Last Updated on May 18, 2025 by Kathrin Kirsch
You’ve poured your heart into building a website, published great content, and even nailed your design. But then, Google hits you with a cold, robotic response: Page indexing: not found 404.
Cue the panic.
But don’t worry! This error isn’t the end of the world – it’s actually quite common and totally fixable. In this guide, we’ll break down what not found 404 really means, why it happens, and exactly what you can do about it.
By the end of this article, you’ll not only understand the 404 not found meaning, but also be equipped with actionable solutions to tackle it like a pro.
Table of Contents
What Does “Page Indexing: Not Found 404” Mean?
When you see the warning Page indexing: not found 404 in Google Search Console, it simply means that Google tried to crawl a specific URL on your site but got a 404 not found code in response.
In plain English? The page doesn’t exist (at least, not where Google thought it would be).
Let’s break it down:
404 is an HTTP status code that signals: “The server can’t find the requested page.”
Not found literally means the content is missing.
This affects indexing because if Google can’t find the content, it won’t index it.
As a result, the page won’t show up in search results.
And here’s the kicker: having lots of 404 not found pages can hurt your SEO performance by wasting crawl budget and frustrating users.
The Meaning of 404 Not Found: Understanding the Code Behind the Message
Before we dive into fixes, it’s important to get the 404 not found meaning straight.
What is the 404 Not Found Code?
The 404 not found code is part of the HTTP response status code family. It means the server is reachable, but the page is not.
Here’s a simplified flow:
A user or bot (like Google) requests a URL.
The server responds: “Sorry, can’t find it” → code 404 not found.
The browser or bot logs the page as missing.
Real-world analogy?
Imagine you walk into a shop asking for a specific book, and the clerk replies, “We used to have it, but it’s not here anymore.” That’s your 404 error not found in action.
Common Reasons for Page Indexing: Not Found (404)
Let’s face it – websites are messy, dynamic, and ever-changing. That’s why 404 not found errors creep up more often than you’d think.
Here are the most common causes:
Deleted Pages – You removed old content but forgot to redirect it.
Typos in URLs – A misspelled link leads nowhere.
Broken Internal Links – Links pointing to pages that no longer exist.
Incorrect Canonical Tags – Search engines are sent to non-existent URLs.
Changes in URL Structure – You updated your permalinks but didn’t update internal references.
Migrated Content Without Redirects – Especially common during site redesigns or CMS switches.
🚨 SEO Impact of 404 Not Found Errors – Why You Should Care (Big Time)
You might think a this error is just a harmless technical hiccup. Maybe a page is gone, so what? But here’s the truth — if left unchecked, 404 errors can quietly ruin your SEO performance, damage your site’s credibility, and sabotage user experience.
Let’s break down exactly how 404 not found issues affect your SEO and why you should absolutely care.
1. 📉 Loss of Crawl Budget – Googlebot Wasting Time
What it means:
Google assigns a “crawl budget” to every site — basically the number of pages it’s willing to crawl in a given timeframe. If your site constantly serves code 404 not found responses, you’re wasting that budget.
Why it matters:
The more 404s Google encounters, the fewer valid pages it can crawl and index. That means your fresh, valuable content might not get indexed quickly (or at all).
Example:
You have 150 pages, but 60 of them are outdated URLs still linked internally. Googlebot tries crawling them, gets 404 not found http errors, and delays crawling your new landing page — costing you organic traffic.
Think of it this way: Would you want Google spending time in your basement full of broken boxes or your showroom full of shining products?
2. 🔗 Loss of Link Equity – Backlinks Pointing to Nowhere
What it means:
Backlinks are like votes of confidence for your pages. But if those links lead to a 404 error not found, the value (aka “link juice”) is completely lost.
Why it matters:
Every backlink pointing to a 404 not found page is a missed SEO opportunity. You lose out on domain authority, page authority, and the trust signals Google uses to rank your site.
Example:
You wrote a popular guide at /seo-hacks, but deleted it months later. It had 120 backlinks! Those sites still point to it, but it now serves a 404 not found code — and you’re getting zero benefit from that SEO gold.
Always reclaim that equity — either by restoring the content or redirecting the old URL to a relevant page.
3. 😕 Bad User Experience = Lower Engagement & Higher Bounce Rates
What it means:
Imagine a user clicks a link in a blog post or from Google and lands on a 404 page not found. Frustrating, right?
Why it matters:
Poor user experience leads to higher bounce rates, lower time on site, and fewer conversions — all of which indirectly hurt SEO. Google takes user signals seriously.
Example:
You rank #4 for “free SEO audit template,” but the link leads to a 404 not found because the template was moved. Users bounce within 5 seconds — sending a strong signal to Google that your result wasn’t useful.
The faster people hit the back button, the faster your rankings will drop.
If you want to know how to troubleshoot ranking issues, please read this article: Local SEO Audit Checklist: How to Spot and Fix Ranking Issues Fast.
4. 🧱 Breaks Your Internal Link Structure
What it means:
Internal links help Google understand the structure and hierarchy of your site. If many of those links point to not found 404 pages, it weakens the entire internal framework.
Why it matters:
You’re essentially creating dead ends. It’s harder for crawlers to flow through your site, pass link equity, and understand context between related pages.
Example:
A blog post mentions and links to an internal tool page at /seo-calculator, which is now removed. That’s a dead end. Multiply that by 50+ articles, and you’re looking at a broken internal structure.
Internal links should guide, not confuse — broken ones dilute site authority and mess with crawlability.
5. ❌ Potential Index Removal by Google
What it means:
If a URL consistently returns a 404 not found code, Google eventually deindexes it. That’s the message behind “Page indexing: Not found (404)” in Search Console.
Why it matters:
Once a page is deindexed, it vanishes from search results — no impressions, no clicks, no traffic. If that page had business value (like product pages, guides, lead magnets), you’re losing revenue and visibility.
Example:
Your /affiliate-marketing-guide was removed due to a redesign. It ranked on page 1 for years, but now it shows a 404 not found meaning in Search Console. Within weeks, it’s gone from the index — and so is the traffic.
Google doesn’t keep broken pages around forever. If you want to stay visible, stay functional.
6. 📉 Negative Impact on E-A-T & Trust Signals
What it means:
E-A-T stands for Expertise, Authoritativeness, and Trustworthiness — all part of how Google evaluates websites. A site riddled with error 404 not found issues doesn’t look trustworthy.
Why it matters:
If users (and crawlers) keep running into 404 not found errors, your site may appear poorly maintained, abandoned, or spammy. That’s a red flag — especially for YMYL (Your Money, Your Life) sites like finance, health, or legal content.
Example:
A health blog links to medical PDFs and research studies that now lead to 404 not found pages. That lowers trust for both users and search engines — possibly hurting your rankings in competitive health niches.
Google wants to rank reliable content — broken pages don’t fit the bill.
7. 📱 Harmful for Mobile-First Indexing
What it means:
Google now uses mobile-first indexing, meaning it crawls the mobile version of your site as the primary version. If mobile pages lead to 404 error not found, you’ve got a big problem.
Why it matters:
A page might load fine on desktop, but return a code 404 not found on mobile due to errors in responsive design or dynamic rendering. That page will be dropped from the mobile index — which affects everyone now.
Example:
Your mobile version loads /checklist-mobile, but the file was never uploaded properly. Desktop version works, but mobile users and Googlebot get a 404 not found response.
If it’s broken on mobile, it’s broken in Google’s eyes.
8. 🧾 Technical Red Flags in Structured Data
What it means:
Many websites use schema (structured data) to boost SEO with rich results. But if schema points to a 404 not found page, it’s flagged as invalid.
Why it matters:
Structured data errors can disqualify your content from appearing in enhanced listings — like recipes, FAQs, or products. Google may even show errors in the Search Console’s “Enhancements” report.
Example:
You have a product schema pointing to /product-widget, but the URL is now gone. That’s a 404 error not found, and you lose your product’s rich snippet in SERPs.
Rich results are hard to earn — don’t lose them over avoidable 404s.
Summary: SEO and 404s Don’t Mix
Here’s the bottom line: every 404 not found code error is a signal. If you ignore it, you send the wrong message to both search engines and users.
Here’s what they really say:
To Google: “I don’t maintain my site.”
To users: “You can’t trust what you click here.”
To competitors: “Take my rankings — I won’t fight back.”
Fixing 404s not only protects your SEO — it strengthens your brand, boosts user trust, and keeps you competitive in organic search.
Examples of 404 Not Found Errors in Practice
To make things crystal clear, here are a few common 404 not found scenarios:
Example 1: Blog URL Change Without Redirect
Old URL: yoursite.com/blog/how-to-code
New URL: yoursite.com/tutorials/how-to-code
If the old URL isn’t redirected, it will trigger a code 404 not found when accessed.
Example 2: External Site Linking to a Removed Page
A partner site links to your product-page-a, but you deleted it. Visitors from that site land on a 404 not found error page – not ideal!
Example 3: Bot Crawling a Misconfigured Sitemap
Your sitemap includes outdated URLs. Google tries to crawl them and gets hit with a 404 error not found, showing up in GSC as a code 404 not found issue.
🛠️ How to Fix Not Found 404 Errors and Get Your Pages Indexed Again – Step-by-Step Breakdown
When Google shows “Page indexing: Not found (404)” in Search Console, it means the page doesn’t exist (at least as far as Google is concerned). This often results in that dreaded not found 404 status, which means the page can’t be crawled or indexed.
But here’s the good news: you can fix most 404 errors — and if done right, get your pages back into Google’s index.
Let’s walk through exactly how to do that, one fix at a time.
1. 🔁 Restore Deleted Pages (When Possible)
What it means:
Sometimes, you or someone on your team may have deleted a page thinking it was no longer needed — only to discover it still had traffic or backlinks.
How to fix it:
Check if the URL is still valuable (use Ahrefs, Google Analytics, etc.).
Restore the page from a backup (if available).
If not, recreate the content with the same or improved value.
Example:
You deleted a blog post /seo-checklist last year. Now you find out it had 15 backlinks. Recreating it and publishing it under the same URL can resolve the 404 not found code instantly and help the page get re-indexed.
Why it works:
Google will crawl the restored URL, find a proper 200 status code, and index it again — assuming it meets quality standards.
2. ➡️ 301 Redirect to Relevant Alternatives
What it means:
If a deleted page can’t be restored or doesn’t make sense anymore, you should guide both users and Google to a better alternative using a 301 redirect.
How to fix it:
Set up a 301 redirect from the 404 not found page to a closely related page.
Make sure the destination is relevant to the original topic.
Example:
You deleted /best-seo-tools-2022, but you have a newer article at /best-seo-tools-2026. Redirect the old URL to the updated one.
Why it works:
301 redirects pass most of the link equity from the old page to the new one and help search engines understand the updated structure, resolving the code 404 not found status.
3. ❌ Remove the URL from Your Sitemap
What it means:
If a page no longer exists and you don’t plan to replace or redirect it, make sure it’s not still listed in your XML sitemap.
How to fix it:
Open your sitemap file (usually at
yoursite.com/sitemap.xml).Find and remove the dead URL manually or via your CMS/plugin.
Resubmit the sitemap in Google Search Console.
Example:
Your sitemap lists /old-whitepaper.pdf, but that file was removed 6 months ago. Delete the entry to stop search engines from trying to index a 404 not found http page.
Why it works:
Sitemaps guide crawl prioritisation. If a 404 page not found is still listed, Google may waste crawl budget on it — delaying indexing of more important pages.
4. 🔍 Fix Internal Links Pointing to 404 Pages
What it means:
Sometimes, the only reason Google keeps discovering a 404 not found URL is because it’s still linked from other parts of your site.
How to fix it:
Use a crawler like Screaming Frog or Sitebulb to find broken internal links.
Update the links to point to the correct URLs or remove them altogether.
Example:
Your footer links to /about-us but the actual page is /about. Update the link in your global navigation or footer to fix the 404 error not found and improve crawlability.
Why it works:
Fixing internal links helps Google find the correct content and prevents confusion caused by dead ends.
5. 🔄 Fix Typos or Canonical URL Mistakes
What it means:
Some 404 not found errors happen because of misspelled URLs — either in internal links, social shares, or even canonical tags.
How to fix it:
Double-check canonical URLs and hreflang annotations in your HTML.
Correct any typos in URLs across your site or content management system.
Example:
A canonical tag points to example.com/beginners-guid-to-seo (missing an “e”). Google sees it, tries to crawl it, and gets a 404 not found meaning. Correcting the canonical tag resolves the issue.
Why it works:
Google relies on canonical tags to determine the primary version of a page. If it leads to a dead end, it can negatively impact indexing.
6. 📤 Submit the Fixed URL for Reindexing in Google Search Console
What it means:
Once you’ve fixed the issue — by restoring, redirecting, or correcting the page — tell Google about it.
How to do it:
Go to the “URL Inspection” tool in Google Search Console.
Enter the fixed URL and click “Request Indexing”.
Example:
You restored /free-guide after seeing it in the “not found 404” report. Request reindexing so Google knows it’s back and live.
Why it works:
Google won’t recheck every page immediately. Submitting it manually speeds up re-crawling and reindexing — often within hours or days.
7. 🔒 Fix Access Restrictions or Server Misconfigurations
What it means:
Sometimes, a page exists but still returns a 404 not found status because of server rules, firewalls, or accidental access blocks.
How to fix it:
Check
.htaccessorrobots.txtfor disallow rules.Review firewall settings (e.g. Cloudflare, Sucuri) that may be blocking bots.
Use Google’s “URL Inspection Tool” to verify crawl status.
Example:
A category archive exists, but your firewall blocks Googlebot’s IP range. The bot receives a 404 not found code, but users see the content fine. Whitelist Googlebot IPs to fix it.
Why it works:
Google needs to access your content like a regular user. If bots are blocked or content is restricted, you’ll get 404 not found or even “soft 404” errors.
8. 🧼 Clean Up Orphan Pages and Thin Content
What it means:
Some pages are left disconnected (orphaned) from the rest of the site — or they’re indexed but so thin that Google drops them.
How to fix it:
Add internal links to orphaned pages.
Improve content depth.
Submit for indexing again.
Example:
Your /old-promo-page isn’t linked from anywhere and only has 50 words. Google may return a 404 not found meaning in its index, assuming the page isn’t valuable.
Why it works:
Google prioritises pages with authority, content, and context. If it sees a dead end with no value, it’ll de-index it fast.
Summary: Fixing 404 Not Found Errors = Smarter Indexing
Fixing a 404 error not found isn’t about patching things blindly. It’s about:
Understanding why a page went missing.
Deciding whether to restore, redirect, or forget it.
Helping Google discover and understand the updated version.
With each fix, you’re not just solving an error. You’re improving your crawlability, user experience, and SEO performance.
Don’t treat a 404 not found code as a dead end — treat it as an opportunity to strengthen your website.
When is a 404 Not Found OK?
Surprise! Not all 404 not found errors are bad.
You’re allowed to have intentional 404s if:
The content is truly gone and not replaced.
You want to clean up outdated or irrelevant content.
You don’t want search engines to index certain pages anymore.
Just don’t forget to remove these URLs from your sitemap and internal linking structure.
404 Not Found Meaning vs Other Error Codes: A Quick Comparison
| Error Code | Meaning | Severity for SEO |
|---|---|---|
| 200 OK | Page found | Good |
| 301 | Permanent redirect | Good (if used properly) |
| 302 | Temporary redirect | Neutral |
| 404 | Page not found | Bad (if overused) |
| 410 | Page gone permanently | Acceptable |
| 500 | Server error | Very bad |
Knowing the meaning of 404 not found compared to these other codes can help you better diagnose site issues.
🕵️♂️ How to Monitor 404 Not Found Errors Regularly – Full Breakdown
Staying on top of not found 404 errors isn’t just a one-time fix — it’s an ongoing process that helps maintain the overall health of your website.
Why?
Because websites change. Pages are deleted, permalinks are updated, links break, and new content is added all the time. If you don’t monitor these changes proactively, you might end up with dozens or even hundreds of 404 not found code issues before you know it — harming your SEO and user experience.
So, here’s how to keep your site squeaky clean from the dreaded 404 error not found problems:
1. ✅ Enable Google Search Console Alerts
What it is:
Google Search Console (GSC) is a free tool by Google that monitors your site’s indexing, crawling, and error status. It automatically detects 404 not found pages.
How to do it:
Log in to your GSC account.
Go to the “Settings” panel of your property.
Enable email notifications or use Google Alerts tied to your account.
Why it matters:
You’ll get real-time alerts when Google detects a 404 page not found issue — saving you from having to check manually every day.
Pro tip: Check the “Coverage” section in GSC regularly. Look under the “Excluded” tab — you’ll often find the “Not Found (404)” category there with affected URLs listed.
2. 🕷 Run Monthly Site Crawls with Tools like Screaming Frog or Sitebulb
What it is:
Crawling tools mimic search engines like Googlebot and analyse every URL on your site. They’ll identify code 404 not found errors, broken links, redirect loops, and more.
How to do it:
Download Screaming Frog SEO Spider (free for up to 500 URLs).
Run a crawl of your domain.
Filter by “Client Error (4xx)” to see all 404 not found http responses.
Why it matters:
These tools uncover errors that GSC might not yet detect — like internal links pointing to 404 error not found pages or image URLs that no longer exist.
Example: You removed a blog post but forgot it was linked in your footer. Screaming Frog will catch that broken link instantly.
3. 📉 Use Google Analytics to Track 404 Page Visits
What it is:
Google Analytics helps track user behaviour. You can set it up to identify whenever someone lands on a 404 not found page.
How to do it:
Set up a custom 404 page with a unique title, like “Oops! Page Not Found”.
In GA4, create a custom event that triggers when that title is loaded.
Use reports to monitor which URLs lead users to that 404 page.
Why it matters:
This reveals the user-facing side of the issue. If lots of visitors are ending up on a 404 page not found, it’s a usability problem that needs quick fixing.
Example: A sudden spike in 404 visits from social media might indicate a popular shared link is broken.
4. 📁 Monitor Server Logs to Detect Broken Crawls or Malformed URLs
What it is:
Your server keeps logs of every request made to your website — including those that return a 404 not found code.
How to do it:
Access your web server logs via cPanel, SSH, or your hosting dashboard.
Search logs for “404” or “GET” requests returning a 404 status.
Use log analyser tools like GoAccess or AWStats.
Why it matters:
You can catch 404 not found issues even when they’re triggered by bots, scrapers, or incorrectly formatted URLs — the kind that won’t show up in tools like Analytics or GSC.
Example: A bot tries to access
/blog//how-to-install(with a double slash), triggering a 404 error not found that Google never logs. Server logs will reveal this pattern.
5. 🔁 Use Third-Party SEO Platforms with Scheduled Crawls
What it is:
Platforms like Ahrefs, Semrush, Moz, or Sitebulb offer automated weekly or monthly crawls with detailed health checks.
How to do it:
Set up a project for your website.
Enable scheduled crawls (e.g., weekly).
Review “Issues” or “Errors” reports to find 404 not found URLs, broken backlinks, and orphaned pages.
Why it matters:
These tools provide a central dashboard with visual insights, prioritised issues, and even backlink data — helping you decide which 404 not found http errors are actually worth fixing first.
Example: If a 404 error not found page has 50 backlinks, it’s a top priority. These tools will flag that instantly.
6. 🔍 Install 404 Monitoring Plugins for WordPress Sites
What it is:
If you’re using WordPress, you can automate 404 tracking with plugins that log every broken URL request.
How to do it:
Install a plugin like Redirection, 404 Monitor (by Rank Math), or All 404 Redirect to Homepage.
Configure it to log 404 errors and optionally set up automatic redirections.
Why it matters:
You don’t need to dig into logs or rely only on external tools. These plugins let you monitor and manage 404s right from your WP dashboard.
Example: You’ll get notified when someone tries to access
/free-guide.pdfthat no longer exists — and you can redirect it instantly.
7. 🧪 Test Forms, Navigation, and In-App Links Frequently
What it is:
Some 404 not found errors are user-generated — think form submissions with broken confirmation pages or dashboard links pointing to old content.
How to do it:
Regularly test your site’s navigation, forms, contact pages, and login flows.
Watch for broken confirmations, thank-you pages, or dashboard content links.
Why it matters:
You may not find these issues using crawlers because they’re often behind forms or authentication. But users will definitely hit them — and they’ll bounce.
Example: A contact form redirects users to
/thank-you-message, but you changed the slug to/thanks. Boom — a code 404 not found after every submission.
Summary: Don’t Just Monitor, Act
Setting up monitoring is only half the battle. Once you spot a 404 not found issue:
Determine whether to restore, redirect, or delete the URL.
Update internal and external links pointing to it.
Submit the fixed URLs for reindexing via Google Search Console.
Being proactive not only preserves your crawl budget and SEO rankings but also shows your users that your site is trustworthy, maintained, and fully functional.
Conclusion: Don’t Let Not Found 404 Drag Down Your SEO
Let’s face it – encountering a 404 page not found or not found 404 error is frustrating for users and search engines alike. But here’s the good news: you now know how to handle it.
To recap:
Audit regularly to spot issues early.
Fix or redirect broken pages.
Optimise your sitemap and internal links.
Create a helpful 404 page that keeps users engaged.
Remember, Google isn’t out to get you – it just wants to serve up the best content. By addressing your 404 not found http issues proactively, you’ll keep your site healthy, crawlable, and competitive.
Frequently Asked Questions (FAQs)
What is a 404 not found error?
A 404 not found error means the requested webpage is missing or no longer exists. It’s a standard HTTP response code.
What causes a code 404 not found?
Causes include deleted pages, broken links, URL typos, or improperly configured redirects. It’s usually a content issue, not a server one.
Is a 404 not found code bad for SEO?
Too many of this errors can hurt your SEO, especially if they affect important pages. Occasional 404s are natural and not alarming.
How do I fix a 404 not found?
Fix by redirecting, restoring, or removing the URL. Always update internal links and submit changes in Search Console.
Can I ignore 404 page not found errors?
You can ignore some, but not all. If they involve high-value content or are still linked internally or externally, they must be fixed.
