zinus.co.uk website review

6 files block the first paint until they finish downloading. Deferring or inlining them could save about 1.3 s.

Your mobile performance score is 72. Pages that score under 90 lose visitors before the first paint.

About 212 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 600 ms faster on a phone.

About 68 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 450 ms faster on a phone.

A phone's processor spends 2.4 s on main-thread work while loading, 957 ms of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.

8 third-party services load with your homepage (Usercentrics CMP, Shopify and Klaviyo and others), adding 729 KiB and 382 ms of main-thread time.

2 long tasks block the main thread while loading, the longest for 70 ms. During a long task the page ignores taps.

Web fonts hide text while they load. Setting font-display: swap shows text immediately (about 50 ms).

Polyfills for old browsers add 30 KiB JavaScript that modern phones do not need.

9 files are served with short cache lifetimes, so returning visitors download them again (22 KiB).

1 image could be 6 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen.

Critical files load one after another instead of in parallel (3 chains). Preconnecting to key origins and preloading the hero image shortens the chain.

Scripts make the browser recalculate the layout repeatedly while the page loads, which wastes processor time on phones.

Your largest element takes 6.7 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the text “UK_Mobile_Banner_900_x_1500_px_1.png”.

The page becomes fully interactive after 8.6 s. Good is under 3.8 s.

Over the last 25 four-week periods to 2026-11-07, real Chrome visitors' tap response (inp) went from 97 ms to 117 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

Visually, the page fills in at 5.5 s (Speed Index). Good is under 3.4 s.

Over the last 25 four-week periods to 2026-11-07, real Chrome visitors' largest content (lcp) went from 1.4 s to 1.4 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

Your homepage downloads 3.6 MB in 248 requests on a phone: images 1.8 MB (65), scripts 810 KiB (68) and other files 764 KiB (101). Under 2 MB keeps phones on slow connections fast.

By the Sustainable Web Design model, a visit to your homepage emits about 1.02 g of CO₂e: 122.9 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

7 text elements don't have enough contrast against the background to read easily, especially outdoors on a phone.

Scrollable region must have keyboard access: 1 element on the page fails this check, rated serious by axe-core.

6 images have no alt text, which hurts accessibility and image search.

All page content should be contained by landmarks: 2 elements on the page fail this check, rated moderate by axe-core.

2 visible links have no text or label, so screen readers cannot say where they go.

Headings skip levels (h2 → h4), which makes the page harder to scan with a screen reader.

There are 3 <h1> headlines (“<img src="//www.zinus.co.uk/cdn/shop/files/Zinus.…”, “DISCOVER ZINUS” and “OUR BLOG”). One clear main headline is easier for people and search engines.

The homepage links to 83 pages on zinus.co.uk and 18 external pages.

Your homepage links to https://www.zinus.co.uk/collections/officelookbook, which answers with an error. Visitors hit a dead end and search engines drop it.

https://www.zinus.co.uk/products/mint-green-memory-foam-spring-hybrid-mattress declares the homepage as its canonical URL, which tells Google it is a copy of the homepage and keeps it out of search results. A site-wide template setting usually causes this.

/ and https://www.zinus.co.uk/products/mint-green-memory-foam-spring-hybrid-mattress all use the title “Discover Mattresses, Bed Frames & Sofas | Zinus UK”, and 3 other titles repeat too. Search engines can't tell which page to show for a search, so each competes with the others.

https://www.zinus.co.uk/collections/lookbook, https://www.zinus.co.uk/pages/contact-support, https://www.zinus.co.uk/pages/about-us, https://www.zinus.co.uk/blogs/zinus, https://www.zinus.co.uk/blog and https://www.zinus.co.uk/about and 1 other use the same meta description. A description written for each page earns more clicks.

We fetched 15 pages linked from your homepage (of 27 found) and read each the way a search engine does.

7 of 27 tappable elements near the top of the page are smaller than 24 px, hard to hit with a thumb.

3 errors were logged to the browser console while the page loaded, for example “klaviyo.init is not a function”.

2 images are displayed at the wrong aspect ratio, so they look stretched or squashed.

No phone number or email link on the homepage, so ready-to-buy visitors have one fewer way to reach you.

No guarantee or risk reducer (money-back, free trial, no credit card) is mentioned, which is often what tips a hesitant visitor.

The homepage carries about 275 words of visible text.

Before a visitor clicks anything, the page loads Google Ads, Google Analytics, Google Tag Manager, Klaviyo and Meta Pixel and 2 mores (measured from a US location before any click). A consent tool (Usercentrics) is installed; check it blocks these until visitors agree where the law requires it.

Opening the homepage sets 15 cookies (measured from a US location before any click).

Loading the homepage contacts 26 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.