SEO Auditor
Free website SEO Auditor that performs 25+ checks across On-Page SEO, Technical SEO, and Social Media tags. Instantly analyze any URL for title tag, meta description, H1/H2 headings, image alt text, canonical URL, HTTPS, viewport, schema markup, Open Graph, and Twitter Card tags. Get an overall SEO score from 0–100 with actionable recommendations.
Auditing your website…
Title Tag
Meta Description
H1 Heading
Count: — (Optimal: exactly 1)
H2 Headings
Found: — H2 tags
Content Word Count
Total words: —
Pages with 600+ words tend to rank significantly better in search results.
Image Alt Attributes
Total images: — | Missing alt: —
Alt text improves accessibility and helps images rank in Google Image Search.
Internal & External Links
Internal links: — | External links: —
Good internal linking helps Google discover and index all your pages.
HTTPS / SSL Security
HTTPS is a confirmed Google ranking signal. Secure sites build user trust.
Canonical URL Tag
Prevents duplicate content issues by specifying the preferred URL for indexing.
Robots Meta Tag
Value: —
Noindex Detection
A noindex directive blocks Google from indexing this page entirely.
Viewport / Mobile-Ready
Google uses mobile-first indexing. A missing viewport tag harms mobile rankings.
Favicon
Structured Data (Schema.org)
Schema markup enables rich results (star ratings, FAQs, events) in Google Search.
HTML Language Attribute
Value: —
The lang attribute helps search engines and screen readers understand the page language.
HTML5 Doctype
Character Encoding
Charset: —
Server Response Time
Loaded in: —
Under 1 second is excellent. Over 3 seconds signals performance issues to Google.
How to Use SEO Auditor
Enter URL
Type or paste any website URL starting with https:// or http://
Click Audit SEO
Our server fetches and analyzes the page HTML across 25+ SEO factors.
Review Your Score
View your 0–100 SEO score with pass/warning/fail breakdown by category.
Who Uses SEO Auditor?
SEO professionals auditing client websites, bloggers checking their own pages, digital marketers optimizing landing pages, web developers ensuring technical SEO compliance, small business owners checking their site health.
Why Use Our SEO Auditor?
25+ SEO checks in one tool
On-Page, Technical & Social tag analysis
Animated 0–100 SEO score
HTTPS, schema, canonical, viewport checks
Open Graph & Twitter Card analysis
100% Free — no registration needed
Frequently Asked Questions
What does this SEO Auditor check?
Our free SEO Auditor checks 25+ factors including title tag length, meta description, H1/H2 headings, word count, image alt text, internal and external links, canonical URL, HTTPS/SSL, robots meta tag, noindex detection, viewport tag, favicon, structured data (JSON-LD schema), HTML lang attribute, HTML5 doctype, character encoding, Open Graph tags (og:title, og:description, og:image), and Twitter Card tags.
Is this SEO Auditor completely free?
Yes, our SEO Auditor tool is 100% free with no account registration, API keys, or payment required. It works by fetching your page from our server and parsing the HTML directly.
How is the SEO score (0–100) calculated?
The SEO score is a weighted average based on how many checks pass versus fail. Critical factors like HTTPS, title tag, meta description, and H1 heading carry more weight. The score updates in real time as you audit different URLs.
Why does my page show a low SEO score?
Common causes of a low SEO score include missing or poorly optimized title tags and meta descriptions, no H1 heading or multiple H1s, images without alt text, missing canonical tag, no HTTPS, absent Open Graph tags for social sharing, and no structured data markup.
Can I audit competitor websites with this tool?
Yes, you can audit any publicly accessible website URL including competitor sites. Simply paste their URL and click Audit SEO. This is a great way to benchmark your site against competitors and identify SEO opportunities.