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Uncover Hidden Errors on Your Website: Become a Web Detective Today

Hello there! Ever wondered why your website might not be getting the traction or conversions you'd hoped for? Often, the devil lies in the details – hidden errors that are quietly eroding your user experience.

Today, I'll guide you on a journey to uncover these sneaky culprits, leaving no stone unturned. We’ll act as web detectives, ensuring your website runs smoothly and efficiently. Get ready to improve your site's performance, impress visitors, and boost your rankings!

The Quest for the Perfect Website: Discovering & Fixing Errors

Spotting HTML/CSS Errors

HTML and CSS form the foundation of your website. A tiny mistake in these can cause significant problems. Luckily, tools like the W3C Markup Validation Service can help you spot these issues.

Here's how to use it:

  1. Go to the W3C Markup Validation Service.

  2. Enter your website's URL.

  3. Review the results for potential errors.

For instance, a missing closing tag or incorrectly nested tags could cause parts of your site not to display properly. Once you've identified these issues, it's time to dive into your site's code and correct them.

Identifying JavaScript Errors

JavaScript is what brings your website to life. But when it breaks, it can lead to an unresponsive or malfunctioning website. Tools like Chrome's JavaScript Console can help you find and fix these problems.

Here's how you can use it:

  1. Open your website in Chrome.

  2. Right-click anywhere on the page and select 'Inspect'.

  3. Click on the 'Console' tab to view any JavaScript errors.

Examples of JavaScript errors might include Uncaught TypeError or ReferenceError. Identifying these errors can help improve your site's functionality and performance.

Uncovering SEO Mistakes

SEO mistakes might not be immediately visible but can greatly affect your site's visibility on search engines. Tools like Ahrefs or SEMRush can help identify such issues.

Steps to use these tools:

  1. Set up your website on your chosen platform.

  2. Run a site audit to identify SEO errors.

  3. Follow the recommendations provided to correct the errors.

These tools can help identify issues like duplicate content, broken links, or missing meta descriptions, and offer solutions to fix them.

Detecting Speed & Performance Issues

Page speed is a critical factor for both user experience and SEO. Slow loading times can frustrate users and lower your search rankings. Tools like Google's PageSpeed Insights can help uncover these issues.

Here's how you can use it:

  1. Visit Google PageSpeed Insights.

  2. Enter your website's URL.

  3. Review the results and implement the recommended fixes.

Common speed and performance issues might include unoptimized images, render-blocking resources, or too many HTTP requests.

Checking Mobile Responsiveness

In today's mobile-centric world, your website needs to work flawlessly on all devices. You can check for mobile responsiveness issues using Google's Mobile-Friendly Test tool.

Steps to use this tool:

  1. Visit Google's Mobile-Friendly Test tool.

  2. Enter your website's URL.

  3. Review the results and address any issues.

Issues like small fonts, clickable elements too close together, or content wider than the screen can all harm your mobile user experience.

Scanning for Security Issues

Maintaining a secure website is critical for protecting your users and your data. Tools like Mozilla's Observatory can help identify potential security vulnerabilities.

Here's how to use it:

  1. Visit Mozilla Observatory.

  2. Enter your website's URL.

  3. Review the results and implement any necessary security fixes.

Security issues might include missing security headers, vulnerable software, or weak encryption algorithms.

Assessing User Experience (UX)

Lastly, user experience plays a huge role in the success of your website. Tools like Hotjar or Crazy Egg can provide valuable insights into how users interact with your site.

Steps to use these tools:

  1. Set up your website on your chosen platform.

  2. Review the heatmap and user recordings to understand user behavior.

  3. Make necessary changes based on these insights.

Issues like poor navigation, lack of clear call-to-action, or confusing layouts can all affect the overall user experience of your site.

Harnessing Browser Developer Tools

Besides specialized tools, the built-in developer tools in modern browsers like Chrome, Firefox, or Safari are also quite robust. These tools allow you to inspect HTML, CSS, and JavaScript code, debug issues in real-time, view server responses, and much more.

Here's how to make use of them:

  1. Open your website in your chosen browser.

  2. Right-click anywhere on the page and select 'Inspect' (the wording might vary slightly between browsers).

  3. Use the different tabs to check for various issues – 'Elements' for HTML/CSS, 'Console' for JavaScript errors, 'Network' for server responses, etc.

For instance, the 'Network' tab can show if certain resources failed to load, while the 'Console' tab can highlight any JavaScript exceptions.

Exploring Web Analytics

Web analytics tools like Google Analytics provide a wealth of information about your site's performance and user behavior. These insights can help you identify potential problem areas that might not be immediately apparent.

Steps to explore these insights:

  1. Set up Google Analytics on your website if you haven't done so already.

  2. Review key metrics such as bounce rate, exit pages, session duration, etc.

  3. If any of these metrics are significantly worse than your overall averages, inspect these pages for potential issues.

For example, a high bounce rate might indicate issues with content relevance, page layout, load speed, or other user experience factors.

Regularly Updating Your Website

Ensuring that your website, including its plugins and themes, is up-to-date is crucial. Outdated software can have vulnerabilities that can be exploited, and may also not function correctly with newer browser versions.

Here's a general way to ensure your site is up-to-date:

  1. Regularly check for updates from your CMS (like WordPress), your theme, and your plugins.

  2. Review the changelog to understand what the updates include.

  3. Backup your website before applying any updates.

  4. Apply the updates in a controlled manner, checking for any issues after each update.

By staying updated, you'll not only keep your website secure but also benefit from the latest features and improvements.

Using User Feedback to Identify Errors

Don't underestimate the value of user feedback in identifying and rectifying website errors. Your users are on the front lines, interacting with your website in ways you may not have anticipated.

Here's how to make use of user feedback:

  1. Set up mechanisms for user feedback on your website - this could be through a simple form or via an email link.

  2. Regularly review the feedback received for issues or complaints.

  3. Investigate any issues reported - sometimes, a single user's feedback might highlight an issue affecting many others.

For instance, a user might report difficulty finding specific information on your site, indicating potential issues with your site's navigation or structure.

Automated Testing for Regular Checks

Implementing automated testing can help you keep regular checks on your website's performance and functionality. Automated testing can simulate user interactions and verify the expected outcomes, allowing you to catch errors proactively.

Here's how you could set this up:

  1. Identify key user journeys on your site, such as signing up for a newsletter or completing a purchase.

  2. Using a tool like Selenium or Puppeteer, script these journeys to run automatically at regular intervals.

  3. Monitor the results and investigate any failed tests.

Automated tests can help you ensure that critical functionality, like checkout processes or contact forms, is always working as expected.

Accessibility Checking

Accessibility is a critical aspect of website design, ensuring that your site can be used by everyone, including those with disabilities. Tools like the WAVE Web Accessibility Tool can help you check your site for accessibility issues.

Steps to use this tool:

  1. Visit the WAVE tool.

  2. Enter your website's URL.

  3. Review the results and fix any identified accessibility issues.

Common accessibility issues might include missing alt text for images, poor color contrast, or lack of keyboard accessibility. Making your website more accessible not only improves usability for all visitors but also aligns with legal standards in many regions.

Proactively Monitoring for Website Downtime

Website uptime is critical. You don't want your users to visit your website only to find that it's down. That's why proactive monitoring is crucial. Tools like Uptime Robot or Pingdom can help you stay on top of your website's uptime.

Steps to set up uptime monitoring:

  1. Set up an account with your chosen tool.

  2. Add your website for monitoring.

  3. Configure alerts to be notified immediately if your site goes down.

These alerts can help you act swiftly to address the issue, minimizing the downtime your users experience.

Monitoring and Optimizing Server Resources

If your server is constantly running at full capacity, it can cause your website to slow down or even crash. Regularly monitoring and optimizing server resources can help prevent this.

Steps to monitor server resources:

  1. Use a tool like New Relic or Datadog to monitor server resources such as CPU usage, memory usage, and disk space.

  2. Regularly review this data to identify any trends or issues.

  3. If resources are consistently running high, consider optimizing your server configuration or upgrading your hosting plan.

For example, a spike in CPU usage might indicate a poorly optimized query on your website or an increase in traffic that your current server can't handle.

Reviewing Error Logs

Error logs are a treasure trove of information when it comes to identifying website errors. These logs capture detailed information about the errors encountered by your website.

Steps to review error logs:

  1. Depending on your server setup, you may be able to access error logs via your hosting control panel, or you might need to access them directly on the server.

  2. Regularly review these logs for any errors.

  3. Investigate any recurring or critical errors to identify and fix the underlying issue.

For instance, a "500 Internal Server Error" in your logs might indicate a problem with your website's code, while a "404 Not Found" error might highlight broken links on your site.

Social Media Feedback and Reviews

Don't overlook the value of social media in identifying issues with your website. Users are quick to share their experiences (both good and bad) on platforms like Twitter, Facebook, and LinkedIn.

Here's how you can harness this information:

  1. Monitor your brand mentions on social media.

  2. Watch out for any user complaints or issues related to your website.

  3. Follow up promptly to address their concerns and fix any issues.

For instance, if several users are tweeting about a broken feature on your website, it's a clear signal you need to investigate and resolve the problem.

Implementing A/B Testing

A/B testing allows you to compare two different versions of a webpage to see which one performs better. This can be particularly helpful in identifying design or content issues on your website.

Steps to implement A/B testing:

  1. Choose a tool like Optimizely or Google Optimize for your A/B testing.

  2. Identify a page you want to test, and create two versions of it.

  3. Run your A/B test and analyze the results to understand which version is more successful.

For instance, if you're not sure whether a long-form or short-form landing page would be more effective, A/B testing can help you decide.

Regularly Updating and Checking Content

Your website's content plays a significant role in user experience and SEO. Outdated, incorrect, or low-quality content can hurt your website's performance.

Steps to keep your content fresh and error-free:

  1. Regularly review your website content to ensure it's up-to-date and accurate.

  2. Use a tool like Grammarly to check for any spelling or grammatical errors.

  3. Check for broken links using a tool like Ahrefs.

This practice ensures that your content is not only error-free but also relevant and valuable to your users.

Running a Mobile-Friendly Test

As more and more users access websites from their mobile devices, it’s crucial that your website performs optimally on smaller screens. Google’s Mobile-Friendly Test can help identify any mobile usability issues.

Steps to run this test:

  1. Visit Google's Mobile-Friendly Test.

  2. Enter your website's URL.

  3. Review the results and address any issues found.

Common issues might include small font sizes, clickable elements too close together, or content wider than the screen.

Keeping Track of Search Console Errors

Google Search Console is a valuable tool that helps you understand how your site is performing in Google search results. It also alerts you to any errors that Google encounters when crawling your site.

Steps to keep track of these errors:

  1. Set up Google Search Console for your website if you haven't already.

  2. Regularly check the 'Coverage' report for any crawl errors.

  3. Address these errors promptly to ensure Google can effectively crawl and index your site.

These errors might include server errors, redirect errors, or issues with your robots.txt file.

Monitoring Website Speed

A slow website can frustrate users and potentially harm your search engine rankings. Tools like Google PageSpeed Insights or GTmetrix can help you monitor your website's speed and identify any performance issues.

Steps to monitor website speed:

  1. Enter your website's URL in your chosen tool.

  2. Review the results, paying attention to both the overall score and the specific issues flagged.

  3. Implement the recommended fixes to improve your website's speed.

Issues might include large images, render-blocking resources, or server response times.


The quest for a flawless website is an ongoing journey. It requires you to don multiple hats – the vigilant monitor, the insightful analyzer, the problem-solving fixer. It might seem challenging, but remember, each error you find and fix makes your website better.

It improves user experience, boosts SEO, and makes your website a place where your audience loves to be. So go ahead, continue your pursuit of perfection.

With the strategies and tools in this guide, you’re well-equipped to keep your website at its best. Keep discovering, keep improving, and enjoy the journey!

Tarikul islam

About Torikul islam

Torikul islam is a professional web developer and affiliate marketer. Join Torikul to learn how to start a website and operate it well. He started his Web Developement career from Bangladesh Association of Software and Information (BASIS) in 2015. Later he continiued his journey to expanding knowledge and sharing it with others.

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