For developers

It is 11pm. Production is broken.
Did your deploy do this?

Lintry runs a real-Chromium audit on any URL in 60 seconds. Pre-deploy regression checks. Diff-based issue tracking. PageSpeed in every scan. The QA infrastructure you should not be building yourself.

Start scanning free →See all features

Free forever · Pro $29 CAD/mo · No credit card required

The reality of shipping fast

You ship. You hope. You wait.

Then a user finds the bug, files a ticket, and now you are debugging at midnight. There is a better way.

4-8 hrs
Weekly time devs spend manually verifying production after deploys
23%
of production incidents are caught by users before the team notices
11pm
When you find out something broke. Always 11pm.

Same codebase. Different deploy day.

Without Lintry
With Lintry
Push to prod, refresh the homepage, hope nothing broke
→
Pre-deploy scan: 0 new issues, score steady at 91. Ship clean.
Find broken links manually after a content migration
→
Diff scan shows exactly which 7 links broke and on which pages
Hand-check Core Web Vitals on PageSpeed Insights, one URL at a time
→
Full PageSpeed report bundled into every Lintry scan, mobile + desktop
No idea if last week's dependency update slowed the site
→
Weekly automated baseline shows TTFB drift before it hurts SEO
Try to explain to stakeholders why "the site is fine, trust me"
→
QA score from 76 to 94. Concrete number, screenshot, JSON export.
Console errors silently fail in production
→
Every scan captures console errors with stack traces and source files
Three deploys, no panic

What Friday evening looks like with Lintry.

5:42 PM Friday
Pre-deploy regression check
Lintry scans staging and production side-by-side. Catches that the new analytics script added 380ms to LCP and broke 2 internal anchor links from the redesign. Twenty minutes of fixes. Deploy goes out clean at 6:30. You actually leave the office.
2:14 AM Tuesday
Email: critical issue on production
Weekly scan caught a Safe Browsing flag — a CDN-hosted script returns malware-like content after a vendor's domain was hijacked. Email lands in your inbox. You wake up, swap CDNs, push at 3 AM. Users in three time zones never noticed. The team's morning standup goes normally.
11:33 AM Wednesday
PM asks: "did SEO improve after the migration?"
You hand them the Lintry score history. Before Next.js 14 migration: 72. After: 91. Plus a breakdown of resolved issues. The PM stops asking vague questions about SEO. The eng team gets credit for the work. The CTO greenlights the next migration.
Why developers use Lintry

The QA infrastructure you should be using, not building.

Real Chromium, not a fetch wrapper

Lintry launches a headless Chromium instance for every scan. It renders JavaScript. It follows redirects. It executes client-side routing. Sites that block fetch-based scrapers get checked correctly. Sites with React Router and lazy-loaded routes get checked correctly. This is what eliminates 90% of false positives.

Diff-based regression detection

Every issue gets a fingerprint. Re-scan a URL after a deploy and Lintry tells you exactly what is new, what was resolved, and what is unchanged. Not just a fresh list of 47 issues to sift through. The diff is what makes this usable in CI — you only see what changed.

JSON export for your own dashboards

Every scan produces clean structured JSON. Pipe it to your monitoring stack, store it in your database, post it to Slack on every deploy, or build a custom internal dashboard. The Agency plan adds API access — kick off scans programmatically from your build pipeline.

Full PageSpeed Insights in every scan

No more switching to web.dev/measure for performance data. Lintry bundles full Google PageSpeed Insights — both mobile and desktop strategies — into every scan. LCP, CLS, TBT, Speed Index, accessibility scores. One report, one URL submission.

Security header audit on every check

CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. Lintry checks them all and flags what is missing or misconfigured. Catches the day your CDN strips a header during a config push.

Scheduled monitoring with email alerts

Set a weekly or daily scan on production. The moment a new critical or high-severity issue is detected, you get emailed. Catches the dependency that updates overnight and breaks your site at 4 AM Pacific. You find out before users do.

API access on Agency plan

Pipe it into your deploy.

Example: pre-deploy scan in GitHub Actions
# Trigger scan via API
POST https://api.lintry.io/scan
Authorization: Bearer $LINTRY_KEY
{ "url": "https://staging.myapp.com" }
# Response
score: 94 · new_issues: 0 · resolved: 3
# Use exit code to gate the deploy
Built by devs who ship

Used in production by Tactics Digital.

Lintry was built by Tactics Digital, a Calgary-based digital agency, because manual production QA was eating engineering hours we did not have. It runs on every client deploy, on a weekly schedule for monitoring, and on every release of Lintry itself.

The dogfooding is real. The most recent self-scan of lintry.io: 1 medium-severity issue, score 90+. Every feature on this site exists because we wanted it ourselves first.

Pricing for developers and dev shops.

Free
$0 forever
10 scans/month, 1 project. Enough to QA your side projects and demo apps.
Pro · Recommended
$29 CAD/mo
100 scans/month, 10 projects, scheduled scans, full history, JSON export.
Agency
$99 CAD/mo
Unlimited scans, API access, GitHub Actions integration, unlimited team.
See full pricing details →

The honest questions developers ask.

I already have GitHub Actions and a CI pipeline. Why Lintry?

Your CI catches what your tests cover. Lintry catches what users actually see in production — rendered HTML, real Core Web Vitals from Google's lab, broken links across the entire site, security headers on the actual response. Lintry is what runs on production after CI passes. The two complement each other: unit tests + Lintry = full coverage from code to user.

PageSpeed Insights is free. Why pay for this?

PageSpeed covers performance and accessibility for a single URL at a time, by hand, with no history. Lintry bundles PageSpeed plus broken-link checking, SEO audits, security header inspection, structured data validation, Safe Browsing checks, console error capture, and scheduled monitoring with email alerts — for any URL, with history and diffs. One tool. One report. Tracked over time.

I could build this myself in a weekend.

You could build a fetch loop. Real Chromium-based scanning with proper handling for JavaScript-rendered content, bot detection, rate limiting, screenshot capture, PageSpeed Insights integration, and diff-based regression tracking is 100-200 hours of engineering work plus ongoing infrastructure costs (Playwright runners, Redis queue, storage). Lintry is $29 CAD/month. Build the things that differentiate your product. Buy the QA infrastructure.

What happens if Lintry gets blocked by Cloudflare or Akamai?

Lintry uses a real Chromium browser with a realistic User-Agent string. Most production sites scan without issues. Sites behind enterprise bot protection (Akamai Bot Manager, advanced Cloudflare WAF rules) may block automated browsers — this is a known limitation of any external scanner. Workaround: whitelist Lintry's outbound IP range, or scan a staging environment that does not have the same WAF rules applied.

Reliability — what if a scan API call fails during my deploy?

Lintry is hosted on Railway with horizontal scaling and Vercel for the frontend. Target uptime is 99.5%+. Failed scans auto-retry once. If the API is genuinely down, your deploy should not block on Lintry — treat it like a quality gate (warn on failure, do not block). The pre-deploy scan is informational, not mandatory.

Ship without praying.

Scan your production URL today. See what is actually broken before users do. Free plan covers your first 10 scans this month.

Start scanning free →

No credit card required