.Updated 26 Sept 2026 - SEO10 min read
Next.js SEO: metadata, rendering, sitemaps and canonicals
Next.js SEO is mostly configuration: the framework renders on the server by default, so the work is setting metadata, canonicals, sitemaps and status codes correctly per route. What to set in the App Router and the pitfalls that undo it.Updated 26 Sept 2026 - SEO10 min read
Noindex in robots.txt: why it does not work and what to use instead
A Noindex line in robots.txt does nothing in Google since September 2019. Why it never really worked, how robots.txt and noindex differ, and how to move each old rule to a meta tag or an X-Robots-Tag header.Updated 26 Sept 2026 - SEO8 min read
Nuxt SEO and Vue SEO: rendering, meta tags and sitemaps
Nuxt SEO starts from a good default, because Nuxt renders on the server out of the box; plain Vue renders in the browser. How to keep content in the server HTML, set meta tags with useSeoMeta, mix render modes with routeRules, and add a sitemap and robots.txt.Updated 26 Sept 2026 - Social20 min read
Open Graph tags: how link previews work and how to get them right
Open Graph tags are the og meta tags in your page's head that Facebook, LinkedIn, WhatsApp, Slack and X read to build a link preview. This guide covers every tag, the image that works everywhere, and how to fix a preview that is wrong.Updated 26 Sept 2026 - Security17 min read
Outdated JavaScript libraries: find old jQuery and update it safely
Which jQuery, jQuery UI, Bootstrap, Lodash or Moment.js versions your site runs, which ones have known vulnerabilities, and how to update them safely on WordPress and custom sites.Updated 26 Sept 2026 - Speed27 min read
Page speed: what it is, why it matters and how to make your site faster
Page speed is how quickly a page shows its content and responds to visitors. What the numbers mean, what a good result is, how to test it and the fixes that help most.Updated 26 Sept 2026
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