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SEO guides you can act on today

50 plain-English guides to titles, indexing, schema, robots.txt, redirects, AI search and more. Each one comes with a free tool so you can check your own site as you read.

Page SEO 8

Check one page's title, description, headings, images and content.

4 min readSEO audit checklist: 25 checks for any pageA practical SEO audit checklist for any page: indexing, title, description, headings, links, images, schema and speed basics, with a free checker.3 min readTitle tag length: how long should an SEO title be?The ideal title tag length is 50–60 characters, or under 600 pixels on desktop. See why pixels matter and how to check yours.3 min readMeta description length: how long should it be?The best meta description length is about 120–155 characters, under 920 pixels. See what Google shows, when it rewrites and how to check.3 min readHeader tags for SEO: how to use H1, H2 and H3How to use header tags for SEO: one clear H1, H2s for sections, H3s for detail. See common mistakes and check any page's headings.3 min readWhat is alt text, and how do you write it?Alt text is a short description of an image. Learn why it matters for accessibility and image SEO, and how to write it well.3 min readHow long should a blog post be for SEO?There's no ideal word count for SEO. Learn how to size a blog post by search intent and competing pages, and check any page's length.3 min readWhat is keyword density, and does it still matter?Keyword density is how often a word appears compared with all the words on a page. Why there's no ideal percentage, and what to check.3 min readMobile-friendly test: how to check your site todayGoogle retired its Mobile-Friendly Test. Here's how to check if your site is mobile friendly today, and what mobile-first indexing needs.

Site audits 4

Scan a whole website or a list of addresses at once.

3 min readHow to do an SEO audit of your websiteHow to do an SEO audit of your whole website in an afternoon: crawl, indexing, duplicates, content and links, with a free scanner.3 min readDuplicate title tags: how to find and fix themDuplicate title tags confuse Google and split clicks. Learn why duplicate titles and descriptions happen and how to fix them fast.3 min readWhat is an XML sitemap?An XML sitemap lists the pages you want search engines to find. Learn the format, limits, what Google ignores and how to submit it.3 min readHTTP status codes for SEO, explained simplyHTTP status codes tell Google what happened when a page was requested. Learn the codes that matter for SEO, soft 404s and how to check them.

Indexing and redirects 7

Make sure Google can crawl and index the right pages.

3 min readWhat is a canonical tag?A canonical tag tells Google which version of a page to index when content is at several addresses. When to use it, and mistakes.3 min readThe noindex tag: what it does and when to use itThe noindex tag keeps a page out of Google. Learn how meta robots noindex and X-Robots-Tag work, when to use them and how to check.3 min readHreflang tags explained, with examplesHreflang tags tell Google which language or country version to show. Learn the syntax, x-default, return links and common mistakes.3 min readWhat is robots.txt, and how does it work?Robots.txt tells crawlers which parts of your site they may visit. Learn the syntax, how Google reads it and what it can't do.3 min read"Blocked by robots.txt": what it means and how to fix it"Blocked by robots.txt" means a rule stops Google crawling the page. Learn how to find the rule, fix it, and when blocking is fine.3 min readRobots.txt examples: templates you can copyCopy-ready robots.txt examples for WordPress, Shopify, shops, staging sites and AI crawlers, with what each rule does.3 min read301 vs 302 redirects: which one should you use?A 301 redirect is permanent; a 302 is temporary. Learn when to use 301, 302, 307 and 308, how each affects SEO, and how to find chains.

Google results 4

See and improve how your pages look in search results.

3 min readWhat is a SERP? Search results pages explainedA SERP is the page of results a search engine shows. See what appears on Google today, from snippets to AI Overviews, and preview yours.3 min readRich snippets: what they are and how to get themRich snippets add stars, prices and dates to Google results. See which rich results still exist, how to qualify and how to test.3 min readFavicon not showing in Google? Here's how to fix itFavicon not showing in Google? Check the size, format, homepage link and crawl access, then request a recrawl. Free checker included.3 min readHow to test schema markup (and fix the errors)How to test schema markup: find JSON-LD errors, missing required fields and warnings, and when to use Google's Rich Results Test.

Schema generators 8

Create structured data without writing code.

3 min readWhat is schema markup? A beginner's guideSchema markup describes your content to search engines. Learn how JSON-LD works, which types matter for SEO and how to add it.3 min readProduct schema markup: a complete guideProduct schema shows price, stock and ratings in Google results. See the required fields, a JSON-LD example and common mistakes.3 min readLocal business schema: how to add itLocal business schema gives Google your address, hours and phone in a format it trusts. See which fields and subtypes to use.3 min readOrganization schema: tell Google who you areOrganization schema tells Google your company's name, logo, contacts and social profiles. See the key fields and a JSON-LD example.3 min readArticle schema for blog posts and newsArticle schema tells Google your post's headline, author, dates and images. See which type to use, the key fields and a JSON-LD example.3 min readBreadcrumbs for SEO: navigation and schemaBreadcrumbs show visitors and Google where a page sits on your site. Learn how they help SEO and how to add BreadcrumbList schema.3 min readEvent schema: get your events into GoogleEvent schema puts your event's date, venue and tickets into Google's event results. See the required fields and a JSON-LD example.3 min readVideo SEO: how to get videos found in GoogleVideo SEO gets your videos into Google's video results. Learn about watch pages, VideoObject schema, thumbnails and key moments.

AI search 3

Control which AI crawlers can read your site and how.

3 min readHow to block AI crawlers with robots.txtBlock AI crawlers like GPTBot, ClaudeBot and PerplexityBot in robots.txt, and learn which are training bots and which are AI search.3 min readWhat is llms.txt?llms.txt is a proposed file that guides AI tools to a site's best pages. Learn the format, who supports it and whether it helps SEO.3 min readHow to create an llms.txt fileCreate an llms.txt file step by step: write the summary, pick the pages, format the links and upload it. Free generator and template.

AI writing 7

Let AI draft titles, descriptions, FAQs, outlines and alt text. 3 free runs a day.

3 min readHow to write SEO titles that rank and get clicksHow to write SEO titles that earn clicks: keyword first, one reason to click, under 60 characters, plus title formulas to reuse.3 min readHow to write a meta description that gets clicksHow to write a meta description: answer the search, use the keyword, add a reason to click and keep it to about 155 characters.3 min readAlt text examples: good vs badGood and bad alt text examples for products, people, charts, logos, screenshots and decorative images, plus a free AI alt text tool.3 min readFAQ pages for SEO: how to write one that helpsHow to write an FAQ page that helps SEO: find the real questions, write direct answers, and see what FAQ schema can still do.3 min readHow to write an SEO content briefAn SEO content brief tells a writer what to cover so a page can rank: intent, title, outline, questions and length. Free generator.3 min readHow to do keyword research for freeHow to do keyword research for free: start with seed keywords, expand them, sort by intent, check what ranks and pick ones you can win.3 min readSEO writing: 12 tips for content that ranks and reads wellSEO writing tips that work in 2026: answer first, write for one search, use clear headings and plain words, and get quoted by AI search.

Social sharing 2

Control how your links look on Facebook, X, LinkedIn and Slack.

3 min readOpen Graph tags: control how your links look when sharedOpen Graph tags control the title, description and image when your page is shared on Facebook, LinkedIn, X and Slack. Tags and sizes.3 min readMeta tags for SEO: which ones actually matterWhich meta tags matter for SEO in 2026: title, description, robots, viewport, canonical and Open Graph, plus the tags Google ignores.

Your own data 4

Work with your Search Console and Analytics numbers, privately in your browser.

3 min readHow to use Google Search Console to find SEO winsHow to use Google Search Console: read the Performance and Pages reports, find quick wins in positions 4–20 and fix indexing issues.3 min readOrganic CTR by position: what's a good click-through rate?Typical organic click-through rates by Google position, why your CTR differs, what counts as a good CTR, and how to raise it without ranking higher.3 min readWhat are UTM parameters, and how do you use them?UTM parameters tell Google Analytics where visitors came from. Learn the five UTM tags, naming rules and GA4 mistakes to avoid.3 min readTitle tag and meta description examples: good vs badGood and bad title and meta description examples for homepages, products, categories, blog posts and local businesses, and why they work.

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