Free SEO tools

42 free tools, no account. Type a URL or keyword and get the answer live, in seconds.

FREE SEO COURSE · CERTIFICATE

Free SEO course with certificate

Six modules, graded quizzes, a final exam, and a certificate with your name on it. No account, no card.

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12 GUIDES

SEO guides

Ranking, step by step. Twelve deep playbooks, 7,000-plus words each, with the exact checks to run as you go.

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26 CASE STUDIES

SEO case studies

Twenty-six documented wins, taken apart: the numbers, the mechanism, and the exact part you can copy this week.

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Keyword Ideas

Type a keyword and get a few hundred related searches from Google autocomplete. Download them as a CSV.

OPEN → 02

SERP Snippet Preview

See how your title and description will look in Google, and whether they get cut off.

OPEN → 03

On-Page Analyzer

Checks a page for the usual on-page problems: title, headings, images, links, canonical, and whether it can be indexed.

OPEN → 04

Meta & Social Preview

Shows every meta and Open Graph tag on a page, plus what the link preview looks like when you share it.

OPEN → 05

Robots.txt Tester

Reads a site's robots.txt and lets you check whether a specific URL is blocked for a specific crawler.

OPEN → 06

Sitemap Validator

Reads an XML sitemap and tells you how many URLs it has, how many have a lastmod date, and what is broken.

OPEN → 07

Redirect Tracer

Follows a URL through every redirect and shows the status code and time for each step.

OPEN → 08

HTTP Header Auditor

Checks a page's HTTP headers for security, caching and compression settings.

OPEN → 09

Broken Link Finder

Finds the links on a page and checks each one. Broken links are listed first.

OPEN → 10

Schema Extractor

Pulls out the JSON-LD structured data on a page and checks it for errors.

OPEN → 11

Hreflang Checker

Checks the hreflang tags on a page for wrong language codes, relative URLs and duplicates.

OPEN → 12

AI Visibility Check

Checks whether ChatGPT, Claude and Perplexity are allowed to read your site, bot by bot.

OPEN → 13

Word Counter

Count words, characters, sentences and reading time in any text. Runs entirely in your browser.

OPEN → 14

Keyword Density Checker

Paste a text and a keyword. Get exact and partial match counts and the density percentage.

OPEN → 15

URL Slug Generator

Turn any headline into a clean, lowercase, hyphenated URL slug with stop words removed.

OPEN → 16

Robots.txt Generator

Build a robots.txt from your choices: sitemap URL, blocked paths and which AI crawlers to allow.

OPEN → 17

XML Sitemap Generator

Paste a list of URLs and get a spec-valid sitemap.xml with lastmod dates, ready to upload.

OPEN → 18

Redirect Generator

Get ready-to-paste 301 rules for .htaccess, nginx, Netlify and Cloudflare from old and new URLs.

OPEN → 19

JSON-LD Schema Generator

Fill in a form and get valid Article, FAQPage or BreadcrumbList JSON-LD for your page head.

OPEN → 20

Open Graph Tag Generator

Generate complete Open Graph and Twitter card tags from a title, description, image and type.

OPEN → 21

Hreflang Tag Generator

Paste URLs with language codes and get a complete hreflang set including x-default.

OPEN → 22

HTTP Status Code Checker

Paste up to 25 URLs and see the status code each one returns, checked in parallel from the edge.

OPEN → 23

URL Encoder / Decoder

Encode or decode any string for URLs. Handles spaces, slashes, query strings and Unicode.

OPEN → 24

Meta Length Checker

Check title and meta description length in characters and rendered pixels against Google’s cutoffs.

OPEN → 25

Canonical Tag Generator

Generate canonical and alternate tags from a preferred URL and its variants.

OPEN → 26

Keyword Combiner

Combine up to three keyword lists into every possible phrase for ad groups and content briefs.

OPEN → 27

Keyword Question Generator

Expand any keyword into how, what, why and comparison questions people actually search.

OPEN → 28

Title Case Converter

Convert headings to title case, sentence case, lowercase or uppercase, instantly.

OPEN → 29

Page Size Checker

Fetch any URL and see its HTML size, compression headers and status in one pass.

OPEN → 30

Image Compressor

Compress and resize images in your browser. Nothing is uploaded anywhere.

OPEN → 31

Favicon Generator

Turn any image into ready-to-use favicon PNGs at 16, 32 and 180 pixels.

OPEN → 32

Nofollow Link Checker

See every link on a page and which ones carry rel=nofollow, sponsored or ugc.

OPEN → 33

Domain Strength Checker

See how much of a domain Common Crawl has indexed: pages crawled, samples and the latest crawl.

OPEN → 34

Domain Age Checker

Look up a domain’s registration date via RDAP, the free official WHOIS replacement.

OPEN → 35

Indexability Checker

Check whether a URL can be indexed: robots meta, X-Robots-Tag, canonical and status.

OPEN → 36

Canonical Checker

Fetch a URL and verify its canonical tag: present, absolute, and resolving to 200.

OPEN → 37

Heading Structure Checker

Fetch a page and audit its heading outline: H1 count, skips, and duplicates.

OPEN → 38

Response Time Checker

Measure how long a URL takes to respond, hop by hop through redirects.

OPEN → 39

JSON-LD Validator

Paste JSON-LD and get instant syntax and required-field checks for common schema types.

OPEN → 40

Keyword Clusterer

Paste a keyword list and group it by shared terms, so one page per cluster instead of one per phrase.

OPEN → 41

Search Intent Classifier

Classify any keyword as informational, navigational, commercial or transactional.

OPEN → 42

Mini Site Crawler

Crawl a small site page by page from our edge: statuses, titles and link counts, capped at 40 pages.

OPEN →

SEO guides

Keyword lists to AI citations: 12 playbooks that show every step, with a free tool for every check. No theory dumps, no filler.

SAAS SEO

Ultimate Guide to SEO for SaaS (2026)

The SaaS SEO playbook for 2026: product-led content, programmatic landing pages, free-tool flywheels, technical fixes and the metrics boards actually track.

7,882 WORDS · 34 MIN KEYWORD RESEARCH

Ultimate Guide to Keyword Research (2026)

A complete keyword research workflow: seed expansion, autocomplete mining, search intent clustering, difficulty estimation and turning keywords into briefs.

7,190 WORDS · 31 MIN ON-PAGE SEO

Ultimate Guide to On-Page SEO (2026)

Every on-page ranking factor that still matters in 2026: titles, headings, internal links, E-E-A-T signals and content structure, with a live audit checklist.

7,587 WORDS · 33 MIN TECHNICAL SEO

Ultimate Guide to Technical SEO (2026)

Technical SEO from crawl to render: indexation, status codes, HTTP headers, page speed, hreflang and log-file thinking, explained step by step.

7,098 WORDS · 31 MIN META TAGS

Ultimate Guide to Meta Tags (2026)

Every meta tag that matters in 2026: title, description, robots, canonical, Open Graph and Twitter cards, with pixel-accurate length rules.

8,583 WORDS · 37 MIN REDIRECTS

Ultimate Guide to Redirects and Broken Links (2026)

How to plan, implement and audit redirects without losing rankings, plus a full broken-link cleanup workflow and the status codes to use.

6,980 WORDS · 30 MIN INTERNATIONAL SEO

Ultimate Guide to Hreflang and International SEO (2026)

Hreflang done right: language and region codes, x-default, reciprocal annotations, sitemap placement and the mistakes that silently break international SEO.

7,487 WORDS · 33 MIN STRUCTURED DATA

Ultimate Guide to Schema Markup (2026)

Schema markup in 2026: the JSON-LD types that unlock rich results, required fields, testing workflow and what changes with AI search.

7,710 WORDS · 34 MIN CRAWLABILITY

Ultimate Guide to XML Sitemaps (2026)

XML sitemaps explained: structure, size limits, lastmod strategy, sitemap indexes, and how Google actually consumes them in 2026.

7,442 WORDS · 32 MIN CRAWLABILITY

Ultimate Guide to Robots.txt (2026)

The complete robots.txt reference: directive semantics, longest-match rules, AI crawler groups, common misconfigurations and a testing workflow.

7,561 WORDS · 33 MIN AI SEO

Ultimate Guide to AI Search Visibility (2026)

How ChatGPT, Perplexity and Claude pick sources in 2026, and the concrete steps to get cited: llms.txt, bot management and citation-worthy content.

8,277 WORDS · 36 MIN SERP FEATURES

Ultimate Guide to SERP Features and Rich Results (2026)

Every SERP feature that matters in 2026: featured snippets, AI Overviews, rich results, people-also-ask, and how to win each one.

8,417 WORDS · 37 MIN

SEO case studies

How Canva, Zapier and 24 others actually won organic traffic: the numbers, the mechanism, the part you can steal.

PROGRAMMATIC SEO

View all 26 case studies →