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moleculesleep.com website review
Visit site (opens in a new tab)Reviewed 7 November 202639 issues · 86 checks
This review found 39 issues worth fixing on moleculesleep.com, 13 of them high impact, across 86 checks. The most urgent: reduce unused JavaScript. Your full playbook turns these into prioritised fixes alongside reviews, competitors and channels.
- Homepage
- Phone render
- Links and pages
- Google PageSpeed
Google PageSpeed Insights (opens in a new tab), mobile
Site score
71C- #76,994 of 95,070 reviewed websitesbeats 16%
- #44,898 of 51,170 online storesbeats 10%
- #41,478 of 46,288 Shopify storesbeats 8%
Closest competitors among Shopify stores
Compare side by sideShow as table
| Date | Real-visitor load time (LCP) |
|---|---|
| May 16, 2026 | 1.4 s |
| May 23, 2026 | 1.4 s |
| May 30, 2026 | 1.3 s |
| Jun 6, 2026 | 1.5 s |
| Jun 13, 2026 | 1.9 s |
| Jun 20, 2026 | 1.9 s |
| Jun 27, 2026 | 2.1 s |
| Jul 4, 2026 | 2.2 s |
| Jul 11, 2026 | 2.1 s |
| Jul 18, 2026 | 2.1 s |
| Jul 25, 2026 | 2.1 s |
| Aug 1, 2026 | 2.1 s |
| Aug 8, 2026 | 2.6 s |
| Aug 15, 2026 | 2.8 s |
| Aug 22, 2026 | 2.9 s |
| Aug 29, 2026 | 2.7 s |
| Sep 5, 2026 | 2.6 s |
| Sep 12, 2026 | 2.7 s |
| Sep 19, 2026 | 2.7 s |
| Sep 26, 2026 | 2.8 s |
| Oct 3, 2026 | 2.9 s |
| Oct 10, 2026 | 3.0 s |
| Oct 17, 2026 | 3.3 s |
| Oct 24, 2026 | 3.4 s |
| Oct 31, 2026 | 3.5 s |
Show as table
| Date | Real-visitor tap response (INP) |
|---|---|
| May 16, 2026 | 112 ms |
| May 23, 2026 | 115 ms |
| May 30, 2026 | 125 ms |
| Jun 6, 2026 | 138 ms |
| Jun 13, 2026 | 182 ms |
| Jun 20, 2026 | 197 ms |
| Jun 27, 2026 | 225 ms |
| Jul 4, 2026 | 242 ms |
| Jul 11, 2026 | 231 ms |
| Jul 18, 2026 | 228 ms |
| Jul 25, 2026 | 225 ms |
| Aug 1, 2026 | 243 ms |
| Aug 8, 2026 | 264 ms |
| Aug 15, 2026 | 297 ms |
| Aug 22, 2026 | 328 ms |
| Aug 29, 2026 | 351 ms |
| Sep 5, 2026 | 384 ms |
| Sep 12, 2026 | 433 ms |
| Sep 19, 2026 | 464 ms |
| Sep 26, 2026 | 482 ms |
| Oct 3, 2026 | 485 ms |
| Oct 10, 2026 | 502 ms |
| Oct 17, 2026 | 504 ms |
| Oct 24, 2026 | 502 ms |
| Oct 31, 2026 | 514 ms |
Chrome UX Report (opens in a new tab): real Chrome visitors over rolling 28-day periods.
One score from every part of this review. How it works
How it loaded on a phone
0.8 s
1.7 s
2.5 s
3.4 s
4.2 s
5.1 s
5.9 s
6.7 s
Speed
Reduce unused JavaScript
4.8 s · 1,020 KiBAbout 1,020 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 4.8 s faster on a phone.
Use efficient cache lifetimes
3.0 s · 583 KiB21 files are served with short cache lifetimes, so returning visitors download them again (583 KiB).
Render-blocking requests
1.3 s5 files block the first paint until they finish downloading. Deferring or inlining them could save about 1.3 s.
Mobile performance score: 46
46/100Your mobile performance score is 46. Under 50 is Google's “poor” band: many phone visitors leave before the page is usable.
Main-thread work: 5.3 s
A phone's processor spends 5.3 s on main-thread work while loading, 2.4 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.
8 third-party services on the page
8 third-party services load with your homepage (Google Tag Manager, Affirm and Shopify and others), adding 3.1 MB and 1.6 s of main-thread time.
Improve image delivery
700 ms · 157 KiB8 images could be 157 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 700 ms faster on a phone.
Reduce unused CSS
600 ms · 89 KiBAbout 89 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 600 ms faster on a phone.
Legacy JavaScript
450 ms · 122 KiBPolyfills for old browsers add 122 KiB JavaScript that modern phones do not need. Google estimates it would make the page about 450 ms faster on a phone.
Google Tag Manager adds 469 ms
469 msGoogle Tag Manager costs a phone 469 ms of main-thread work and 639 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.
Shopify adds 224 ms
224 msShopify costs a phone 224 ms of main-thread work and 884 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.
rebuyengine.com adds 162 ms
162 msrebuyengine.com costs a phone 162 ms of main-thread work and 664 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.
1,902 HTML elements
The page has 1,902 HTML elements. Above 1,500, rendering and every interaction get slower on phones.
Klaviyo adds 126 ms
126 msKlaviyo costs a phone 126 ms of main-thread work and 309 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.
Minify JavaScript
150 ms · 30 KiB30 KiB could be saved by minifying JavaScript.
16 long tasks on the main thread
16 long tasks block the main thread while loading, the longest for 176 ms. During a long task the page ignores taps.
Font display
50 msWeb fonts hide text while they load. Setting font-display: swap shows text immediately (about 50 ms).
Chained critical requests
Critical files load one after another instead of in parallel (3 chains). Preconnecting to key origins and preloading the hero image shortens the chain.
Forced reflow
Scripts make the browser recalculate the layout repeatedly while the page loads, which wastes processor time on phones.
Minify CSS
4 KiB4 KiB could be saved by minifying CSS.
1 checks passed
Server response: 11 ms
11 msYour server sent the HTML in 11 ms, well inside Google's 600 ms guideline.
Core Web Vitals
Fails Core Web Vitals for real visitors
Real Chrome users on phones do not pass Google's Core Web Vitals on this page (28-day field data from the Chrome UX Report (opens in a new tab)). Google uses this in ranking.
Real-user INP: 594 ms
594 msReal visitors wait 594 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.
Largest Contentful Paint: 21.0 s
21.0 sYour largest element takes 21.0 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image.
Time to Interactive: 29.9 s
29.9 sThe page becomes fully interactive after 29.9 s. Good is under 3.8 s.
Speed Index: 10.0 s
10.0 sVisually, the page fills in at 10.0 s (Speed Index). Good is under 3.4 s.
Total Blocking Time: 736 ms
736 msScripts block taps and scrolling for 736 ms in total while the page loads. Good is under 200 ms.
Real-user LCP: 3.8 s
3.8 sReal visitors wait 3.8 s for the largest content to appear (75th percentile). Good is under 2.5 s.
Tap response (INP) got 348% slower for real visitors
+348%Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' tap response (inp) went from 112 ms to 514 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Largest content (LCP) got 144% slower for real visitors
+144%Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' largest content (lcp) went from 1.4 s to 3.5 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Real-user FCP: 2.9 s
2.9 sReal visitors see the first content after 2.9 s (75th percentile). Good is under 1.8 s.
First Contentful Paint: 2.2 s
2.2 sThe first text or image appears after 2.2 s on a phone. Good is under 1.8 s.
3 checks passed
Real-user CLS: 0.02
0.02For real visitors the layout shifts by 0.02 (75th percentile). Good is under 0.1.
Real-user TTFB: 578 ms
578 msReal visitors wait 578 ms for your server to start answering (75th percentile). Good is under 800 ms.
Cumulative Layout Shift: 0
0The layout barely moves while loading (CLS 0, good is under 0.1).
Images and page weight
Page weight: 5.3 MB in 430 requests
5.3 MBYour homepage downloads 5.3 MB in 430 requests on a phone: scripts 3.0 MB (226), other files 837 KiB (129) and images 787 KiB (28). Under 2 MB keeps phones on slow connections fast.
An image on the first screen is lazy-loaded
CW_Header.jpg is on the first screen but marked loading="lazy", so the browser waits before fetching it and the page looks finished later. Load it eagerly (and give it fetchpriority="high" if it is the main image).
About 1.5 g of CO₂ per visit
1.49 gBy the Sustainable Web Design model, a visit to your homepage emits about 1.49 g of CO₂e: 178.7 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.
2 checks passed
Images use modern formats
Every sizeable image is WebP, AVIF or SVG.
Images are sized for phones
No image is downloaded at more than three times the size it is drawn on a phone.
Accessibility
All page content should be contained by landmarks (1 element)
All page content should be contained by landmarks: 1 element on the page fails this check, rated moderate by axe-core.
1 text element with low contrast
1 text element doesn't have enough contrast against the background to read easily, especially outdoors on a phone.
2 checks passed
Every image has alt text
All 27 images in the HTML carry an alt attribute.
51 automated accessibility rules passed
axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 52 WCAG 2.2 A/AA and best-practice rules on the phone render: 51 passed and 1 failed. 3 mores need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.
SEO
Meta description is long (208 characters)
Your meta description is 208 characters; Google truncates after about 160, so the end of your pitch is cut.
Structured data has 1 problem
Structured data found (Organization, Store and WebSite) but with 1 problem, for example “WebSite: url is not an absolute URL ("moleculesleep.com")”.
No social preview image
No Open Graph image, so links shared on LinkedIn, Slack or Facebook show no preview picture.
1 link with vague text
1 link use generic text like “click here” or “learn more”, which tells Google nothing about the page behind it.
One H1 headline
Your <h1> is empty.
189 internal links, 9 external
The homepage links to 189 pages on moleculesleep.com and 9 external pages.
4 checks passed
Title: 60 characters
Your title is a healthy 60 characters: “Best Mattress and Bedding for Optimal Sleep | MOLECULE Sleep”.
Canonical URL set
The canonical URL is https://moleculesleep.com/.
robots.txt in place
robots.txt is in place and points crawlers to your sitemap.
XML sitemap found
Your XML sitemap is reachable at https://moleculesleep.com/sitemap.xml.
AI search readiness
4 checks passed
AI answer engines may read the site
Your robots.txt lets the crawlers behind ChatGPT search, Claude and Perplexity read the site and cite it in answers.
Organization data: 4 of 6 facts
Your Organization JSON-LD gives name, url, logo and sameAs (social profiles); description and contact details would complete it.
Text is in the HTML
Your server sends the page's text in the HTML (1,042 words), so crawlers that don't run JavaScript still read it.
llms.txt published
The site publishes https://moleculesleep.com/llms.txt (6 KiB, 8 links), a plain-text guide to the site for AI tools.
Other pages
15 internal pages checked
We fetched 15 pages linked from your homepage (of 52 found) and read each the way a search engine does.
7 checks passed
Linked pages load
All 15 pages we checked loaded without an error.
Canonical URLs point to themselves
No page we checked hands its ranking to a different URL.
Every page has a meta description
All 15 pages that loaded have a meta description.
Titles are unique
Every page we checked has its own title.
Every page has an H1
Each page we checked has a main headline.
No linked page is hidden from search
None of the pages we checked carries a noindex tag.
Every page has a title
All 15 pages that loaded have a <title>.
Best practices
2 JavaScript errors while loading
2 errors were logged to the browser console while the page loaded, for example “Failed to load resource: net::ERR_FAILED”.
2 checks passed
Tap targets are thumb-sized
10 of 12 tappable elements near the top are at least 24 px.
Mobile viewport set
The page declares a mobile viewport.
Content and conversion
No social proof
No testimonials, customer logos, ratings or customer counts on the homepage: nothing tells a new visitor that others already trust you.
No phone number on the homepage
A local customer looking to call finds no phone number on the homepage. Add one, ideally as a tap-to-call link.
No direct contact details
No phone number or email link on the homepage, so ready-to-buy visitors have one fewer way to reach you.
No opening hours
The homepage shows no opening hours. If customers visit or call, show when.
No form on the homepage
There is no form on the homepage, so every lead has to click through to another page first.
No map or directions link
There is no link to Google or Apple Maps. A directions link is one tap for a phone visitor.
About 499 words of copy
The homepage carries about 499 words of visible text.
Urgency cues
The page uses urgency cues (a countdown or limited-time wording).
5 checks passed
Clear next step on the first screen
On a phone, the first screen shows a clear next step: “SHOP THE SALE” and “LEARN MORE”.
19 calls to action
The homepage has 19 calls to action, for example “LEARN MORE”, “Shop the sale” and “Shop Now”.
Analytics in place
Analytics detected: Google Tag Manager, Meta Pixel and TikTok Pixel.
LocalBusiness structured data
Your homepage describes the business with LocalBusiness JSON-LD, so search engines and AI assistants can read its address, hours and phone reliably.
Risk reducer mentioned
A guarantee or risk reducer (money-back, free trial, no credit card or similar) is mentioned on the page.
Privacy and tracking
5 trackers load before any consent
5Before a visitor clicks anything, the page loads Google Ads, Google Tag Manager, Klaviyo, Meta Pixel and TikTok Pixel (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.
14 cookies set on arrival
14Opening the homepage sets 14 cookies, 1 of them by other companies (measured from a US location before any click).
No consent tool detected
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.
39 other companies contacted
Loading the homepage contacts 39 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.
Security, domain, email and software versions
The security, domain and email checks, software and plugin versions, and any app with a known security problem are visible only to people at moleculesleep.com, because details like these could help someone attack a site. Every review keeps them private, whatever they found.
Apps on your store
Your storefront loads 17 apps. Each one is code from another company running for your shoppers.
Apps your storefront loads
Schema App Total Schema Markup · Rebuy Personalization Engine · Seo Manager Venntov · Okendo · Gorgias Live Chat Helpdesk · Justuno Email Sms Pop Ups · Klaviyo Email Marketing Sms · Returngo Returns Exchanges · Primy Form Builder · Estimated Delivery Days · klarnapayments.com · jst.ai · shareasale.com · rebuyengine.com · amazonaws.com · retention.com · 9gtb.com
Apps found in the homepage's code. Apps that only run in checkout or the admin aren't seen, and a headless storefront shows none. App data from programmable.info
Upkeep, stack and company
Stack
- Framework
- jQuery
- E-commerce
- Shopify
- Analytics
- Google Tag Manager
- Hosting
- Shopify
Upkeep, stack, hiring and company data from programmable.info
Go beyond the website
What your $25 Growth Playbook adds
This review found 39 issues on moleculesleep.com, including 25 speed issues, 5 SEO issues and 3 conversion gaps. That is the website alone. The full Growth Playbook pairs these findings with what your customers say in public reviews and communities and what your closest competitors do better, then turns everything into at least 20 prioritised ideas, each with the evidence behind it, a step-by-step playbook, a metric and an owner.
- 28 research agents read your site, reviews, competitors, communities and public filings
- Customer review mining (G2, Capterra, Trustpilot and more) and voice-of-pain analysis in your buyers’ own words
- Competitor intelligence with battlecards for your closest rivals
- Ideal customer profile, buyer segments and buying-stage funnel
- Ranked channels, outreach sequences and content angles
- Live Reddit threads where buyers ask for what you sell, with draft replies
- Earned media and PR openings
- At least 20 ideas with evidence, a step-by-step playbook, metric, owner, effort and impact, grouped into this week, this quarter, big bets and wildcards, plus a 30/60/90-day roadmap
- PDF, Markdown, CSV, Notion and Linear exports, and a shareable page your team can track progress on
- Refresh the playbook later to see what changed
14-day money-back guarantee: not happy for any reason, email us within 14 days and we refund in full.