Deterministic SEO Analyzer
Scan any page.
Measured evidence first.
Every finding is grounded in HTTP + HTML evidence. No LLM invents a result — AI is only used (optionally) to explain what the measurement means. Fast, repeatable, and the same score for the same URL every time.
Real-user Web Vitals · last 7 days (p75)
Field data streamed from real visitors — complements the static evidence above. Buckets follow Google's p75 thresholds.
desktop
LCP
2322.9ms
142 samples
INP
448ms
4 samples
CLS
0.24
178 samples
FCP
1540ms
149 samples
TTFB
908ms
174 samples
mobile
LCP
2346ms
7 samples
INP
128ms
5 samples
CLS
0
9 samples
FCP
3068ms
8 samples
TTFB
2491ms
9 samples
Slowest paths by LCP p75
- /langflow/api/v1/validate/code8172.1 ms · 1 samples
- /4576 ms · 30 samples
- /growth-agent4523.1 ms · 2 samples
- /litlab/admin/articles%604238 ms · 3 samples
- /litlab/industries/welding4140 ms · 1 samples
Chronic LCP alert preview · would fire now
Previews what the Monday 9am UTC vitals cron would email. A path qualifies after two consecutive weeks in the Poor bucket (p75 > 4000ms). Nothing is emailed or persisted when you view this card.
No chronic LCP paths right now — nothing would alert this week.