cosbar.com website review

About 812 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 2.4 s faster on a phone.

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

A phone's processor spends 9.6 s on main-thread work while loading, 2.6 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.

The page has 4,156 HTML elements. Above 1,500, rendering and every interaction get slower on phones.

13 images could be 3.6 MB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 500 ms faster on a phone.

8 third-party services load with your homepage (Shopify, rebuyengine.com and Yotpo and others), adding 3.0 MB and 1.4 s of main-thread time.

Your mobile performance score is 50. Pages that score under 90 lose visitors before the first paint.

19 files are served with short cache lifetimes, so returning visitors download them again (358 KiB).

Shopify costs a phone 504 ms of main-thread work and 1.4 MB 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.

46 KiB could be saved by minifying JavaScript.

rebuyengine.com costs a phone 278 ms of main-thread work and 690 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.

Yotpo costs a phone 223 ms of main-thread work and 315 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.

Klaviyo costs a phone 211 ms of main-thread work and 332 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 108 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 220 ms faster on a phone.

Polyfills for old browsers add 64 KiB JavaScript that modern phones do not need. Google estimates it would make the page about 250 ms faster on a phone.

20 long tasks block the main thread while loading, the longest for 207 ms. During a long task the page ignores taps.

2 KiB could be saved by minifying CSS.

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

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

The page becomes fully interactive after 33.6 s. Good is under 3.8 s.

Visually, the page fills in at 14.9 s (Speed Index). Good is under 3.4 s.

The first text or image appears after 4.5 s on a phone. Good is under 1.8 s.

Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' tap response (inp) went from 119 ms to 158 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

Scripts block taps and scrolling for 296 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 1.4 s to 1.3 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

Your homepage downloads 9.2 MB in 518 requests on a phone: images 4.5 MB (35), scripts 2.4 MB (206) and other files 1.5 MB (232). Under 2 MB keeps phones on slow connections fast.

By the Sustainable Web Design model, a visit to your homepage emits about 2.62 g of CO₂e: 313.9 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

Certain ARIA roles must contain particular children: 1 element on the page fails this check, rated critical by axe-core.

14 tap targets are too small or too close together to hit reliably with a finger.

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

All page content should be contained by landmarks: 3 elements on the page fail this check, rated moderate by axe-core.

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

ARIA role should be appropriate for the element: 1 element on the page fails this check, rated minor by axe-core.

Your title is only 7 characters: “Cos Bar”. Between 30 and 65 characters leaves room to say what you do and for whom.

1 link has no real href, so search engines can't follow it.

The homepage links to 564 pages on cosbar.com and 7 external pages.

https://cosbar.com/collections/new-arrivals, https://cosbar.com/collections/new-skincare, https://cosbar.com/collections/new-makeup, https://cosbar.com/collections/new-fragrance, https://cosbar.com/collections/new-hair and https://cosbar.com/collections/new-in-body and 7 others have no meta description, so Google writes the search snippet from whatever text it finds.

We fetched 15 pages linked from your homepage (of 197 found) and read each the way a search engine does.

1 image failed to load on a phone, for example https://d3k81ch9hvuctc.cloudfront.net/company/L3YnV3/images/aaef5ce5-63d7-413b-a68c-59b51dc19948.png.

47 of 85 tappable elements near the top of the page are smaller than 24 px, hard to hit with a thumb.

The page uses 1 deprecated browser API that will stop working in future browsers (“Unload event listeners are deprecated and will be removed.”).

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

Social proof on the homepage: 3 trust badges. Pairing it with named testimonials or customer logos makes it far more convincing.

No analytics or tag manager detected in the HTML, so you can't measure whether any of these fixes work.

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

The homepage carries about 792 words of visible text.

Before a visitor clicks anything, the page loads Google Ads, Google Analytics, Google Tag Manager, Klaviyo and Meta Pixel and 1 more (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 26 cookies (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 53 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.