Your customer is on a café terrace in Costa Adeje. They've just searched "restaurant near me with paella". Your business shows up third. They tap your link. They wait 1 second, 2 seconds, 4 seconds. They hit back and tap the next one. You've just lost that booking without knowing it happened.
Loading speed is the silent filter most Tenerife websites fail. And the numbers are brutal.
What the data says
Google and Akamai studies (2024-2026) on conversion vs. load time:
- If your site goes from 1 to 3 seconds load time, bounce rate rises 32%
- From 1 to 6 seconds, bounce rate rises 106%
- Every extra second cuts conversion by 7%
- 53% of mobile users abandon a site that takes more than 3 seconds to load
For a south-Tenerife restaurant with 200 daily visits in high season, going from 5s to 1.5s can mean 8-12 extra bookings per week. Without spending another euro on advertising.
Why Tenerife is a special case
This isn't Madrid with 1Gbps fibre. The reality on the island:
- Saturated 4G in tourist zones — Las Américas, Los Cristianos, Costa Adeje in August: 3x latency, 1/4 bandwidth
- Older phones — the average German tourist on a 2019 iPhone using data on roaming
- Distance to the server — if your hosting is in Madrid or Frankfurt, the ping already adds 30-50ms before anything starts
A site that loads in 2.5s on your laptop with fibre WiFi loads in 7-9s on an iPhone 11 with 4G in Playa de las Américas on a Saturday at 9pm. If your only reference is testing on your phone at home, you're not measuring what your customer lives.
What to measure and how
Three free tools, 5 minutes each:
- PageSpeed Insights (pagespeed.web.dev) — paste your URL, get mobile + desktop score with Core Web Vitals (LCP, INP, CLS). Aim green on all three.
- WebPageTest.org — pick "Spain - Madrid" or nearest + "Mobile 4G Slow" profile. Real load time with realistic throttling.
- Chrome DevTools → Lighthouse — right click, Inspect, Lighthouse tab, Mobile, Generate Report. Tells you exactly what to optimise.
Your target: LCP under 2.5s on mobile 4G. Over 4s and Google penalises your ranking.
The 5 things that slow down most websites
- Unoptimised images — 80% of the problem. A 4MB photo shouldn't exist on your site. WebP, max width 1600px, lazy loading.
- Autoplay video — if your hero is a background video, it needs to be on a CDN, compressed, with a poster image while it loads
- WordPress plugins — 30 active plugins each load their own JavaScript. Undisciplined WordPress = guaranteed slowness.
- Google Fonts — loading 6 weights across 3 fonts slows everything. 2 fonts, max 2-3 weights.
- Cheap shared hosting — the €3/month plan on SiteGround shares a server with 200 other sites. One under attack and the rest crawl.
Why Astro and Next.js are fast by design
WordPress builds the page on every visit: PHP processing, database queries, plugins running. Astro and Next.js (in static mode) build the HTML once at deploy. When a visitor lands, the server just sends an already-ready HTML file. 10x faster, no trick.
That's why every site I deliver at Teide Digital is built on Astro or Next.js, not WordPress. Not technical preference — your customer on saturated 4G isn't waiting 6 seconds.
Conclusion
Speed isn't technical vanity. It's the difference between the customer who books and the one who leaves before you knew they existed. Test your site today on pagespeed.web.dev — if you're above 3s, you're losing bookings every day.
At Teide Digital, every delivered site passes the Lighthouse green threshold before launch. If you want me to audit yours, I'll record a free 2-3 minute video analysis.
