Website Migration Without Losing SEO: What to Do Before, During and After
Quick answer: Yes, you can move a website to a new platform and keep most of your Google traffic, if you keep your web addresses where possible, redirect every old page that changes, and check indexing afterward. What usually goes wrong is small and invisible: missing redirects, a setting left over from testing, or a wrong tag that tells Google to ignore pages. Careful work lowers the risk, but no one can promise rankings will never move.
I'm Anas, a full-stack Next.js developer. I build custom websites, SaaS products and premium templates. This guide is for owners of WordPress, Wix or older custom sites who are thinking of moving, and who want to know what can go wrong before they hire anyone.
What Does "Losing SEO" During a Migration Actually Mean?
SEO (search engine optimization) is the work that helps your pages show up in Google. Losing it during a move usually looks like one of these:
- Pages dropping out of Google. Pages that used to appear in search results disappear.
- Traffic falling for weeks. Visitors from Google decrease and take a long time to return.
- Broken links. Old addresses that used to work now show an error page, for visitors and for Google.
- Rankings sliding. Pages that were on the first page move down.
None of this is a mystery. It happens when Google arrives at a familiar address and finds something different, or nothing at all.
The Checklist Before the Move
Most of the safety comes from what you do before anything is built.
- List every page on your current site. Use a tool or your sitemap, which is a file that lists the pages of your site. You need to know what exists.
- Find your best pages. Look in Google Search Console, Google's free tool, for the pages that bring visitors and leads. Protect these first.
- Save your best content. Keep the text, headings and page titles that already work. A new design does not mean new wording everywhere.
- Record your numbers. Note your current traffic from Google and the rankings of your main pages. Without a before, you cannot judge the after.
- Keep your web addresses the same where possible. If a page lives at
/servicestoday, keep it at/services. Every address you keep is one less thing to redirect.
If you are also changing the design, what a website redesign costs explains how that affects the budget.
Redirects in Plain Language
A redirect is an automatic forward from an old web address to a new one. When someone, or Google, visits the old address, they are sent to the new page without noticing.
Every address that changes needs one. Here is what happens without it:
- A visitor clicking an old link from another website, an email or Google sees an error.
- Google finds that the page is gone and eventually removes it from search results.
- The standing that page earned over the years does not carry over to the new page.
Use a permanent redirect, which tells Google the move is for good and that it should treat the new address as the replacement. Match each old page to the most relevant new page, not to the homepage for everything.
The Technical Details That Quietly Cause Problems
These are the settings that nobody sees on the page but that decide what Google does.
Wrong canonical tags
A canonical tag is a hidden note on each page that tells Google which address is the "main" one for that content. If it points to the wrong place, Google may ignore the page you care about.
I know this one personally. On my own site, my blog pages were telling Google that their "main" address was the homepage, because of a canonical tag bug. It hurt their visibility for weeks until I fixed it. I explain how these tags work in canonical URLs explained. The lesson is that this kind of mistake can be invisible: the pages looked perfectly fine to a visitor.
"Noindex" left on from testing
While a new site is being built, it is often hidden from Google on purpose with a setting called noindex. If that setting is still on when the site goes live, Google is told to stay away from every page. It is one of the most common and most damaging migration mistakes, and it takes seconds to check.
Missing or wrong sitemap
Your sitemap is a list of your pages for Google. A new site needs an updated one, with the new addresses, submitted to Google Search Console.
Blocked crawling
A file called robots.txt tells Google which parts of your site it may visit. A leftover "block everything" rule from the testing stage can keep Google out entirely.
My own experience is a good reason to include a technical check before launch and another after it.
After Launch: What to Check in the First 2 to 4 Weeks
Launch day is not the finish line. Watch these:
- Indexing. In Google Search Console, confirm that your key pages are indexed and that no errors are piling up.
- Traffic. Compare visits from Google with the numbers you saved before the move.
- Broken pages. Look for error pages and fix any missing redirects.
- Rankings. Check the positions of your main pages.
- Speed and mobile. Confirm the new site is faster on a phone, since that is a main reason for moving.
What is normal: a small dip in traffic for a short time is common after a site changes, because Google needs time to visit and understand the new pages. A slow recovery within a few weeks is expected. A steep, lasting fall is a sign that something is wrong and needs checking quickly.
For a comparison of how different platforms approach this, see Next.js vs WordPress for SEO.
What Does a Website Migration Cost?
The price depends on four things:
- Number of pages. Every page has to be moved, checked and redirected where needed.
- The platform you are moving from. Some platforms make exporting content easy, others do not.
- Design changes. Moving the same design costs less than moving and redesigning at once.
- Content cleanup. Old, duplicate or outdated pages take time to review and decide on.
Migration work I offer: moving your content, setting up redirects, keeping your web addresses, fixing page titles and descriptions, and checking indexing after launch. Platforms I migrate from: WordPress, Wix and older custom-built sites. How I quote: per project, after I review your site. Small to medium sites usually fall between $500 and $3,000. Typical timeline: 1 to 4 weeks.
Who This Is For
This is for an owner of a WordPress, Wix or older custom site who is thinking about moving to a faster platform or rebuilding, and who is worried about losing their Google traffic.
Who This Is Not For
If your site gets almost no visitors from Google, there is little traffic to protect, and speed and design matter more. This is also not for you if you plan to delete most of your content, because that is a different decision with a different risk.
What to Prepare Before Asking for a Quote
- Your current site link.
- The number of pages, roughly.
- How much traffic comes from Google, if you can see it in Search Console.
- Your best pages, if you know them.
- Your deadline, and why.
- Your budget range.
- Access to your accounts. Know who controls your domain, hosting and Search Console.
Frequently Asked Questions
Will my rankings drop after a website migration?
They can, briefly. A small dip is common while Google visits and understands the new pages. Keeping addresses, adding redirects and checking indexing reduce the risk of a larger or lasting drop, but no one can promise that nothing will move.
How long until Google picks up the new site?
It varies. Google can take days to weeks to visit and process your pages. Submitting your sitemap and checking Search Console helps you see progress and spot problems.
Do I need to keep my old site running after the move?
Keep it available until the new site is live and checked, and keep a backup afterwards. Keep your domain and your redirects active for a long time, because old links will keep arriving.
Is it better to move everything at once or in stages?
For a small site, one move is usually simpler. For a large site with many pages, moving in stages can make problems easier to find. The right choice depends on the size and complexity of your site.
What to Send Me
If you are planning a website migration and want a safe plan, send me your current site link, how many pages you have, how much traffic you get from Google, your deadline and your budget range. I will tell you honestly what the risks are, what I would check first, and whether a move is worth doing now.
You can see what I take on at my services page, then send your details through pixelanas.com/contact.
Anas, full-stack Next.js developer building custom websites, SaaS products and premium templates.
