Redesigning without losing rankings (301 redirects)

Website redesign and SEO come up together every time a site gets a new look: will the new site keep the old one's rankings? A 301 redirect tells browsers and search engines that a URL has permanently moved to a new address. When you change your menu structure, page names or platform, old URLs stop existing, and with them go links from other sites, customers' bookmarks and your history in Google. Well-planned redirects carry that value over to the new URLs. This guide walks through a redesign step by step, from URL inventory to post-launch monitoring.

Key takeaways

• Every old URL that had traffic, links or rankings should 301-redirect to the most relevant new page.
• A 301 redirect signals a permanent move and a 302 a temporary one, which is why redesigns use 301.
• Redirecting all old URLs to the homepage is a mistake, because Google may treat them as pages that no longer exist.
• Redirect chains (A → B → C) slow the site down and should be collapsed into a single hop.
• After launch, monitor 404 errors, indexing and organic traffic in Google Search Console for several weeks.

Website redesign and SEO: what can go wrong

Google attaches ranking signals to specific URLs. If after a redesign /services/websites/ becomes /what-we-do/web-design/ with no redirect between them, search engines see two unrelated pages. The old one returns 404 and eventually drops out of the index; the new one starts from zero. The most common causes of post-redesign drops are:

• missing redirects from old URLs,
• deleting content that drove traffic because it "did not fit the new design",
• lost meta titles and descriptions,
• a noindex tag or robots.txt block carried over from staging to production,
• changed internal linking that buries important pages.

301, 302 and other status codes

A redesign almost always calls for 301s. A 404 is not an error in itself if a page is truly gone with no sensible equivalent, but it should never apply to URLs that brought in traffic.

Step 1: inventory your old URLs

Before changing anything, build a complete list of current URLs. Sources:

• your current XML sitemap,
• page exports from Google Search Console (performance and indexing reports),
• Google Analytics data on organic landing pages,
• a crawl with an SEO tool, which also finds URLs missing from the menu,
• a list of pages with external backlinks, if you have a link analysis tool.

Put everything in a spreadsheet. For each URL, note traffic, link count and whether the page will stay, move, merge or disappear.

Step 2: build the redirect map for your site redesign

A redirect map is a spreadsheet with two columns: old URL and new URL. The rule is simple: every old URL points to the page that best matches its content.

• An old service page points to the new page for the same service.
• Two merged articles point to the new combined article.
• A discontinued service points to the closest related category, not the homepage.

Redirecting everything to the homepage is one of the most common mistakes. Google treats such redirects like pages that have ceased to exist, so the old URLs' value does not carry over.

Redirect chains and loops

If the site has been redesigned before, some URLs may already carry old redirects. New rules can then create a chain: A → B → C. Each extra hop slows loading, and long chains may not be followed all the way by crawlers. Update old rules so they point straight to the final URL. Also check for loops, where two URLs redirect to each other.

Step 3: carry over content and metadata

A redirect passes signals, but it does not replace content. If an old page ranked thanks to a detailed description and the new one has three sentences under a large photo, a drop is likely. Move key content, headings, meta titles and descriptions, image alt text and structured data. Check internal links too: the new menu and content should point directly at new URLs, not at redirects.

Redesigns combined with a domain or platform change

The riskiest redesign changes domain, platform and URL structure all at once. Each change alone is manageable, but together they make diagnosis hard when something breaks. If you can, stage the work: move to the new platform with URLs unchanged first, then restructure later. When changing domains, 301-redirect every URL from the old domain and use the Change of Address tool in Google Search Console.

Step 4: test before and after launch

1. On staging, check the most important few dozen redirects by hand or with a crawler.
2. Make sure staging is blocked from crawlers and production has no noindex.
3. After launch, crawl the list of old URLs and confirm each returns a 301 to the right target, and each target returns 200.
4. Submit the new sitemap in Google Search Console.
5. Check key pages with the URL Inspection tool.

Monitoring after a redesign: the first weeks

Ranking fluctuations for a few weeks after a redesign are normal, since Google has to reprocess the URLs. Drops that do not recover, or that hit specific sections, are the warning sign. Daily for the first week, then weekly, check:

• the Page indexing report and new 404 errors in Search Console,
• organic traffic to key pages compared with the period before the change,
• rankings for your key phrases.

Do not remove redirects after a few weeks. Backlinks and bookmarks can point to old URLs for years, so keep the rules in place permanently.

How LessCMS handles it

• Changing a page or entry slug automatically creates a 301 redirect from the old URL to the new one, so small renames do not leave 404s behind.
• You add and edit 301 redirects in the panel, with no server access needed.
• A redirect map prepared in a spreadsheet can be imported from CSV, and existing rules can be exported to CSV for review or archiving.
• The new sitemap and robots.txt are generated automatically, and if you are moving from another platform, we will migrate your site for you. See SEO features and LessCMS for SEO specialists.

Frequently asked questions

Will a website redesign hurt my Google rankings?

Not necessarily, if you keep your content and set up 301 redirects from every important old URL. Short-term fluctuations are normal, but lasting drops usually come from missing redirects or deleted content.

How long should I keep 301 redirects after changing URLs?

Ideally, permanently. Google recommends keeping them for at least a year, but backlinks and bookmarks can point to old URLs for much longer.

Do 301 redirects pass all SEO value?

Google has confirmed that 301 redirects do not cause a loss of PageRank. The condition is that the new page matches the content of the old one.

Can I redirect all old URLs to the homepage?

It is not recommended. Google may treat such redirects as 404s, so each URL should point to the most relevant new page.

How do I check that my redirects work?

Crawl the list of old URLs with an SEO crawler or check them in your browser's developer tools. Each should return a 301 and reach a page returning 200 in a single hop.

Planning a redesign and want to keep your rankings? See LessCMS plans and create an account, no card required.