Things we figured out the hard way - bots, APIs, infrastructure, and the occasional 3am production fire. Written by the team building automation systems at Execross.
Three months of fighting browser automation instability taught us that the real problem was not the tool. It was the architecture. Here is the full story of what broke, what we learned, and how we rebuilt it properly.
When our group automation bots started dropping messages during traffic spikes, the fix was not slowing things down. It was rethinking the entire dispatch architecture. Here is what we built and why it works.
We ran the same Go binary on both for 30 days. The latency difference was small. The price difference was not.
Some audio delivery formats look simple on the surface but have enough quirks in their container structure to cause real headaches. This is a deep dive into the m4a box format, segmented delivery, and the stitching logic we built to handle it correctly.
Googlebot sees a blank div and moves on. Here is the full picture of why CSR breaks AdSense approval and the three ways to fix it without rewriting everything.
Out of memory kills are silent and confusing. Here is how to diagnose them and the swap setup that actually helps.
Cache-Control: no-store sounds reasonable until it starts messing with how Google indexes your canonical URLs. Here is what happened and how we fixed it.
Caching HTML at the edge is great. Accidentally caching your API responses is not. Here is the setup that keeps both working correctly.
Systemd vs PM2, webhook timeouts, SSL setup, and all the other small things that cause 3am wake-up calls if you get them wrong.
Building media processing tools made us dig into how platforms like TikTok structure their video delivery pipelines. The answer was more interesting than we expected and changed how we think about video infrastructure entirely.
Utility classes are great until you have five pages with slightly different shades of the same button. Here is how we keep things consistent across multiple Execross properties.
Prerendering your React app is great for SEO. It is less great when it causes your bot protection widget to appear in duplicate on every page load.
Every page needs its own title, description, and OG tags. Here is a clean pattern that does not turn into a mess as your route count grows.
One cert for all your subdomains. Setup takes 15 minutes and renewal is automatic. Here is exactly how to do it.
Number animations look great on landing pages. The naive implementation is also a great way to hurt your Core Web Vitals. Here is the version that does both well.
Duplicate schema blocks, wrong canonical references, and schema that contradicts your meta tags. Here is what to check.
Memory leaks are real. Instead of hunting down every one, we take the lazy but effective approach. Here is the setup and when it makes sense.
Your OG images get shared, scraped, and reused without attribution all the time. Here is how to embed ownership metadata that survives most of that.
Unicode flag emoji work fine on Mac and Linux but show as two letter codes on Windows. Here is the quick fix that works everywhere.
Instead of a 404 or a blank nginx page, unknown subdomains on our VPS get a branded experience. Here is how the nginx config and the page itself are set up.
Execross builds bots, API integrations, and websites for clients. See our services and past work.
