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https://seositecheckup.com/tools/meta-refresh-test
Meta Refresh Test | SEO Site Checkup
Detect meta refresh tags on your page that hurt accessibility and weaken redirect signals, with fix steps for replacing them with proper 301 server redirects.
test seo sitemeta refreshcheckup
https://seositecheckup.com/tools/charset-declaration-test
Charset Declaration Test | SEO Site Checkup
Confirm your page declares UTF-8 (or another encoding) correctly so accents, quotes, and non-Latin scripts render consistently across browsers and devices.
test seo sitecharsetdeclarationcheckup
https://seositecheckup.com/tools/robotstxt-test
Robots.txt Test | SEO Site Checkup
Check whether your site publishes a valid robots.txt file at the domain root, with instant validation and clear steps to control how crawlers access content.
test seo siterobots txtcheckup
https://seositecheckup.com/tools/page-objects-test
Page Objects Test | SEO Site Checkup
Find every image, script, stylesheet, font, or media file on your page that fails to load, with fix steps for 404s, CORS blocks, and mixed-content issues.
test seo siteobjectscheckup
https://seositecheckup.com/tools/js-execution-time-test
JS Execution Time Test | SEO Site Checkup
See how long the browser spends parsing and running JavaScript on your page, with bundle, deferral, and code-split fixes that lower INP and unblock interaction.
test seo sitejs executiontimecheckup
https://seositecheckup.com/tools/image-aspect-ratio-test
Image Aspect Ratio Test | SEO Site Checkup
Check whether the images on your page render at their natural aspect ratio, with instant detection of stretched or squashed images and clear steps to fix...
test seo siteaspect ratioimagecheckup
https://seositecheckup.com/tools/url-canonicalization-test
URL Canonicalization Test | SEO Site Checkup
Confirm www, apex, HTTP, and HTTPS variants of your site collapse to one canonical URL so ranking signals consolidate instead of splitting across duplicates.
test seo siteurlcanonicalizationcheckup
https://seositecheckup.com/tools/keywords-cloud-test
Keywords Cloud Test | SEO Site Checkup
Visualize the words that dominate your page in a quick word cloud, giving you an at-a-glance check that your visible content matches your intended topic.
test seo sitekeywordscloudcheckup
https://seositecheckup.com/tools/modern-image-format-test
Modern Image Format Test | SEO Site Checkup
Find images on your page still served as legacy JPEG or PNG, with rollout steps for WebP and AVIF that shrink LCP and overall page weight noticeably.
test seo sitemodern imageformatcheckup
https://seositecheckup.com/tools/heading-tags-test
Heading Tags Test | SEO Site Checkup
Check whether your page uses H1 and H2 heading tags correctly to give search engines, screen readers, and AI crawlers a clean outline of your content hierarchy.
test seo siteheading tagscheckup
https://seositecheckup.com/tools/most-common-keywords-test
Most Common Keywords Test | SEO Site Checkup
See which words and phrases dominate your page's visible text with a fast frequency analysis, helping you confirm the page emphasizes its intended topic.
test seo sitecommon keywordscheckup
https://seositecheckup.com/tools/meta-title-test
Meta Title Test | SEO Site Checkup
Find out whether your page's title tag is optimized for search clicks, length, and clarity, with instant feedback and step-by-step fixes for common issues.
test seo sitemeta titlecheckup
https://seositecheckup.com/tools/mobile-snapshot-test
Mobile Snapshot Test | SEO Site Checkup
View an instant screenshot of your page rendered in a mobile viewport so you can spot responsive design issues like overflow, cropping, and touch target...
test seo sitemobilesnapshotcheckup
https://seositecheckup.com/tools/media-query-responsive-test
Media Query Responsive Test | SEO Site Checkup
See whether your page uses CSS media queries to adapt its layout to phones, tablets, and desktops, with fix guidance for stronger mobile-first responsive...
test seo sitemedia queryresponsivecheckup
https://seositecheckup.com/tools/image-alt-test
Image Alt Test | SEO Site Checkup
Check whether the images on your page include descriptive alt attributes that help screen readers, search engines, and AI models understand what each image...
test seo siteimage altcheckup
https://seositecheckup.com/tools/canonical-tag-test
Canonical Tag Test | SEO Site Checkup
Confirm that your page declares a canonical link tag pointing to the preferred URL, with fix guidance to consolidate ranking signals on the right version.
test seo sitecanonical tagcheckup
https://seositecheckup.com/tools/render-blocking-resources-test
Render Blocking Resources Test | SEO Site Checkup
Find the JavaScript and CSS files that delay your first paint, then learn how to defer, async, or inline them to improve First Contentful Paint and LCP scores.
render blocking resourcestest seo sitecheckup
https://seositecheckup.com/tools/cdn-usage-test
CDN Usage Test | SEO Site Checkup
Detect whether your page's static assets ride a CDN and learn how to route stragglers through edge caching for faster global delivery and lower origin load.
test seo sitecdnusagecheckup
https://seositecheckup.com/tools/responsive-image-test
Responsive Image Test | SEO Site Checkup
Check whether the images on your page are served at sizes appropriate for the user's viewport, with detailed results and fix steps to cut wasted bytes.
test seo siteresponsive imagecheckup
https://seositecheckup.com/tools/ssl-checker-and-https-test
SSL Checker and HTTPS Test | SEO Site Checkup
Confirm your site is served over HTTPS with a current, valid TLS certificate, HTTP redirected to HTTPS, and the intermediate chain fully delivered to browsers.
test seo sitessl checkerhttpscheckup
https://seositecheckup.com/tools/google-analytics-test
Google Analytics Test | SEO Site Checkup
Confirm GA4 tracking is installed on your webpage and learn how to fix missing snippets, lingering Universal Analytics tags, and consent-mode gaps.
test seo sitegoogle analyticscheckup
https://seositecheckup.com/tools/html-compressiongzip-test
HTML Compression/GZIP Test | SEO Site Checkup
Confirm your server delivers HTML with Brotli or Gzip and learn how to enable, verify, and purge cached responses for faster loads on every connection.
test seo sitecompression gziphtmlcheckup
https://seositecheckup.com/tools/largest-contentful-paint-test
Largest Contentful Paint Test | SEO Site Checkup
Measure when the largest visible element on your page finishes rendering and learn the preload, format, and prioritization fixes that pull LCP under 2.5...
largest contentful painttest seo sitecheckup
https://seositecheckup.com/tools/time-to-first-byte-test
Time To First Byte Test | SEO Site Checkup
Measure how quickly your server sends the first byte and learn how edge caching, query tuning, and protocol upgrades can pull TTFB under the 800 ms target.
test seo sitefirst bytetimecheckup
https://seositecheckup.com/tools/dom-size-test
DOM Size Test | SEO Site Checkup
Audit your page's DOM node count and depth, then learn which lists, wrappers, and hidden widgets to trim for snappier rendering on mid-tier mobile devices.
test seo sitedom sizecheckup
https://seositecheckup.com/tools/deprecated-html-tags-test
Deprecated HTML Tags Test | SEO Site Checkup
Spot legacy HTML tags like font, center, and marquee on the page being tested, with modern CSS and semantic replacements for cleaner, future-proof markup.
test seo sitedeprecated htmltagscheckup
https://seositecheckup.com/tools/favicon-test
Favicon Test | SEO Site Checkup
Confirm your webpage declares a favicon and that the file actually loads, with guidance on modern icon formats for sharper tabs, bookmarks, and SERP listings.
test seo sitefaviconcheckup
https://seositecheckup.com/tools/javascript-caching-test
JavaScript Caching Test | SEO Site Checkup
Speed up repeat visits to your page by checking that external JavaScript files ship with cache headers letting browsers reuse them instead of refetching...
test seo sitejavascriptcachingcheckup
https://seositecheckup.com/tools/plaintext-emails-test
Plaintext Emails Test | SEO Site Checkup
Find email addresses sitting in plain text on your page where harvesters can scrape them, with fix guidance covering contact forms and obfuscation techniques.
test seo siteplaintextemailscheckup
https://seositecheckup.com/tools/image-metadata-test
Image Metadata Test | SEO Site Checkup
Cut hidden bloat from your images by stripping EXIF, color profiles, and embedded thumbnails for a lighter page weight, faster mobile loads, and better privacy.
test seo siteimage metadatacheckup
https://seositecheckup.com/tools/custom-404-error-page-test
Custom 404 Error Page Test | SEO Site Checkup
Confirm that your site serves a branded, helpful 404 page with the correct status code, with fix guidance for keeping users on site when they hit a missing URL.
custom 404 errortest seo sitecheckup
https://seositecheckup.com/tools/javascript-minification-test
JavaScript Minification Test | SEO Site Checkup
Trim 30 to 50 percent off your script payload by checking that external JavaScript ships minified, with whitespace, comments, and long identifiers stripped out.
test seo sitejavascript minificationcheckup
https://seositecheckup.com/tools/console-errors-test
Console Errors Test | SEO Site Checkup
Surface every browser console warning and error emitted by your page, from failed requests and CORS issues to deprecation notices and mixed-content blocks.
test seo siteconsole errorscheckup
https://seositecheckup.com/tools/adstxt-validation-test
Ads.txt Validation Test | SEO Site Checkup
Validate the format of your site's ads.txt file so authorized sellers are correctly listed, with fix guidance for cleaner, higher-yielding programmatic...
test seo siteads txtvalidationcheckup
https://seositecheckup.com/tools/related-keywords-test
Related Keywords Test | SEO Site Checkup
Discover the search queries your page already ranks for in the top 20 organic results, surfacing unexpected opportunities you can double down on with targeted...
test seo siterelated keywordscheckup
https://seositecheckup.com/tools/meta-description-test
Meta Description Test | SEO Site Checkup
See whether your page has a well-written meta description that earns clicks in search results, with instant feedback and clear fix steps for any issues found.
test seo sitemeta descriptioncheckup
https://seositecheckup.com/tools/nofollow-tag-test
Nofollow Tag Test | SEO Site Checkup
Detect nofollow, sponsored, and ugc directives on your page so outbound link signals match your intent, with fix guidance for compliant link attribution.
test seo sitenofollowtagcheckup
https://seositecheckup.com/tools/keywords-usage-test
Keywords Usage Test | SEO Site Checkup
Check whether your most-used body keywords also appear in your title tag and meta description, so on-page signals tell search engines a consistent topic story.
test seo sitekeywordsusagecheckup