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mkm.com website review
Visit site (opens in a new tab)Reviewed 31 October 202639 issues · 104 checks
This review found 39 issues worth fixing on mkm.com, 13 of them high impact, across 104 checks. The most urgent: fails Core Web Vitals for real visitors. 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
77C- #44,244 of 80,918 reviewed websitesbeats 40%
- #25,311 of 39,887 online storesbeats 31%
- #313 of 716 BigCommerce storesbeats 48%
Closest competitors among BigCommerce stores
Compare side by sideShow as table
| Date | Real-visitor load time (LCP) |
|---|---|
| May 9, 2026 | 1.7 s |
| May 16, 2026 | 1.7 s |
| May 23, 2026 | 1.7 s |
| May 30, 2026 | 1.7 s |
| Jun 6, 2026 | 1.7 s |
| Jun 13, 2026 | 1.7 s |
| Jun 20, 2026 | 1.7 s |
| Jun 27, 2026 | 1.7 s |
| Jul 4, 2026 | 1.7 s |
| Jul 11, 2026 | 1.7 s |
| Jul 18, 2026 | 1.7 s |
| Jul 25, 2026 | 1.8 s |
| Aug 1, 2026 | 1.8 s |
| Aug 8, 2026 | 1.8 s |
| Aug 15, 2026 | 1.8 s |
| Aug 22, 2026 | 1.8 s |
| Aug 29, 2026 | 1.8 s |
| Sep 5, 2026 | 1.8 s |
| Sep 12, 2026 | 1.8 s |
| Sep 19, 2026 | 1.8 s |
| Sep 26, 2026 | 1.8 s |
| Oct 3, 2026 | 1.7 s |
| Oct 10, 2026 | 1.7 s |
| Oct 17, 2026 | 1.7 s |
| Oct 24, 2026 | 1.7 s |
Show as table
| Date | Real-visitor tap response (INP) |
|---|---|
| May 9, 2026 | 225 ms |
| May 16, 2026 | 227 ms |
| May 23, 2026 | 233 ms |
| May 30, 2026 | 238 ms |
| Jun 6, 2026 | 243 ms |
| Jun 13, 2026 | 245 ms |
| Jun 20, 2026 | 248 ms |
| Jun 27, 2026 | 253 ms |
| Jul 4, 2026 | 257 ms |
| Jul 11, 2026 | 261 ms |
| Jul 18, 2026 | 263 ms |
| Jul 25, 2026 | 267 ms |
| Aug 1, 2026 | 270 ms |
| Aug 8, 2026 | 272 ms |
| Aug 15, 2026 | 277 ms |
| Aug 22, 2026 | 279 ms |
| Aug 29, 2026 | 280 ms |
| Sep 5, 2026 | 277 ms |
| Sep 12, 2026 | 274 ms |
| Sep 19, 2026 | 267 ms |
| Sep 26, 2026 | 260 ms |
| Oct 3, 2026 | 254 ms |
| Oct 10, 2026 | 249 ms |
| Oct 17, 2026 | 249 ms |
| Oct 24, 2026 | 251 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
1.5 s
2.3 s
3.0 s
3.8 s
4.6 s
5.3 s
6.1 s
mkm.com does not allow embedding, so this is Google's rendering of the page.
Speed
Main-thread work: 4.1 s
A phone's processor spends 4.1 s on main-thread work while loading, 2.5 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.
Reduce unused JavaScript
450 ms · 889 KiBAbout 889 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 450 ms faster on a phone.
8 third-party services on the page
8 third-party services load with your homepage (Google Tag Manager, FullStory and Google Maps and others), adding 1.5 MB and 998 ms of main-thread time.
Mobile performance score: 53
53/100Your mobile performance score is 53. Pages that score under 90 lose visitors before the first paint.
Render-blocking requests
650 ms12 files block the first paint until they finish downloading. Deferring or inlining them could save about 650 ms.
Google Tag Manager adds 383 ms
383 msGoogle Tag Manager costs a phone 383 ms of main-thread work and 379 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.
12 long tasks on the main thread
12 long tasks block the main thread while loading, the longest for 405 ms. During a long task the page ignores taps.
FullStory adds 279 ms
279 msFullStory costs a phone 279 ms of main-thread work and 409 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.
1,541 HTML elements
The page has 1,541 HTML elements. Above 1,500, rendering and every interaction get slower on phones.
Google Maps adds 91 ms
91 msGoogle Maps costs a phone 91 ms of main-thread work and 331 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.
Use efficient cache lifetimes
181 KiB23 files are served with short cache lifetimes, so returning visitors download them again (181 KiB).
Reduce unused CSS
59 KiBAbout 59 KiB of CSS is downloaded but never applied on this page.
Font display
50 msWeb fonts hide text while they load. Setting font-display: swap shows text immediately (about 50 ms).
Improve image delivery
18 KiB1 image could be 18 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen.
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.
Duplicated JavaScript
2 KiB2 KiB JavaScript is shipped twice across bundles.
1 checks passed
Server response: 265 ms
265 msYour server sent the HTML in 265 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.
Time to Interactive: 19.0 s
19.0 sThe page becomes fully interactive after 19.0 s. Good is under 3.8 s.
Speed Index: 8.1 s
8.1 sVisually, the page fills in at 8.1 s (Speed Index). Good is under 3.4 s.
Largest Contentful Paint: 4.9 s
4.9 sYour largest element takes 4.9 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image.
Total Blocking Time: 875 ms
875 msScripts block taps and scrolling for 875 ms in total while the page loads. Good is under 200 ms.
Real-user INP: 273 ms
273 msReal visitors wait 273 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.
17 images without width and height
17 images have no width and height attributes, so the layout jumps as each one loads.
First Contentful Paint: 1.8 s
1.8 sThe first text or image appears after 1.8 s on a phone. Good is under 1.8 s.
Tap response (INP) got 11% slower for real visitors
+11%Over the last 25 four-week periods to 2026-10-24, real Chrome visitors' tap response (inp) went from 225 ms to 251 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Largest content (LCP) held steady for real visitors
-1%Over the last 25 four-week periods to 2026-10-24, real Chrome visitors' largest content (lcp) went from 1.7 s to 1.7 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).
5 checks passed
Real-user LCP: 1.7 s
1.7 sReal visitors wait 1.7 s for the largest content to appear (75th percentile). Good is under 2.5 s.
Real-user CLS: 0.02
0.02For real visitors the layout shifts by 0.02 (75th percentile). Good is under 0.1.
Real-user FCP: 1.5 s
1.5 sReal visitors see the first content after 1.5 s (75th percentile). Good is under 1.8 s.
Real-user TTFB: 738 ms
738 msReal visitors wait 738 ms for your server to start answering (75th percentile). Good is under 800 ms.
Cumulative Layout Shift: 0.015
0.015The layout barely moves while loading (CLS 0.015, good is under 0.1).
Images and page weight
Page weight: 2.9 MB in 266 requests
2.9 MBYour homepage downloads 2.9 MB in 266 requests on a phone: scripts 2.1 MB (134), images 281 KiB (32) and HTML 190 KiB (3). Under 2 MB keeps phones on slow connections fast.
About 0.8 g of CO₂ per visit
0.82 gBy the Sustainable Web Design model, a visit to your homepage emits about 0.82 g of CO₂e: 98.1 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
ARIA attributes must conform to valid values (7 elements)
ARIA attributes must conform to valid values: 7 elements on the page fail this check, rated critical by axe-core.
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.
2 tap targets too small
2 tap targets are too small or too close together to hit reliably with a finger.
Interactive controls must not be nested (1 element)
Interactive controls must not be nested: 1 element on the page fails this check, rated serious by axe-core.
Scrollable region must have keyboard access (1 element)
Scrollable region must have keyboard access: 1 element on the page fails this check, rated serious by axe-core.
3 images without alt text
3 images have no alt text, which hurts accessibility and image search.
All page content should be contained by landmarks (7 elements)
All page content should be contained by landmarks: 7 elements on the page fail this check, rated moderate by axe-core.
Landmarks should have a unique role or role/label/title (i.e. accessible name) combination (1 element)
Landmarks should have a unique role or role/label/title (i.e. accessible name) combination: 1 element on the page fails this check, rated moderate by axe-core.
3 links without text
3 visible links have no text or label, so screen readers cannot say where they go.
1 form field without a label
1 form field has no label, so screen readers announce an empty box and autofill guesses.
ARIA role should be appropriate for the element (1 element)
ARIA role should be appropriate for the element: 1 element on the page fails this check, rated minor by axe-core.
Headings should not be empty (1 element)
Headings should not be empty: 1 element on the page fails this check, rated minor by axe-core.
Elements with visible text labels do not have matching accessible names.
Elements with visible text labels do not have matching accessible names. (1 element).
1 checks passed
49 automated accessibility rules passed
axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 60 WCAG 2.2 A/AA and best-practice rules on the phone render: 49 passed and 11 failed. 1 more need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.
SEO
36 H1 headlines
There are 36 <h1> headlines (“Popular products”, “18mm x 69mm SAM Mouldings Architrave Pencil Round…” and “Hanson Cement Multicem, 25kg”). One clear main headline is easier for people and search engines.
Meta description is long (227 characters)
Your meta description is 227 characters; Google truncates after about 160, so the end of your pitch is cut.
No social preview image
No Open Graph image (also missing: og:title, og:description), so links shared on LinkedIn, Slack or Facebook show no preview picture.
No favicon declared
No favicon is declared in the HTML, so browser tabs and Google's mobile results may show a generic icon.
No X (Twitter) card tag
No twitter:card tag. X falls back to Open Graph, which is incomplete here.
131 internal links, 13 external
The homepage links to 131 pages on mkm.com and 13 external pages.
5 checks passed
Title: 42 characters
Your title is a healthy 42 characters: “MKM Building Supplies | Your local experts”.
Canonical URL set
The canonical URL is https://mkm.com/.
Structured data in place
Structured data found: Organization and WebSite.
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://mkm.com/product_sitemap_1.xml.
AI search readiness
No llms.txt
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.
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.
Organization data: 5 of 6 facts
Your Organization JSON-LD gives name, url, logo, sameAs (social profiles) and contact details; description would complete it.
Text is in the HTML
Your server sends the page's text in the HTML (944 words), so crawlers that don't run JavaScript still read it.
Other pages
15 internal pages checked
We fetched 15 pages linked from your homepage (of 78 found) and read each the way a search engine does.
1 checks passed
Linked pages load
All 15 pages we checked loaded without an error.
Best practices
1 JavaScript error while loading
1 error was logged to the browser console while the page loaded, for example “Executing inline event handler violates the following Content Security Policy directive 'script-src-attr 'none''. Eithe…”.
2 checks passed
Tap targets are thumb-sized
44 of 45 tappable elements near the top are at least 24 px.
Mobile viewport set
The page declares a mobile viewport.
Security and trust
No X-Content-Type-Options
X-Content-Type-Options: nosniff is missing, so browsers may guess file types.
No Referrer-Policy
No Referrer-Policy header, so full URLs can leak to the sites you link to.
Deprecated X-XSS-Protection
X-XSS-Protection is set to “1; mode=block”; the header is deprecated and can introduce bugs. Use 0 or remove it.
No security.txt
There is no /.well-known/security.txt telling researchers how to report a security problem to you.
8 checks passed
Served over HTTPS
The homepage is served over HTTPS (mkm.com).
Valid certificate (80 days left)
The certificate from Google Trust Services · WE1 verifies for mkm.com and is valid for another 80 days.
Protected from clickjacking
X-Frame-Options or a frame-ancestors policy stops other sites framing yours.
Content-Security-Policy set
A Content-Security-Policy is set, the main browser-side defence against injected scripts.
HSTS enabled
Strict-Transport-Security is set, so browsers always use https.
http:// redirects to https
http://mkm.com redirects to the secure version.
HTTP/2
The server speaks HTTP/2, so browsers load many files over one connection.
All 49 links work
All 49 links checked from your homepage (40 internal, 9 external) answered without errors.
Domain and trust
No CAA record
mkm.com has no CAA record, so any certificate authority may issue a certificate for it. A CAA record naming your provider (for example letsencrypt.org) closes that door.
3 checks passed
Domain is 30 years old
30 yearsmkm.com was registered in Nov 1995 through GoDaddy.com, LLC. An established domain carries more trust with email providers and search engines.
DNSSEC is on
mkm.com's DNS answers are signed (DNSSEC), so they can't be forged on the way to visitors.
Registered until Nov 2027
mkm.com is registered until Nov 2027.
Content and conversion
No call to action on the first screen
On a phone, there is no call to action on the first screen: visitors have to scroll to find out what to do next.
Thin social proof
Social proof on the homepage: 1 customer or partner logo. 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 645 words of copy
The homepage carries about 645 words of visible text.
3 checks passed
4 calls to action
The homepage has 4 calls to action, for example “Request a Brochure”, “£1000 Credit*Apply for an account” and “Contact us”.
3 short forms
3 short forms (2 fields at most) are right on the homepage, asking for an email.
Analytics in place
Analytics detected: Google Tag Manager.
Email authentication
Email authentication score: 95/100
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.
3 checks passed
DMARC policy: reject
DMARC tells receivers to reject mail that fails authentication, and sends you reports.
SPF in place (~all)
An SPF record lists your sending servers and marks other mail as suspicious (~all): “v=spf1 include:mailgun.org include:spf.protection.outlook.com include:eu._netblocks.mimecast.com ~all”.
DKIM signing found
A DKIM key is published (selector “s1” and “s2”), so receivers can verify mail really came from you.
Privacy and tracking
6 trackers load before any consent
6Before a visitor clicks anything, the page loads FullStory, Google Ads, Google Analytics, Google Tag Manager and Pinterest Tag and 1 more (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.
10 cookies set on arrival
10Opening the homepage sets 10 cookies (measured from a US location before any click).
28 other companies contacted
Loading the homepage contacts 28 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.
1 checks passed
Consent tool: Usercentrics
A consent management tool (Usercentrics) loads with the page.
Upkeep, stack and company
No signs of neglect in what was checked: the copyright year, CMS and plugin versions, and jQuery.
Stack
- Framework
- Nuxt
- E-commerce
- BigCommerce
- Analytics
- Google Tag Manager | FullStory
- Hosting
- Cloudflare
Company
- Founded
- 1995
- Headquarters
- Kingston upon Hull
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 mkm.com, including 18 speed issues, 4 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.