14 Şubat 2013 Perşembe

Monitor your Website’s Uptime with Google Docs

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Do you have a website or a blog? Would you like to receive instant alerts as soon as your site goes down or becomes inaccessible to users? Would you like these alerts to arrive in your email inbox or as text messages on your mobile phone or both? →

Most website owners use “freemium” website monitoring services to track the downtime and uptime of their sites.  These service offer free plans but you often have to upgrade for unlimited email /SMS alerts or if you would like to monitor a large number of websites.

Website Monitor with SMS Alerts

Build your own website monitoring tool with Google Docs, SMS alerts included

Monitor Website’s Uptime with Google Docs

You can also use Google Docs to monitor your website(s) and, unlike the commercial services, Google imposes no restrictions. You can track any number of websites with Google Docs and it will send email /text alerts in case of any issues. And this DIY website monitoring tool is absolutely free.

Here’s how you quickly configure Google Docs to monitor the uptime /downtime of your website(s). This has to done just once and Google Docs will continuously monitor all your sites in the background.

Let’s get started:

  1. Sign-in to your Google account and then click here to copy this Google sheet into your Google Drive. You may use your Google Apps account as well.
  2. Put your website URLs in cell B2 (comma separated) and your email address in cell B3. If you wish to be alerted by text messages, just replace No with Yes in cell B4.
  3. You’ll find a new Website Monitor menu in your Google Docs toolbar. Click Initialize and you’ll get a pop-up asking for authorization. Grant the necessary access.
  4. Go to the Website Monitor menu again and choose “Start” to begin the monitoring process.  Close the Google Sheet.

That’s it. The Google Docs sheet will monitor your website in the background at 5-minute intervals and will send alerts whenever it has trouble accessing the website. If the issue is resolved, you’ll get another notification saying “all’s well.”

The uptime and downtime times get logged in the same Google Docs sheet so you can use that data to analyze the performance of your web hosting company.

Related project: Get SMS Alerts for Import Gmail Messages

SMS Text Alerts - Website Monitor

Get SMS alerts when your websites go down.

How Website Monitor works?

Internally, there’s a simple Google Script attached to the Google Docs sheet that does the monitoring.

The script invokes itself every 5 minutes, with the magic of Script Triggers, and then tries to fetch your website using URLFetchApp.fetch (a Google function similar to wget or curl). If the HTTP response code is anything other than 200, it indicates that there’s an issue with the underlying website.

How SMS Alerts Are Sent via Google

Google Apps Script can send email messages but the script employs a workaround for sending text messages.

It creates a regular event in your Google Calendar but with an SMS reminder  - the event is set to expire in 30 seconds and thus you get an instant text alert on your mobile. If you aren’t getting text alerts on your phone, please ensure that your phone number is associated with Google Calendar as detailed in this tutorial.

See more Google Docs tips & tricks.

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Digital Inspiration @labnolThis story, Monitor your Website’s Uptime with Google Docs, was originally published at Digital Inspiration on 14/02/2013 under Google Docs, Internet.

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