In the ever-evolving landscape of digital marketing, the quest for search engine visibility has spawned a multitude of strategies.Among these, Guerrilla SEO has emerged as a provocative and often misunderstood counterpart to its more established relative, Traditional SEO.
Building a Real-Time Site Speed Scorecard with Google Sheets and the PageSpeed Insights API
When Google’s Core Web Vitals became an undeniable ranking signal, the industry responded with a tidal wave of premium monitoring platforms. But if you are a startup marketer who has already burned through your limited budget on link building and content production, shelling out another $50 a month for a speed dashboard feels like lighting cash on fire. The good news is that with a little bit of API wrestling and some Google Sheets wizardry, you can build a fully automated, historical scorecard for your key pages—completely free. This is not your junior dev’s “just throw a script on a cron job” solution; this is a production-grade, self-healing dashboard that evolves with your site.
The cornerstone of this architecture is the PageSpeed Insights API, a RESTful endpoint that returns both lab data (from Lighthouse) and field data (from the Chrome User Experience Report). Google gives you 25,000 requests per day for free—more than enough to monitor a dozen URLs every few minutes if you throttle properly. The trick is to treat your Google Sheet not just as a display layer but as the actual data warehouse. Using Google Apps Script, you can write a function that iterates over a list of target URLs, fires off a GET request to `https://www.googleapis.com/pagespeedonline/v5/runPagespeed?url=


