SEO
The technical SEO checks you keep needing, as tools and an API. Analyse robots.txt and internal links, audit alt text, contact details and cookies, check hreflang and metadata — the groundwork that makes pages rank. Run one on demand or automate the lot.
Check heading structure
Paste the HTML and see where the outline breaks: a page with two H1s and an H3 right after an H1 gets both problems named.
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Keyword density
See what your copy really emphasizes: in an eight-word text where hosting appears three times, it takes 37.5 % of the words.
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Check the canonical tag
Paste a page's HTML or give its address and see the canonical it declares: in the example, https://example.com/p is found, present but not pointing to the page…
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Validate hreflang
See the hreflang block one page really emits: a page pointing to its Spanish version and to an x-default shows two alternates and a confirmed fallback.
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Validate a sitemap
Catch the addresses in a sitemap that make crawlers distrust it: in a two-entry file, no-es-una-url is listed back as invalid while the valid entry passes.
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Sitemap to JSON
Turn a sitemap into a clean list of addresses: an entry for example.com/a comes back with its lastmod of 2026-07-01, priority 0.8 and weekly change frequency.
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Validate Open Graph
Catch a blank share card before anyone sees it: a page with og:title and og:description but no og:image or og:url is marked incomplete, with the missing tags…
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SEO readability score
See which sentences make a page hard to read: a 16-word, three-sentence text scores 26.9 on reading ease, rated difficult, with its hardest sentence listed…
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Build UTM campaign links
When one person types Newsletter and another types newsletter, one campaign splits into two rows of your report: fill in source, medium and campaign to get a…
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Validate a redirect map
Catch redirect mistakes while the map is still a file: in /a → /b → /c → /d, the route from /a takes three hops and is flagged, ready to point straight at /d.
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Check image alt text coverage
Paste your image list and see what share has useful alt text: in the example, 2 of 5 images pass, so coverage is 40%.
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Anchor Text Diversity Checker
Enter your target keyword and the anchors pointing to one page: for email marketing software, six sample anchors split into 1 exact match, 2 partial, 2 generic…
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Canonical tag conflict checker
Enter the page address and the address in its canonical tag and see at once whether they match: in the example, a product page ending in #details matches…
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Duplicate content checker
Paste two texts and see how much of their wording they share: the two sample product sentences score 46.67%, with 7 of 15 three-word phrases in common, below…
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Check heading structure hierarchy
List your headings in page order and see whether the hierarchy holds: h1, h2, h3, h2, h3 passes, while going from h2 straight to h4 is reported as a missing h3…
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Check hreflang tag consistency and reciprocal links
Find the page that breaks a hreflang group: enter the declarations from each version and get the precise links each one lacks.
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Check image filename SEO
Know before upload whether an image name helps: red-running-shoes-side-view.jpg passes, while untitled.webp is flagged as generic.
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SEO keyword density report
Measure one keyword against your own limit: technical SEO used three times in 23 words fills 26.09 % of the text and is flagged above a 20 % threshold.
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Meta description length checker
Know at once whether a meta description fits: a 143-character draft lands inside the recommended 120 to 160 range.
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Pagination rel prev and next tag checker
Confirm a paginated series links up both ways: three pages with four correctly aimed links pass with zero issues.
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SEO content readability grade
Check whether a page suits its readers: two short sentences of 11 words and 17 syllables score grade 4.79, well under a target of 8, so they pass.
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Robots meta tag checker
Find out what a robots meta tag really says: noindex, follow, max-snippet:120, max-image-preview:large keeps the page out of results, lets crawlers follow links…
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Schema.org type fields lookup
See which properties a page type needs before you write any markup: Product needs name and image, and adds description, sku, brand, offers, aggregateRating and…
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SERP snippet preview
Preview a search result before you publish: a title cut at 60 characters, a URL at 75 and a description at 160, each ending in an ellipsis when it runs over.
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Check URL slug SEO quality
Review a slug before you publish: best-running-shoes-women checked against best running shoes for women scores 100, with all four meaningful terms matched and…
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Title click-worthiness score
See why a headline scores as it does: 10 Proven Ways to Boost Your SEO Today? earns 91, with 30 points for its number, 36 for three power words and 25 for the…
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Title vs meta description overlap checker
Check whether a description echoes its title or adds to it: Affordable Solar Panels for Homes shares four words with its description, an overlap of one third…
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SEO title length checker
Check a title by width, not just characters: A Practical Guide to Writing Better SEO Titles, at 46 characters, takes about 297 of the 580 pixels, leaving 283.
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Compare word count to benchmark
Enter a page's total word count and its content type to see whether it is under, within or over the benchmark: a 1350-word blog post sits inside the 1000 to…
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Recommended hashtag count by platform
Type a network such as Instagram and get its recommended hashtag range, 3 to 5, ready for a publishing rule or checklist.
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Social media character limit checker
Know whether a post fits before it is scheduled: Launch day! 🚀 on X counts 13 characters against a 280 limit, leaving 267.
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Validate UTM campaign naming conventions
Check a campaign name such as summer-sale-q3 against the naming convention your team chose and see which rules pass or fail, so a stray capital or space never…
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Suggest Hashtags from Keywords
Enter keywords such as social media, Content Marketing and SEO tips and get #socialmedia, #socialMedia, #contentmarketing and the rest, each in lowercase and…
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Count internal vs external links
Sort a page's links into internal and external: of five links, three on your own host and two elsewhere give a 0.6 to 0.4 split.
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Engagement rate calculator
Enter the interactions you counted and the follower total, and 450 interactions on 10,000 followers give an engagement rate of 4.5%.
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Generate meta tags
Get a title of about 60 characters and a description of about 155, written from what the page actually says, so the snippet reads as a complete thought instead…
$0.003
Audit a page for SEO
Point it at a page and get its SEO findings ranked by real cost: a broken canonical on a top landing page ranks above a missing alt on a footer icon.
$0.040
Audit internal links
Find the pages your site forgot: a page listed in your sitemap that receives zero internal links is reported as an orphan.
$0.002
Analyze robots.txt
Know exactly what your robots.txt blocks: one leftover Disallow: / from staging can wall off a whole live site.
$0.002
Generate a sitemap
Build a sitemap from the site as it really is: the crawl follows internal links, honours robots.txt and noindex, and stays on your own domain.
$0.002
Generate JSON-LD
Get a page's structured data without writing it by hand: a product page's title, price and availability land in the Product type, required properties filled and…
$0.003
Audit alt text
Give it a list of pages and every image is sorted into missing, empty, decorative or adequate alt text.
$0.066
SEO content brief
Send a topic and its keywords and get a writer-ready skeleton: keywords grouped into sections in a logical order, an h2 or h3 heading for each and its likely…
$0.003
Write click-worthy titles
Give it a page topic and target keyword and get several title tags back: keyword-first, benefit-led, a question and a number-led version, each built to survive…
$0.003
Cluster keywords by intent
Turn a keyword export into a page plan: 'best hiking boots' and 'top hiking boots 2026' share a group because they mean the same.
$0.002
YouTube description
Get the text that decides whether a video is found: a title option, a full description, a tag list and timestamped chapters, so a 40-minute video no longer…
$0.003
Optimize images for SEO
A photo straight off a camera is often three to ten times heavier than the web needs. This tool resizes and re-encodes it so it looks the same, strips unneeded…
$0.002