WordPress hosting speed is not a vanity metric anymore. It directly affects Google’s Core Web Vitals scoring, conversion rate, and the bounce-back-to-search behaviour that quietly drops your rankings. If your hosting stack is fighting you on every page load, no amount of theme optimisation will rescue it.
Here is what actually makes hosting fast, and how we build for it at HA Hosting.
What makes WordPress hosting fast
Four layers, all of which have to be quick or the slowest one becomes your ceiling.
Storage. The disk your WordPress files and database sit on sets the floor for everything else. Spinning disks (HDD) are a non-starter at 100 to 200 MB/s. Mainstream SATA SSDs come in around 500 MB/s. NVMe-class storage is several times faster again. We run an all-flash Ceph cluster in our Sheffield data centre, which gives every customer NVMe-class read and write performance plus self-healing redundancy across multiple physical hosts.
Network. Your hosting can only serve data as fast as the link out of the data centre allows. We run a 10 Gbit Ethernet LAGG between every compute node and our Ceph cluster, so storage traffic never bottlenecks behind public internet traffic. Externally, we peer with multiple Tier 1 carriers to keep round-trip times down for UK visitors.
RAM and CPU. WordPress is PHP, and PHP is hungry. Underprovisioned RAM forces the server to swap to disk, instantly killing speed regardless of how fast your SSD is. We provision generous RAM by default and use modern Intel Xeon cores rather than recycled hardware. Our Pro VPS plans run on HP servers with Proxmox and KVM virtualisation, no overcommit on CPU.
Caching. Even with fast hardware, serving every visitor a freshly-rendered WordPress page is wasteful. WP Rocket caching plus Cloudflare CDN means most visitors get a pre-rendered HTML page from an edge server within milliseconds. Both are included on our Fast WordPress Hosting plans.
What you measure to know your hosting is fast
Forget Time To First Byte in isolation. Look at three numbers in PageSpeed Insights:
- LCP (Largest Contentful Paint). Under 2.5 seconds is good. If yours is 5 seconds or worse on mobile, hosting is usually a contributing factor.
- TTFB (Time To First Byte). Under 600 ms is good. Above 1.5 seconds points squarely at hosting.
- FCP (First Contentful Paint). Under 1.8 seconds. Cloudflare edge caching dramatically improves this.
What we do differently
Our Fast WordPress Hosting stack is built around the four layers above. All-flash Ceph storage, 10 Gbit internal network, generous RAM, no CPU overcommit, plus WP Rocket and Cloudflare on by default. We run it from our own ISO 27001 Sheffield data centre, so when something needs investigating, you are talking to the engineers who own the stack, not a ticket queue in another timezone.
Plans start at £20 per month with no setup fee and monthly contracts. If you want a benchmark before committing, we are happy to run your existing site on a trial environment and share the before-and-after PageSpeed numbers.