Now with Content Health & Share of Voice

The Most Actionable Keyword Rank Tracker for SEO Professionals

Stop just tracking your drops — start fixing them instantly. Serplight connects daily rank tracking with live Content Health scores and one-click brief generation, so you always know not just where you fell, but exactly what to do next.

No credit card required · Free plan available

keyword rank tracker dashboard showing Content Health scores, Visibility Index, and daily SERP tracking data
The Serplight Difference

Other tools tell you what happened.We tell you what to do about it.

The Old Way

  • Open rank tracker — keyword dropped from #4 to #9
  • Open Search Console to investigate impressions
  • Open competitor tool to check what changed
  • Open your CMS to find the article
  • Open a separate brief tool to plan the update
  • Manually track which page to update in a spreadsheet
  • Hope the update recovers the ranking in a few weeks

The Serplight Way

  • Open Serplight — keyword dropped, Content Health score is 38/100
  • Click "Generate Brief" — AI brief based on live SERP is ready in 30s
  • Update your content following the brief recommendations
  • Click "Check Now" to confirm the fix immediately
  • Visibility Index updates automatically the next morning
  • Cannibalization checker confirms no URL is competing with itself
  • Ranking recovers — you spent 15 minutes, not 2 hours
Core Features

Everything you need to compete

Share of Voice & Visibility Index

Average position is vanity. We calculate your actual SEO market share based on search volume, CTR curves, and position tiers — giving you a single, honest number for your organic dominance.

Content Health Integration

Every tracked keyword shows a live Content Health score (0–100). Spot content decay the moment a page starts slipping — and jump straight to the content brief editor to fix it.

Quick Wins & At-Risk Insights

An always-on insights panel surfaces keywords sitting just outside the top 10 with high traffic potential, and flags any keyword on a multi-day declining streak before it falls off page one.

Data-Dense Daily Rank Tracking

No fluffy dashboard. Compact, information-rich tables with sparklines, search intent badges, estimated traffic, ranking URL, and position delta — everything a pro needs, nothing they don't.

Automated Daily Checks at 06:00 UTC

Every keyword is checked against live Google results every morning without you lifting a finger. Wake up to a complete overnight picture of what climbed, dropped, and needs your attention.

On-Demand Manual Re-Check

Published a page update and need to confirm the ranking change now? Trigger an instant live SERP check for any keyword with one click — no waiting for the next daily cycle.

Process

Track Ranks. Diagnose Drops. Fix Content.

A three-step flywheel that turns daily rank data into ranking recoveries — automatically.

01

Add Keywords & Domain

Paste your target keywords, set your domain, choose country and device. Serplight immediately runs a live Google check and shows your starting position — no 24-hour wait.

02

Daily SERP Tracking Runs Automatically

Every morning at 06:00 UTC, our accurate SERP tracking engine checks Google's top 100 results for each keyword, records your exact position, and flags what moved overnight.

03

See Drop → Diagnose → Fix in One Click

A keyword dropped? Check the Content Health score instantly. Low? Click "Generate Brief" to get an AI-powered brief for that exact keyword. Publish the update. Watch the rank recover.

Capabilities

Enterprise-Grade Tracking Intelligence

Daily rank tracking is just the entry point. Serplight layers Content Health, Share of Voice, and cannibalization detection on top — turning position data into a complete content intelligence system.

Your Rank Tracker Should Show You More Than a Number

Most SEO rank tracking software tells you a keyword dropped from position 4 to position 9. That's it. Now what? You still have to open another tool to check the SERP, another to review your content, and a third to write an updated brief.

Serplight's keyword rank tracker is purpose-built to eliminate that context-switching tax. Every row in your tracking table is connected to a live Content Health score, a full SERP analysis, and a one-click path to regenerate your content brief — all from the same dashboard.

  • Content Health Score (0–100): A proprietary score calculated from your brief's keyword coverage, structure, and freshness. The single fastest way to identify content decay before rankings collapse.
  • Visibility Index (Share of Voice): A weighted metric that accounts for search volume and expected CTR at each position — your true SEO market share, not a misleading average.
  • Search Intent Badges: Each keyword is auto-classified as informational, navigational, commercial, or transactional so you can prioritize which drops actually threaten revenue.
serplight.io/tracking
24
Keywords
11.4
Avg. Position
38%
Visibility Index
7
Gainers
3
Losers
Keyword
Rank
Δ
Trend
Content
Traffic
seo content brief tool
#3
+4
91/100
1.2k
keyword rank tracker
#7
+2
74/100
340
serp analysis software
#14
-3
42/100
89
content gap analysis
#1
+6
88/100
2.8k
share of voice seo
#19
-1
31/100
44

Stop Tracking Rankings. Start Tracking Share of Voice.

Your average position went from 8.2 to 8.6. Is that bad? It depends entirely on which keywords moved. If your highest-volume keyword fell from position 3 to position 8, you just lost 60% of its estimated clicks — but the average barely budged.

Serplight's Visibility Index weights every position change by its actual traffic impact. You'll see a dashboard that tells you your real organic share of voice in SEO, broken down by ranking tier, with a Top Movers panel that surfaces the highest-impact gains and losses every single day.

  • Ranking Distribution Breakdown: See exactly how many keywords sit in the Top 3, positions 4–10, 11–30, and beyond — with the traffic-share each tier represents.
  • Top Daily Movers: The 5 biggest gainers and 5 biggest losers updated every morning, prioritized by estimated traffic impact so you act on what actually matters.
Visibility Index — Share of Voice38.4%

Your estimated SEO market share based on position × CTR × volume

Top 3
4
Pos. 4–10
8
Pos. 11–30
7
Pos. 31+
5
Top Gainers
Top Losers
content gap analysis
#7#1+6
seo brief generator
#12#4+8
serp analysis software
#11#14-3
share of voice seo
#16#19-3

Content Decay Intelligence: Catch Drops Before They Become Crises

Pages naturally lose their edge. An article that ranked #2 last year may now sit at #11 — not because of an algorithm penalty, but because competitors refreshed their content and you didn't. This is content decay, and it's the most common cause of unexplained rank loss for established sites.

Serplight's Insights Panel runs continuously alongside your tracking table. It automatically surfaces keywords on a consistent multi-day declining streak and pairs each one with its Content Health score — so you can see at a glance whether the drop is linked to stale content and act before the page falls off page one entirely.

  • At-Risk Keyword Detection: Any keyword that has declined for two or more consecutive daily checks is automatically flagged in the insights panel with its current position and estimated traffic at stake.
  • Quick Wins — High ROI Opportunities: Keywords sitting in positions 11–20 with significant search volume are surfaced as quick wins — the ones where a content refresh is most likely to produce a meaningful traffic jump.
  • One-Click to Brief Editor: Every at-risk or quick-win keyword links directly to the Content Brief editor pre-loaded with that keyword, so you can start an optimized refresh immediately.
Content Decay Detected

3 keywords dropped 5+ positions in the last 14 days

serp analysis software
Pos. #14-4
42/100Update Brief
share of voice seo
Pos. #19-6
31/100Create Brief
seo competitive analysis
Pos. #23-9
28/100Create Brief
Daily Rank Log — seo content brief
Today, 06:00
#3+1
Yesterday, 06:00
#4+2
2 days ago, 06:00
#6+1
3 days ago, 06:00
#70

Rank Tracker FAQ

What makes this different from other keyword rank trackers?

Most rank trackers are isolated tools — they show you a position number and stop there. Serplight connects daily rank tracking directly to Content Health scores and content brief generation. When a keyword drops, you can diagnose the cause and fix it without leaving the dashboard. It is a tracking command center, not just a position monitor.

What is the Visibility Index and how is it calculated?

The Visibility Index is your Share of Voice in SEO — a weighted score that combines your keyword positions with their search volumes and expected CTR at each ranking tier. Unlike average position (which treats a drop from #1 to #3 the same as a drop from #40 to #42), the Visibility Index weights changes by their real traffic impact. A higher index means you dominate more of the available organic clicks in your niche.

How does the Content Health score work?

When you create a Content Brief in Serplight for a tracked keyword, the brief editor generates a Content Health score (0–100) based on how well your content covers the required topics, subtopics, and semantic keywords identified from the top-ranking SERP results. As your competition updates their content, the benchmark shifts — so the score reflects your content's freshness and completeness in real time.

How accurate is the daily rank tracking?

Serplight queries live Google search results directly at 06:00 UTC each day, scanning the top 100 organic results for your exact keyword, country, and device settings. There is no data sampling, no rolling averages, and no 2-3 day lag. The position recorded is the exact rank Google returned at the time of the check.

What is the difference between Serplight and Google Search Console for tracking keyword rankings?

Google Search Console averages your rankings over a date range and suffers from a 2-3 day data delay. It cannot show you granular daily position history, does not differentiate by device, and has no concept of Content Health or at-risk decay detection. Serplight checks the live SERP every day per keyword, per country, per device — and connects that data directly to your content workflow.

How many keywords can I track?

Free users can track up to 5 keywords. Starter plan gets 20, Pro gets 100, and Agency gets 500 simultaneously tracked keywords. Rank tracking uses its own separate quota and does not count against your SERP Analyzer or Content Brief usage.

Can I trigger a rank check before the daily cycle runs?

Yes. Each keyword has a manual "Check Now" button that runs a live SERP lookup instantly, outside the daily 06:00 UTC cycle. This is subject to a per-plan daily limit (5 manual checks on Free, up to 100 on Agency) to prevent abuse, but is ideal for verifying a ranking change immediately after publishing a page update.

No credit card required

Stop Watching Rankings Drop.Start Fixing Them.

Join thousands of SEO professionals, content teams, and agency owners who use Serplight as their primary keyword rank tracker — and actually close the loop between tracking a drop and fixing the content that caused it.