Sentry
Sentry is an error tracking and performance monitoring platform that captures JavaScript errors, crashes, and performance issues in real-time. It helps developers fix bugs before u…
What is Sentry?
Sentry is an error tracking and performance monitoring platform that captures JavaScript errors, crashes, and performance issues in real-time. It helps developers fix bugs before users are affected.
Common Use Cases for Law Firms
- Catch JavaScript errors that might prevent contact forms from submitting
- Monitor performance issues on high-traffic practice area pages
- Track errors in third-party integrations (chat widgets, scheduling tools)
- Alert developers when new deployments cause client-facing issues
How We Detect It
Market Overview
We detect Sentry on 1,711 personal injury law firm websites, making it a 4.8%-adoption analytics tool in the industry. Interestingly, adopters average 12.9 SI (-16.6 vs non-adopters), indicating Sentry is popular across firms at all sophistication levels. The heaviest adoption comes from the Minimalist Tech Users segment (11.6%), followed by Awareness-Only Firms (3.4%). Firms running Sentry most commonly pair it with Wix (90.6%) and Google Workspace (48.1%).
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Adoption by State
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VT
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NH
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WA
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MT
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ND
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MN
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WI
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MI
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NY
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MA
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RI
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OR
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ID
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WY
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SD
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IA
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IL
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IN
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OH
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PA
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NJ
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CT
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CA
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NV
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CO
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NE
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MO
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KY
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WV
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VA
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MD
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DE
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DC
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AZ
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UT
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KS
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AR
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TN
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NC
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SC
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NM
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OK
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LA
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MS
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AL
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GA
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AK
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HI
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TX
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FL
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0
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Adoption by Segment
which segments use Sentry most
Commonly Paired With
co-occurrence
Sentry Best Practices
1
Configure Sentry alerts specifically for errors affecting your contact form and intake flow — these are the errors that cost money. Sentry monitors all JavaScript errors on your site, but not all errors matter equally. A broken slider on your blog page costs you nothing. A JavaScript error preventing your contact form from submitting could cost you thousands in lost cases before anyone notices. Create a Sentry alert rule that immediately pages your developer (via email, Slack, or PagerDuty) whenever an error occurs on URLs matching your intake flow: /contact, /free-consultation, /intake, and any confirmation page. These are the only errors that require immediate response. Everything else can be addressed during normal development cycles.
2
Set up Sentry's session replay alongside error tracking to see exactly what a user was doing when a bug occurred. Sentry's Session Replay feature records user interactions (clicks, scrolls, form inputs — masked for sensitive fields) leading up to an error. When you get an alert that your contact form threw an error, you can watch the replay and see exactly what the user clicked, what they typed, and at what step the error occurred. Without replay, debugging is archaeological work. With replay, you see the problem in seconds. Enable it on your intake pages and configure field masking (Sentry's default settings mask all input values) so you're not capturing client data.
3
Configure Sentry source maps so error reports show readable code, not minified JavaScript gibberish. Most law firm websites are served with minified JavaScript — compressed code that strips whitespace and shortens variable names for performance. When Sentry catches an error in minified code, the stack trace is unreadable: line 1, column 84732. Source maps are companion files that map minified code back to the original, readable source. Upload source maps to Sentry as part of your deployment process and your errors become actionable: "Error in ContactForm.js, line 47, in submitFormHandler." This is the difference between an error report you can fix in an hour and one you have to reverse-engineer for a day.
4
Use Sentry's performance monitoring to identify slow page loads on your highest-traffic pages — Core Web Vitals affect both conversions and Google ranking. Sentry's Performance module tracks page load times, largest contentful paint (LCP), cumulative layout shift (CLS), and first input delay (FID) — Google's Core Web Vitals metrics. A practice area page that loads in 5 seconds on mobile loses 40%+ of visitors before they read a word about your services. Sentry's distributed tracing can pinpoint which API call, third-party script, or database query is causing the slowdown. For PI firms spending thousands per month on Google Ads, a slow landing page is wasted ad spend. Set a Sentry performance alert when LCP exceeds 2.5 seconds on any page.
5
Review Sentry's "Issues" dashboard with your developer monthly — don't wait for alerts to surface problems. Sentry's issue dashboard shows all errors grouped by type, frequency, and affected users. Many errors that don't trigger alerts (because they're below your alert threshold) still affect real visitors. A monthly 30-minute review of your top 10 issues by frequency catches the chronic low-level problems that your alert system ignores. Pay particular attention to issues flagged as "First Seen" in the last 30 days — new errors often correspond to recent site changes or third-party service updates.
Alternatives to Sentry
1
Datadog Real User Monitoring (RUM) — Enterprise-grade observability that combines error tracking, performance monitoring, and log management in a single platform. Datadog's RUM is overkill for most PI firms (pricing starts at $1.5/1,000 sessions and scales up), but for large multi-location practices with custom web applications, case portals, or API-driven client experiences, Datadog's depth is unmatched. If your firm has a dedicated developer or IT team, Datadog's integrated observability stack (infrastructure + application + front-end) eliminates the need for multiple monitoring tools.
2
Bugsnag — A focused JavaScript and mobile error tracking platform that competes directly with Sentry. Bugsnag's interface is simpler than Sentry's and its noise reduction (grouping similar errors, filtering out known browser quirks) is considered more refined. For PI firms where the developer is part-time or external, Bugsnag's cleaner signal-to-noise ratio means less time triaging and more time fixing. Pricing is similar to Sentry. The choice between them typically comes down to developer preference.
3
LogRocket — Combines session replay, error tracking, and performance monitoring in one tool, similar to the combination of Sentry plus a recording tool like Hotjar. LogRocket's advantage is that session replays are automatically correlated with errors — when you click on an error, the associated session replay loads automatically. For PI firms trying to understand not just what broke but why a specific user experienced it, LogRocket's correlation is more direct than Sentry plus a separate recording tool. Pricing starts at $99/month, which is higher than Sentry's free tier.
4
Rollbar — Error monitoring platform with strong real-time alerting and automated issue grouping. Rollbar's primary differentiator is speed: it surfaces errors in near real-time and has the most aggressive automatic grouping of similar errors in the category. For firms that ship code frequently and need fast feedback on deployments, Rollbar's real-time alerting is valuable. For firms with relatively static websites that are updated monthly by an agency, the real-time speed advantage is less meaningful.
Sentry Power Moves
1
Connect Sentry to your deployment pipeline so every code change automatically creates a new Sentry release — this tells you exactly when a bug was introduced. Sentry's release tracking lets you mark when new code is deployed. When an error appears after a release, Sentry immediately shows you which release introduced it, what changed, and who made the change. For PI firms whose websites are managed by external agencies, this creates accountability: when a redesign breaks the contact form, Sentry's release timeline shows the exact deployment that caused it. This eliminates the "it worked fine before you changed X" debate because you have timestamped evidence.
2
Use Sentry's user context to identify whether errors are affecting a disproportionate segment of your visitors — mobile users, specific browsers, or geographic regions. Configure Sentry to capture basic user context: browser, OS, geographic region (city/state level — not personal data). When an error appears, Sentry's breakdown by context often reveals patterns: 90% of this error occurs on Safari mobile, or this error only affects users in Illinois. This context is actionable — you can prioritize the fix based on who is affected. A bug affecting 30% of your mobile iPhone users in your target market is an emergency; a bug affecting 2% of Internet Explorer users is not.
3
Set up a Sentry Slack or email integration and share it with your marketing agency — not just your developer. When your agency pushes a site update and it breaks your contact form, the person who needs to know first is the person who made the change, not your IT contact. Configure Sentry to alert the agency's technical lead directly when errors spike after a deployment. This eliminates the communication lag between "something broke" and "we're fixing it" — which in PI intake can mean hours of failed form submissions before anyone acts.
4
Filter out known third-party script errors in Sentry to reduce noise and focus on errors you can actually fix. Live chat widgets (Tidio, Drift, Intercom), review aggregators (Birdeye, Podium), and advertising pixels (Facebook Pixel, Google Tag Manager) all generate JavaScript errors that appear in Sentry but are not your code. Configure Sentry's inbound filters to ignore errors originating from known third-party scripts and domains. A clean Sentry dashboard showing only errors in YOUR code is 10x more actionable than one polluted with 200 errors from a Facebook Pixel update you have no control over.
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Top Firms Using Sentry
by sophistication index
| # | Firm | Segment | Attorneys | SI Score | Grade |
|---|---|---|---|---|---|
| 1 |
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Conversion-Focused Firms | 4 | 94.094 | A+ |
| 2 |
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Retention Innovators | 12 | 93.093 | A+ |
| 3 |
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Conversion-Focused Firms | 9 | 93.093 | A+ |
| 4 |
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Retention Innovators | 1 | 91.892 | A+ |
| 5 |
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Conversion-Focused Firms | 366 | 87.187 | A+ |
| 6 |
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Conversion-Focused Firms | 41 | 86.586 | A+ |
| 7 |
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Conversion-Focused Firms | 8 | 86.386 | A+ |
| 8 |
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Conversion-Focused Firms | 20 | 85.586 | A+ |
| 9 |
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Conversion-Focused Firms | 1 | 85.586 | A+ |
| 10 |
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Retention Innovators | 1 | 84.584 | A+ |
| 11 |
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Conversion-Focused Firms | 8 | 84.384 | A+ |
| 12 |
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Conversion-Focused Firms | 3 | 84.384 | A+ |
| 13 |
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Conversion-Focused Firms | 5 | 84.384 | A+ |
| 14 |
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Retention Innovators | 42 | 84.384 | A+ |
| 15 |
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Conversion-Focused Firms | 1 | 84.384 | A+ |
| 16 |
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Conversion-Focused Firms | 18 | 84.384 | A+ |
| 17 |
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Conversion-Focused Firms | 1 | 84.184 | A+ |
| 18 |
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Conversion-Focused Firms | 10 | 83.584 | A+ |
| 19 |
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Conversion-Focused Firms | 1 | 83.584 | A+ |
| 20 |
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Retention Innovators | 1 | 83.584 | A+ |
