Useful online tools
Explore a variety of online tools for testing device resolutions, validating sitemaps, checking DNS configurations, measuring internet speed, and more. These resources can help optimize web performance and troubleshoot server issues.
| Tool | Description | Link(s) |
| Screenfly | Test site on different devices at different resolutions. | http://quirktools.com/screenfly/ |
| Site Map | Test to see if the sitemap.xml is valid XML. | http://www.validome.org/google/validate |
| CSS Table Templates | Ready made CSS table templates. | http://icant.co.uk/csstablegallery/index.php |
| CSS Properties | Full list of the CSS properties. | http://www.w3schools.com/Css/css_reference.asp |
| DNS Tools | Target your domain name using free DNS reports. Check DNS configuration. | http://thednsreport.com/ http://www.intodns.com/ http://www.kloth.net/services/nslookup.php |
| Speed Test | Test your Internet connection speed. | http://www.speedtest.net/ |
| Web Page Speed Test | Test how long your website takes to load. Slow pages can impact SEO. | http://www.iwebtool.com/ |
| Whats My IP | Shows your public IP address and provides port/site scanning tools. | http://www.whatsmyip.org/ |
| Visual Trace Route | Visualise the route your packets take across the Internet. | http://www.yougetsignal.com/tools/visual-tracert/ |
| Xirrus Cloud Designer | Design wireless deployments using Xirrus online tools. | https://wfd.cloud.xirrus.com/ |
| Online Port Testing | Check if a server port is open. | https://www.yougetsignal.com/tools/open-ports/ |
| Linux-Explorer | Script that collects Linux server hardware and software info for support purposes. | http://www.unix-consultants.co.uk/examples/scripts/linux/linux-explorer/ |
These articles are created by the engineers at EssingtonITS as part of our day-to-day work supporting real-world systems, projects, and deployments. From Linux administration and networking to Moodle, Docker, automation, and infrastructure management, our goal is to share useful knowledge that helps others solve problems faster and work more efficiently.
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