DomainLens

SEO Guides

SEO guides and templates

Practical content for finding, prioritizing, and fixing the SEO issues that affect crawlability, indexation, snippets, and performance.

How-to guides

Guides

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Guides

What Is an SEO Audit and What Should It Include?

A plain-English guide to what an SEO audit is, the four layers it must cover, how to run one step by step, and how to turn the findings into a prioritised fix list.

Guides

How to Check If Google Can Index Your Website

A practical guide to checking indexing: how to tell if a page is in Google, the four signals that control it, and what to do when a page is crawled but not indexed.

Guides

Technical SEO Checklist for Small Business Websites

A no-fluff technical SEO checklist for small sites: what technical SEO covers, the checks that matter most, and how to work through them in priority order.

Guides

On-Page SEO Checklist: Titles, Descriptions, Headings, Images

A practical DomainLens guide to On-Page SEO Checklist: Titles, Descriptions, Headings, Images, focused on title tag, meta description, H1, image alt text.

Guides

Core Web Vitals and SEO: What Actually Matters

What Core Web Vitals measure, how much they really affect rankings, how to measure them with field data, and the mistakes that waste your optimisation effort.

Guides

WordPress SEO Audit Checklist

A practical DomainLens guide to WordPress SEO Audit Checklist, focused on plugins, themes, indexing settings, media.

Guides

Shopify SEO Audit Checklist

A practical DomainLens guide to Shopify SEO Audit Checklist, focused on collections, product schema, faceted URLs, speed.

Guides

Webflow SEO Checklist

A practical DomainLens guide to Webflow SEO Checklist, focused on CMS templates, canonical tags, sitemap, semantic headings.

Guides

Wix SEO Checklist

A practical DomainLens guide to Wix SEO Checklist, focused on SEO basics, indexing, structured data, mobile layout.

Guides

Laravel SEO Checklist

A practical DomainLens guide to Laravel SEO Checklist, focused on server rendering, routes, canonical URLs, sitemaps.

Guides

Vue SPA SEO Checklist

A practical DomainLens guide to Vue SPA SEO Checklist, focused on SSR, rendered HTML, crawlable links, hydration.

Guides

JavaScript SEO: Why Google Might Not See Your Content

A practical DomainLens guide to JavaScript SEO: Why Google Might Not See Your Content, focused on client-side rendering, hydration, rendered HTML, crawlable links.

Guides

What Is llms.txt and Should Your Site Have One?

A practical DomainLens guide to What Is llms.txt and Should Your Site Have One?, focused on AI crawlers, content discovery, file format, robots.txt overlap.

Guides

Crawl Budget: What It Is and When It Actually Matters

A practical DomainLens guide to Crawl Budget: What It Is and When It Actually Matters, focused on crawl rate, crawl demand, log files, large sites.

Guides

Website Migration SEO Checklist: Avoid Losing Rankings

A practical DomainLens guide to Website Migration SEO Checklist: Avoid Losing Rankings, focused on URL mapping, 301 redirects, staging noindex, post-launch monitoring.

Guides

E-commerce SEO Audit Checklist

A practical DomainLens guide to E-commerce SEO Audit Checklist, focused on product schema, faceted navigation, out-of-stock pages, duplicate variants.

Guides

Next.js SEO Checklist

A practical DomainLens guide to Next.js SEO Checklist, focused on SSR vs SSG, metadata API, dynamic routes, sitemap generation.

Guides

Free SEO Checker: How to Audit Any Website Online

What a free SEO checker actually does, what it can and cannot tell you, how to use one properly, and where a free tool stops and a paid platform begins.

Guides

How to Do an SEO Analysis of a Website

A practical DomainLens guide to How to Do an SEO Analysis of a Website, focused on technical signals, on-page content, indexability, competitor benchmarks.

Guides

How to Improve Your Google Rankings and Get More Traffic

A practical DomainLens guide to How to Improve Your Google Rankings and Get More Traffic, focused on search intent, content quality, internal linking, page experience.

Guides

Log File Analysis for SEO: What Googlebot Actually Crawls

A practical DomainLens guide to Log File Analysis for SEO: What Googlebot Actually Crawls, focused on server logs, crawl frequency, status codes, wasted crawl.

Guides

SEO for Beginners: A Step-by-Step Guide to Ranking on Google

New to SEO? This step-by-step beginner’s guide explains how search engines work and shows you how to start improving your Google rankings today.

Guides

Keyword Research: How to Find Keywords That Bring Traffic

Keyword research tells you what your audience is searching for. This guide shows how to find the right keywords and turn them into content that ranks.

Guides

Local SEO: How to Rank in Your City and Get Found Nearby

Local SEO helps nearby customers find you in search and on Google Maps. This guide covers the steps that actually move local rankings.

Guides

Page Speed Optimization: A Complete Guide to a Faster Website

A faster website ranks better and converts more. This guide explains what slows pages down and the practical steps to speed up your website.

Guides

Small Business SEO Checklist: What to Fix First

A practical DomainLens guide to Small Business SEO Checklist: What to Fix First, focused on local visibility, indexability, on-page basics, technical quick wins.

Guides

SEO Audit Report Example: What a Useful Report Should Include

A practical DomainLens guide to SEO Audit Report Example: What a Useful Report Should Include, focused on issue summary, severity, evidence, prioritized fixes.

Guides

How to Prioritize SEO Fixes After an Audit

A practical DomainLens guide to How to Prioritize SEO Fixes After an Audit, focused on impact, effort, indexability, business value.

Guides

Google Search Console SEO Audit: What to Check First

A practical DomainLens guide to Google Search Console SEO Audit: What to Check First, focused on index coverage, queries, crawl errors, page experience.

Guides

SaaS SEO Audit Checklist: Technical and Product-Led Fixes

A practical DomainLens guide to SaaS SEO Audit Checklist: Technical and Product-Led Fixes, focused on feature pages, programmatic pages, indexability, conversion paths.

Guides

Startup SEO Checklist: Build Search Traffic From Day One

A practical DomainLens guide to Startup SEO Checklist: Build Search Traffic From Day One, focused on launch pages, technical basics, content roadmap, measurement.

Guides

International SEO Checklist: Languages, Regions, and Hreflang

A practical DomainLens guide to International SEO Checklist: Languages, Regions, and Hreflang, focused on localized URLs, hreflang, canonical signals, regional targeting.

Guides

Technical SEO for JavaScript Sites: Rendering, Links, and Metadata

A practical DomainLens guide to Technical SEO for JavaScript Sites: Rendering, Links, and Metadata, focused on server rendering, hydration, crawlable links, metadata delivery.

Guides

React SEO Checklist: Make React Pages Crawlable and Indexable

A practical DomainLens guide to React SEO Checklist: Make React Pages Crawlable and Indexable, focused on SSR or prerendering, meta tags, routing, Core Web Vitals.

Guides

WooCommerce SEO Audit Checklist

A practical DomainLens guide to WooCommerce SEO Audit Checklist, focused on product pages, category URLs, schema markup, site speed.

Guides

Squarespace SEO Checklist

A practical DomainLens guide to Squarespace SEO Checklist, focused on page titles, image SEO, URL slugs, mobile layout.

Guides

Magento SEO Audit Checklist

A practical DomainLens guide to Magento SEO Audit Checklist, focused on faceted navigation, product variants, canonical tags, crawl budget.

Guides

Nuxt SEO Checklist

A practical DomainLens guide to Nuxt SEO Checklist, focused on SSR, route rules, metadata, sitemap generation.

Guides

Astro SEO Checklist

A practical DomainLens guide to Astro SEO Checklist, focused on static rendering, content collections, metadata, image optimization.

Guides

Technical SEO Audit Prioritization: Fix What Matters First

An SEO audit can produce dozens of issues. This guide shows how to turn findings into a practical fix order.

Guides

Website Migration SEO Playbook: Redirects, URL Mapping, and Post-Launch Checks

A step-by-step website migration playbook: what a migration risks, how to map URLs and redirects, the launch-day checklist, and how to monitor recovery.

Issue explainers

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Missing Meta Description: Why It Matters and How to Fix It

A plain guide to the meta description: what it is, why it goes missing, whether it affects SEO, and how to write one that earns more clicks.

Learn

Canonical Tag Issues: Common Mistakes and Fixes

A practical guide to canonical tag problems: what the tag does, the rules it must follow, why Google sometimes ignores it, and how to debug a bad canonical.

Learn

Noindex vs Robots.txt: What’s the Difference?

A practical DomainLens guide to Noindex vs Robots.txt: What’s the Difference?, focused on crawl control, index control, follow signals, safe usage.

Learn

Redirect Chains and SEO: Why They Hurt Crawlability

A practical DomainLens guide to Redirect Chains and SEO: Why They Hurt Crawlability, focused on latency, crawl budget, canonical targets, migration cleanup.

Learn

Broken Internal Links: How They Affect SEO

A practical DomainLens guide to Broken Internal Links: How They Affect SEO, focused on 404 pages, internal authority, crawl paths, user trust.

Learn

What Is LCP and How Do You Improve It?

A practical DomainLens guide to What Is LCP and How Do You Improve It?, focused on hero image, server response, critical CSS, preload.

Learn

What Is INP and Why Did It Replace FID?

A practical DomainLens guide to What Is INP and Why Did It Replace FID?, focused on interactions, long tasks, JavaScript, responsiveness.

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What Is CLS and How to Prevent Layout Shifts?

A practical DomainLens guide to What Is CLS and How to Prevent Layout Shifts?, focused on image dimensions, ads, font loading, late content.

Learn

Hreflang Tags: How to Avoid Multilingual SEO Mistakes

A practical DomainLens guide to Hreflang Tags: How to Avoid Multilingual SEO Mistakes, focused on language codes, return tags, x-default, canonical conflicts.

Learn

Structured Data and Rich Results: A Practical Guide

A practical DomainLens guide to Structured Data and Rich Results: A Practical Guide, focused on JSON-LD, schema types, validation errors, rich result eligibility.

Learn

Open Graph and Twitter Cards: How Your Links Look When Shared

A practical DomainLens guide to Open Graph and Twitter Cards: How Your Links Look When Shared, focused on og:title, og:image, twitter:card, preview debugging.

Learn

Mixed Content and HTTPS: Fixing Insecure Resources

A practical DomainLens guide to Mixed Content and HTTPS: Fixing Insecure Resources, focused on HTTP resources, security headers, HSTS, browser warnings.

Learn

Title Tag Best Practices: Length, Keywords, and Duplicates

A practical guide to the title tag: what it controls, how long it should be in pixels, how to write one that earns the click, and how to fix duplicates.

Learn

Image Alt Text: Accessibility and SEO Done Right

A practical guide to image alt text: what it is for, how to write it, when an image is decorative, and how it feeds accessibility and image search.

Learn

What Is TTFB and How to Reduce Server Response Time

A practical DomainLens guide to What Is TTFB and How to Reduce Server Response Time, focused on server response, caching, CDN, database queries.

Learn

XML Sitemap Best Practices

A practical DomainLens guide to XML Sitemap Best Practices, focused on URL inclusion, lastmod, index sitemaps, submission.

Learn

H1 and Heading Structure: How to Organize Page Headings

A practical guide to headings: what the H1 and H2–H6 are for, the rules of a good hierarchy, how H1 differs from the title tag, and how to audit your structure.

Learn

Thin Content: How Much Text Does a Page Really Need?

A practical DomainLens guide to Thin Content: How Much Text Does a Page Really Need?, focused on word count, content depth, doorway pages, search intent.

Learn

HTTP Status Codes for SEO: 200, 301, 302, 404, 410, 5xx

A practical DomainLens guide to HTTP Status Codes for SEO: 200, 301, 302, 404, 410, 5xx, focused on 200 OK, 301 vs 302, 404 vs 410, 5xx errors.

Learn

Internal Linking Strategy: Spreading Authority Across Pages

A practical DomainLens guide to Internal Linking Strategy: Spreading Authority Across Pages, focused on anchor text, link depth, orphan pages, topic clusters.

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Mobile Usability and SEO: Passing the Mobile-Friendly Test

A practical DomainLens guide to Mobile Usability and SEO: Passing the Mobile-Friendly Test, focused on viewport meta, tap targets, readable text, zoom blocking.

Learn

Duplicate Content: How to Find and Resolve It

A practical DomainLens guide to Duplicate Content: How to Find and Resolve It, focused on duplicate titles, URL parameters, canonical tags, www vs non-www.

Learn

Nofollow, Sponsored, UGC: When to Use Link Attributes

A practical DomainLens guide to Nofollow, Sponsored, UGC: When to Use Link Attributes, focused on rel nofollow, rel sponsored, rel ugc, outbound trust.

Learn

Faceted Navigation SEO: Controlling Filtered URL Crawling

A practical DomainLens guide to Faceted Navigation SEO: Controlling Filtered URL Crawling, focused on parameter URLs, crawl budget, canonical tags, noindex rules.

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Pagination SEO: Handling Paginated Content Correctly

A practical DomainLens guide to Pagination SEO: Handling Paginated Content Correctly, focused on page parameters, crawlable links, infinite scroll, canonical handling.

Learn

How to Fix Crawl Errors in Google Search Console

Crawl and indexing errors quietly keep pages out of Google. This guide explains the Search Console reports and how to fix the most common causes.

Learn

HTML Lang Attribute: SEO and Accessibility Best Practices

A practical DomainLens guide to HTML Lang Attribute: SEO and Accessibility Best Practices, focused on language declaration, screen readers, hreflang consistency, localized pages.

Learn

Security Headers: Trust, Browser Safety, and SEO Hygiene

A practical DomainLens guide to Security Headers: Trust, Browser Safety, and SEO Hygiene, focused on HSTS, Content-Security-Policy, X-Content-Type-Options, Referrer-Policy.

Learn

Charset Declaration: Prevent Encoding Problems in SEO Pages

A practical DomainLens guide to Charset Declaration: Prevent Encoding Problems in SEO Pages, focused on UTF-8, early meta charset, HTML parsing, broken characters.

Learn

Lazy Loading Images: SEO and Performance Best Practices

A practical DomainLens guide to Lazy Loading Images: SEO and Performance Best Practices, focused on below-the-fold images, LCP image priority, loading attribute, responsive images.

Learn

Favicons and SEO: Brand Signals in Search, Tabs, and Bookmarks

A practical DomainLens guide to Favicons and SEO: Brand Signals in Search, Tabs, and Bookmarks, focused on favicon formats, search result icons, apple touch icon, brand recognition.

Learn

AMP SEO: When It Matters and How to Validate AMP Pages

A practical DomainLens guide to AMP SEO: When It Matters and How to Validate AMP Pages, focused on amphtml link, valid AMP markup, canonical pairing, mobile search experience.

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Theme Color Meta Tag: Mobile Browser Polish and Brand Consistency

A practical DomainLens guide to Theme Color Meta Tag: Mobile Browser Polish and Brand Consistency, focused on mobile browser UI, brand color, dark mode variants, PWA polish.

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Web App Manifest: PWA Signals, Installability, and SEO Hygiene

A practical DomainLens guide to Web App Manifest: PWA Signals, Installability, and SEO Hygiene, focused on manifest link, app icons, display mode, installability signals.

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Orphan Pages: How to Find and Fix Pages With No Internal Links

A practical DomainLens guide to Orphan Pages: How to Find and Fix Pages With No Internal Links, focused on internal links, crawl discovery, XML sitemap gaps, site architecture.

Learn

Crawlable Links: Why Google May Not Follow Your Links

A practical DomainLens guide to Crawlable Links: Why Google May Not Follow Your Links, focused on anchor tags, JavaScript links, internal discovery, rendered HTML.

Learn

Index Bloat: How Too Many Low-Value Pages Hurt SEO

A practical DomainLens guide to Index Bloat: How Too Many Low-Value Pages Hurt SEO, focused on low-value URLs, crawl budget, noindex rules, canonical cleanup.

Learn

Soft 404 Errors: How to Detect and Fix Them

A practical DomainLens guide to Soft 404 Errors: How to Detect and Fix Them, focused on thin pages, wrong status codes, 404 vs 200, Search Console validation.

Learn

SEO-Friendly URL Structure: Clean URLs That Search Engines Understand

A practical DomainLens guide to SEO-Friendly URL Structure: Clean URLs That Search Engines Understand, focused on readable URLs, parameters, redirects, canonical consistency.

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Image SEO Optimization: Beyond Alt Text

A practical DomainLens guide to Image SEO Optimization: Beyond Alt Text, focused on file names, image compression, responsive images, image discovery.

Learn

Lighthouse Performance: How to Fix Lab Issues That Hurt SEO

A practical guide to fixing Lighthouse performance problems without chasing vanity scores. Learn which lab issues matter most and how to prioritize them.

Learn

First Contentful Paint: What FCP Means and How to Improve It

FCP measures when users first see real content. This guide explains what slows it down and which fixes make a page feel faster sooner.

Learn

Speed Index: What It Means and How to Make Pages Look Faster

Speed Index shows how quickly the visible page fills in. Learn how to improve visual progress instead of only chasing final load time.

Learn

Canonical vs Noindex: Which Signal Should You Use?

Canonical and noindex solve different SEO problems. This guide explains which signal to use when you want consolidation, removal, or cleaner index control.

Learn

Robots.txt Best Practices: Control Crawling Without Blocking SEO

Robots.txt controls crawling, not indexing. Learn how to use it without accidentally hiding important pages from search engines.

Learn

Crawl Budget for E-commerce: Stop Wasting Googlebot on Low-Value URLs

E-commerce sites can create thousands of low-value URLs. This guide shows how to protect crawl budget and keep important pages discoverable.

Learn

Core Web Vitals Field Data: How to Read Real User Performance

Field data shows how real users experience your site. Learn how to read it without overreacting to one Lighthouse run.

Learn

INP Optimization Guide: Fix Interaction to Next Paint for Better Core Web Vitals

A practical guide to Interaction to Next Paint: what it measures, why it is harder to fix than load speed, and how to make real interactions respond faster.

Learn

CLS Layout Shifts Fix Guide: Improve Cumulative Layout Shift and Page Experience

A practical guide to finding and fixing Cumulative Layout Shift: what causes elements to jump, how to reserve space, and how to prove the layout is stable.

Learn

LCP Optimization Guide: Improve Largest Contentful Paint and Page Speed

A deep guide to Largest Contentful Paint: the four phases that make it up, how to identify your LCP element, and the fixes that actually move it.

Learn

Indexability Debugging Guide: Why Google Cannot Index Your Page

A practical workflow for pages that are crawled but not indexed: what the Search Console states mean, the signals that decide indexing, and how to fix each cause.

Learn

JavaScript SEO Debugging Guide: Rendered HTML, Hydration, and Crawlable Links

A debugging guide for React, Vue, Nuxt, and Next.js SEO: how Google renders JavaScript, why content and links go missing, and how to make them crawlable.

Learn

Structured Data Errors Guide: Fix JSON-LD, Schema Markup, and Rich Results

A practical guide to structured data errors: what blocks rich results versus what is only a warning, the common JSON-LD mistakes, and how to validate the fix.

Learn

Hreflang Debugging Guide: Fix Multilingual SEO, Return Tags, and x-default

A practical hreflang debugging guide: the rules every cluster must follow, the common return-tag and language-code errors, and how to validate multilingual SEO.

Learn

Duplicate Content Canonicalization Guide: Fix Canonical Tags, Parameters, and URL Variants

A practical guide to duplicate content and canonicalization: where variant URLs come from, how to choose between canonical, redirect, and noindex, and how to consolidate safely.

Learn

Internal Linking Audit Guide: Fix Orphan Pages, Link Depth, and Anchor Text

A practical internal linking audit: why links decide what ranks, the problems the audit finds, and how to fix orphan pages, depth, anchor text, and topic clusters.

Learn

Faceted Navigation SEO Guide: Filtered URL Crawling, Parameter URLs, and Index Control

A guide to faceted navigation SEO: how filters explode into URLs, which combinations deserve indexing, and how to control crawling and index bloat.

Learn

Security Headers SEO Guide: HTTPS, HSTS, CSP, and Trust Signals

A practical guide to security headers and SEO: how security connects to rankings, what each header does, and how to add them without breaking crawling.

Decision support

Comparisons

Run an audit
Comparisons

Free vs Paid SEO Audit Tools

A practical DomainLens guide to Free vs Paid SEO Audit Tools, focused on coverage, limits, collaboration, when to upgrade.

Comparisons

PageSpeed Insights vs Lighthouse vs CrUX

A practical DomainLens guide to PageSpeed Insights vs Lighthouse vs CrUX, focused on field data, lab data, URL coverage, decision making.

Comparisons

Screaming Frog vs Online SEO Auditors

A practical DomainLens guide to Screaming Frog vs Online SEO Auditors, focused on desktop crawling, quick checks, scale, sharing.

Comparisons

Manual SEO Audit vs Automated SEO Audit

A practical DomainLens guide to Manual SEO Audit vs Automated SEO Audit, focused on judgment, repeatability, speed, prioritization.

Comparisons

Hreflang vs Canonical: Handling Duplicate and Language Variants

A practical DomainLens guide to Hreflang vs Canonical: Handling Duplicate and Language Variants, focused on language variants, duplicate handling, signal conflicts, when to use which.

Comparisons

Google Search Console vs Third-Party SEO Tools

A practical DomainLens guide to Google Search Console vs Third-Party SEO Tools, focused on first-party data, coverage reports, crawl simulation, when to combine.

Comparisons

Best Free SEO Tools: What You Actually Need to Audit a Website

You don’t need an expensive subscription to audit a site. Here are the best free SEO tools, what each one does, and how to combine them effectively.

Comparisons

Technical SEO vs On-Page SEO: What to Fix First

A practical DomainLens guide to Technical SEO vs On-Page SEO: What to Fix First, focused on crawlability, content signals, implementation effort, ranking impact.

Comparisons

Core Web Vitals vs Lighthouse Score: Which Should You Trust?

A practical DomainLens guide to Core Web Vitals vs Lighthouse Score: Which Should You Trust?, focused on field data, lab data, page experience, prioritization.

Comparisons

Google Search Console vs PageSpeed Insights: When to Use Each

A practical DomainLens guide to Google Search Console vs PageSpeed Insights: When to Use Each, focused on index coverage, Core Web Vitals, URL inspection, performance diagnostics.

Reusable workflows

Templates

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Check your site before you start fixing

Run a fresh DomainLens audit and use the report as your priority list.

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