
Part ofLocal SEO·Google Maps rankings, Google Business Profile, citations, and review acquisition for Indian SMEs.
You have probably seen the term "SEO audit" everywhere — but what does it actually mean? And more importantly, what will it tell you about your website? This guide explains every factor a proper SEO audit checks, why each one matters, and what to do about the results.
At the end, you can run a free audit on your own website and get a detailed report in seconds.
What Is an SEO Audit?
An SEO audit is a comprehensive health check for your website. It analyses your site against the factors that Google and other search engines use to decide rankings. Think of it like a medical checkup — it finds problems before they become serious and tells you what is healthy and what needs attention.
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A good audit checks three categories:
- On-page SEO — Content, headings, meta tags, keywords, images
- Technical SEO — Speed, mobile-friendliness, security, crawlability
- Off-page signals — Structured data, social presence, backlink quality
What a Free SEO Audit Checks (30+ Factors Explained)
Meta Tags and Title Optimisation
Title Tag
The title tag is the blue clickable heading in Google search results. It is the most important on-page SEO factor. An audit checks:
- Does every page have a unique title tag?
- Is it between 50–60 characters? (Google truncates longer titles)
- Does it include relevant keywords?
- Is it descriptive and click-worthy?
Why it matters: Pages without title tags or with generic titles ("Home", "Untitled") almost never rank well.
Meta Description
The short text below the title in search results. An audit checks:
- Does every page have a meta description?
- Is it between 120–155 characters?
- Does it include a call to action?
Why it matters: While meta descriptions are not a direct ranking factor, they affect click-through rate (CTR) — which is.
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Canonical Tags
Canonical tags tell Google which version of a page is the "main" one — important if you have duplicate or similar content.
- Does every page have a canonical tag?
- Is it pointing to the correct URL?
Heading Hierarchy
Proper heading structure (H1, H2, H3) helps Google understand your content and improves accessibility.
- Does every page have exactly one H1 tag?
- Are headings used in logical order (H1 → H2 → H3)?
- Do headings include relevant keywords naturally?
- Are there any skipped levels (H1 → H3 with no H2)?
Image Optimisation
Images are often the largest files on a webpage. An audit checks:
- Do all images have alt text? (Required for accessibility and SEO)
- Are images compressed? (Large images slow down your page)
- Are modern formats used? (WebP is 30–50% smaller than JPEG/PNG)
- Are image dimensions specified? (Prevents layout shifts)
Common finding: 80% of websites we audit have missing alt text on at least half their images.
Core Web Vitals
Core Web Vitals are Google's official metrics for user experience. They are a confirmed ranking factor since 2021.
LCP — Largest Contentful Paint
How long it takes for the main content to appear on screen. Good: under 2.5 seconds. Poor: over 4 seconds.
FID / INP — First Input Delay / Interaction to Next Paint
How quickly your site responds when someone clicks a button or link. Good: under 100 milliseconds. Poor: over 300 milliseconds.
CLS — Cumulative Layout Shift
How much the page layout moves around while loading. You know that annoying thing where you try to click a button and the page shifts, so you click something else? That is CLS. Good: under 0.1. Poor: over 0.25.
Mobile Responsiveness
Over 75% of Indian internet users access the web through mobile phones. Google uses mobile-first indexing — it primarily looks at the mobile version of your site.
- Does your site look good on mobile screens?
- Are buttons and links large enough to tap?
- Is text readable without zooming?
- Does the viewport meta tag exist?
Page Speed
Beyond Core Web Vitals, overall page speed affects both ranking and user experience.
- What is your total page load time?
- How large is your page (total file size)?
- How many HTTP requests does your page make?
- Is browser caching enabled?
- Is GZIP/Brotli compression active?
Benchmark: For Indian users on average mobile connections, your page should load in under 3 seconds.
Structured Data (Schema Markup)
Structured data helps Google understand your content and can earn you rich snippets (star ratings, FAQ dropdowns, product prices in search results).
- Does your site have any structured data?
- Is it valid (no errors)?
- Are you using relevant types? (LocalBusiness, Product, FAQ, BreadcrumbList)
Why it matters: Pages with rich snippets get 20–30% more clicks than plain results. Structured data is also critical for appearing in AI search results (ChatGPT, Gemini, Perplexity).
Security (HTTPS / SSL)
- Does your site use HTTPS?
- Is the SSL certificate valid and not expired?
- Are there any mixed content warnings (HTTP resources on an HTTPS page)?
Why it matters: Google gives a ranking boost to HTTPS sites. Chrome marks HTTP sites as "Not Secure" — which destroys trust.
Broken Links
- Are there any internal links pointing to pages that do not exist (404 errors)?
- Are there broken external links?
Broken links waste "link equity" (the ranking power that flows between pages) and create a poor user experience.
Crawlability
- Does your site have a robots.txt file? Is it configured correctly?
- Does your site have an XML sitemap? Is it submitted to Google Search Console?
- Are important pages accidentally blocked from crawling?
- Is your site's URL structure clean and logical?
Content Quality Signals
- How many words are on your key pages? (Thin content under 300 words rarely ranks)
- Is content original? (Duplicate content from other sites is penalised)
- Are keywords present in the content naturally?
- Do pages have a clear topic focus?
Social and External Signals
- Does your site link to social media profiles?
- Is there an Open Graph image and description for social sharing?
- Does the site have a Google Business Profile linked?
How to Read Your Audit Report (Priority Order)
Not all audit findings are equally important. Here is the priority order for fixing issues:
| Priority | Category | Fix Impact |
|---|---|---|
| 🔴 Critical | No HTTPS, site not indexed, broken homepage | Immediate — site is basically invisible |
| 🟠 High | Missing title tags, slow page speed, not mobile-friendly | Significant ranking improvement |
| 🟡 Medium | Missing meta descriptions, broken links, missing alt text | Moderate improvement |
| 🟢 Low | Missing structured data, social tags, minor CLS issues | Nice to have, improves over time |
Rule of thumb: Fix critical and high-priority issues first. These give you 80% of the improvement for 20% of the effort.
If you want to see what the markup, HTTPS and speed checks above look like across a whole industry rather than one site, we ran them on 333 solar installers listed on Tamil Nadu's government vendor portal. Among the sites that existed, 39% had no meta description, 32% had no H1 heading, and 5% had a TLS problem — which puts the priority table above in perspective.
Free Audit vs Paid Audit: What Is the Difference?
| Feature | Free Audit | Paid / Professional Audit |
|---|---|---|
| Pages scanned | 1–10 pages | Entire site (100–10,000+ pages) |
| Technical depth | Surface-level checks | Deep crawl, JavaScript rendering, log analysis |
| Competitor analysis | Not included | Compares you against top competitors |
| Actionable recommendations | General tips | Specific, prioritised action plan |
| Backlink analysis | Not included | Full backlink profile review |
| Content gap analysis | Not included | Identifies missing topics and keywords |
| Cost | ₹0 | ₹5,000 – ₹25,000 (one-time) |
A free audit is an excellent starting point. It catches the most common issues and gives you quick wins. A paid audit is worth it when you have fixed the basics and want to compete for high-value keywords.
Try Our Free SEO Audit Checker
We built a free SEO audit checker specifically for Indian businesses. Enter your website URL and get a detailed report covering:
- Overall SEO health score (0–100)
- Meta tag analysis (title, description, canonical)
- Heading structure review
- Image optimisation check
- Page speed and Core Web Vitals
- Mobile responsiveness
- Security (HTTPS) check
- Structured data validation
- Broken link detection
No signup required. No email needed. Just enter your URL and get results in under 30 seconds.
Already know your site needs work? Our SEO services start at ₹4,999/month — we handle the technical fixes while you focus on running your business.
What Is an SEO Audit and Why Is It Important?
An SEO audit is a systematic, in-depth analysis of how well your website is optimised for search engines. It examines every factor that affects your visibility on Google — from the content on your pages to the technical infrastructure that serves them. Think of it as a comprehensive diagnostic report that tells you exactly what is working, what is broken, and what needs improvement to rank higher and attract more organic traffic.
An SEO audit typically covers three core areas. On-page SEO evaluates your content quality, keyword usage, title tags, meta descriptions, heading structure, internal linking, and image optimisation. Technical SEO checks your site speed, mobile-friendliness, crawlability, indexation status, XML sitemap, robots.txt configuration, SSL security, and Core Web Vitals. Off-page SEO analyses your backlink profile, domain authority, structured data markup, social signals, and brand mentions across the web.
Why is an SEO audit important? Google uses over 200 ranking factors, and any one of them could be holding your site back without you knowing. A website that loaded fast two years ago may now be slow due to accumulated plugins, unoptimised images, or outdated code. Pages that ranked well may have dropped because competitors published better content or because a Google algorithm update changed the rules. An audit catches these issues before they cause significant traffic loss. For Indian businesses competing in crowded local markets, even small technical improvements — fixing a broken canonical tag, compressing images, adding structured data — can mean the difference between page 1 and page 3. We recommend running a basic audit every 1–3 months and a comprehensive audit after any major website change such as a redesign, platform migration, or hosting switch.
For the latest search engine guidelines, refer to Google's Search Essentials documentation.
Need Help With Your Project?
Tell us what you're building — we'll send a detailed proposal with timeline and cost breakdown within 24 hours.
Frequently Asked Questions
How often should I run an SEO audit?
Will an SEO audit improve my ranking?
How much does a professional SEO audit cost in India?
Free tools (like ours) give you a solid baseline at ₹0. Professional audits from agencies range from ₹5,000 to ₹25,000 depending on site size and depth. Enterprise audits for large sites (1,000+ pages) can cost ₹50,000+.
What is a good SEO audit score?
Can I fix SEO issues myself or do I need a developer?
What is the difference between an SEO audit and a website audit?
They are often used interchangeably. An "SEO audit" focuses on search engine optimisation factors. A "website audit" may also include design, usability, conversion rate, and security. Our free tool covers the SEO essentials that have the biggest impact on your Google ranking.
About the author
Ashok Kumar co-founded Redpulse Software in Karur, Tamil Nadu in 2010 with a single conviction: enterprise-grade software should not be a metro-only privilege. Sixteen years and 200+ projects later, that founding bet has held. Redpulse delivers the same engineering quality used by Bangalore and Chennai agencies, at Tier-2 operating cost, for businesses across India.
Ashok leads the company's business strategy, client relationships, and project management practice. He is hands-on across engagements. From the first 30-minute discovery call through the final launch readiness review, he is on every weekly client call. His technical depth is in digital marketing strategy and search optimisation. It also covers the operational discipline of running multi-channel growth programmes for Indian SMEs.
The clients Ashok has worked with span textile exporters in the Coimbatore-Tirupur belt and hospital networks across Tamil Nadu. The list also includes SaaS startups in Chennai's Tidel Park, retail chains, education institutions, and family-business manufacturers in Karur, Erode, and Salem. The pattern across all of them is the same. These are businesses that needed a real digital partner to take them from Excel-and-WhatsApp operations to digitally-instrumented growth. Not a freelancer, not a metro agency carrying metro overhead.
Outside the company, Ashok writes regularly on the Redpulse blog about practical digital marketing for Indian SMEs. His focus is transparent pricing, attribution measurement, and what actually works for businesses operating outside the venture-funded startup bubble.
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