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gmcollin.com website review
Visit site (opens in a new tab)Reviewed 10 November 202636 issues · 87 checks
This review found 36 issues worth fixing on gmcollin.com, 10 of them high impact, across 87 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
81B- #36,969 of 108,958 reviewed websitesbeats 60%
- #24,675 of 61,775 online storesbeats 54%
- #23,820 of 56,370 Shopify storesbeats 51%
Closest competitors among Shopify stores
Compare side by sideShow as table
| Date | Real-visitor load time (LCP) |
|---|---|
| May 23, 2026 | 1.7 s |
| May 30, 2026 | 1.6 s |
| Jun 6, 2026 | 1.6 s |
| Jun 13, 2026 | 1.7 s |
| Jun 20, 2026 | 1.7 s |
| Jun 27, 2026 | 1.7 s |
| Jul 4, 2026 | 1.6 s |
| Jul 11, 2026 | 1.5 s |
| Jul 18, 2026 | 1.5 s |
| Jul 25, 2026 | 1.5 s |
| Aug 1, 2026 | 1.5 s |
| Aug 8, 2026 | 1.5 s |
| Aug 15, 2026 | 1.5 s |
| Aug 22, 2026 | 1.6 s |
| Aug 29, 2026 | 1.6 s |
| Sep 5, 2026 | 1.6 s |
| Sep 12, 2026 | 1.7 s |
| Sep 19, 2026 | 1.7 s |
| Sep 26, 2026 | 1.7 s |
| Oct 3, 2026 | 1.7 s |
| Oct 10, 2026 | 1.8 s |
| Oct 17, 2026 | 1.7 s |
| Oct 24, 2026 | 1.7 s |
| Oct 31, 2026 | 1.6 s |
| Nov 7, 2026 | 1.6 s |
Show as table
| Date | Real-visitor tap response (INP) |
|---|---|
| May 23, 2026 | 94 ms |
| May 30, 2026 | 96 ms |
| Jun 6, 2026 | 96 ms |
| Jun 13, 2026 | 104 ms |
| Jun 20, 2026 | 104 ms |
| Jun 27, 2026 | 105 ms |
| Jul 4, 2026 | 104 ms |
| Jul 11, 2026 | 101 ms |
| Jul 18, 2026 | 103 ms |
| Jul 25, 2026 | 96 ms |
| Aug 1, 2026 | 96 ms |
| Aug 8, 2026 | 96 ms |
| Aug 15, 2026 | 102 ms |
| Aug 22, 2026 | 104 ms |
| Aug 29, 2026 | 111 ms |
| Sep 5, 2026 | 113 ms |
| Sep 12, 2026 | 113 ms |
| Sep 19, 2026 | 117 ms |
| Sep 26, 2026 | 114 ms |
| Oct 3, 2026 | 113 ms |
| Oct 10, 2026 | 119 ms |
| Oct 17, 2026 | 113 ms |
| Oct 24, 2026 | 119 ms |
| Oct 31, 2026 | 114 ms |
| Nov 7, 2026 | 109 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
0.9 s
1.8 s
2.6 s
3.5 s
4.4 s
5.3 s
6.1 s
7.0 s
Speed
Reduce unused JavaScript
6.1 s · 1.4 MBAbout 1.4 MB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 6.1 s faster on a phone.
Mobile performance score: 45
45/100Your mobile performance score is 45. Under 50 is Google's “poor” band: many phone visitors leave before the page is usable.
Main-thread work: 5.5 s
A phone's processor spends 5.5 s on main-thread work while loading, 2.9 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 (YouTube, Google Tag Manager and Shopify and others), adding 3.0 MB and 1.4 s of main-thread time.
Use efficient cache lifetimes
800 ms · 211 KiB27 files are served with short cache lifetimes, so returning visitors download them again (211 KiB).
Reduce unused CSS
470 ms · 160 KiBAbout 160 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 470 ms faster on a phone.
Render-blocking requests
600 ms9 files block the first paint until they finish downloading. Deferring or inlining them could save about 600 ms.
YouTube adds 377 ms
377 msYouTube costs a phone 377 ms of main-thread work and 1,019 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.
Legacy JavaScript
300 ms · 43 KiBPolyfills for old browsers add 43 KiB JavaScript that modern phones do not need. Google estimates it would make the page about 300 ms faster on a phone.
Google Tag Manager adds 251 ms
251 msGoogle Tag Manager costs a phone 251 ms of main-thread work and 467 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 251 ms
251 msShopify costs a phone 251 ms of main-thread work and 437 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.
monkcommerce.app adds 160 ms
160 msmonkcommerce.app costs a phone 160 ms of main-thread work and 546 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 adds 166 ms
166 msKlaviyo costs a phone 166 ms of main-thread work and 324 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.
16 long tasks on the main thread
16 long tasks block the main thread while loading, the longest for 179 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).
Minify JavaScript
13 KiB13 KiB could be saved by minifying JavaScript.
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.
1 checks passed
Server response: 13 ms
13 msYour server sent the HTML in 13 ms, well inside Google's 600 ms guideline.
Core Web Vitals
First Contentful Paint: 8.0 s
8.0 sThe first text or image appears after 8.0 s on a phone. Good is under 1.8 s.
Largest Contentful Paint: 20.8 s
20.8 sYour largest element takes 20.8 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image.
Time to Interactive: 28.2 s
28.2 sThe page becomes fully interactive after 28.2 s. Good is under 3.8 s.
Speed Index: 11.2 s
11.2 sVisually, the page fills in at 11.2 s (Speed Index). Good is under 3.4 s.
Total Blocking Time: 428 ms
428 msScripts block taps and scrolling for 428 ms in total while the page loads. Good is under 200 ms.
1 image without width and height
1 image have no width and height attributes, so the layout jumps as each one loads.
Tap response (INP) got 17% slower for real visitors
+17%Over the last 25 four-week periods to 2026-11-07, real Chrome visitors' tap response (inp) went from 94 ms to 109 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Largest content (LCP) held steady for real visitors
-4%Over the last 25 four-week periods to 2026-11-07, real Chrome visitors' largest content (lcp) went from 1.7 s to 1.6 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).
7 checks passed
Passes Core Web Vitals for real visitors
Real Chrome users on phones pass Google's Core Web Vitals on this page (28-day field data from the Chrome UX Report (opens in a new tab)).
Real-user LCP: 1.8 s
1.8 sReal visitors wait 1.8 s for the largest content to appear (75th percentile). Good is under 2.5 s.
Real-user INP: 126 ms
126 msReal visitors wait 126 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.
Real-user CLS: 0.00
0.00For real visitors the layout shifts by 0.00 (75th percentile). Good is under 0.1.
Real-user FCP: 1.0 s
1.0 sReal visitors see the first content after 1.0 s (75th percentile). Good is under 1.8 s.
Real-user TTFB: 408 ms
408 msReal visitors wait 408 ms for your server to start answering (75th percentile). Good is under 800 ms.
Cumulative Layout Shift: 0.003
0.003The layout barely moves while loading (CLS 0.003, good is under 0.1).
Images and page weight
Page weight: 4.7 MB in 302 requests
4.7 MBYour homepage downloads 4.7 MB in 302 requests on a phone: scripts 3.1 MB (136), other files 882 KiB (121) and fonts 343 KiB (11). Under 2 MB keeps phones on slow connections fast.
About 1.3 g of CO₂ per visit
1.33 gBy the Sustainable Web Design model, a visit to your homepage emits about 1.33 g of CO₂e: 159.2 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.
3 checks passed
Images use modern formats
Every sizeable image is WebP, AVIF or SVG.
Images load when needed
Images below the first screen wait until the visitor scrolls to them.
Images are sized for phones
No image is downloaded at more than three times the size it is drawn on a phone.
Accessibility
3 text elements with low contrast
3 text elements don't have enough contrast against the background to read easily, especially outdoors on a phone.
Zoom is disabled
The viewport tag blocks pinch-zoom, which low-vision visitors rely on.
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.
2 form fields without a label
2 form fields have no label, so screen readers announce an empty box and autofill guesses.
Headings skip levels
Headings skip levels (h1 → h3), which makes the page harder to scan with a screen reader.
2 checks passed
Every image has alt text
All 37 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 55 WCAG 2.2 A/AA and best-practice rules on the phone render: 51 passed and 4 failed. 3 mores need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.
SEO
No structured data
No structured data (JSON-LD), so Google can't show rich results such as your logo, ratings or FAQs.
3 H1 headlines
There are 3 <h1> headlines (“”, “FOLLOW US ON SOCIAL MEDIA” and “FOLLOW US ON SOCIAL MEDIA”). One clear main headline is easier for people and search engines.
4 links with vague text
4 links use generic text like “click here” or “learn more”, which tells Google nothing about the page behind them.
163 internal links, 16 external
The homepage links to 163 pages on gmcollin.com and 16 external pages.
6 checks passed
Meta description: 154 characters
Your meta description is 154 characters: “A superior anti-aging skincare expert since 1957, G.M. COLLIN offers the ultimate professional-grade skincare solutions…”.
Title: 58 characters
Your title is a healthy 58 characters: “Clinically Proven, Professional-Grade Skincare | GM Collin”.
Canonical URL set
The canonical URL is https://www.gmcollin.com/.
Open Graph tags complete
Open Graph tags are complete, so shared links show a title, description and image.
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://www.gmcollin.com/sitemap.xml.
AI search readiness
No Organization structured data
There is no Organization (or LocalBusiness) JSON-LD, so search engines and AI assistants have no machine-readable facts about who runs the site: its name, logo, profiles and contact details.
3 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.
Text is in the HTML
Your server sends the page's text in the HTML (725 words), so crawlers that don't run JavaScript still read it.
llms.txt published
The site publishes https://www.gmcollin.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 79 found) and read each the way a search engine does.
7 checks passed
Linked pages load
4 pages of 15 loaded without an error (the rest turned automated requests away).
Canonical URLs point to themselves
No page we checked hands its ranking to a different URL.
Every page has a meta description
All 4 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 4 pages that loaded have a <title>.
Best practices
1 broken image
1 image failed to load on a phone, for example https://d3k81ch9hvuctc.cloudfront.net/company/Pb3wug/images/9f4a3561-0a89-4507-ad2d-924d657df631.png.
22 small tap targets
22 of 50 tappable elements near the top of the page are smaller than 24 px, hard to hit with a thumb.
5 third-party cookies
5 third-party cookies are set on load; browsers are restricting these, so whatever relies on them breaks.
Deprecated browser APIs
The page uses 1 deprecated browser API that will stop working in future browsers (“Authorization will not be covered by the wildcard symbol (*) in CORS `Access-Control-Allow-Headers`…”).
4 JavaScript errors while loading
4 errors were logged to the browser console while the page loaded, for example “NY is not defined”.
Browser-reported issues
Chrome logged issues while loading the page (“Cookie”).
1 checks passed
Mobile viewport set
The page declares a mobile viewport.
Content and conversion
Thin social proof
Social proof on the homepage: 64 testimonial or review blocks. Pairing it with named testimonials or customer logos makes it far more convincing.
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 risk reducer
No guarantee or risk reducer (money-back, free trial, no credit card) is mentioned, which is often what tips a hesitant visitor.
About 436 words of copy
The homepage carries about 436 words of visible text.
4 checks passed
Clear next step on the first screen
On a phone, the first screen shows a clear next step: “SUBSCRIBE” and “Learn more”.
5 calls to action
The homepage has 5 calls to action, for example “Subscribe”, “WHERE TO BUY” and “SHOP”.
4 short forms
4 short forms (1 field at most) are right on the homepage, asking for an email.
Analytics in place
Analytics detected: Google Tag Manager and Google Analytics.
Privacy and tracking
6 trackers load before any consent
6Before 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.
22 cookies set on arrival
22Opening the homepage sets 22 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.
48 other companies contacted
Loading the homepage contacts 48 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 gmcollin.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 16 apps. Each one is code from another company running for your shoppers.
Apps your storefront loads
Klaviyo Email Marketing Sms · Cozy Country Redirect · Judge Me Reviews · Sami Product Labels · Smart Filter Search · Mbc Bundle Builder · Tellos Shoppable Video · Monk Free Gift With Purchase · Smart Product Filters · Smart Accessibility · Avada Cookie Bar · chimpstatic.com · widgetic.com · giftkart.app · giftcardpro.app · cloudfront.net
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
- E-commerce
- Shopify
- Analytics
- Google Analytics | Google Tag Manager
- Hosting
- Shopify
Company
- Headquarters
- Montreal
Upkeep, stack, hiring and company data from programmable.info
Go beyond the website
What your $25 Growth Playbook adds
This review found 36 issues on gmcollin.com, including 19 speed issues, 3 SEO issues and 2 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.