The SEOlvl SEO Health audit runs these on a live crawl of your homepage, re-runs on every deploy, and alerts you the moment one regresses. Each one below explains what it costs your business and the exact fix.
The title tag is the single biggest on-page ranking factor you fully control, and it is the clickable headline in Google...
Read the fix →Google often rewrites descriptions, but a well-written one still lifts click-through from search — and CTR is a traffic...
Read the fix →This is the highest-severity SEO failure: a `noindex` directive removes the page from Google entirely. It is the classic...
Read the fix →HTTPS is a confirmed ranking signal and a hard trust requirement — browsers flag plain HTTP as “Not secure”, killing con...
Read the fix →Without a canonical, parameters, trailing slashes, and http/https/www variants look like separate pages — Google splits...
Read the fix →Google indexes mobile-first and most visitors are on phones. No viewport tag means the page renders zoomed-out and unusa...
Read the fix →The H1 tells users and Google the page's primary topic. Missing it weakens topical relevance; multiple H1s dilute it. Bo...
Read the fix →Schema makes pages eligible for rich results (stars, FAQ, breadcrumbs) that dominate the SERP and lift CTR — and it is i...
Read the fix →Open Graph controls how links look when shared on social, Slack, iMessage, and increasingly in AI answers. Missing OG ta...
Read the fix →Alt text is required for screen-reader accessibility (an ADA/WCAG legal exposure) and is how images earn Google Images t...
Read the fix →A sitemap is how Google reliably discovers and prioritises every URL — critical for large or deep sites and brand-new pa...
Read the fix →robots.txt is the first file crawlers fetch. A missing or wrong one either gives crawlers no guidance or — worse — a str...
Read the fix →The `lang` attribute tells Google which language/region to rank the page for and lets screen readers use the right pronu...
Read the fix →HSTS forces browsers to use HTTPS before the first request, closing a real downgrade/man-in-the-middle window. It is a b...
Read the fix →Pages with almost no crawlable text give Google little to rank and read as low-value — common with JS apps that render a...
Read the fix →