SEO Tools

DNS Lookup displays available domain records, including address, mail, and nameserver entries. Review your DNS setup and investigate website connection issues.

IP Lookup shows geographic information for an IP address. Review location details, understand database limits, and investigate network addresses online.

SSL Lookup retrieves certificate details for a hostname and port. Review issuer and validity information to investigate HTTPS configuration problems. Check now.

Whois Lookup retrieves domain registration details, dates, registrar, and nameservers. Investigate a domain while understanding registration data limits.

Ping checks whether a website responds to an HTTP request and reports available timing and status details. Investigate website availability from this service.

Website text extractor pulls text from a page response for content review. Inspect headings and copy without reading HTML, while recognizing rendering limits.

TTFB checker provides a server-side timing reading for a URL. Compare repeat checks and understand its measurement limits before diagnosing page speed.

Website page size checker measures the HTML response size. Review page markup weight and compare changes without confusing it with total browser downloads.

Meta tags checker lists property-based metadata from a webpage. Inspect descriptions, robots instructions, and sharing tags before updating page settings.

Website hosting checker looks up the network behind a domain address. Review provider details and understand how proxies can affect hosting information.

HTTP headers lookup displays response header names and values for a URL. Inspect caching, redirects, server information, and security settings online.

HTTP/2 Checker inspects the HTTP version negotiated for a page request. Review protocol support and understand why results may differ from a browser connection.

Google cache checker explains the retired Google cached-page feature and its limitations. Learn what a cache result can mean and how to check indexing instead.

URL redirect checker follows supported redirects and lists each response. Inspect status codes and destinations to investigate loops or unexpected routing.

Reverse IP lookup requests the hostname for an IP address. Inspect reverse DNS results and understand why this does not list every website on a server.

Brotli Checker requests Brotli encoding and inspects the response header. Check whether the page advertises compressed delivery and review its limitations.

Text to HTML ratio checker compares body text with parsed markup. Review content proportions and avoid treating the percentage as a search ranking score.

Noindex checker reviews indexing signals, including metadata, response headers, and robots rules. Investigate restrictions and confirm search status separately.

404 page checker tests a generated missing URL and reports its HTTP status. Find misleading success responses and review how your website handles missing pages.

Robots.txt checker retrieves crawler rules and sitemap declarations from a website. Review listed disallow paths and user agents before changing crawl settings.

Heading structure checker groups webpage headings from H1 to H6. Inspect section labels, identify missing context, and review content organization before edits.

Canonical tag checker finds the canonical link in a page response. Inspect the preferred URL and investigate duplicate-page signals before making changes.

Schema markup checker finds JSON-LD blocks and tests JSON syntax. Review structured data content while separating a syntax pass from search feature eligibility.

Image alt tags checker lists images and their alternative text. Find entries that need review and distinguish useful descriptions from decorative images.

Deprecated HTML tags checker identifies obsolete elements in fetched page markup. Review legacy code and plan supported replacements without changing content.

HSTS checker reads the Strict-Transport-Security header and checks for a max-age. Review HTTPS policy signals without assuming full security validation.

Server signature checker reads the Server response header for a URL. Inspect server information and understand how proxies can affect the reported value.

Favicon checker finds an icon candidate in a webpage response. Review the reported asset URL and confirm that it displays correctly in your browser tab.

Safe URL checker checks a URL against the threat lookup service. Review the result as one signal and avoid treating an unflagged link as a safety guarantee.

Lazy loading images checker groups HTML images by their loading attribute. Review native lazy loading coverage while checking visible images separately.

Title tag checker extracts the page title and its character count. Review title wording and identify missing or unexpected values before editing content.

Meta description checker extracts the description and character count. Review snippet copy, find missing wording, and compare it with the page content.

Language attribute checker finds the HTML language declaration on a web page. Review the lang value and identify missing or unexpected language settings.

Meta refresh checker detects refresh declarations in page HTML. Inspect their content and investigate timed reloads or redirects on a specific website URL.

DOM size checker counts HTML elements in a fetched page. Review document complexity and compare page templates before investigating rendering performance.

Meta viewport checker reads the viewport declaration from a web page. Check the reported content before reviewing mobile layouts and responsive page behavior.

Meta charset checker finds a page HTML charset declaration. Inspect the encoding value when investigating text display problems or template differences.

Server compression checker inspects the Content-Encoding response header. Check whether a URL reports compression before investigating transfer efficiency.

Doctype checker detects the document type declaration in fetched HTML. Review whether a page reports a doctype before investigating markup and rendering issues.

Social links checker finds supported social platform links in page HTML. Review the listed destinations and inspect whether profile links are consistent.

Word count checker measures words in a fetched page body. Compare content coverage across pages while accounting for navigation, footers, and template text.

Keyword density checker lists frequent words and percentages from page text. Review repetition and vocabulary without treating density as a ranking target.

Plaintext email checker finds email address patterns in page source. Review exposed contact details and investigate addresses that should no longer appear.

Inline CSS checker lists style attributes found in page HTML. Review element-level styling and identify candidates for a more maintainable stylesheet structure.

Image format checker lists image URLs and their file extensions. Review page image references while recognizing that extension names may hide actual formats.

SEO friendly URL checker inspects URL paths and query parameters. Identify uppercase letters, underscores, and special characters before reviewing URL rules.

Unsafe forms checker finds explicit HTTP form actions on HTTPS pages. Review the listed destinations before checking forms and their security controls.

Unsafe external links checker flags off-site links without noopener or noreferrer in fetched HTML. Inspect the list and review each link in its browser context.

JavaScript defer checker lists script loading attributes from page HTML. Review defer and async values before testing script order and rendering behavior.

HTTP requests checker counts resource references in page HTML by type. Review image, stylesheet, script, and media totals before investigating network use.

Internal links checker lists same-host links found in page HTML. Review anchor text and destinations to investigate navigation and related-content connections.

External links checker lists off-site destinations found in HTML. Review outgoing references and anchor text before checking their relevance and availability.

Content security policy checker reads the CSP response header for a URL. Review the policy text before assessing its directives and application behavior.

SPF record checker retrieves domain SPF records and reports supported syntax issues. Review mail authorization before investigating email delivery problems.

Referrer policy checker reads the Referrer-Policy response header. Review its value before investigating how pages disclose referral information in requests.

Sitemap checker parses a sitemap URL and lists page addresses. Review sitemap coverage and nested indexes before checking the listed pages individually.

Mixed content checker flags HTTP references found on HTTPS pages. Review resources, links, and form actions before testing which ones affect browser loading.

Google search preview builds a sample result from your page title and description. Review fetched metadata and wording before refining your search presentation.

Bing search preview displays a sample listing using page metadata. Review the fetched title, address, and description together before updating your page copy.

Yandex search preview renders a sample listing from page metadata. Check title and description clarity while reviewing a page before or after publication.

Yahoo search preview shows a sample result built from page metadata. Review your title and description for clear page identification and useful visitor context.

OpenGraph checker reads page metadata and shows a sharing-style preview. Review the image, page title, and description before checking social link cards.

HTML minifier reduces HTML source and reports character counts. Compare the generated output with your original markup before testing it in a safe environment.

CSS minifier compacts pasted stylesheet source and compares character counts. Review the final CSS before testing layout, responsive rules, and visual behavior.

JS minifier compacts pasted JavaScript and reports source character counts. Inspect the final result and test application behavior before publishing the script.