RankAudit Speed Tab — Lighthouse & Competitor Compare
RankAudit Speed runs full Lighthouse audits and lets you side-by-side compare against up to 2 competitor URLs on mobile or desktop.
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Introduction
The Speed tab is RankAudit's deep performance analysis layer. While Performance uses CrUX field data, Speed runs synthetic Lighthouse audits that work even for low-traffic sites and let you benchmark directly against named competitors. This article walks through the Speed workflow on rankar.ai.
The Layout
Top of the tab: a description — "Full Lighthouse + Chrome UX Report data — Core Web Vitals, opportunities, diagnostics, accessibility / SEO / best-practice audits, and a side-by-side comparison with up to two competitors."
Below: three URL input slots. The first (YOUR URL) is pre-populated with your audited domain. Slots 2 and 3 (COMPETITOR 1, COMPETITOR 2) accept any domain. A Mobile/Desktop toggle and an Analyze button complete the form.
Setting Up a Comparison
To benchmark rankar.ai against semrush.com and ahrefs.com on mobile:
- Confirm
YOUR URLshowshttps://rankar.ai/. - Click the
×next to the empty Competitor 1 slot to add a domain. - Enter
semrush.com. Repeat for Competitor 2 withahrefs.com. - Toggle Mobile.
- Click
Analyze.
Lighthouse runs three audits in parallel (one per URL). Results appear side-by-side once all three complete.
Reading the Side-by-Side Results
Each URL gets its own column showing:
- Performance score (0-100).
- LCP, INP, CLS, FCP, TBT, Speed Index.
- Top opportunities (e.g., "Eliminate render-blocking resources — save 1.4s").
- Diagnostics (e.g., "Avoid enormous network payloads").
- Accessibility, SEO, Best Practices secondary scores.
The visual difference makes it immediately clear where you lead and where you lag. Use the lagging metrics as your sprint backlog.
Mobile vs Desktop Strategy
Mobile is the priority because Google indexes mobile-first. Run Mobile first; address the worst three metrics; then check Desktop to make sure nothing degraded.
What's Next
Speed compared. The next article moves to Schema — the AEO Schema Readiness view that scores your structured-data deployment across 14 schema types.
Apply This With the Rankar Toolkit
RankAudit works best paired with the rest of the Rankar suite. Spin up the relevant tools: RankTalk • RankOps • RankAudit • RankWriter • RankTracker • RankAIO • RankBridge • RankLinks • RankLocal • RankLaunch • RankSpy • RankUX • RankLead. Each module shares data with the others — fewer tabs, one source of truth.