Free SEO Analyzer Tool

Run a scan in three steps

1. Enter your URL. Paste your homepage or any page you want to check. You can type it with or without https://.
2. Click Analyze. The tool loads that page, then follows the internal links it finds and checks up to 12 pages from the same site.
3. Read the report. Each page gets its own score and a list of issues, with a short fix written under every one.

What this website SEO checker looks at

Every page is checked against ten on-page basics. These are the things search engines and social apps read first when they decide what a page is about and how to show it.

• Title tag: is there one, and is it between 15 and 65 characters? Longer titles usually get cut off in Google.
• Meta description: is there one, and is it between 50 and 160 characters?
• H1 heading: does the page have exactly one? Zero or several H1 tags make the main topic less clear.
• Image alt text: how many images have no alt attribute.
• Canonical tag: does the page tell search engines which URL is the main version?
• Content length: pages with fewer than about 150 words of readable text are flagged as thin. Code inside scripts and styles is not counted.
• Noindex: is the page telling search engines not to list it, through a robots meta tag or an X-Robots-Tag header?
• Social share tags: are og:title, og:description, og:image and twitter:card set, so shared links show a proper preview?
• Structured data: does the page have JSON-LD schema, and can it be read without errors?
• Speed and size: did the server answer within 1.5 seconds, and is the HTML under 500 KB?

Each page also gets a short details line with its response time, HTML size, number of internal and external links and the schema types found. Open "Heading outline and social preview tags" under a page to see every heading in order and the exact share tags it uses.

How to read your score

The score is the share of those ten checks a page passes. A check that is present but not quite right, like a title that is too long, counts as half a pass. A green badge means no issues were found. Amber means the page scored 70% or more but still has something to fix. Red means it scored below 70% or could not be loaded, so start there.

Fixing the most common issues

• Missing or long title: write one title per page that names the topic first and your brand last. On WordPress, plugins like Rank Math or Yoast let you set it without touching code.
• Missing meta description: write one or two plain sentences that say what the page offers. Google may rewrite it, but a good one still gets used often.
• No H1 or several H1s: keep a single H1 near the top of the page and turn other large headings into H2 or H3.
• Images without alt text: describe what the image shows in a few words. Decorative images can use an empty alt, but product and content images need real text.
• Thin content: add details people are actually looking for, such as steps, examples or answers to common questions. Filler words do not help.
• Noindex on an important page: this is the one issue to fix first. In WordPress, open the page in your SEO plugin and switch it back to index, then check that Settings > Reading does not discourage search engines.
• Missing social tags or schema: most SEO plugins fill these in for you once you set a default share image and your site details.

What a good result looks like

A healthy page has one clear title, a meta description that reads like a short pitch, a single H1, alt text on every content image, a canonical tag and enough text to answer the visitor's question. You do not need a perfect 100% on every page, but your homepage, main service or product pages and top blog posts should all come back green. Use this website SEO checker on those pages first, since they bring in most of your search traffic.

When to run an on-page SEO checker

Run a scan after you launch a new site, change your theme or publish a batch of new pages, because these are the moments when tags go missing without anyone noticing. A monthly check is enough for most sites after that.

This on-page SEO checker covers what you can fix in the page itself. It shows server response time, but it does not measure full Core Web Vitals, backlinks or keyword rankings, so use the free SEO analyzer as your first pass and pair it with Google Search Console for the rest. If your scan shows links that fail to load, run the broken link check next. When you are done, use Copy report or Print or save as PDF under the results to share the findings with your developer.

Official reference: Google's SEO Starter Guide covers the same on-page basics in Google's own words, so it is a good companion to the report above.