Spider Simulator - See Your Page as Googlebot

A spider simulator shows you what a search engine crawler can read on a webpage: the title, meta description, headings, internal links, visible text and raw HTML. Enter any public URL and this free spider simulator returns those elements in organized tabs, so you can spot missing or hidden content before it costs you rankings.

What Is a Spider Simulator?

A spider simulator is a tool that fetches a page and displays the content a crawler (also called a spider or bot) can extract from it. It strips away the design and shows the raw ingredients search engines use to understand a page.

Crawlers such as Googlebot request a URL, read the HTML the server sends back, and collect the title, meta tags, headings, text and links. A visitor sees colors, images and interactive menus. A crawler sees a stream of markup. When the two views differ a lot, important content may never be indexed.

This simulator reports five things for any URL you submit:

• Meta data: the title tag, meta description and meta keywords, with character counts and a length rating.
• Headings: every heading found on the page, grouped by level (H1, H2, H3 and so on).
• Internal links: links that point to the same site, marked dofollow or nofollow.
• Text content: the readable text with scripts, styles and tags removed.
• Source: the raw HTML of the page.

How to Use the Spider Simulator

You can run a check in under a minute. The form has one field and one button.

1. Type or paste the page address into the Enter Website URL field. The placeholder shows the format: https://example.com.
2. Use the full page address, not only the homepage, if you want to test a specific product, article or category page. If you leave out http or https, the tool adds it for you.
3. Complete the captcha if one is shown, then submit the form.
4. Read the summary at the top of the results, which shows the page address plus four numbers: Title Length, Desc Length, Headings and Links.
5. Switch between the tabs for meta data, headings, links, text and source to inspect each part of the page.
6. Use the Copy button on the text and source panels to copy that content for a comparison, a ticket or a client report.

To test another page, use the link at the bottom of the results to start a new check.

Worked Example: Checking a Product Category Page

Say you run an online shoe store and want to test https://example.com/trail-running-shoes. You paste the URL and submit it.

The summary reports a Title Length of 45, a Desc Length of 92, 6 headings and 3 links. The meta tab shows the title "Trail Running Shoes for Women | Example Store" with a Good rating, because 45 characters falls inside the recommended 30 to 60 range. The description is rated Too Short, since 92 is under the 120 to 160 range the tool recommends. The keywords panel reads "No meta keywords found", which is normal and not a problem.

On the headings tab you see one H1 and five H2s. Good. But the links tab lists only 3 internal links, and the text tab contains the intro paragraph and footer, with none of the 40 product names you can see in your browser.

That mismatch is the real finding. The product grid is probably loaded by JavaScript after the page opens, so the HTML a crawler receives does not contain it. Your next steps: expand the meta description to roughly 140 characters, and ask your developer to output the product names and links in the initial HTML or confirm the page is rendered for crawlers.

How Do You Read and Act on the Results?

Each tab answers a different question about crawlability, and each has a clear good result and a clear fix.

Meta Data Tab

The title and description each get a status of Good, Too Short, Too Long or Missing. A title between 30 and 60 characters and a description between 120 and 160 characters are rated Good. These are widely used guidelines for avoiding truncation in search results, not hard rules from Google.

• Missing title: add a unique title tag that starts with the main topic of the page.
• Too Long: trim filler words so the key phrase stays visible.
• Missing description: write a short summary with one benefit and a call to action.
• Meta keywords: if present, they are listed as chips. Google's Search Central documentation says it does not use the keywords meta tag for ranking, so an empty result is fine.

Headings Tab

The headings tab lists every heading found, with a count for each level. A healthy page usually has a single H1 that names the topic, followed by H2s for main sections and H3s for sub-points. If the tab says "No heading tags found on this page", the page may use styled paragraphs or divs instead of real heading tags. Replace them with proper H1 and H2 elements.

Links Tab

This tab lists the internal links the page exposes, numbered, with a dofollow or nofollow label. A link is labeled nofollow when its rel attribute contains nofollow. If you see "No internal links found on this page", your navigation may be script-generated or the page may be orphaned, and crawlers will have little to follow from it. Add plain anchor links to related pages.

Text Tab

The text tab shows the page copy as plain text. Read it top to bottom. If your main paragraphs, product details or prices are absent, a crawler is likely not seeing them either. If the text looks like navigation labels repeated over and over, your unique content may be buried under boilerplate.

Source Tab

The source tab is the raw HTML. Use it to search for a specific phrase, a canonical link, a robots meta tag or structured data. If a phrase you can see on screen is not in the source, it is added after load by scripts.

Who Benefits From a Spider Simulator?

Anyone who needs to confirm that content is readable without a browser benefits from it. Typical situations include:

• Launching a new page: confirm the title, description, H1 and links exist in the HTML before you request indexing.
• After a redesign or migration: compare the text and link counts with the old version to catch content that disappeared.
• Troubleshooting indexing: when a page is crawled but ranks for nothing, check whether the body copy is actually in the HTML.
• Auditing JavaScript-heavy sites: single-page apps and sites with tabs, accordions or lazy-loaded lists are the most likely to hide content.
• Client reporting: copy the text or source panel into an audit document as evidence.
• Competitor research: see how a public page structures its headings and internal links.

Best Practices and Troubleshooting Tips

A few habits make the output far more useful, and a few mistakes cause most confusing results.

• Test the exact URL you want indexed. The homepage can look perfect while a deep page has no title. Check the final, canonical address. If you are unsure which version is canonical, run the canonical tag checker too.
• Compare against the browser view. Open the page, select all, and compare it to the text tab. Anything visible in the browser but absent from the text tab deserves a closer look.
• Check balance, not only presence. A very thin text tab next to a huge source tab suggests heavy code. The code to text ratio checker puts a number on that.
• Fix the error first if the check fails. If you get an error instead of results, the page may be returning a 4xx or 5xx status, blocking automated requests, or the URL may have a typo. Confirm the status with the bulk HTTP status checker, especially across many URLs after a migration.
• Do not chase empty meta keywords. Spend that time on the title, description and headings instead.
• Keep one H1. Several H1s are not forbidden, but a single clear one makes the page topic easier to understand at a glance.
• Add structured data where it fits. After you confirm the basics, a FAQ schema generator can help you mark up question and answer content.

For a broader technical review, browse the website audit and performance tools, and for title and description work, the on-page SEO and meta tag tools.

What Are the Limitations?

This simulator shows a text-based approximation of a crawler's first look at a page, not a copy of Google's index. It reads the HTML your server returns. It does not run scripts the way a modern browser does, so content added later by JavaScript will not appear. Google can render JavaScript, but rendering can happen after the initial crawl, which is why having key content in the initial HTML is the safer choice.

Also note that the links tab lists internal links only, repeated addresses appear once, and empty or hash-only links are skipped. Pages behind a login, pages that block automated requests and pages that return error statuses cannot be checked. The length ratings are guidelines: Google may show a different title or snippet than the one you wrote.

Use the form on this page to run your first check, and fix the most important gap you find, whether that is a missing description, an absent H1 or body copy that never reached the HTML.