Guide · Downtime & Errors503 Service Unavailable: What It Means and How to Fix It Step by StepDiagnose a 503 Service Unavailable error from overload, maintenance mode, exhausted workers or a dead backend, with fixes for WordPress, nginx, Apache and IIS.8 min readGuide · Downtime & ErrorsAadhaar / UIDAI Portal Not Working: Checks and Safe WorkaroundsWhat to check when the UIDAI website, myAadhaar login or Aadhaar OTP fails, how to separate a portal problem from your own, and how to avoid scams.7 min readGuide · Downtime & ErrorsCloudflare 520-526 Errors Explained: Meaning and Fixes for EachA code-by-code guide to Cloudflare 520, 521, 522, 523, 524, 525, 526 and 530 errors, with origin tests, SSL mode fixes and firewall rules that resolve them.10 min readGuide · Downtime & ErrorsDigiLocker Not Working? Login, OTP and Document Fetch FixesTroubleshoot DigiLocker login, OTP, app crashes and documents that will not fetch, and learn how to tell a DigiLocker outage from a problem on your side.7 min readGuide · Downtime & ErrorsERR_CONNECTION_REFUSED vs Timed Out vs Reset: What Each MeansUnderstand what ERR_CONNECTION_REFUSED, ERR_CONNECTION_TIMED_OUT and ERR_CONNECTION_RESET reveal about TCP, and how to diagnose each with nc, curl, ss and mtr.10 min readGuide · Downtime & ErrorsFix 500 Internal Server Error: A Practical Guide for Site OwnersTrack down a 500 Internal Server Error with error logs, .htaccess and PHP checks, permission fixes and WordPress debugging, plus when your host must step in.9 min readGuide · Downtime & ErrorsHow to Fix a 502 Bad Gateway Error (nginx, Apache, PHP-FPM, CDN)What a 502 Bad Gateway really means, how to find the failing upstream with logs and curl, and fixes for nginx, Apache, PHP-FPM, Node and Cloudflare setups.8 min readGuide · Downtime & ErrorsHow to Fix a 504 Gateway Timeout: Causes, Logs and TimeoutsFind out why a proxy gave up waiting on your backend, how to spot slow queries and stuck workers, and which nginx, Apache, PHP and CDN timeouts to change.9 min readGuide · Downtime & ErrorsHow to Tell Customers Your Website Is Down (With Copy-Paste Messages)A practical plan for small businesses: who to tell first, which channels to use when your site is down, and ready-to-paste messages for social, email, phone and chat.8 min readGuide · Downtime & ErrorsIncome Tax Portal Not Working During ITR Filing: Fixes and Order of StepsWhat to do when the income tax e-filing portal is slow, shows errors, rejects OTP or fails to submit your ITR, with safe retry habits and scam warnings.7 min readGuide · Downtime & ErrorsIs a Website Down for Everyone or Just Me? How to Check ProperlyLearn how to tell a real outage from a local problem using DNS, curl and outside vantage points, plus the fixes for DNS cache, VPN, ISP and browser causes.9 min readGuide · Downtime & ErrorsWebsite Down? The First 15 Minutes Checklist for OwnersA calm, numbered checklist for the first 15 minutes after your website goes down: confirm it, find the layer that broke, check the usual suspects, and know when to escalate.7 min readGuide · Downtime & ErrorsWhy Is My Website Down? 12 Causes and How to Diagnose EachA layer-by-layer method for finding why your website is down, with 12 common causes, the commands that expose each one, and when to escalate to your host.10 min read