What is Error 500 "Internal Server Error": Meaning and How to Fix Issue

What is Error 500

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What is the 500 Status Code?

HTTP status code 500, also termed as “Internal Server Error,” represents a server-side error, implying that the issue arises from the website’s server and not the user’s computer or internet connectivity. It is a general error message the server generates when it is unable to handle a situation or load the page a user is looking for due to an unexpected condition.

The roots of this unexpected condition can be multifaceted. It might be due to a glitch in the server’s software, such as a bug in a script, complications with the server’s configuration, or even hardware-related issues on the server. When a server stumbles upon a scenario it can’t cope with, it returns a 500 status code.

Typically, web users can’t resolve a 500 error from their end since it’s essentially an issue that resides within the server hosting the webpage. The onus is on the server’s administrator or the website owner to identify and rectify the problems causing the user to be unable to load the page they’re looking for, resulting in a 500.

HTTP Status Code 500 Impact on SEO

From an SEO perspective, status code 500 has direct and indirect implications:

Crawling & Indexing Search engine bots, like Googlebot, when encountering repeated 500 status codes, could reduce the crawl rate due to perceived server instability.
Moreover, these pages will not be indexed, leading to a potential decrease in the size of your website’s indexed footprint.
User Experience (UX) & Bounce Rate A site plagued with 500 errors will likely see an increase in bounce rate as users can’t access the desired content.
High bounce rates are generally interpreted as negative user signals by search engines, which can further dampen your organic rankings.
Site Reliability & Authority Frequent 500 errors can hurt your website’s reliability and reputation, not just with users but also with search engines.
This can have a cascading effect on your site’s organic visibility and click-through rates (CTR).
Organic Traffic & Engagement Metrics Lower visibility in SERPs and reduced CTR can result in less organic traffic.
This, in turn, can influence engagement metrics such as time on site, pages per session, and others – factors that search engines consider as ranking signals.

Thus, managing 500 errors promptly and efficiently is vital for maintaining your site’s SEO performance. Regularly auditing your server logs, setting up error alerts, and employing server monitoring tools can help stay ahead of these issues.

500 Status Code Common Reasons and How to Fix Them

Maintaining website health is paramount. HTTP 500 errors can detrimentally affect crawlability and UX, impacting SERP rankings. Let’s discuss some causes and fixes:

1. Misconfigured .htaccess

The .htaccess file is often used to specify the security restrictions for the directory in which it is placed. Incorrect syntax or misconfiguration in this file can lead to a 500 error.

Review the .htaccess file for any syntax errors or incorrect directives. Consider temporarily removing or renaming it to diagnose if it's the source of the issue. Always make a backup before modifying it.

2. Faulty PHP Scripting

A common cause of 500 errors, particularly on websites that use PHP, is a faulty PHP script. This can be due to plugins, themes, or custom code.

Review the recent changes you made to your website's PHP scripts. Try disabling recently added plugins/themes, or revert to a previous version of your custom code. PHP error logs could be instrumental in pinpointing the problematic script.

3. Server Resource Limits

If your website is exceeding the server’s resource limits, you might face 500 errors. This often happens with shared hosting, where resources like memory or processing power are limited.

Monitor your website's resource usage and consider upgrading your hosting plan or optimizing your website to use resources more efficiently. Server logs and monitoring tools can help identify resource usage patterns.

4. File and Folder Permissions

Incorrect file and folder permissions can also result in a 500. This usually happens when permissions are too strict, preventing the server from reading files or directories.

Check the permissions for your files and folders. For most web servers, the correct permission for directories is 755, and for files, it's 644. Adjust as necessary, but be cautious not to make your files and directories overly accessible, as it can pose a security risk.

5. Problems with .htaccess directives

Misconfiguration or erroneous directives in your .htaccess file can also lead to 500 errors.

Review the directives in your .htaccess file to ensure they're correctly configured. If you recently added directives to the file, consider removing or commenting on them to see if the problem persists.

Just as with broken links, monitoring your website regularly for these common issues can help keep 500 errors at bay and maintain your website’s SEO performance. Tools like Google Search Console and other specialized website monitoring tools can be of great help.

HTTP Status Code Checker Tool for Identifying HTTP 500 Errors

Http Status Code Checker

SiteChecker Pro’s HTTP Status Code Checker is an efficient tool for detecting HTTP 500 errors. By simply inputting your website URL, the tool systematically scans your site like a crawler, highlighting pages with server-side issues that result in 500 errors.

The tool provides an all-encompassing analysis, scanning both internal and external links. It produces detailed reports of all encountered status codes, aiding in swift and effective troubleshooting. This insight allows SEO managers to focus on resolving issues that could significantly impact the site’s visibility and functionality.

Incorporating SiteChecker Pro into regular website audits allows you to identify and rectify HTTP 500 errors proactively. It supports the preservation of a crawlable, user-friendly site, upholding your SEO performance.


HTTP status code 500, or “Internal Server Error,” signals a generic error on the server side that prevents a page from loading. Recurring 500 errors can harm SEO, impacting crawl rates, bounce rates, site reliability, and organic traffic. Common triggers include .htaccess misconfigurations, faulty PHP scripts, server resource overuse, and improper file permissions. Regular monitoring, server audits, and tools like SiteChecker Pro’s HTTP Status Code Checker help identify and fix these errors, ensuring website health and sustaining SEO performance.

To fix a 500 ambiguous error, you need to diagnose the server-side issue causing it. This could involve checking for misconfigured .htaccess files, faulty PHP scripting, server resource limitations, or incorrect file and folder permissions. Using tools like SiteChecker Pro's HTTP Status Code Checker can help you identify pages returning this error.
Both 500 and 502 are HTTP status codes indicating server errors. A 500 status code is a generic server error message used when no specific message is suitable. A 502 status code, or 'Bad Gateway', occurs when a server, acting as a gateway or proxy, receives an invalid response from an inbound server.
A 404 error, or 'Not Found', is a client-side error indicating that the requested resource could not be found on the server but may be available in the future. On the other hand, a 500 error is a server-side error indicating that the server encountered an unexpected condition preventing it from fulfilling the request.
Both 500 and 503 are HTTP status codes representing server errors. A 500 status code represents an unexpected server condition that prevents it from fulfilling a client's request. A 503 status code, or 'Service Unavailable', indicates that the server is temporarily unable to handle the request, often due to being overloaded or under maintenance.
The 200-299 range of HTTP status codes represent successful responses. If you expect a status code within this range but receive a 500 instead, it indicates an 'Internal Server Error.' This server-side error means that the server encountered an unexpected condition that prevented it from fulfilling the request, like a problem with the server's configuration or an issue with the server-side scripting.
API status code 500 signifies that the server encountered an unexpected condition that prevented it from fulfilling a request. This is typically a server-side issue, which might be due to problems like incorrect server configuration, faulty server-side scripts, or server resource exhaustion.
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