How to Test and Check a Web Page for Errors

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Regular Monitoring: – Utilize website monitoring tools like Google Search Console, Bing Webmaster Tools, or third-party services like SEMrush, Moz, or Ahrefs. These tools can alert you to various technical issues such as crawl errors, broken links, server errors, etc.

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Check for Broken Links: – Broken links can harm user experience and SEO. Use tools like Screaming Frog, Xenu Link Sleuth, or online link checkers to scan your website for broken links and fix them promptly.

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Inspect Page Loading Speed: – Slow loading times can frustrate users and negatively impact SEO. Tools like Google PageSpeed Insights, GTmetrix, or Pingdom can help you analyze page loading speed and identify areas for improvement.

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Test Website Responsiveness: – Ensure your website is responsive across various devices and screen sizes. Use tools like Google's Mobile-Friendly Test or BrowserStack to check how your website renders on different devices and browsers.

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Review Code for Errors: – Regularly review your website's HTML, CSS, and JavaScript code for any syntax errors, deprecated tags, or inefficient code. Use browser developer tools (e.g., Chrome DevTools) to inspect and debug code issues.

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Validate Markup: – Validate your website's HTML markup using tools like W3C Markup Validator. This helps ensure compliance with web standards and identifies any structural errors in your code.

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Check for Server Errors: – Monitor server logs for any error messages or anomalies. Common server errors include 404 (Page Not Found), 500 (Internal Server Error), and 503 (Service Unavailable). Address these errors promptly to maintain website accessibility.

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Perform Security Audits: – Regularly conduct security audits to identify vulnerabilities such as outdated software, insecure configurations, or potential security breaches. Tools like OWASP ZAP or Qualys Web Application Scanning can assist in detecting security issue

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Utilize Error Tracking Tools: – Implement error tracking tools like Sentry, Rollbar, or Bugsnag to automatically detect and log errors occurring on your website. These tools provide detailed insights into the root causes of technical issues and help prioritize fixes.

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