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Most web performance problems stem from the application itself, not server issues. These four simple tests—static content, PHP page, SQL query, and application—help quickly pinpoint whether your bottleneck is server, network, database, or code-related.
A MariaDB upgrade from 10.2 to 10.4 caused a critical query to go from 8 seconds to over 30 minutes. The culprit wasn't data growth — it was a change in default optimizer switches. Here's how we diagnosed and fixed it
Learn how to identify problematic bots attacking your server by analyzing web logs with GoAccess instead of relying on outdated bot lists. Filter out legitimate crawlers and create custom reports to protect your website's performance.
Bad bots can overload your cPanel server. Here's how to block bad bots in Apache using pre-virtual host configuration or .htaccess rules.
Boost email deliverability by optimizing Exim's outdated timeout settings in cPanel. Learn to reduce message queue times from days to hours, improve bounce handling, and prevent blacklisting with modern configuration adjustments.
If the CBL blacklist is blocking you email, we can help. See our four step removal process to quickly get your server out of the Composite Blocking List.
Did the InvaluementSIP Blacklist block your email? Learn how to check and remove your IP from the email blacklist with this easy 4 step process.
Did the Spamhaus Blacklist block your email? Learn how to check and remove your IP from the email blacklist with this easy 4 step process.
If your server's IP is on the SpamCop block list, your server is sending spam -- usually large amounts of spam. False positive rates on SpamCop are low thanks to a reputation system they use to list IPs. Generally, if your IP is on their list, you have a spam problem.
Getting blocked by spam blacklists? This comprehensive guide shows you how to remove your email server from major ISP blacklists including Gmail, Yahoo, Hotmail, AT&T, and more.
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