To determine the number of shares Squarespace, Inc. (NYSE: SQSP) has issued, you would best consult a variety of reliable sources including public financial reports, regulatory filings, and stock market resources. As of my knowledge cutoff in October 2023, I can't provide the current real-time data, but I can point you in the right direction to find this information:

1. Annual Reports and SEC Filings:
2. Form 10-K: This annual report provides a comprehensive overview of the company's financial performance and is filed annually with the U.S. Securities and Exchange Commission (SEC). Look for the "Consolidated Balance Sheets" or "Shareholders’ Equity" sections for information on shares issued and outstanding.
3. Form 10-Q: This is a quarterly report which also includes updated financial information and changes to share counts over the quarter.
4. Form S-1 (if applicable): For companies that have recently gone public, the S-1 registration statement will include details about share issuance.

You can access these documents via the SEC’s EDGAR database here.

1. Investor Relations Page: Squarespace’s Investor Relations website is another valuable resource. Companies often provide easy access to their financial filings, presentations, and other critical data, including the number of shares outstanding. Visit the Squarespace Investor Relations page directly.

2. Stock Market Data Platforms: Financial news and stock market databases such as Yahoo Finance, Bloomberg, or Google Finance often have sections dedicated to corporate financials where you can find current share counts and other related metrics. Simply search for Squarespace, Inc. using its ticker symbol (SQSP), and locate the "Statistics" or "Profile" section.

3. Press Releases: Sometimes, important updates on share counts can be found in official press releases from the company, particularly following major events like stock splits, share buybacks, or secondary offerings.

Practical Steps to Find Number of Shares:

1. Navigate to the SEC’s EDGAR Database:
2. Go to the SEC EDGAR database.
3. Enter "Squarespace, Inc." or the ticker symbol "SQSP" in the search bar.

4. Review the latest Form 10-K or Form 10-Q filings and look for the shares data.

5. Visit Squarespace’s Investor Relations Page:

6. Go to the Squarespace website.
7. Find and click on the “Investor Relations” section, usually located at the bottom of the homepage or via the “About Us” section.

8. Look for the latest financial reports or stockholder data.

9. Check Financial News Websites:

10. Use platforms like Yahoo Finance, Google Finance, or Bloomberg.
11. Search for "Squarespace, Inc." or the ticker "SQSP".
12. Check the “Key Statistics” or similar section for data on shares outstanding.

Considerations and Limitations:

• Timeliness: The number of shares can change due to various corporate activities such as stock splits, dividends, share buybacks, or new equity issuance. Always ensure you refer to the most recent data for accurate information.
• Types of Shares: Differentiate between “issued shares”, “outstanding shares”, and “authorized shares”.
• Issued shares represent the total number of shares the company has ever issued.
• Outstanding shares are the shares currently held by all shareholders, including insiders but excluding the company’s treasury shares.
• Authorized shares refer to the maximum number of shares that a company is allowed to issue according to its corporate charter.

By following these steps and considerations, you should be able to obtain the most accurate and current information regarding the number of shares Squarespace, Inc. has issued.