One-shot audit of a URL: tracking tags, duplicate-tag risks, response-header hygiene, and resource counts, as a single readable report. Fast (no browser). For byte-level page weight use analyze_page_weight; for lab Core Web Vitals use measure_performance.

Static scan of a page's HTML for analytics/advertising tags: GA4, Google Tag Manager, Universal Analytics, Google Ads, Meta Pixel, TikTok, LinkedIn Insight, Hotjar, Microsoft Clarity, server-side/first-party tagging, and consent platforms. Reports IDs and where each was found.

Flag duplicate GA4/GTM/pixel installations and double-fire patterns: same ID initialized twice, multiple containers, hardcoded GA4 next to GTM, multiple pixel IDs, legacy UA leftovers.

Load the page in headless Chromium (Playwright) and capture lab metrics: TTFB, FCP, LCP, CLS, load times, request count and transfer sizes. Clearly labeled lab data, not field data. Requires the Playwright Chromium browser; returns the install command if missing.

Static page-weight analysis: counts and byte sizes of scripts, stylesheets, images, fonts and iframes referenced in the HTML, plus the largest third-party scripts. Measures up to 30 resources with capped, guarded requests.

Inspect the page's HTTP response headers: caching policy, compression, HSTS, CSP, clickjacking protection, referrer policy, CDN presence. Informational grades with explanations, no synthetic scores.

Plain-language summary of a site's tracking setup written for a media buyer or marketer: what is installed, what it means for campaigns, consent posture, and issues to raise with the dev team.