Website Development Checklist Before Launch

Making a website live is not just the work of preparing all the pages and uploading them to the server. There are many technical, design, security, SEO, performance and usability-related things to check before the website is launched.
If a significant problem comes up after launch, it can have an impact on user experience, business inquiries, search visibility, and brand image.
Many times during website development, developers pay so much attention to functionality and design that small but important parts are missed. The contact form does not work, the layout on the mobile is broken, the images are too large, the old URLs are not redirected, the favicon is not installed, the analytics tracking does not work, or the necessary settings for search engines are wrong.
That's why it's useful to use a systematic checklist before launching a website. This helps the team ensure that the website is not only ready to be viewed, but also ready for actual use.
Let's know what are the important things to check before launching a website.
Website Launch Checklist at a Glance
| Area | What to Check |
|---|---|
| Pages | All required pages are complete |
| Navigation | Menus and links work correctly |
| Mobile | Website works properly on different screen sizes |
| Performance | Pages, images and scripts are optimized |
| Forms | Forms submit correctly and notifications work |
| Buttons & CTA | Important buttons and actions work |
| Links | Internal and external links are checked |
| 404 Page | Missing or incorrect URLs are handled |
| User Journey | Complete user flows are tested |
| SEO | Titles, meta descriptions, sitemap and other settings are checked |
| Security | HTTPS, admin access and security are reviewed |
| Analytics | Tracking is working correctly |
| Backup | Final backup is completed |
| Production | Production environment is tested |
| Monitoring | Post-launch monitoring is prepared |
1. Finally Review All the Pages of the Website
Make sure that all the necessary pages are present.
Check the following:
There is no blank page.
All headings are correct.
Content is complete.
The images appear correctly.
The buttons are in the right place.
Footer and header are displayed correctly on all pages.
No placeholder text exists.
Demo images or temporary content have been removed.
Re-review pages that have been changed several times during development.
Page Review Checklist
| Page Element | Check |
|---|---|
| Required Pages | All pages are available |
| Headings | Correct and complete |
| Content | Final content is present |
| Images | Images display correctly |
| Buttons | Correct position and functionality |
| Header | Displays correctly |
| Footer | Displays correctly |
| Placeholder Content | Removed |
| Demo Images | Removed |
| Recently Updated Pages | Rechecked |
2. Test Website Navigation
Navigation is one of the most important parts of the website. The user should reach from one page to another without confusion.
Click on all the navigation links.
Check:
Whether the logo is linked to the homepage.
Whether all the links in the main menu are working.
Whether the dropdown menus are opening correctly.
Whether the footer links are working.
Whether breadcrumbs are correct.
Whether the mobile menu is opening and closing correctly.
Whether there are unnecessary steps to access a page.
If a 404 error is occurring on a link, it should be fixed before launch.
3. Test the Website on Different Devices
Mobile testing must be done before launching the website.
Just by looking at the website in the desktop browser, it is not right to assume that the website will work fine on all devices.
Screen Sizes to Test
| Device | Main Areas to Check |
|---|---|
| Mobile Phone | Text, buttons, menu, forms and images |
| Tablet | Layout, spacing and navigation |
| Laptop | Content width and overall layout |
| Desktop | Full layout and functionality |
| Large Desktop Screen | Content width and large-screen layout |
Especially check whether:
The text is not cut.
The images are not going off the screen.
The buttons can be easily pressed.
The menu is opening correctly.
Forms are usable on mobile.
Tables are responsive when needed.
Horizontal scrolling is not happening unnecessarily.
It is better to test the entire user journey of the website on mobile, not just the homepage.
4. Check Website Performance
It is very important to check the performance of the website before launching.
Large images, unnecessary scripts, heavy animations, and poorly optimized code can make a website slow.
Performance Review Checklist
| Performance Area | What to Check |
|---|---|
| Page Loading Time | Check how quickly important pages load |
| Image Sizes | Make sure images are optimized |
| JavaScript | Check unnecessary scripts and execution |
| CSS | Check CSS loading |
| Server Response | Review server response |
| Caching | Confirm caching where required |
| Lazy Loading | Check lazy-loaded resources |
| Fonts | Check font loading |
| Third-Party Scripts | Review unnecessary external scripts |
Where possible, optimize images and remove files that are not needed by the website.
One important thing is that performance should not be checked only on the homepage. Key pages such as blog, product, service, and contact should also be tested.
5. Test All the Forms
Test the contact form, enquiry form, registration form, newsletter form and all other forms in a real way.
Check whether:
Required fields are working correctly.
The correct error is shown for an invalid email.
Validation is happening on empty fields.
The form is successfully submitted.
The email is reaching the correct address.
The data is being saved correctly in the database.
The success message is visible.
The user is getting clear information in case of an error.
Also confirm that the notification is actually reaching the person concerned by sending a test enquiry.
Form Testing Checklist
| Form Test | Check |
|---|---|
| Required Fields | Validation works |
| Invalid Email | Correct error is displayed |
| Empty Fields | Validation is displayed |
| Submission | Form submits successfully |
| Email Notification | Email reaches the correct address |
| Database | Submitted data is saved correctly |
| Success Message | Confirmation is visible |
| Error Message | User receives clear information |
| Notification | Responsible person receives the enquiry |
6. Check Buttons and Call-to-Action
All the important buttons on the website should be clicked.
For example, if a button appears but its link does not work, then the user journey may be affected.
The call-to-action should also be clear so that the visitor understands what they have to do next.
CTA Testing
| CTA Type | What to Check |
|---|---|
| Contact Us | Opens the correct contact option |
| Get a Quote | Leads to the enquiry process |
| Buy Now | Opens the correct purchase flow |
| Book Now | Opens the booking process |
| Submit | Successfully submits the form |
| Learn More | Opens the correct information |
7. Check for Broken Links
The website can have both internal and external links. Check all the important links before the launch.
In particular, test:
Internal page links
Blog links
Product links
Service links
Download links
Social media links
Email links
Phone links
If an old URL has been deleted, it can be redirected to the relevant new URL as per the requirement.
Link Testing Checklist
| Link Type | Check |
|---|---|
| Internal Links | Pages open correctly |
| Blog Links | Articles open correctly |
| Product Links | Product pages work |
| Service Links | Service pages work |
| Download Links | Files download correctly |
| Social Links | Correct social profiles open |
| Email Links | Email application opens |
| Phone Links | Correct phone action works |
8. Create a 404 Page
Sometimes the user may open the wrong URL or an old page may not be available.
In this case, a proper 404 page can help the user understand that the requested page is unavailable and guide them toward other relevant parts of the website.
The 404 page should be checked before launch to ensure that it displays correctly and provides useful navigation options.
9. Test the Complete User Journey
Testing individual pages is important, but testing the complete user journey can reveal problems that are not visible when testing different pages separately.
For example, if the website is an e-commerce website, the complete journey can be:
Homepage → Product → Product Detail → Cart → Checkout → Payment → Confirmation
Similarly, a contact process can be:
Contact → Form Submit → Confirmation
Testing the entire journey from beginning to end can reveal problems between different parts of the website.
User Journey Testing
| User Journey | Steps to Test |
|---|---|
| Contact | Contact → Form Submit → Confirmation |
| E-commerce | Homepage → Product → Product Detail → Cart → Checkout → Payment → Confirmation |
| Registration | Registration → Validation → Account Creation → Confirmation |
| Download | Page → Download Button → File Download |
10. Check SEO Settings Before Launch
Search engine-related settings should be checked before the website goes live.
The following areas should be reviewed:
| SEO Element | What to Check |
|---|---|
| Page Titles | Titles are added correctly |
| Meta Descriptions | Important pages have descriptions |
| Heading Structure | Heading hierarchy is correct |
| Image Alt Text | Important images have alt text |
| Sitemap | Sitemap is prepared and checked |
| Robots.txt | Robots settings are correct |
| Canonical URLs | Canonical URLs are configured where required |
| Old URLs | Required redirects are implemented |
The website should also be reviewed to ensure that temporary or development settings do not prevent search engines from accessing the required pages.
11. Check Security and Access
Security should also be reviewed before the website launch.
Check:
HTTPS is working.
Admin access has been tested.
Database access is working correctly.
APIs are working as expected.
Required security settings are enabled.
Backup has been completed.
Security Checklist
| Security Area | Check |
|---|---|
| HTTPS | Website loads securely |
| Admin Access | Login works correctly |
| Database | Database connection works |
| APIs | Required APIs work |
| Access Control | Correct users have access |
| Backup | Final backup is completed |
12. Check Analytics and Tracking
Analytics tracking should be tested before launch so that user activity can be monitored after the website goes live.
Check whether:
Analytics is installed.
Tracking is working.
Important events are being recorded where required.
Forms and conversions can be monitored where required.
This makes it easier to monitor website performance and user activity after launch.
13. Check Favicon, Social Sharing and Legal Pages
Small elements can easily be missed during development, but they should also be reviewed before launch.
Check that:
Favicon is added.
Social sharing preview is working.
Legal pages have been added.
Content is proofread.
Dummy content has been removed.
14. Check Domain, Hosting and Production Environment
Before launching the website, make sure the domain and hosting configuration are ready.
Check:
Domain is correctly configured.
Hosting is working.
Production environment is tested.
Database is connected correctly.
APIs are connected correctly.
SSL/HTTPS is working.
The final website is running correctly in the production environment.
15. Prepare for Monitoring After Launch
Testing does not end even after the website is live.
Specifically monitor in the first few days:
| Monitoring Area | What to Watch |
|---|---|
| Website Uptime | Whether the website remains accessible |
| Server Errors | Unexpected technical errors |
| Form Submissions | Whether enquiries are being received |
| Traffic | Website visitor activity |
| Broken Links | Newly discovered broken links |
| Search Indexing | Whether required pages are being indexed |
| Page Performance | Loading and performance issues |
| Security Alerts | Unexpected security problems |
If an unexpected problem arises, it can be quickly identified and fixed.
Complete Website Launch Checklist
This checklist can be easily copied and used before launching a website:
| No. | Checklist Item |
|---|---|
| 1 | All pages are complete |
| 2 | Navigation tested |
| 3 | Mobile responsive design tested |
| 4 | Desktop layout tested |
| 5 | Website speed checked |
| 6 | Images optimized |
| 7 | Forms working |
| 8 | Email notifications working |
| 9 | Buttons tested |
| 10 | Internal links checked |
| 11 | External links checked |
| 12 | 404 page ready |
| 13 | Page titles added |
| 14 | Meta descriptions added |
| 15 | Heading structure checked |
| 16 | Alt text added |
| 17 | Sitemap checked |
| 18 | Robots.txt checked |
| 19 | Canonical URLs checked |
| 20 | HTTPS working |
| 21 | Security review completed |
| 22 | Admin access tested |
| 23 | Database tested |
| 24 | APIs tested |
| 25 | Analytics working |
| 26 | Social sharing preview checked |
| 27 | Favicon added |
| 28 | Legal pages added |
| 29 | Content proofread |
| 30 | Dummy content removed |
| 31 | Backup completed |
| 32 | Domain checked |
| 33 | Hosting checked |
| 34 | Production environment tested |
| 35 | Final user journey tested |
| 36 | Launch monitoring ready |
Final Website Launch Review
Before making the website live, the development team can use the following final review:
| Category | Ready When |
|---|---|
| Content | All final content is available and proofread |
| Design | Desktop and mobile layouts work correctly |
| Navigation | Menus, links and breadcrumbs work |
| Forms | All forms submit and notify correctly |
| Performance | Important pages have been tested |
| SEO | Required search engine settings are configured |
| Security | HTTPS, access and backups are ready |
| Functionality | Important features and integrations work |
| Analytics | Tracking is functioning |
| Production | Domain, hosting and production environment are ready |
| User Journey | Complete workflows have been tested |
| Monitoring | Post-launch monitoring is prepared |
Conclusion
Using a checklist before launching a website gives the development team the opportunity to review not only the design and functionality, but also important areas such as SEO, security, performance, accessibility, and user experience.
A website can be considered truly launch-ready when all its important pages and features are working, its experience on mobile and desktop is correct, forms and integrations have been tested, security and backup arrangements are ready, and the necessary settings related to search engines are configured correctly.
The most important thing is that the website launch should not be seen as the last technical step. The launch is the beginning of a new phase. After the website is live, it may be necessary to constantly monitor and update the performance, security, analytics, user feedback and content.
If everything is checked according to a systematic checklist before launch, it becomes quite easy to identify and fix small problems before they reach the users. This allows the website to be live in a more professional, reliable and useful way.
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