The Ultimate Monthly Website Maintenance Checklist

When’s the last time you checked in on your website’s health?

Share this:

By: Darren Coleshill on 22nd September 2025, 5 minute read

Minor issues like slow load times, broken links, and outdated plugins can pile up fast. Left unchecked, they quietly chip away at your site’s performance, damage your SEO, frustrate your users, and even cost you conversions.

In fact, studies show that 13% of users leave a website if it takes more than 2 seconds to load. That figure skyrockets to 40% if load time exceeds 3 seconds. That’s a lot of potential leads gone before they even see your content.

That’s why a proactive approach to website upkeep is so important. It’s not about fixing things when they break—it’s about making sure they don’t break in the first place.

This monthly website maintenance checklist will help you stay ahead of problems and keep your users happy.

Why Website Maintenance Matters for Marketers

Your website is the digital front door of your business. If it doesn’t perform well, it doesn’t matter how great your campaigns, content, or ads are—visitors will leave, and search engines will penalise you.

Here’s what regular maintenance impacts:

  • SEO: Search engines reward fast, secure, and well-maintained sites.
  • User Trust: A broken link or a 404 page erodes credibility instantly.
  • Security: Outdated plugins and expired SSL certificates are open invitations for hackers.
  • Conversions: Even a 1-second delay in load time can reduce conversions significantly.

Think of it like brushing your teeth—skip it, and you’ll eventually face bigger (and more expensive) problems.

Your Monthly Website Maintenance Checklist

Here are the essential tasks you should be performing every month to keep your site fast, secure, and search-friendly.

1. Check Your Site Speed

Speed is critical for both user experience and search rankings. Pages that load within 3 seconds have an average bounce rate of 8%, but if load time rises to 4 seconds, the bounce rate jumps to 24%.

Run speed tests with tools like PageSpeed Insights or GTmetrix. Look out for unoptimised images, unused scripts, or server issues, and fix them promptly.

2. Back Up Your Site

Crashes, bad updates, or even a cyberattack can take your site offline. Regular backups mean you can recover quickly.

If you’re on WordPress, plugins like UpdraftPlus or BlogVault make scheduled backups simple. Always store backups off-site (cloud storage or a secure server) for safety.

3. Perform Security Updates

Cyberattacks don’t just target big businesses. In fact, outdated CMS versions and plugins are the top entry point for hackers.

Update your CMS, plugins, and themes monthly. Use tools like Sucuri or Wordfence to monitor for suspicious activity and malware. Don’t forget to check your SSL certificate too.

4. Audit Your Plugins

Every plugin is a potential vulnerability. Review them monthly and remove anything you don’t use. If a plugin hasn’t been updated in months, it’s a red flag—ditch it.

Stick to well-supported plugins from trusted developers, and fully delete the ones you no longer need (deactivating isn’t enough).

5. Fix Broken Links

Nothing frustrates users—or Google’s crawlers—like hitting a 404 page.

Tools like Screaming Frog, Ahrefs, or Broken Link Checker can quickly scan your site and flag issues. Replace broken links, redirect old ones, and keep navigation smooth.

6. Review Content Analytics

Your content’s performance changes over time. Use Google Analytics 4 (GA4) and Google Search Console (GSC) to review traffic, bounce rates, keyword performance, and conversion rates.

This helps you identify underperforming content and spot opportunities to refresh or optimise existing pages.

7. Test the Checkout Process (E-commerce)

For online shops, the checkout flow is mission-critical. Almost 22% of shoppers abandon carts due to complicated or broken checkout processes.

Test your checkout monthly: add products, apply discounts, and complete the process as a customer would. Look for errors, slow pages, or confusing steps—especially on mobile.

Reviewing and Updating Your Checklist

As your website grows, so will your maintenance needs. New features, plugins, or integrations might mean additional checks are required. Review your checklist quarterly to keep it relevant, and make sure everyone on your team knows their responsibilities.

Website maintenance might seem tedious, but skipping it can cost you dearly:

  • Lost traffic
  • Lower rankings
  • Broken features
  • Security breaches

The good news? With a simple monthly checklist, you can avoid most of these problems and keep your website running smoothly.

Remember: a well-maintained website isn’t just about technology—it’s about protecting your brand, supporting your marketing, and making sure every visitor has the best possible experience.

“Website maintenance is like oiling the gears of your business—keep it running smoothly and it will carry you further, faster.”

While you are here, why not sign up to our newsletter?

PrimeStox

Case Study: PrimeStox

How we helped PrimeStox treble registrations while reducing spend in just two months.

Share this:

Darren Coleshill

Author

Darren Coleshill

Our leader in social media management, email marketing and CRM and Marketing Automation, Darren is responsible for The Marketing Eye being one of the few agencies in the UK able to offer full end-to-end customer journey management.

Campaign Manager / The Marketing Eye

Related Reading