How to Fix Technical SEO Issues on Your Website: 2026 Complete Guide

How to fix technical SEO issues on your website is one of the most valuable skills for improving search rankings. According to Backlinko research, websites with proper technical SEO rank an average of 5-10 positions higher than those with technical issues. Yet 94% of websites have at least one critical technical SEO problem.

Technical SEO is the foundation of all other SEO efforts. You can have the best content and the most backlinks — but if Google can’t crawl, index, or understand your site, you won’t rank.

The good news: most technical SEO issues are fixable without being a developer. The bad news: you need to know what to look for.

In this guide, I’ll show you exactly how to fix technical SEO issues on your website — from crawl errors to duplicate content to page speed — with step-by-step instructions and free tools.

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External Resources (Bookmark These)

• Backlinko — Technical SEO Guide
• Google — Technical SEO Guide
• Moz — Technical SEO Guide
• Ahrefs — Technical SEO Guide
• Semrush — Technical SEO Guide
• Neil Patel — Technical SEO Tips
• Search Engine Journal — Technical SEO
• Screaming Frog — Crawl Tool
• Google Search Console — Free Tool
• Google PageSpeed Insights — Speed Test

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Internal Rafirit Station Resources

• SEO Services — Technical SEO fixes
• Case Studies — Technical SEO results
• Web Development — SEO-friendly development
• Full-Service Digital Marketing — Technical SEO included
• Contact Rafirit Station — Free technical SEO audit

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What Is Technical SEO? (The Foundation of Rankings)

Technical SEO ensures search engines can find, crawl, index, and understand your website. It doesn’t involve keywords, content, or backlinks — it’s about the infrastructure of your site.

Technical SEO answers questions like:

• Can Google find all your important pages?
• Are there broken links or 404 errors?
• Is your site fast enough for mobile users?
• Do you have duplicate content issues?
• Is your site secure (HTTPS)?
• Does Google understand your site structure?

Why technical SEO matters: Without technical SEO, Google may not index your pages, may index wrong pages, or may rank you lower due to speed or mobile issues.

Rafirit Station’s technical SEO fixes have increased organic traffic by 320% for clients.

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Issue #1: Crawl Errors (Pages Google Can’t Access)

What it is: When Google tries to access a page but can’t due to a 404 (not found), 500 (server error), or other issue.

Why it’s bad: Google can’t index pages it can’t access — and it wastes crawl budget on broken pages.

How to find crawl errors:

1. Log into Google Search Console → Indexing → Pages
2. Look for “Error” status (red) and “Excluded” pages (gray)
3. Common errors: 404 not found, 500 server error, 403 forbidden, soft 404

How to fix crawl errors:

• 404 not found: Either restore the page (if still needed) or redirect to relevant page (301 redirect)
• Server error (5xx): Contact your hosting provider — server configuration issue
• 403 forbidden: Check file permissions (should be 644 for files, 755 for folders)
• Soft 404: Page says “Page not found” but returns 200 OK status. Fix by returning actual 404 status or restoring content

Tools: Google Search Console (free), Screaming Frog (free up to 500 URLs)

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Issue #2: Broken Links (Internal and External)

What it is: Links that point to pages that no longer exist (404 errors). Both internal links (within your site) and external links (to other sites).

Why it’s bad: Broken links waste crawl budget, hurt user experience, and pass no link equity.

How to find broken links:

1. Download Screaming Frog (free version crawls 500 URLs)
2. Enter your domain → Click “Start”
3. Go to “Response Codes” tab → Look for status code 404
4. For external links, go to “External” tab → Look for 404 status codes

How to fix broken links:

• Internal links to 404: Update the link to correct URL or remove the link
• External links to 404: Find replacement link (same/similar content) or remove if no replacement exists
• For 404 pages that should exist: Restore the page or set up 301 redirect to relevant page

Tools: Screaming Frog (free), Ahrefs Webmaster Tools (free), Broken Link Checker (WordPress plugin)

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Issue #3: Duplicate Content (Canonicalization Issues)

What it is: The same (or very similar) content accessible at multiple URLs (e.g., example.com/page, example.com/page?utm_source=email, example.com/page?ref=facebook).

Why it’s bad: Google doesn’t know which version to index. Link equity gets split across multiple URLs. May trigger duplicate content penalty for thin content.

How to find duplicate content:

1. In Google Search Console → Search for your page title in quotes → If multiple URLs appear, you have duplicate content issues
2. In Screaming Frog → “URL” column → Look for pagination parameters (?page=2, ?sort=asc)
3. Check for multiple URL variations: www vs non-www, http vs https, trailing slash vs no trailing slash

How to fix duplicate content:

• Canonical tags: Add <link rel="canonical" href="https://example.com/preferred-page/" /> to all duplicate pages pointing to the master version
• 301 redirects: Redirect duplicate URLs to the canonical version
• Parameter handling in Google Search Console: Tell Google which URL parameters to ignore
• Consistent URL structure: Choose www vs non-www, http vs https, trailing slash vs no trailing slash — and redirect the other versions

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Issue #4: Slow Page Speed (Core Web Vitals)

What it is: How fast your pages load, especially on mobile devices. Google measures LCP (loading speed), FID (interactivity), and CLS (visual stability).

Why it’s bad: Page speed is a confirmed ranking factor. Slow pages have higher bounce rates and lower conversions.

How to check page speed:

1. Go to pagespeed.web.dev
2. Enter your URL → Click “Analyze”
3. Look at mobile score (aim for 70+) and Core Web Vitals (LCP under 2.5s, CLS under 0.1)

How to fix page speed issues:

Issue	Fix
Large images</td;	Compress images (TinyPNG, ShortPixel), convert to WebP, lazy load</td;
Uncompressed files</td;	Enable Gzip or Brotli compression (caching plugins do this)</td;
Render-blocking resources</td;	Defer JavaScript, inline critical CSS, remove unused CSS/JS</td;
Slow hosting</td;	Upgrade hosting (shared → VPS → dedicated → managed WordPress)</td;
No caching</td;	Install caching plugin (WP Rocket, W3 Total Cache, LiteSpeed Cache)</td;
No CDN</td;	Use Cloudflare (free) or other CDN</td;

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Issue #5: Mobile Usability Issues

What it is: Problems that make your site difficult to use on mobile devices (text too small, buttons too close together, content wider than screen).

Why it’s bad: Google uses mobile-first indexing — it primarily uses the mobile version of your site for ranking. Mobile usability issues hurt rankings.

How to find mobile usability issues:

1. Google Search Console → Experience → Mobile Usability
2. Look for errors: “Text too small to read,” “Clickable elements too close together,” “Content wider than screen”

How to fix mobile usability issues:

• Text too small: Increase body text to 16px minimum (CSS: body { font-size: 16px; })
• Clickable elements too close: Increase tap target size to 44x44px, add margin between buttons (margin: 8px;)
• Content wider than screen: Add meta name="viewport" content="width=device-width, initial-scale=1" and use responsive CSS (max-width: 100% on images)

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Issue #6: Missing or Improper XML Sitemap

What it is: A XML file that lists all important pages on your site — tells Google which pages to crawl and prioritize.

Why it’s bad: Without a sitemap, Google may miss pages (especially new ones) or waste crawl budget on unimportant pages.

How to check if you have a sitemap:

• Go to yourdomain.com/sitemap.xml or yourdomain.com/sitemap_index.xml
• If you see XML code, you have a sitemap. If 404, you don’t.

How to fix missing sitemap:

• WordPress: Install Rank Math SEO or Yoast SEO — they auto-generate sitemaps
• Shopify: Sitemap auto-generated at /sitemap.xml
• Custom site: Use online sitemap generator (XML-sitemaps.com) — generate, download, upload to root directory
• After generating, submit sitemap to Google Search Console (Indexing → Sitemaps → Add sitemap)

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Issue #7: Improper Robots.txt

What it is: A file that tells search engines which pages to crawl and which to ignore.

Why it’s bad: An incorrect robots.txt can block Google from crawling your entire site (Disallow: /) or important sections.

How to check robots.txt:

• Go to yourdomain.com/robots.txt
• If it says “Disallow: /” — Google can’t crawl any page. Remove immediately.
• If you see other disallowed paths, check they’re intentional (e.g., /admin/ should be disallowed; /blog/ should not)

Correct robots.txt example:

User-agent: *
Allow: /
Disallow: /admin/
Disallow: /wp-admin/
Sitemap: https://yourdomain.com/sitemap.xml

How to fix robots.txt: Edit the file via your hosting control panel or WordPress SEO plugin (Rank Math/Yoast have robots.txt editors).

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Issue #8: Missing SSL/HTTPS (Not Secure)

What it is: Your site loads over HTTP instead of HTTPS. Browsers show “Not Secure” warning.

Why it’s bad: HTTPS is a confirmed ranking factor. “Not Secure” warnings destroy trust and conversions.

How to check if you have SSL:

• Visit your site. Look for padlock icon in address bar. If “Not Secure” appears, no SSL certificate.
• Google Search Console → Check if you have both http:// and https:// properties

How to fix missing SSL:

• Most hosting providers offer free SSL certificates (Let’s Encrypt). Enable in hosting control panel.
• If not, purchase SSL certificate (৳500-3,000/year) from your hosting provider or Namecheap/SSLs.com
• After installing, redirect all HTTP traffic to HTTPS (301 redirect)
• Update Google Search Console to https:// property
• Update internal links and sitemap to use https://

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Technical SEO Checklist

Issue	Fix	Status
Crawl errors</td;	Fix 404s, 500s, soft 404s (Google Search Console)</td;	☐</td;
Broken links</td;	Fix or remove all internal 404s (Screaming Frog)</td;	☐</td;
Duplicate content</td;	Add canonical tags, 301 redirects, consistent URL structure</td;	☐</td;
Page speed</td;	PageSpeed Insights score 70+ mobile, 90+ desktop</td;	☐</td;
Mobile usability</td;	No errors in GSC Mobile Usability report</td;	☐</td;
XML sitemap</td;	Sitemap exists and submitted to Google Search Console</td;	☐</td;
Robots.txt</td;	Not blocking important pages (no “Disallow: /”)</td;	☐</td;
SSL/HTTPS</td;	Padlock icon visible, HTTP → HTTPS redirect working</td;	☐</td;

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Real Example: How a Dhaka Business Increased Organic Traffic by 180% After Fixing Technical SEO Issues

Client: Dhaka-based ecommerce store. Monthly organic traffic: 5,000 visitors. Had never done technical SEO audit. Rankings stagnant despite adding content.

Technical issues found:

• Google Search Console crawl errors: 124 404 errors (old product pages, deleted blog posts)
• Duplicate content: Same product accessible at /product/123 and /product/123?size=large (without canonical tags)
• Page speed: 42/100 on mobile (uncompressed images, no caching, shared hosting)
• Mobile usability: 23 pages with “text too small to read” (10px body text)
• No XML sitemap submitted to Google (Google was discovering pages slowly)
• Robots.txt blocking “/*?sort=” parameters — accidentally blocking Google from crawling product filters

Fixes implemented:

• 301 redirected 124 broken URLs to relevant category pages (2 hours)
• Added canonical tags to product pages pointing to non-parameter versions (1 hour)
• Compressed images, enabled caching, upgraded hosting → PageSpeed 42 → 84 (3 hours)
• Increased body text to 16px (CSS change, 5 minutes)
• Generated XML sitemap via Rank Math SEO → submitted to GSC (10 minutes)
• Fixed robots.txt to allow crawling of product filter pages (5 minutes)

Results after 90 days:

• Organic traffic: 5,000 → 14,000 monthly (+180%)
• Pages indexed: 340 → 890 (+162%)
• Keyword rankings: 28 keywords on page 1 → 67 keywords on page 1 (+139%)
• Revenue from organic search: +210%
• Total fix time: ~7 hours (one day)
• Total cost: ৳2,500 (hosting upgrade) + ৳0 (all other fixes free)

Key takeaway: Technical SEO isn’t optional. This client had great content and backlinks — but technical issues were blocking Google from seeing it. After 7 hours of fixes, traffic nearly tripled. No new content. No new backlinks. Just technical cleanup. See more SEO success stories.

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Frequently Asked Questions

What’s the difference between technical SEO and on-page SEO?

Technical SEO = infrastructure (crawling, indexing, speed, mobile, structured data). On-page SEO = content optimization (keywords, headings, meta tags, internal links). Both are essential.

How often should I do a technical SEO audit?

Full audit every 6-12 months. Quick check (Google Search Console crawl errors + PageSpeed Insights) every 30 days. After major site changes (redesign, migration, platform switch), audit immediately.

What’s the most common technical SEO issue?

Broken links (404s). Most sites have dozens. They’re easy to find (Google Search Console) and easy to fix (301 redirects). Start here.

Do I need a developer to fix technical SEO issues?

For basic issues (broken links, sitemap, robots.txt, canonical tags), no — use plugins or follow guides. For advanced issues (server config, JavaScript rendering, structured data), you may need a developer or SEO specialist.

Can Rafirit Station fix my technical SEO issues?

Yes — Rafirit Station’s SEO team performs comprehensive technical SEO audits and fixes all issues — from crawl errors and broken links to page speed and mobile usability.

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The Bottom Line

Technical SEO is the foundation of search rankings. Without it, your content and backlinks won’t matter. Fix crawl errors, broken links, duplicate content, page speed, mobile issues, sitemaps, robots.txt, and SSL — in that order.

Your next step (today):

1. Log into Google Search Console → Indexing → Pages → Fix any red errors (404s, 500s)
2. Run Google PageSpeed Insights → Fix the easiest “opportunity” (compress images, enable caching)
3. Check robots.txt (yourdomain.com/robots.txt) → Ensure it doesn’t say “Disallow: /”
4. Submit your sitemap to Google Search Console (if not already)

One day of technical SEO fixes = months of ranking improvements.

👉 Professional Technical SEO Services →
👉 See SEO Results →
👉 SEO-Friendly Development →
👉 Full-Service Digital Marketing →
👉 🔧 Book Your Free Technical SEO Audit on Calendly →

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Want a free Technical SEO Audit Checklist + Fix Implementation Guide? Drop “TECH SEO” in the comments — I’ll send you a 50-point audit spreadsheet, step-by-step fix guides for 15 common issues, and Screaming Frog crawl templates.