Users attempting to access the author's blog are being blocked due to outdated browser versions that are often used by high-volume crawlers, particularly for data collection for LLM training. The author encourages users to contact him if they believe this block is in error and suggests using archive.org for better archiving practices compared to other services that mimic malicious behavior.

The author explains that users with outdated browser versions may encounter access issues due to anti-crawler measures implemented to mitigate high-volume scraping activities. This includes a warning about certain archiving services that mimic malicious crawlers, suggesting users switch to archive.org for a better experience.

Users attempting to access the author's blog are encountering restrictions due to their use of outdated browsers, which are flagged as potentially harmful by anti-crawler measures. The author explains the issue stems from a rise in high-volume crawlers mimicking old browser user agents and suggests using a different archiving service for better compatibility.