Technical SEO
Crawling, indexing, rendering, redirects, structured data and Core Web Vitals. Most technical SEO is unglamorous and most of it only matters when it is wrong, at which point it matters more than anything else on this site. These posts cover the faults worth checking for and how to tell a real problem from a tool being noisy.
53 posts
PageSpeed Insights: What the Scores Mean and What to Fix
A plain guide to PageSpeed Insights: field data vs lab data, the Core Web Vitals thresholds, whether the score affects SEO and how to fix common problems.
31 October 2026Crawlable and Still Not Cited: What Sits Between the Two
Every AI crawler reads our site in full, yet we were named in 0 of 40 AI answers. What that rules out, and what nobody has tested yet.
24 September 2026Sitemap Audit for In-House SEO Teams
A regular sitemap audit ensures your XML file reflects your live site, improving crawl efficiency and indexing accuracy.
19 August 2026JSON-LD Schema Generator for Ecommerce Catalogues
Learn how to use a json-ld schema generator to boost ecommerce visibility with accurate product markup and rich results.
19 August 2026Structured Data Audit for Ecommerce Catalogues
Learn how to perform a structured data audit for ecommerce catalogues to fix schema errors and improve search visibility.
19 August 2026FAQ Schema Markup for Ecommerce Catalogues
Boost ecommerce visibility with faq schema markup. Learn how to audit and optimise your product pages for better SERP performance.
18 August 2026Orphan Page Detection for Sites Over 1000 Pages
Discover how to find and fix orphan pages on large websites using automated detection tools to improve your internal link graph.
18 August 2026SPA SEO for Next.js and Nuxt Applications
Optimise single page applications with practical spa SEO strategies for Next.js and Nuxt frameworks.
18 August 2026JavaScript SEO Audit for Next.js and Nuxt Applications
Learn how to run a javascript SEO audit for Next.js and Nuxt applications using real browser rendering.
18 August 2026Js SEO Tooling for Next.js and Nuxt Applications
Learn how to audit Next.js and Nuxt apps using js SEO tooling for rendering and performance.
18 August 2026Consolidate Duplicate Pages on Large Publisher Sites
Consolidate duplicate pages to improve search engine rankings.
10 August 2026Structured Data Audit: Rules That Actually Convert
A structured data audit improves search visibility, boosts conversions, and enhances LLM brand visibility through precise schema implementation.
7 August 2026JSON-LD Schema Generator: Rules That Actually Convert
A JSON-LD schema generator turns details about your content into valid structured data. Here is how it works and how it helps search engines read your pages.
7 August 2026FAQ Schema Markup: Rules That Actually Convert
Maximise your FAQ schema markup's impact with advanced strategies and UtilitySEO's tools for better conversions.
7 August 2026SPA SEO: What Real Chromium Catches
Learn how real Chromium rendering impacts SPA SEO, focusing on indexing dynamic content and implementing structured data for better search visibility.
7 August 2026Orphan Page Detection: The Anchor and Target Workflow
Learn about orphan page detection using an anchor and target workflow to improve internal linking and PageRank distribution.
7 August 2026Consolidate Duplicate Pages: A Practical Diagnosis Workflow
Consolidate duplicate pages to improve your website's SEO and user experience.
6 August 2026Core Web Vitals Audit: The Fix Patterns That Move the Score
Improve your website's user experience and search engine performance with a core web vitals audit.
6 August 2026INP Optimisation: The Fix Patterns That Move the Score
Learn advanced INP optimisation techniques for React, Angular, and Vue applications to improve Core Web Vitals and user experience.
6 August 2026Hreflang Audit: Asymmetric References and Missing Self-Refs
Learn how to perform a comprehensive hreflang audit, identify asymmetric references and missing self-references, and fix common multilingual SEO errors.
4 August 2026Redirect Chains: Detecting Them and Why Depth 3+ Hurts
Redirect chains, particularly those with three or more hops, negatively impact SEO and user experience; learn to detect and flatten them.
4 August 2026Duplicate Content Detection Using Simhash: How It Actually Works
Learn how simhash and Hamming distance identify duplicate content and how UtilitySEO helps proactively prevent near duplicates for better SEO.
4 August 2026Find in Site: When Grep for Your Website Beats a Sitemap
A dedicated find in site tool offers advanced website phrase search for content audits, brand mention audits, and legacy content detection.
4 August 2026FAQ Schema Markup: When It Helps and When It Hurts
Learn how FAQ schema markup remains valuable for SEO, even after Google's 2023 restrictions, and how to implement it effectively.
4 August 2026JSON-LD Schema Generator: What to Include for Each Page Type
Tailor your JSON-LD schema for product, article, FAQ, and organisation pages to gain rich results and improve search visibility.
4 August 2026Scheduled Weekly Crawls: The Cadence That Catches Regressions Fast
Weekly scheduled site crawls dramatically reduce detection latency for technical SEO issues, outperforming monthly audits for rapid regression identification.
4 August 2026Sitemap Audit: Checking the List Against Reality Not Just XML
A sitemap audit is vital for SEO, checking your XML against reality to ensure search engines find your most important content.
4 August 2026Canonical Tag Audit: The Common Mistakes on Large Sites
A thorough canonical tag audit is crucial for maintaining a healthy website, particularly for large sites with complex architectures.
4 August 2026Crawl Comparison: Diffing Two Site Snapshots To Isolate Change
Learn how crawl comparison isolates website changes between snapshots to identify SEO regressions and validate updates with precision.
4 August 2026SEO Load Testing: Verifying the Site Holds Under Traffic Surges
SEO load testing verifies site stability under traffic surges, crucial for capacity planning and scaling SEO efforts to protect rankings.
4 August 2026SEO for Headless CMS: Sanity Contentful and Strapi Patterns
Learn how to optimise headless CMS platforms like Sanity, Contentful, and Strapi for SEO with practical patterns and tools.
4 August 2026UtilitySEO vs Screaming Frog for JavaScript-Heavy Sites
A practical guide on debugging and resolving common JavaScript SEO issues, featuring a comparative analysis of specialized crawling tools.
4 August 2026Multi-Language SEO Setup: 11 Languages Without Breaking Hreflang
Learn to manage a multi language SEO setup for 11 languages, covering hreflang, AI translation, and measuring ROI for global reach.
4 August 2026JavaScript SEO: How Google Renders JavaScript, Common Problems and the Tools to Test It
How Google crawls, renders and indexes JavaScript, the common JavaScript SEO problems and how to fix them, SSR, SSG, hydration and why dynamic rendering is now a workaround, how to test, and a fair look at JavaScript SEO tools.
30 June 2026Best Image SEO Tools: An Honest Comparison for Small and Enterprise Teams
What image SEO covers, from alt text and WebP or AVIF to lazy loading, LCP and image sitemaps, how to check your website's images step by step, and an honest comparison of the image SEO tools worth using.
30 June 2026Faq Schema: The Complete Guide for 2026
Learn about faq schema and its benefits for your website's SEO.
30 June 2026Canonical Tags: The Complete Guide for 2026
Learn about canonical tags and their role in improving website SEO and preventing duplicate content issues.
30 June 2026Best Schema Markup Tools for SEO in 2026
The best schema markup tools for SEO, grouped by job: validators, generators, platforms that deploy schema at scale and crawlers that audit it site-wide, with who each suits, how to choose and how to check your schema works.
27 June 2026FAQ Schema: Generators, Testing and Does It Still Help
What FAQ schema is, what Google changed in 2026, where FAQ markup can still help with AI answers and other search engines, how to write and validate it, the best FAQ schema generators and plugins, and the mistakes to avoid.
27 June 2026How to Make Sure All Your Images Are Correctly Tagged and Sized
Learn how to tag and size images correctly during your SEO audit to boost page speed and rankings.
24 March 2026How to Find Phrases Across Your Website: A Complete SEO Site Analysis Guide
Learn how to find specific phrases across your entire website using SEO site analysis tools and why this matters for your search rankings.
23 March 2026UtilitySEO vs Sitebulb: Page Speed SEO Impact Comparison
Create a data-driven framework to calculate the roi of page speed improvements by industry vertical and gauge page speed SEO impact.
7 January 2026Shopify-Specific SEO Audit: Theme, Apps, and Schema
A focused SEO audit for Shopify stores, covering the theme issues, app conflicts, and schema gaps unique to the platform.
21 December 2025Duplicate Content Checker: How to Find and Fix Duplicate Content, and the Tools to Use
Internal and external duplicate content explained, what causes each, what the Semrush duplicate content checker actually reports, how to fix every type, and a fair comparison of duplicate content tools including Siteliner, Copyscape and UtilitySEO.
3 December 2025UtilitySEO vs Screaming Frog: How to Fix Technical SEO Issues
How UtilitySEO and Screaming Frog compare for finding and fixing technical SEO issues such as crawl errors, slow pages and structured data problems.
27 November 2025Website Not Indexed? 8 Tools That Show You Why
Find out why your website is not indexed. Compare tools for diagnosing indexing problems on new and established sites, and focus on the fixes that matter.
25 November 2025SEO Audit Checklist: A Technical Website Audit Checklist, With the Tools to Use
A usable SEO audit checklist grouped by area: crawling and indexing, site architecture, on-page, Core Web Vitals, structured data, mobile, hreflang, duplicate content, links and AI crawler access, with how to check each item and which free or paid tool to use.
18 November 2025UtilitySEO vs Ubersuggest: Technical SEO Issues List Comparison
How UtilitySEO and Ubersuggest find and prioritise technical SEO issues, from crawlability problems to JavaScript rendering.
15 November 2025Core Web Vitals Audit: How to Check and Fix LCP, INP and CLS
A plain English Core Web Vitals audit: Google's thresholds for LCP, INP and CLS, field vs lab data, a step-by-step check and the fixes that work.
7 November 2025Sitemap Errors on Multilingual and Hreflang Sites
The specific sitemap errors that hit multilingual sites running hreflang, and how to diagnose them without endless trial and error.
28 October 2025Robots.Txt Issues: Complete Guide
A complete guide to identifying, fixing, and preventing robots.txt issues that harm your website's search visibility.
20 October 2025Technical SEO Issues List: 15 Common Problems, How to Find and Fix Them
The full technical SEO issues list: robots.txt blocks, stray noindex, broken links, redirect chains, canonical errors, Core Web Vitals, JavaScript rendering, hreflang, sitemaps and more, with how to find each one, how to fix it, how urgent it is, and the tools to use.
10 October 2025Website SEO Audit: How to Identify and Fix Technical SEO Problems
A website SEO audit helps uncover technical issues and opportunities that influence search visibility.
6 October 2025
Tools for technical seo
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