{"id":4577,"date":"2025-12-10T22:45:17","date_gmt":"2025-12-10T21:45:17","guid":{"rendered":"https:\/\/hidata.digital\/?p=4577"},"modified":"2026-01-09T13:51:35","modified_gmt":"2026-01-09T12:51:35","slug":"tech-seo-audit","status":"publish","type":"post","link":"https:\/\/hidata.digital\/en\/blog\/tech-seo-audit\/","title":{"rendered":"The technical SEO audit process + checklist"},"content":{"rendered":"<p><strong>Did you ever think that technical errors could take up to 30-40% of your website's organic traffic?<\/strong><\/p>\n<p>A technical SEO audit is therefore one of the most important basic steps if you want to have a truly competitive online presence.<\/p>\n<p>In this article, we'll guide you through how to spot hidden errors, improve your website's performance, and give you a handy Tech SEO checklist to make sure you don't miss anything.<\/p>\n<p>&nbsp;<\/p>\n<h2>Why is a technical SEO audit important?<\/h2>\n<p>Technical SEO is all about optimising under the hood of your website:<\/p>\n<p>to ensure that Google's robots can crawl, interpret and index your site seamlessly.<\/p>\n<p>A regular audit not only makes your website more transparent for Google, but also:<\/p>\n<ul>\n<li>speeds up page loading,<\/li>\n<li>improves the Core Web Vitals indicators,<\/li>\n<li>reduces the reversal rate,<\/li>\n<li>and contribute to a better user experience.<\/li>\n<\/ul>\n<p><strong>Did you know?<\/strong> - 53% of slow-loading websites are abandoned within 3 seconds (Source: Google, 2023)<\/p>\n<p>&nbsp;<\/p>\n<h2>The technical SEO audit process<\/h2>\n<p>A well-constructed tech SEO audit not only looks for errors, but also collects data, performs analysis and provides an improvement plan.<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Step by<\/b><\/td>\n<td><b>Activity<\/b><\/td>\n<td><b>Goal<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>1. Preparations<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Defining audit objectives and KPIs, selecting tools (e.g. <\/span><i><span style=\"font-weight: 400;\">Google Search Console<\/span><\/i><span style=\"font-weight: 400;\">, <\/span><i><span style=\"font-weight: 400;\">Screaming Frog<\/span><\/i><span style=\"font-weight: 400;\">, <\/span><i><span style=\"font-weight: 400;\">Ahrefs<\/span><\/i><span style=\"font-weight: 400;\">)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Precise focus<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>2. Manual check<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Usability, <\/span><i><span style=\"font-weight: 400;\">robots.txt<\/span><\/i><span style=\"font-weight: 400;\">, <\/span><i><span style=\"font-weight: 400;\">sitemap.xml<\/span><\/i><span style=\"font-weight: 400;\">, URL structure, index checking with \u201esite:\u201d operator<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Detection of structural errors<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>3. Crawl analysis<\/b><\/td>\n<td><span style=\"font-weight: 400;\">404 errors, duplicate content, canonical tags, redirects (301-302)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Correcting mapping errors<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>4. Search Console and mobile test<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Mobile friendly site, sitemap scanning, mobile indexing check<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Mobile and indexing optimisation<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>5. Website speed<\/b><\/td>\n<td><i><span style=\"font-weight: 400;\">PageSpeed Insights<\/span><\/i><span style=\"font-weight: 400;\"> and CWV (LCP, CLS, INP) testing<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Improve loading time<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>6. Structured data<\/b><\/td>\n<td><i><span style=\"font-weight: 400;\">Schema.org<\/span><\/i><span style=\"font-weight: 400;\"> implement elements (article, product, event)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Increase visibility in the SERP<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>Important steps that should not be left out of the process:<\/p>\n<ul>\n<li>Check your sitemap and robots.txt files.<\/li>\n<li>Check for 404 errors and redirects.<\/li>\n<li>Test the speed indicators and mobile-friendliness.<\/li>\n<li>Implement structured data.<\/li>\n<li>Update the audit quarterly.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>The three main CWV indicators<\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Indicator<\/b><\/td>\n<td><b>Report from<\/b><\/td>\n<td><b>Ideal value<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>LCP (Largest Contentful Paint)<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Loading time of the main content<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt; 2.5 sec<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>CLS (Cumulative Layout Shift)<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Visual displacement rate<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt; 0.1<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>INP (Interaction to Next Paint)<\/b><\/td>\n<td><span style=\"font-weight: 400;\">User interaction speed<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&lt; 200 ms<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>[Source: Google Page Experience Report, 2024]<\/em><\/p>\n<p>&nbsp;<\/p>\n<h2>Technical SEO audit checklist<\/h2>\n<p>Do you know what the most important tech SEO settings are?<\/p>\n<p>You can use the following checklist to check if your website is technically in 100% state.<\/p>\n<p>Here's the HiData tech SEO checklist used by our experts:<\/p>\n<p>\u2705 Crawlability &amp; Indexing<\/p>\n<ul>\n<li>Robots.txt properly configured<\/li>\n<li>Sitemap.xml contains all the pages you want to index<\/li>\n<li>No important URLs blocked<\/li>\n<\/ul>\n<p>\u2705 Speed and Performance<\/p>\n<ul>\n<li>LCP &lt; 2.5 seconds<\/li>\n<li>CLS &lt; 0.1<\/li>\n<li>Images optimized (WebP, lazy load)<\/li>\n<li>CSS and JS minified<\/li>\n<\/ul>\n<p>\u2705 Mobile optimisation<\/p>\n<ul>\n<li>Mobile-friendly design verified (Google Mobile-Friendly Test)<\/li>\n<li>Experience errors fixed<\/li>\n<\/ul>\n<p>\u2705 Structured data<\/p>\n<ul>\n<li>Schema.org markup set up<\/li>\n<li>No incorrect structured data<\/li>\n<\/ul>\n<p>\u2705 Security and URL structure<\/p>\n<ul>\n<li>HTTPS in use<\/li>\n<li>Logical URL structure<\/li>\n<li>404 and redirection errors fixed<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>Technical SEO audit at HiData<\/h2>\n<p>HiData's technical SEO audit service aims to not only detect errors, but also provide concrete suggestions for improvement.<\/p>\n<p>Why choose us?<\/p>\n<ul>\n<li>We produce a detailed, transparent report.<\/li>\n<li>We prioritise the mistakes and opportunities.<\/li>\n<li>We will develop an individual strategy for improvement.<\/li>\n<li>We provide continuous monitoring.<\/li>\n<\/ul>\n<p>Learn more: tech SEO service '<\/p>\n<h2><\/h2>\n<h2>Why do you need a technical SEO audit?<\/h2>\n<p>A technical SEO audit is like a thorough health check:<\/p>\n<p>detects invisible errors before they cause serious problems.<\/p>\n<p>&nbsp;<\/p>\n<p>Who regularly audits their website:<\/p>\n<ul>\n<li>run a faster, more stable website,<\/li>\n<li>improve your Google ranking,<\/li>\n<li>and in the long term, achieve significant traffic growth.<\/li>\n<\/ul>\n<p><strong>Did you know?<\/strong> - At HiData Tech SEO audit, we not only analyse but also fix the problems - so every improvement yields measurable results.<\/p>\n<p>&nbsp;<\/p>\n<h2>Frequently asked questions about Technical SEO audit<\/h2>\n<p>1. What is a technical SEO audit?<br \/>\nA technical SEO audit is a comprehensive analysis that identifies technical flaws in your website and ways to improve it for better search engine optimization.<\/p>\n<p>2. How often is an audit recommended?<br \/>\nAt least twice a year, or quarterly for larger sites.<\/p>\n<p>3. What tools does HiData use during the technical SEO audit?<br \/>\nGoogle Search Console, Ahrefs, SEMrush, Screaming Frog, PageSpeed Insights.<\/p>\n<p>4. How long does it take to complete a full audit?<br \/>\n3-10 working days depending on the size of the website.<\/p>\n<p>5. Why is HiData's audit better?<br \/>\nBecause we not only identify the errors, we also deliver a plan for improvement - so a Tech SEO audit delivers real results.<\/p>\n<p>&nbsp;<\/p>\n<p>Want to know how \u201ehealthy\u201d your website is from a technical point of view?<\/p>\n<p>Get a free technical SEO pre-audit from the HiData team and improve your Google rankings today!<\/p>","protected":false},"excerpt":{"rendered":"<p>Would you have thought that technical errors could take away 30\u201340% of your website's organic traffic? That's why a technical SEO audit is one of the most important first steps if you want a truly competitive online presence. In this article, we'll walk you through how to uncover hidden errors, improve your website's performance, and provide you with a handy Tech SEO checklist to make sure you don't [\u2026]<\/p>","protected":false},"author":2,"featured_media":4580,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[11,23],"tags":[],"class_list":["post-4577","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo","category-technikai-seo"],"_links":{"self":[{"href":"https:\/\/hidata.digital\/en\/wp-json\/wp\/v2\/posts\/4577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hidata.digital\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hidata.digital\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hidata.digital\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hidata.digital\/en\/wp-json\/wp\/v2\/comments?post=4577"}],"version-history":[{"count":2,"href":"https:\/\/hidata.digital\/en\/wp-json\/wp\/v2\/posts\/4577\/revisions"}],"predecessor-version":[{"id":4730,"href":"https:\/\/hidata.digital\/en\/wp-json\/wp\/v2\/posts\/4577\/revisions\/4730"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hidata.digital\/en\/wp-json\/wp\/v2\/media\/4580"}],"wp:attachment":[{"href":"https:\/\/hidata.digital\/en\/wp-json\/wp\/v2\/media?parent=4577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hidata.digital\/en\/wp-json\/wp\/v2\/categories?post=4577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hidata.digital\/en\/wp-json\/wp\/v2\/tags?post=4577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}