Technical Issues
About Technical SEO
Before a page can rank, a crawler has to fetch it successfully — and a surprising amount of lost traffic comes down to what happens at the HTTP layer. 4XX and 5XX responses make pages unrankable, redirect loops and long chains waste crawl budget and bleed link equity, soft 404s tell Google a real page is empty, HTTPS downgrades break trust, and a missing or non-UTF-8 charset can garble your content. These are invisible in a browser but decisive for search engines. This section covers the technical issues Digispot AI detects at the response and document level, each with severity, impact, and a fix.
Problem
The page could not be fetched at all — the request never returned a usable document (redirect loop, timeout, DNS failure, or refused connection).
Impact
Visitors and search engines hit the same dead end: the page can't be read, indexed, or ranked, and any links pointing at it are wasted.
critical ImpactHow to Fix
Open the URL in a browser and confirm the failure (e.g. "too many redirects" or a timeout). • Fix the server, DNS, or redirect rule responsible so the URL returns a healthy 200. • Re-run the audit to confirm the page is reachable again.
Problem
We could not read this page's content properly — the HTML may be broken or the page returned an error mid-load.
Impact
If our crawler cannot read the page, search engines likely struggle with it too, so it may not rank.
critical ImpactHow to Fix
Open the page and confirm it loads fully without errors. • Validate the HTML for unclosed tags or broken markup. • Re-run the audit once the page loads cleanly.
Problem
The page shows an "not found"-style error message but still returns a success (200) status code.
Impact
Google keeps crawling and may index these empty pages, wasting crawl budget and cluttering results.
high ImpactHow to Fix
Return a real 404 (or 410) status for pages that no longer exist. • Redirect to a relevant live page if there is one. • Avoid showing error text on a 200 page.
Problem
A redirect hop downgrades the connection from HTTPS to HTTP before resolving.
Impact
It exposes users to an insecure hop (MITM/mixed-content) and signals distrust to search engines, bleeding ranking equity.
high ImpactHow to Fix
Rewrite the redirect target to stay on HTTPS. • Make sure no hop drops to http://. • Re-crawl to confirm the chain stays secure.
Problem
This URL redirects round in a circle and never lands on a real page.
Impact
A looping URL can't be crawled or indexed, and visitors hit a browser error.
high ImpactHow to Fix
Trace the redirect rules for this URL. • Point it at a single final destination that returns 200. • Re-crawl to confirm the loop is gone.
Problem
This page returned a "not found / forbidden" style error (a 4XX status).
Impact
A broken page can't rank, wastes crawl budget, and loses the value of any links pointing to it.
high ImpactHow to Fix
Restore the page if it should exist. • Otherwise 301-redirect it to the closest live page. • Remove or update internal links that point to it.
Problem
The server failed to deliver this page (a 5XX error).
Impact
Search engines can't index a page that errors, and lots of them can slow crawling of your whole site.
high ImpactHow to Fix
Check server/application logs for the cause. • Fix the error so the page returns a healthy 200. • Re-crawl to confirm it resolves.
Problem
The page uses a character encoding other than UTF-8.
Impact
Non-UTF-8 can corrupt accented and non-English characters, so Google indexes garbled text.
medium ImpactHow to Fix
Switch the page encoding to UTF-8. • Declare <meta charset="UTF-8">. • Confirm special characters display correctly.
Problem
The page doesn't declare a character encoding.
Impact
Without it, browsers may garble special characters and accented text.
medium ImpactHow to Fix
Add <meta charset="UTF-8"> as the first tag in <head>. • Re-test pages with special characters. • Re-validate the HTML.
Problem
The page uses a meta refresh tag to redirect instead of a proper server redirect.
Impact
Meta refresh is slower and search engines handle it poorly compared to a real 301.
medium ImpactHow to Fix
Replace the meta refresh with a server-side 301 (permanent) redirect. • Use 302 only for temporary moves. • Remove the meta refresh tag.
Problem
This URL bounces through several redirects before reaching the final page.
Impact
Each hop adds delay and leaks ranking signal; long chains can make crawlers give up.
medium ImpactHow to Fix
Redirect the starting URL straight to the final destination in one hop. • Update internal links to point at the final URL directly. • Re-crawl to confirm a single redirect remains.
Problem
A "next/previous" pagination link points to a page that redirects or errors instead of loading normally.
Impact
Broken pagination wastes crawl budget and can leave deeper pages undiscovered.
medium ImpactHow to Fix
Point rel=next/prev links at live, working pages. • Remove stale pagination links. • Re-crawl to confirm.
Problem
There is little text compared to the amount of HTML markup (informational).
Impact
It's not a ranking factor, but combined with low word count it can hint at thin content.
low ImpactHow to Fix
No action needed for design-heavy or fast pages. • If the page is also short on words, add meaningful content. • Otherwise leave as-is.
!Common Challenges
- •4XX / 5XX HTTP errors
- •Redirect loops and overly long redirect chains
- •Soft 404s (empty pages returning 200)
- •HTTPS-to-HTTP redirect downgrades
- •Missing or non-UTF-8 charset declarations
✓Best Practices
- ✓Return 200 for real pages and 301 for permanent moves
- ✓Keep redirects to a single hop and never loop
- ✓Serve proper 404/410 for missing pages
- ✓Force HTTPS end-to-end
- ✓Declare UTF-8 charset in the <head>
Strategic Importance
Clean status codes, direct redirects, and correct encoding are prerequisites for a page to be crawled and indexed at all.
Long-term SEO Impact
Response-level errors and misconfigured redirects prevent crawling and indexing no matter how good the on-page content is.
Free Tools to Fix These Issues
All tools are completely free to use — no signup required