Seeing a “Not Secure” warning on your website can be frustrating, especially if you are a beginner website owner. You may worry that visitors will leave your site, avoid your forms, or think your website is unsafe.
The good news is that this problem is common, and in many cases, it can be fixed by setting up HTTPS correctly.
A “Not Secure” warning usually appears when your website does not have a secure connection, your SSL certificate is missing or expired, or some parts of your website still load through an unsecured connection.
Fixing this warning is important because website visitors expect a safe browsing experience. A secure website looks more professional, builds trust, supports SEO, and creates a better foundation if you want to apply for AdSense or grow your website in the future.
This beginner-friendly guide explains what causes the “Not Secure” warning and how to fix it step by step.
What Does the “Not Secure” Warning Mean?
The “Not Secure” warning means that the browser does not see a properly protected connection between the visitor and your website.
This does not always mean your website has been hacked. It usually means your website is not using HTTPS correctly.
HTTPS is the secure version of a website connection. It helps encrypt the information that moves between a visitor’s browser and your website server.
When HTTPS is missing or not working properly, browsers may show a warning to let visitors know that the connection may not be fully protected.
This warning is especially important if your website has:
Contact forms
Newsletter sign-up forms
Login pages
Comment sections
Account pages
Search boxes
Payment pages
Customer inquiry forms
If visitors see a warning before entering information, they may leave your website immediately.
Why Fixing the Warning Matters
Fixing the “Not Secure” warning is important for both visitors and website owners.
Visitors want to feel safe when they browse a website. If your site shows a warning, they may think your website is outdated, risky, or poorly maintained.
For website owners, this can lead to several problems:
Lower trust
Higher bounce rate
Fewer form submissions
Fewer email sign-ups
Less engagement
Lower conversion rates
Poor first impressions
Weaker user experience
If you are building a blog, business website, portfolio, or online store, trust matters. A secure website helps visitors feel more comfortable staying on your pages and interacting with your content.
Main Causes of the “Not Secure” Warning
Before fixing the issue, you need to understand what may be causing it. The warning can appear for several reasons.
The most common causes include:
No SSL certificate installed
Expired SSL certificate
Website still loading through HTTP
Missing HTTP to HTTPS redirect
Mixed content issues
Incorrect SSL setup
Old internal links
Domain mismatch
Hosting configuration problems
Cached old website data
Once you identify the cause, fixing the warning becomes much easier.
Step 1: Check If Your Website Has SSL Installed
The first step is to check whether your website has an SSL certificate installed.
An SSL certificate helps your website create a secure HTTPS connection. Without SSL, your website may only load through HTTP, which can trigger the “Not Secure” warning.
To check your website, open it in a browser and look at the address bar. If the website shows a secure connection, SSL may already be working. If it shows “Not Secure,” SSL may be missing or not configured correctly.
You should also check several pages, not only the homepage. Sometimes the homepage is secure, but other pages still have problems.
Check pages such as:
Homepage
Blog posts
Contact page
About page
Privacy Policy page
Category pages
Login page
Form pages
If many pages show the warning, SSL may not be installed correctly.
Step 2: Install an SSL Certificate
If your website does not have SSL installed, you need to install an SSL certificate.
Many hosting providers offer free SSL certificates for beginner websites. You may be able to enable SSL from your hosting dashboard. Some hosting providers install SSL automatically, while others require you to turn it on manually.
For most beginner blogs, personal websites, and small business websites, a free SSL certificate is usually enough.
A free SSL certificate is often suitable for:
Blogs
Portfolio websites
Informational websites
Small business pages
Beginner websites
Content-based websites
Larger businesses, online stores, or websites that handle sensitive customer information may need a more advanced SSL option.
After installing SSL, test your website again to make sure it loads securely.
Step 3: Renew an Expired SSL Certificate
If your SSL certificate has expired, your website may show a warning even if SSL was working before.
SSL certificates have expiration dates. When a certificate expires, browsers may no longer trust the connection.
To fix this, renew the SSL certificate through your hosting provider or certificate manager.
After renewal, check your website again. If the warning still appears, clear your website cache and browser cache, then test again.
To prevent this problem in the future, enable automatic renewal if your hosting provider supports it.
An expired SSL certificate can damage visitor trust quickly, so it is important to keep renewal active.
Step 4: Redirect HTTP to HTTPS
Installing SSL is not always enough. Your website also needs to send visitors to the secure HTTPS version automatically.
If visitors can still open the HTTP version of your website, they may continue seeing the “Not Secure” warning.
A redirect solves this problem.
A redirect tells browsers and search engines to use the secure version of your pages. This helps make sure visitors always land on the protected version of your website.
For example, when someone opens an old unsecured page, the website should automatically send them to the secure version.
This is important for:
User trust
SEO consistency
Better website structure
Avoiding duplicate versions
Preventing security warnings
If your hosting provider has an HTTPS redirect option, turn it on. If you use a website platform, check the site settings to make sure the secure version is selected.
Step 5: Fix Mixed Content Issues
Mixed content is one of the most common reasons a website still shows warnings after SSL is installed.
Mixed content happens when a secure page loads some files through an unsecured connection.
These files may include:
Images
Videos
Fonts
Scripts
Stylesheets
Embedded content
Tracking codes
Old media files
This means your main page may be secure, but some parts of the page are not. Browsers may warn visitors because the page is not fully protected.
To fix mixed content, update unsecured resources so they load securely.
Common places to check include:
Old image links
Theme files
Plugin settings
Embedded videos
Custom scripts
Menu links
Button links
Sidebar widgets
Footer links
Old blog posts
If you recently changed from HTTP to HTTPS, mixed content is very common. Updating old links can often solve the problem.
Step 6: Update Internal Links
Your website may have old internal links that still point to unsecured pages.
Internal links appear in many places, such as:
Blog posts
Navigation menus
Buttons
Footer sections
Sidebars
Image links
Related post sections
Category pages
If these links still use the unsecured version, visitors may be sent to pages that show warnings.
Updating internal links helps improve both security and SEO. It also makes your website more consistent and easier for visitors to use.
After switching to HTTPS, review important pages and make sure all internal links point to secure pages.
Step 7: Check Your Website Address Settings
Some website platforms allow you to set your main website address in the dashboard. If this setting still uses the unsecured version, your website may continue loading incorrectly.
Check your website settings and make sure the secure version is selected as the main address.
This is especially important if you use a content management system, website builder, or blogging platform.
If your platform has separate settings for site address and homepage address, make sure both are set correctly.
Wrong address settings can cause redirects, login issues, mixed content, or security warnings.
Step 8: Clear Website and Browser Cache
Sometimes the warning may continue to appear because old website data is cached.
A cache stores temporary versions of website files to help pages load faster. This is useful, but it can also show old versions of your website after you make changes.
After fixing SSL or HTTPS settings, clear your website cache.
You should also clear your browser cache or test the website in a private browsing window.
If you use a caching plugin, website optimization tool, CDN, or hosting cache, clear those as well.
After clearing cache, reload your website and check whether the warning is gone.
Step 9: Check for Domain Mismatch
A domain mismatch happens when the SSL certificate does not match the website address visitors are using.
Browsers may show a warning if the certificate is for a different version of the website.
This can happen when:
The SSL certificate does not cover all versions of your website
A subdomain is not included
The website address settings are wrong
The hosting account is connected incorrectly
The certificate was issued for the wrong domain
If you use subdomains, make sure your SSL certificate covers them. If your website uses multiple versions of a domain, make sure the correct one is selected as the main version.
A mismatch can be confusing for beginners, so contacting your hosting provider may be helpful if you are unsure.
Step 10: Test Your Entire Website
After making changes, test your website carefully.
Do not only check the homepage. A website can appear secure on the homepage but still have problems on blog posts, forms, categories, or older pages.
Test pages such as:
Homepage
Main blog posts
Old blog posts
About page
Contact page
Privacy Policy page
Category pages
Search pages
Login page
Newsletter forms
Landing pages
Make sure each page loads securely and does not show warnings.
Also test your website on different devices if possible. Check desktop, mobile, and tablet views.
A secure website should work properly for all visitors.
What If the Warning Still Appears?
If the warning still appears after you install SSL, enable HTTPS, fix mixed content, and clear cache, there may be a deeper configuration issue.
Possible causes include:
Incorrect server settings
Certificate chain problems
Plugin conflicts
CDN settings
Security tool conflicts
Wrong website address settings
Old redirects
Hosting misconfiguration
At this point, it may be best to contact your hosting provider. Many SSL issues can be checked from the hosting side.
Explain that your website still shows a “Not Secure” warning after SSL installation. Ask them to check the certificate, redirects, and HTTPS configuration.
For beginners, this is often the fastest way to solve the issue.
How to Prevent the Warning From Coming Back
After fixing the warning, you should take steps to prevent it from happening again.
Here are good habits to follow:
Keep SSL renewal active
Check your website regularly
Update old internal links
Avoid unsecured embedded content
Test new pages after publishing
Keep your website platform updated
Keep themes and plugins updated
Clear cache after major changes
Check forms and important pages
Monitor browser warnings
Website security is not a one-time task. It should be part of your regular website maintenance.
A few minutes of checking can prevent bigger trust problems later.
Why HTTPS Helps Visitor Trust
A secure HTTPS connection helps visitors feel safer on your website.
When people see that your website is secure, they are more likely to stay, read your content, and interact with your site. They may feel more comfortable submitting a form, signing up for updates, or returning later.
Trust is especially important for new websites because visitors do not know you yet.
HTTPS helps create a better first impression. It shows that your website is maintained and that you care about the visitor experience.
For blogs, business websites, and websites preparing for monetization, this trust can make a big difference.
Why HTTPS Supports SEO
HTTPS can support SEO because it helps create a safer and more reliable user experience.
Search engines want to show users helpful and trustworthy websites. A secure connection is one part of that experience.
However, HTTPS alone will not make your website rank high. You still need strong content and good website structure.
Important SEO elements include:
Helpful original content
Clear headings
Good keyword usage
Internal links
Fast loading speed
Mobile-friendly design
Easy navigation
Readable formatting
Useful answers
Secure connection
HTTPS is a technical foundation. It supports your site, but content quality is still the main reason people visit and stay.
Why This Matters Before Applying for AdSense
If you want to apply for AdSense, your website should look complete, safe, and useful.
A “Not Secure” warning can make your website look unfinished or unreliable. Even if your articles are good, a security warning can create a bad first impression.
Before applying for AdSense, make sure your site has:
A working HTTPS connection
Original articles
Clear categories
Easy navigation
A Privacy Policy page
An About page
A Contact page
No broken links
No copied content
No restricted content
A clean layout
A good mobile experience
Fixing the “Not Secure” warning is a smart step before applying. It helps your website look more professional and ready for real visitors.
Common Mistakes to Avoid
Many beginners make small mistakes when trying to fix HTTPS problems.
Avoid these mistakes:
Installing SSL but not enabling redirects
Only checking the homepage
Ignoring mixed content
Forgetting to renew SSL
Using old internal links
Not clearing cache
Ignoring browser warnings
Using unsecured embedded files
Leaving old HTTP pages available
Applying for AdSense before fixing security issues
These mistakes can make your website look incomplete or unsafe.
Taking time to fix them properly can improve trust and user experience.
Is Free SSL Enough to Fix the Warning?
For many beginner websites, free SSL is enough to remove the “Not Secure” warning and enable HTTPS.
Free SSL is often suitable for blogs, portfolios, small business websites, and general content websites.
However, larger websites may need a more advanced certificate. This may include online stores, membership websites, financial websites, or sites that handle sensitive customer information.
For most beginners, the first goal is simple: make sure the entire website loads securely through HTTPS.
Final Thoughts
The “Not Secure” warning can hurt your website’s trust, user experience, SEO foundation, and professional image. Visitors may leave your site quickly if they think it is unsafe.
The good news is that this warning is usually fixable.
To fix it, check whether your website has SSL installed, renew expired certificates, redirect HTTP to HTTPS, fix mixed content, update internal links, review website settings, clear cache, and test your entire website.
If the issue still appears, contact your hosting provider and ask them to check your SSL and HTTPS setup.
A secure website helps visitors feel safer and more confident. It also makes your site look more complete, professional, and ready for growth.
If you are building a blog, business website, or AdSense-ready site, fixing the “Not Secure” warning should be one of your first priorities.
FAQs About Fixing the “Not Secure” Warning
How do I fix the “Not Secure” warning on my website?
You can fix it by installing SSL, enabling HTTPS, redirecting HTTP to HTTPS, fixing mixed content, updating internal links, and making sure your SSL certificate is valid.
Why does my website still say “Not Secure” after installing SSL?
Your website may still have mixed content, missing redirects, cached old data, incorrect settings, or an SSL configuration problem.
Does “Not Secure” mean my website is hacked?
Not always. It usually means the website connection is not properly protected. However, you should still check your site for security issues.
Can I fix the warning with free SSL?
Yes, many beginner websites can fix the warning with a free SSL certificate if it is installed and configured correctly.
How do I know if my SSL certificate expired?
Your browser may show a warning if the certificate is expired. You can also check your hosting dashboard or certificate settings.
What is mixed content?
Mixed content happens when a secure page loads some files through an unsecured connection. This can cause browser warnings.
Do I need to redirect HTTP to HTTPS?
Yes. Redirecting HTTP to HTTPS helps make sure visitors always reach the secure version of your website.
Can the warning affect SEO?
Yes, it can indirectly affect SEO by hurting user trust and user experience. HTTPS also supports a strong technical SEO foundation.
Can the warning affect AdSense approval?
It may hurt the overall quality impression of your website. It is best to fix the warning before applying for AdSense.
Should I contact my hosting provider?
Yes, if you cannot fix the issue yourself. Hosting support can often check SSL installation, redirects, and server settings.