Practical Technical SEO Troubleshooting for WordPress Websites

About Course

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Practical Technical SEO Troubleshooting for WordPress Websites is a hands-on course designed to help you identify, understand, diagnose, fix, and verify common technical SEO issues found during real website audits.

Instead of focusing only on SEO theory, this course uses practical examples of actual technical SEO problems that commonly appear in website audit tools. You will learn what each issue means, why it matters for search engines and website performance, what usually causes it, and how to properly fix it in WordPress.

Throughout the course, technical SEO issues will be recreated in a controlled WordPress environment so you can see how each problem appears in an audit, how to investigate the source of the issue, and how to confirm that the problem has been resolved after applying the fix.

You will work through common technical SEO problems related to:

Website crawling and indexability
HTML and page structure
Missing or incorrect H1 headings
Title tags and meta descriptions
Canonical tags
Robots.txt and noindex directives
Broken links and internal linking issues
Redirects and HTTP status codes
Orphan pages
XML sitemaps
Image SEO issues
Duplicate content
Page speed and performance
Security-related technical SEO issues
WordPress themes, plugins, and page builders

Each lesson follows a practical troubleshooting process:

Find the Issue → Understand the Issue → Diagnose the Cause → Fix the Problem → Verify the Fix

The goal of this course is not only to teach you how to fix individual SEO errors, but also to help you develop a repeatable technical SEO troubleshooting process that you can use on your own website or on client WordPress websites.

Who This Course Is For

This course is suitable for:

WordPress developers
SEO specialists
Freelancers
Website administrators
Digital marketers
Technical SEO beginners who already understand basic SEO concepts
Anyone who manages WordPress client websites

Basic knowledge of WordPress is recommended before taking this course.

How to perform a practical technical SEO audit on a WordPress website
How to identify critical SEO issues using SEO audit tools
How to understand what each technical SEO issue means
How to investigate the root cause of SEO problems
How to fix common WordPress technical SEO issues
How to check canonical, indexing, crawlability, redirects, and sitemap issues
How to troubleshoot broken links, 4xx errors, 5xx errors, and internal URL problems
How to diagnose page speed and performance-related SEO issues
How to check HTTPS, security, and technical validation problems
How to verify whether an SEO issue has been properly fixed
How to use tools such as Sitechecker and SEMrush for technical SEO auditing
How to apply a practical Detect → Investigate → Fix → Validate workflow

Course Content

Link Structure and Crawlability Issues
Learn how internal and external links affect website crawlability, page discovery, and technical SEO. In this topic, you will identify common link-related problems found during a WordPress SEO audit, understand why SEO crawlers flag them, and learn practical ways to investigate and fix each issue.

How to Find and Fix Orphan Pages
How to Identify and Fix Non-HTTP Links
How to Fix Malformed Links and Invalid href Values
How to Manage Pages With Too Many External Links

Indexing, Canonicalization, and Crawl Control Issues
Understand how search engines crawl, interpret, and index WordPress pages. This topic covers canonical tags, robots directives, HTML document structure, blocked resources, indexing conflicts, and other technical SEO issues that can prevent search engines from correctly processing your website.

Noscript in head contains invalid HTML elements
Canonical to non-200
Canonical is empty
Canonical from HTTP to HTTPS
Canonical from HTTPS to HTTP
Double slash in URL
Mismatched canonical tag in HTML and HTTP header
Canonical outside of head
Canonical points to a disallowed URL
Canonical points to a noindex URL
Canonical points to another canonicalized URL
Canonicalized URL is noindex, nofollow
More than one <body> tag on page
More than one </body> tag on page
More than one </head> tag on page
More than one </html> tag on page
More than one <head> tag on page
More than one <html> tag on page
Page has content after </html>
Closing </body> tag is missing
Closing </head> tag is missing
</html> tag is missing
<head> tag is missing
<body> tag is missing
<html> tag is missing
Page has disallowed CSS files
Page has disallowed images
Page has disallowed JavaScript files
Page has no declared character encoding
Mismatched nofollow directives in HTML and header
Mismatched noindex directives in HTML and header
Page has content before <!doctype html>

Content Relevance
Learn how technical problems involving page titles, content, HTML structure, and placeholder text can reduce content quality and create confusing signals for search engines. You will learn how to audit these elements and correct them in WordPress.

Duplicate Content and Page Similarity Issues
Learn how duplicate URLs, headings, titles, and technically identical pages can create unclear search engine signals. This topic teaches practical methods for identifying duplicate content and consolidating competing URLs on WordPress websites.

Security

Broken Pages, Resources, and Internal URL Issues
Learn how to troubleshoot broken internal pages and website resources that affect crawling, user experience, and technical SEO. This topic covers HTTP errors, broken images, JavaScript, CSS files, invalid URLs, and development URLs accidentally published on live websites.

Redirects and URL Redirection Problems
Learn how redirects affect crawling, link equity, website performance, and URL management. This topic covers common redirect problems including redirect chains, incorrect destinations, trailing slash conflicts, and broken internal redirects.

HTML, Code, and Technical Validation Issues
Learn how invalid HTML, missing document declarations, tracking code placement, and PHP errors can affect website rendering and crawling. This topic teaches practical methods for checking the technical integrity of WordPress pages.

Search Visibility and Google Search Console Issues
Learn how technical SEO audit data can be combined with Google Search Console performance data to find pages with indexing, crawling, canonicalization, or search visibility problems. This topic teaches you how to investigate URLs based on impressions and clicks instead of relying only on crawler data.

Mobile Usability and Responsive SEO Issues

XML Sitemap and Search Engine Discovery Issues
Learn how XML sitemaps help search engines discover important website URLs and how incorrect sitemap entries can waste crawl resources or send conflicting indexing signals. You will learn how to audit WordPress XML sitemaps and fix common sitemap problems.

International SEO and Hreflang Issues
Learn how language targeting and hreflang annotations help search engines serve the correct regional or language version of a page. This advanced technical SEO topic covers common hreflang implementation errors, conflicting language signals, redirects, canonicalization, and indexability problems.

HTML lang attribute invalid
HREFLANG annotation invalid
More than one page for same lang code in hreflang
Page referenced for more than one language in hreflang
Self-reference hreflang annotation missing
Hreflang Points to a Non-Canonical URL
Has outgoing hreflang annotations using relative URLs
Hreflang and HTML Language Declarations Do Not Match
Has outgoing hreflang annotations to redirecting URLs
Invalid incoming hreflang annotations
Noindex URL has incoming hreflang
Missing reciprocal hreflang (no return-tag)
Has outgoing hreflang annotations to noindex URLs
Has outgoing hreflang annotations to disallowed URLs
Has outgoing hreflang annotations to invalid URLs
Canonicalized URL has incoming hreflang
Disallowed URL has incoming hreflang
Has conflicting incoming hreflang annotations

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About Course

Who This Course Is For

What Will You Learn?

Course Content

How to Find and Fix Orphan Pages

How to Identify and Fix Non-HTTP Links

How to Fix Malformed Links and Invalid href Values

How to Manage Pages With Too Many External Links

Noscript in head contains invalid HTML elements

Canonical to non-200

Canonical is empty

Canonical from HTTP to HTTPS

Canonical from HTTPS to HTTP

Double slash in URL

Mismatched canonical tag in HTML and HTTP header

Canonical outside of head

Canonical points to a disallowed URL

Canonical points to a noindex URL

Canonical points to another canonicalized URL

Canonicalized URL is noindex, nofollow

More than one <body> tag on page

More than one </body> tag on page

More than one </head> tag on page

More than one </html> tag on page

More than one <head> tag on page

More than one <html> tag on page

Page has content after </html>

Closing </body> tag is missing

Closing </head> tag is missing

</html> tag is missing

<head> tag is missing

<body> tag is missing

<html> tag is missing

Page has disallowed CSS files

Page has disallowed images

Page has disallowed JavaScript files

Page has no declared character encoding

Mismatched nofollow directives in HTML and header

Mismatched noindex directives in HTML and header

Page has content before <!doctype html>

Content Relevance Learn how technical problems involving page titles, content, HTML structure, and placeholder text can reduce content quality and create confusing signals for search engines. You will learn how to audit these elements and correct them in WordPress.

Duplicate pages without canonical

More than one <body> tag on page

Title is empty

Title is missing

More than one title tag on page

Lorem Ipsum content on the live site

Duplicate Content and Page Similarity Issues Learn how duplicate URLs, headings, titles, and technically identical pages can create unclear search engine signals. This topic teaches practical methods for identifying duplicate content and consolidating competing URLs on WordPress websites.

Title duplicates

Page has identical headings

Canonical loop

Technically duplicate URLs

Security

Used font in HTML/CSS not implemented via background header

Defense against cross-site scripting attack is not implemented

HTTPS page has internal link to HTTP

HTTP URLs

HTTPS URL contains a form posting to HTTP

4xx client errors

5xx server errors

Invalid URL

HTTP URL contains a password input field

Has link with a URL referencing localhost or 127.0.0.1

Page has broken CSS files

Page has broken images

Page has broken JavaScript files

Redirects and URL Redirection Problems Learn how redirects affect crawling, link equity, website performance, and URL management. This topic covers common redirect problems including redirect chains, incorrect destinations, trailing slash conflicts, and broken internal redirects.

Internal redirects have trailing slash reverse link

Redirect chains

Meta refresh redirect

Incorrect redirection case normalization

Internal URL redirect broken

Wrong URL redirects back to start

HTML, Code, and Technical Validation Issues Learn how invalid HTML, missing document declarations, tracking code placement, and PHP errors can affect website rendering and crawling. This topic teaches practical methods for checking the technical integrity of WordPress pages.

<html> tag is empty

Page has no declared <!doctype html>

Google Tag Manager code in <body>

Page has 0 impressions

Has indexable page that has at least 1 impression

Page is blocked by robots.txt and has at least 1 impression

Content Relevance
Learn how technical problems involving page titles, content, HTML structure, and placeholder text can reduce content quality and create confusing signals for search engines. You will learn how to audit these elements and correct them in WordPress.

Duplicate Content and Page Similarity Issues
Learn how duplicate URLs, headings, titles, and technically identical pages can create unclear search engine signals. This topic teaches practical methods for identifying duplicate content and consolidating competing URLs on WordPress websites.

Redirects and URL Redirection Problems
Learn how redirects affect crawling, link equity, website performance, and URL management. This topic covers common redirect problems including redirect chains, incorrect destinations, trailing slash conflicts, and broken internal redirects.

HTML, Code, and Technical Validation Issues
Learn how invalid HTML, missing document declarations, tracking code placement, and PHP errors can affect website rendering and crawling. This topic teaches practical methods for checking the technical integrity of WordPress pages.