mous.co website review

YouTube costs a phone 1.1 s of main-thread work and 2.9 MB of downloads while your page loads. That alone is enough to make taps feel slow. Loading it after the page is usable, or only on the pages that need it, takes that off the critical path.

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

A phone's processor spends 8.1 s on main-thread work while loading, 4.6 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.

The page has 3,567 HTML elements. Above 1,500, rendering and every interaction get slower on phones.

About 2.3 MB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 300 ms faster on a phone.

8 third-party services load with your homepage (YouTube, ContentSquare and AB Tasty and others), adding 4.1 MB and 2.1 s of main-thread time.

Your mobile performance score is 57. Pages that score under 90 lose visitors before the first paint.

ContentSquare costs a phone 517 ms of main-thread work and 162 KiB of downloads while your page loads. Loading it after the page is usable, or only on the pages that need it, takes that off the critical path.

About 161 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 150 ms faster on a phone.

20 files are served with short cache lifetimes, so returning visitors download them again (250 KiB).

19 long tasks block the main thread while loading, the longest for 228 ms. During a long task the page ignores taps.

Polyfills for old browsers add 25 KiB JavaScript that modern phones do not need.

11 KiB JavaScript is shipped twice across bundles.

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.

The page becomes fully interactive after 37.2 s. Good is under 3.8 s.

Your largest element takes 5.6 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image.

Visually, the page fills in at 7.5 s (Speed Index). Good is under 3.4 s.

Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' tap response (inp) went from 124 ms to 155 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

Scripts block taps and scrolling for 590 ms in total while the page loads. Good is under 200 ms.

Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' largest content (lcp) went from 1.3 s to 1.3 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

Your homepage downloads 11.4 MB in 399 requests on a phone: media 4.6 MB (2), scripts 4.0 MB (106) and images 1.1 MB (123). Under 2 MB keeps phones on slow connections fast.

By the Sustainable Web Design model, a visit to your homepage emits about 3.24 g of CO₂e: 388.9 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

[role="img"] and [role="image"] elements must have alternative text: 8 elements on the page fail this check, rated serious by axe-core.

1 text element doesn't have enough contrast against the background to read easily, especially outdoors on a phone.

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

All page content should be contained by landmarks: 5 elements on the page fail this check, rated moderate by axe-core.

1 form field has no label, so screen readers announce an empty box and autofill guesses.

ARIA role should be appropriate for the element: 3 elements on the page fail this check, rated minor by axe-core.

Headings skip levels (h2 → h4 and h3 → h5), which makes the page harder to scan with a screen reader.

Elements with visible text labels do not have matching accessible names. (3 elements).

There is no <h1>, so neither visitors nor Google get a clear main headline.

Your title is only 29 characters: “Mous | Protective Phone Cases”. Between 30 and 65 characters leaves room to say what you do and for whom.

Structured data found (BreadcrumbList, Corporation, Organization and Website) but with 3 problems, for example “Organization: logo is not an absolute URL ("//www.mous.co/cdn/shop/t/300/assets/logo.svg?v=67976617…”.

No Open Graph image, so links shared on LinkedIn, Slack or Facebook show no preview picture.

The homepage links to 360 pages on mous.co and 6 external pages.

There is no /llms.txt, a short Markdown guide to your key pages for AI tools (llmstxt.org). It is optional and few AI tools read it yet, so treat it as a cheap extra.

/collections/iphone-duo-cases, /collections/iphone-18-pro-max-cases, /collections/iphone-18-pro-cases, /collections/iphone-17-pro-max-cases, /collections/iphone-17-pro-cases and /collections/iphone-17-cases and 1 other have no <h1> headline, so visitors and search engines get no clear main topic.

We fetched 15 pages linked from your homepage (of 180 found) and read each the way a search engine does.

1 image failed to load on a phone, for example https://www.mous.co/.

79 of 120 tappable elements near the top of the page are smaller than 24 px, hard to hit with a thumb.

5 third-party cookies are set on load; browsers are restricting these, so whatever relies on them breaks.

2 errors were logged to the browser console while the page loaded, for example “Failed to load resource: net::ERR_FAILED”.

Chrome logged issues while loading the page (“Cookie”).

HSTS is set, but max-age is 91 days; one year is the recommended minimum.

1 link go through two or more redirects, for example https://www.mous.co/checkout.

No Referrer-Policy header, so full URLs can leak to the sites you link to.

No Permissions-Policy header to switch off camera, microphone and location for embedded content.

X-XSS-Protection is set to “1; mode=block”; the header is deprecated and can introduce bugs. Use 0 or remove it.

There is no /.well-known/security.txt telling researchers how to report a security problem to you.

Your homepage shows a street address but no LocalBusiness JSON-LD, so Google and AI assistants have to guess your address, hours and phone from the page text.

A local customer looking to call finds no phone number on the homepage. Add one, ideally as a tap-to-call link.

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

The homepage shows no opening hours. If customers visit or call, show when.

There is no link to Google or Apple Maps. A directions link is one tap for a phone visitor.

The homepage carries about 661 words of visible text.

DMARC is set to p=none, so mail pretending to be mous.co is still delivered. Reports are on, so moving to quarantine is the next step.

Email authentication: SPF record 25 points, plus 15 when it ends in -all (10 for ~all); DMARC record 25, plus 25 for a reject policy (15 for quarantine); a DKIM key on a common selector 10.

Before a visitor clicks anything, the page loads Google Ads, Google Tag Manager and Klaviyo (measured from a US location before any click). No consent tool was detected. Visitors from the EU, UK and several US states must be asked first.

Opening the homepage sets 11 cookies, 1 of them by other companies (measured from a US location before any click).

No known cookie consent tool loads with the page. Some sites build their own banner, and some only show one to visitors from the EU.

Loading the homepage contacts 43 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.