12 Free SEO Tools You Must Use.

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Every SEO consultant has a drawer full of tools nobody actually opens twice, and Aleyda Solis wanted to fix that.

In episode 12 of her video series Crawling Mondays, published March 19, 2019, international SEO consultant Aleyda Solis walks through a batch of tools she actually keeps open on a daily basis — no expensive subscriptions required. She calls herself an admitted “tool addict,” but the episode isn’t a gadget showcase; it’s a working list built for the grind of keyword research, migrations, and log file audits that eat up an SEO’s week.

  • Solis features Keywords Everywhere, a Chrome and Firefox extension that overlays search volume, CPC, and related queries directly onto search results pages during early-stage keyword research.
  • She demonstrates her own free web utilities — an Hreflang generator and a .htaccess Redirects and Rewrite Generator — built to produce clean rewrite rules for HTTP-to-HTTPS migrations and directory changes without hand-coding syntax errors.
  • She singles out SEOLyzer, a free real-time log analysis tool, as a standout for tracking Googlebot activity through a simple PHP snippet or log import — even for users without direct server access.

Research and Migration Utilities

Solis opens with Keywords Everywhere, the browser extension that has become a shortcut for anyone doing early keyword discovery straight inside the search results page rather than bouncing between tabs. From there she moves into her own build: a Hreflang generator for multilingual and multi-regional sites, paired with a Simple .htaccess Redirects and Rewrite Generator that spits out clean rewrite rules for HTTP-to-HTTPS moves, trailing-slash cleanup, and directory restructuring — the kind of tedious syntax work that trips up even experienced developers during a site migration.

She then turns to httpstatus.io, a bulk URL status code checker she uses to validate redirect chains, response headers, and latency across large batches of URLs at once, which is exactly the kind of check-everything-before-you-launch step that separates a clean migration from a traffic-losing one. Anyone building out a broader traffic strategy around a relaunch will recognize the overlap with the fundamentals covered in A Secret Way Of Getting Traffic.

Speed Diagnostics Without a Subscription

For performance auditing, Solis leans on tools that are already sitting inside the browser most SEOs use every day. She runs through Google Lighthouse inside Chrome DevTools, Google’s web.dev, and GTmetrix as her go-to trio for actionable speed diagnostics — flagging render-blocking resources, oversized images, and slow server response times without paying for an enterprise crawler.

Solis calls herself an avid tool enthusiast, and the episode is built entirely around free or freemium picks that deliver real utility without a software bill attached.

That emphasis on free diagnostics matters because site speed keeps showing up as a practical ranking and conversion factor, and Solis frames these three tools as the fastest way to get a defensible read on a page before recommending expensive dev work.

Log File Analysis Gets Accessible

The tool Solis spends the most time on is SEOLyzer. She describes it as a free, real-time log file analyzer that tracks Googlebot and other crawler activity through an installed PHP snippet or straightforward log imports — a workaround for SEOs who don’t have direct server access but still need to know how bots are actually crawling a site. She also points to RankTank, a repository of Google Sheets-based SEO scripts and templates offering freemium utilities for tracking rankings and running analysis without building anything from scratch.

For SEOs monitoring how crawl budget connects to visibility, the log-level detail SEOLyzer surfaces pairs naturally with broader traffic-generation tactics like those covered in Top Ten Ways To Get Tons Of Traffic.

Solis wraps the episode the way she opened it — reminding viewers that none of this requires an enterprise budget, just the discipline to actually use the free tools sitting in plain sight. Episode 12 landed as the latest entry in Crawling Mondays, and if the series’ pace holds, the next installment lands the following Monday with another stack of tools pulled straight from her own workflow.

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