See what's slowing your site down
Speed is the first impression. Sentinel measures your homepage on both mobile and desktop, breaks down Core Web Vitals, and points to the specific assets slowing it down, so you can fix what is costing you bookings.
- Mobile and desktop scores
- Core Web Vitals broken down
- The specific heavy assets to fix
Real performance metrics, not a vanity number
See Largest Contentful Paint, layout shift, and blocking time for your homepage, with the heavy images and scripts that drag it down flagged directly.
- Largest Contentful Paint
- Cumulative Layout Shift
- Total Blocking Time
- Oversized images and scripts
Largest Contentful Paint
LCP
2.6sNeeds workCumulative Layout Shift
CLS
0.02GoodTotal Blocking Time
TBT
120msGood
A ranked list of what's slowing you down
Sentinel turns raw metrics into specific, ranked recommendations, like compress this image or defer that script, so you spend effort where it moves the needle.
- HighCompress hero.jpg-1.8s
- HighDefer the chat widget script-0.4s
- MediumPreload the heading font-0.2s
See your score move after each fix
Every scan compares against your last one, so you can see whether the work you did actually made the homepage faster for the patients trying to book.
- Mobile7489+15
- Desktop9096+6
More than a speed score
Mobile-first
Most patients find you on a phone, so mobile performance leads the report.
Asset-level detail
We flag the specific images and scripts to address, not just a score.
Field + lab data
Real-world Core Web Vitals from Chrome, plus a lab test.
Since last scan
See how your mobile and desktop scores moved from the previous scan.
Common questions
Sentinel runs on your plan's cadence, compares each scan to the last, and ties results into one ranked to-do list alongside your other website signals.
Find out what your website is costing you
See your accessibility, privacy-risk, and speed signals in one dashboard, ranked by what to fix first. Set up in minutes.