Free tool by Kunal Dabi — Google Certified SEO Expert in India | Secure Your Business Organic Success

Free Log File Analyzer for SEO

Analyze Apache and Nginx server access logs to understand crawl budget, bot traffic, indexability, and performance. Upload your log file and get actionable SEO insights in minutes — no sign-up required.

100% Free
No sign-up
Apache & Nginx
Crawl budget analysis
Unlimited file size

500MB+

Log file size

15+

Bots tracked

Formats supported

100%

Free forever

Start free log file analysis

Upload your access log, run the analyzer, and get a detailed SEO report. No sign-up required — just enter the daily access code.

Start Free Log File Analysis →

What is log file analysis?

Log file analysis examines your web server access logs (Apache Combined, Nginx, and similar formats) to understand how search engine bots and users interact with your site. Every request — from Googlebot crawling your pages to Bingbot indexing your product URLs — leaves a trace in these logs. By parsing request URLs, status codes, user agents, and response times, you can uncover SEO opportunities and technical issues that tools like Google Search Console cannot show in detail.

Unlike crawler-based tools that only see what they fetch, server logs show what actually happened: which bots visited, when they came, which URLs they hit, and how your server responded. This raw data is essential for crawl budget optimization, indexation audits, and technical SEO diagnostics.

Why analyze server logs for SEO?

Server logs contain raw data about every request to your website. Search engine bots (Googlebot, Bingbot, ChatGPT, etc.) leave traces in these logs. Analyzing them helps you:

Crawl budget efficiency — See what share of bot requests hit indexable pages vs. assets (CSS, JS) or low-value paths like /wp-admin/. Optimize crawl budget for what matters.
Bot coverage — Identify which pages are crawled and which are ignored by Googlebot and other bots. Find indexation gaps.
404 and 5xx errors — Find broken links and server errors that waste crawl budget and hurt UX.
Response time — Spot slow pages that may hurt rankings or reduce crawl rate.
Crawl patterns — Understand when bots visit and how deeply they crawl your site structure.
Sitemap vs. reality — Compare your sitemap with what bots actually crawled. Fix uncrawled pages.

Which bots are tracked?

Our analyzer detects and segments traffic from major search engines and crawlers, including:

Googlebot

Bingbot

Yahoo

DuckDuckBot

ChatGPT

Perplexity

AhrefsBot

SemrushBot

Applebot

Bytespider

Features

Crawl budget analysis

See how many bot requests hit indexable HTML vs. assets (CSS, JS) or low-value paths like /wp-admin/. Optimize crawl budget for what matters.

Bot traffic breakdown

Track Googlebot Mobile, Googlebot Desktop, Bingbot, ChatGPT, AhrefsBot, and more. See which bots crawl which URLs and when.

Sitemap vs. crawl status

Compare your sitemap URLs with what bots actually crawled. Find uncrawled pages and fix indexation gaps.

404 and 5xx reports

Export lists of broken pages and server errors. Fix them to free up crawl budget and improve UX.

Requests by date

Visual charts of bot requests and unique URLs over time. See crawl patterns and spikes.

Response time analysis

Identify slow pages by p50, p95, p99 response times. Focus optimization where it counts.

Who uses log file analysis?

Technical SEOsAudit crawl efficiency and fix indexation issues

AgenciesDeliver data-driven recommendations to clients

In-house SEOsMonitor bot behavior and optimize large sites

E-commerce teamsEnsure product pages are crawled and indexed

DevelopersDebug server responses and bot interactions

What you get

After uploading your log file, you receive an interactive dashboard with:

Summary: total requests, bot vs. human split, crawl efficiency %
Status code breakdown (200, 301, 404, 5xx)
Content type split: indexable HTML vs. assets vs. low-value paths
Per-bot request charts and unique URLs by date
Top crawled URLs, 404s, 5xx, redirects — exportable to CSV
Sitemap coverage: crawled vs. uncrawled URLs
Action plan with prioritized SEO tasks

Sample report summary

Bot requests: 45,230 | Crawl efficiency: 67% | Indexable: 30,304 | 404s: 892 | Top bot: Googlebot

Log analyzer vs. alternatives

Capability	This tool	GSC only	Paid tools
Crawl budget breakdown	✓	✗	✓
Bot traffic by type	✓	✗	✓
404/5xx from logs	✓	Partial	✓
Response times	✓	✗	✓
Cost	Free	Free	Paid

Supported formats

Works with Apache Combined log format (with optional response time extension), Nginx access logs, and similar formats. Accepts .log, .txt, or files with no extension. Upload multiple files to combine and analyze in one run.

How it works

Get today's access code (emailed daily to registered users or from your administrator).

Click Start Free Log File Analysis above and enter the code.

Upload your log file(s) — drag & drop or select. Optional: paste sitemap URL for crawl coverage.

Click Analyze and view your SEO report with charts, exports, and action plan.

FAQ

Where do I find my server access logs?

On Apache: typically /var/log/apache2/access.log or /var/log/httpd/access_log. On Nginx: /var/log/nginx/access.log. On cPanel: File Manager → logs, or via SSH. Download the file and upload it here.

Is my log data stored?

Can I use this with WordPress?

Yes. WordPress runs on Apache or Nginx. Get your access logs from your host (cPanel, Plesk, or SSH), download them, and upload here. The tool handles typical WordPress paths like /wp-admin/ and /wp-json/.

What is crawl budget?

Ready to analyze your logs?

100% free. No credit card. Get actionable SEO insights from your server logs in minutes.