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mathon.fr website review

Visit site (opens in a new tab)Reviewed 3 November 202633 issues · 106 checks

This review found 33 issues worth fixing on mathon.fr, 12 of them high impact, across 106 checks. The most urgent: fails Core Web Vitals for real visitors. Your full playbook turns these into prioritised fixes alongside reviews, competitors and channels.

  1. Homepage
  2. Phone render
  3. Links and pages
  4. Google PageSpeed

Google PageSpeed Insights (opens in a new tab), mobile

Real-visitor load time (LCP)75th percentile, phones
2.6 s1.8 sMay 16Oct 311.9 s
Show as table
DateReal-visitor load time (LCP)
May 16, 20262.4 s
May 23, 20262.4 s
May 30, 20262.4 s
Jun 6, 20262.4 s
Jun 13, 20262.4 s
Jun 20, 20262.4 s
Jun 27, 20262.4 s
Jul 4, 20262.4 s
Jul 11, 20262.4 s
Jul 18, 20262.3 s
Jul 25, 20262.3 s
Aug 1, 20262.3 s
Aug 8, 20262.4 s
Aug 15, 20262.4 s
Aug 22, 20262.5 s
Aug 29, 20262.5 s
Sep 5, 20262.5 s
Sep 12, 20262.4 s
Sep 19, 20262.4 s
Sep 26, 20262.4 s
Oct 3, 20262.5 s
Oct 10, 20262.4 s
Oct 17, 20262.3 s
Oct 24, 20262.1 s
Oct 31, 20261.9 s
Real-visitor tap response (INP)75th percentile, phones
294 ms231 msMay 16Oct 31254 ms
Show as table
DateReal-visitor tap response (INP)
May 16, 2026238 ms
May 23, 2026246 ms
May 30, 2026257 ms
Jun 6, 2026269 ms
Jun 13, 2026278 ms
Jun 20, 2026287 ms
Jun 27, 2026286 ms
Jul 4, 2026285 ms
Jul 11, 2026276 ms
Jul 18, 2026265 ms
Jul 25, 2026261 ms
Aug 1, 2026256 ms
Aug 8, 2026259 ms
Aug 15, 2026263 ms
Aug 22, 2026265 ms
Aug 29, 2026267 ms
Sep 5, 2026262 ms
Sep 12, 2026257 ms
Sep 19, 2026253 ms
Sep 26, 2026251 ms
Oct 3, 2026254 ms
Oct 10, 2026257 ms
Oct 17, 2026262 ms
Oct 24, 2026261 ms
Oct 31, 2026254 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

Full-page screenshot of mathon.fr (phone) rendered by Google PageSpeed Insights

How it loaded on a phone

  1. mathon.fr at 0.4 s0.4 s
  2. mathon.fr at 0.8 s0.8 s
  3. mathon.fr at 1.1 s1.1 s
  4. mathon.fr at 1.5 s1.5 s
  5. mathon.fr at 1.9 s1.9 s
  6. mathon.fr at 2.3 s2.3 s
  7. mathon.fr at 2.6 s2.6 s
  8. mathon.fr at 3.0 s3.0 s

mathon.fr does not allow embedding, so this is Google's rendering of the page.

Speed

9 to fix78
  • Main-thread work: 5.8 s

    A phone's processor spends 5.8 s on main-thread work while loading, 2.7 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.

  • 4,954 HTML elements

    The page has 4,954 HTML elements. Above 1,500, rendering and every interaction get slower on phones.

  • Mobile performance score: 78

    78/100

    Your mobile performance score is 78. Pages that score under 90 lose visitors before the first paint.

  • 8 third-party services on the page

    8 third-party services load with your homepage (Klaviyo, Clarity and Shopify and others), adding 1.8 MB and 737 ms of main-thread time.

  • Reduce unused JavaScript

    320 ms · 493 KiB

    About 493 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 320 ms faster on a phone.

  • Render-blocking requests

    700 ms

    3 files block the first paint until they finish downloading. Deferring or inlining them could save about 700 ms.

  • Klaviyo adds 244 ms

    244 ms

    Klaviyo costs a phone 244 ms of main-thread work and 635 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 120 ms

    120 ms

    Shopify costs a phone 120 ms of main-thread work and 588 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.

  • azurefd.net adds 23 ms

    23 ms

    azurefd.net costs a phone 23 ms of main-thread work and 329 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.

  • Improve image delivery

    150 ms · 118 KiB

    18 images could be 118 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 150 ms faster on a phone.

  • 8 long tasks on the main thread

    8 long tasks block the main thread while loading, the longest for 103 ms. During a long task the page ignores taps.

  • Use efficient cache lifetimes

    48 KiB

    11 files are served with short cache lifetimes, so returning visitors download them again (48 KiB).

  • Reduce unused CSS

    41 KiB

    About 41 KiB of CSS is downloaded but never applied on this page.

  • Legacy JavaScript

    19 KiB

    Polyfills for old browsers add 19 KiB JavaScript that modern phones do not need.

  • Minify CSS

    6 KiB

    6 KiB could be saved by minifying CSS.

  • 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: 45 ms

    45 ms

    Your server sent the HTML in 45 ms, well inside Google's 600 ms guideline.

Core Web Vitals

5 to fix67
  • 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: 18.1 s

    18.1 s

    The page becomes fully interactive after 18.1 s. Good is under 3.8 s.

  • Largest Contentful Paint: 4.4 s

    4.4 s

    Your largest element takes 4.4 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image.

  • Speed Index: 6.0 s

    6.0 s

    Visually, the page fills in at 6.0 s (Speed Index). Good is under 3.4 s.

  • Real-user INP: 276 ms

    276 ms

    Real visitors wait 276 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.

  • Tap response (INP) held steady for real visitors

    +6%

    Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' tap response (inp) went from 238 ms to 254 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

8 checks passed
  • Real-user LCP: 1.7 s

    1.7 s

    Real visitors wait 1.7 s for the largest content to appear (75th percentile). Good is under 2.5 s.

  • Real-user CLS: 0.00

    0.00

    For real visitors the layout shifts by 0.00 (75th percentile). Good is under 0.1.

  • Real-user FCP: 1.3 s

    1.3 s

    Real visitors see the first content after 1.3 s (75th percentile). Good is under 1.8 s.

  • Real-user TTFB: 453 ms

    453 ms

    Real visitors wait 453 ms for your server to start answering (75th percentile). Good is under 800 ms.

  • Largest content (LCP) got 19% faster for real visitors

    -19%

    Over the last 25 four-week periods to 2026-10-31, real Chrome visitors' largest content (lcp) went from 2.4 s to 1.9 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

  • Total Blocking Time: 149 ms

    149 ms

    Scripts block the page for only 149 ms while loading. Good is under 200 ms.

  • First Contentful Paint: 1.1 s

    1.1 s

    The first text or image appears after 1.1 s, inside the 1.8 s “good” threshold.

  • Cumulative Layout Shift: 0

    0

    The layout barely moves while loading (CLS 0, good is under 0.1).

Images and page weight

1 to fix70
  • Page weight: 4.7 MB in 439 requests

    4.7 MB

    Your homepage downloads 4.7 MB in 439 requests on a phone: scripts 1.6 MB (127), images 1.5 MB (119) and other files 1.3 MB (167). Under 2 MB keeps phones on slow connections fast.

  • About 1.3 g of CO₂ per visit

    1.33 g

    By the Sustainable Web Design model, a visit to your homepage emits about 1.33 g of CO₂e: 159.8 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

5 to fixGoogle 9093
  • 30 tap targets too small

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

  • 19 text elements with low contrast

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

  • Hidden but focusable

    6 elements hidden from screen readers can still receive keyboard focus.

  • All page content should be contained by landmarks (3 elements)

    All page content should be contained by landmarks: 3 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.

2 checks passed
  • Every image has alt text

    All 177 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 56 WCAG 2.2 A/AA and best-practice rules on the phone render: 51 passed and 5 failed. 4 mores need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.

SEO

3 to fixGoogle 10084
  • Title is long (77 characters)

    Your title is 77 characters, so Google will cut it off around 60: “Mathon.fr - Spécialiste des ustensiles de cuisine - Prix Noël - www.mathon.fr”.

  • Meta description is long (301 characters)

    Your meta description is 301 characters; Google truncates after about 160, so the end of your pitch is cut.

  • Structured data has 8 problems

    Structured data found ((untyped), OnlineBusiness and WebSite) but with 8 problems, for example “untyped block: missing @context (expected "https://schema.org")”.

  • 721 internal links, 14 external

    The homepage links to 721 pages on mathon.fr and 14 external pages.

5 checks passed
  • One H1 headline

    Your main headline reads: “Vente d'ustensiles de cuisine, casseroles et électroménager”.

  • Canonical URL set

    The canonical URL is https://www.mathon.fr/.

  • 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.mathon.fr/sitemap.xml.

AI search readiness

100
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: 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 (3,540 words), so crawlers that don't run JavaScript still read it.

  • llms.txt published

    The site publishes /llms.txt (5 KiB, 8 links), a plain-text guide to the site for AI tools.

Other pages

1 to fix95
  • 1 link to non-canonical URLs

    Your homepage links to 1 page by a URL that isn't its canonical one, for example /collections/fait-maison, whose canonical is /pages/fait-maison. Linking straight to the canonical URL saves crawlers a detour and keeps ranking signals on one address.

  • 1 page slow to respond

    /pages/nos-marques took over 3 s to send its HTML from our server.

  • 15 internal pages checked

    We fetched 15 pages linked from your homepage (of 198 found) and read each the way a search engine does.

6 checks passed
  • Linked pages load

    All 15 pages we checked loaded without an error.

  • 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 to fixGoogle 9287
  • 100 small tap targets

    100 of 202 tappable elements near the top of the page are smaller than 24 px, hard to hit with a thumb.

  • 1 JavaScript error while loading

    1 error was logged to the browser console while the page loaded, for example “Failed to load resource: the server responded with a status of 404 ()”.

  • Requests the notification permission on page load

    Requests the notification permission on page load.

1 checks passed
  • Mobile viewport set

    The page declares a mobile viewport.

Security and trust

100
  • Short HSTS lifetime

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

  • No Referrer-Policy

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

  • No Permissions-Policy

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

  • 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.

7 checks passed
  • Served over HTTPS

    The homepage is served over HTTPS (mathon.fr).

  • Valid certificate (65 days left)

    The certificate from Let's Encrypt · YE1 verifies for mathon.fr and is valid for another 65 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.

  • http:// redirects to https

    http://mathon.fr redirects to the secure version.

  • HTTP/2 and HTTP/3

    The server speaks HTTP/2 and advertises HTTP/3, 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

3 checks passed
  • Domain is 24 years old

    24 years

    mathon.fr was registered in Sep 2002 through OVH. An established domain carries more trust with email providers and search engines.

  • Certificate issuers are restricted

    CAA records allow only globalsign.com, letsencrypt.org, pki.goog and ssl.com to issue certificates for mathon.fr, so a mis-issued certificate from anyone else is refused.

  • Registered until Feb 2027

    mathon.fr is registered until Feb 2027.

Content and conversion

6 to fix50
  • 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.

  • No calls to action

    We found no call-to-action buttons or links (such as “Book a demo” or “Get a quote”) anywhere on the homepage.

  • Local business without LocalBusiness data

    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.

  • 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.

  • Thin social proof

    Social proof on the homepage: a star rating. 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 opening hours

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

  • No map or directions link

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

  • 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 2,570 words of copy

    The homepage carries about 2,570 words of visible text.

  • Urgency cues

    The page uses urgency cues (a countdown or limited-time wording).

2 checks passed
  • 42 short forms

    42 short forms (1 field at most) are right on the homepage.

  • Analytics in place

    Analytics detected: Google Tag Manager and Microsoft Clarity.

Email authentication

85
  • Email authentication score: 85/100

    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: quarantine

    DMARC tells receivers to quarantine mail that fails authentication.

  • SPF in place (~all)

    An SPF record lists your sending servers and marks other mail as suspicious (~all): “v=spf1 mx a ip4:195.28.206.60/29 include:spf.protection.outlook.com include:mail.zendesk.com include:shops.shopify.com …”.

  • DKIM signing found

    A DKIM key is published (selector “selector1”, “s1” and “s2”), so receivers can verify mail really came from you.

Privacy and tracking

1 to fix
  • 7 trackers load before any consent

    7

    Before a visitor clicks anything, the page loads Google Ads, Google Analytics, Google Tag Manager, Klaviyo and Microsoft Ads and 2 mores (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.

  • 15 cookies set on arrival

    15

    Opening the homepage sets 15 cookies (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.

  • 33 other companies contacted

    Loading the homepage contacts 33 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.

Upkeep, stack and company

Stack

Framework
Bootstrap
E-commerce
Shopify
Analytics
Google Tag Manager | Microsoft Clarity
Hosting
Shopify Hosted

Upkeep, stack, hiring and company data from programmable.info

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