ex3labdirect.com website review

8 third-party services load with your homepage (vitals.app, Google Tag Manager and Crazy Egg and others), adding 1.1 MB and 989 ms of main-thread time.

Your mobile performance score is 74. Pages that score under 90 lose visitors before the first paint.

About 520 KiB of JavaScript is downloaded but never used on this page.

vitals.app costs a phone 327 ms of main-thread work and 487 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 file blocks the first paint until they finish downloading. Deferring or inlining it could save about 350 ms.

Google Tag Manager costs a phone 301 ms of main-thread work and 328 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.

A phone's processor spends 2.6 s on main-thread work while loading, 1.4 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.

9 long tasks block the main thread while loading, the longest for 248 ms. During a long task the page ignores taps.

About 38 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 150 ms faster on a phone.

4 files are served with short cache lifetimes, so returning visitors download them again (123 KiB).

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

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.

4 KiB could be saved by minifying JavaScript.

3 KiB could be saved by minifying CSS.

The page becomes fully interactive after 10.0 s. Good is under 3.8 s.

Scripts block taps and scrolling for 661 ms in total while the page loads. Good is under 200 ms.

Your largest element takes 3.2 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image.

Visually, the page fills in at 4.3 s (Speed Index). Good is under 3.4 s.

1 image have no width and height attributes, so the layout jumps as each one loads.

Chrome's UX Report (opens in a new tab) has too little real-visitor traffic for this site, so the figures here are lab measurements from Google's test phone on a throttled 4G connection.

Your homepage downloads 2.4 MB in 143 requests on a phone: scripts 1.3 MB (62), other files 639 KiB (64) and images 279 KiB (11). Under 2 MB keeps phones on slow connections fast.

By the Sustainable Web Design model, a visit to your homepage emits about 0.68 g of CO₂e: 81.6 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

2 elements use ARIA attributes their role does not allow, which confuses screen readers.

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

1 text element doesn't have enough contrast against the background to read easily, especially outdoors on a phone.

1 link inside paragraphs relies on colour alone to stand out.

Document should not have more than one banner landmark: 1 element on the page fails this check, rated moderate by axe-core.

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.

All page content should be contained by landmarks: 1 element on the page fails this check, rated moderate by axe-core.

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

Headings skip levels (h1 → h3), which makes the page harder to scan with a screen reader.

Your canonical URL points to katanalabdirect.com, not ex3labdirect.com, so Google may credit that host instead.

Your meta description is only 49 characters: “Purchase Katana discs directly from manufacturer.”. 70 to 160 characters is enough to sell the click.

Structured data found (Organization and WebSite) but with 1 problem, for example “Organization: url points at a different host (https://katanalabdirect.com)”.

1 link use generic text like “click here” or “learn more”, which tells Google nothing about the page behind it.

Your <h1> is empty.

The homepage links to 29 pages on ex3labdirect.com and 9 external pages.

/collections/all, /collections/cerabien-milai, /collections/crown-and-bridge-materials-1, /collections/milai-powder, /collections/milai-paste-1 and /collections/milai-internal-stain and 5 others have no meta description, so Google writes the search snippet from whatever text it finds.

We fetched 13 pages linked from your homepage and read each the way a search engine does.

1 error was logged to the browser console while the page loaded, for example “Uncaught Error: CE: multiple userscripts installed”.

1 link to other sites is dead, for example https://mobile.twitter.com/kurarayus (404).

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

1 link go through two or more redirects, for example https://katanazirconia.com/contact/.

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

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

X-XSS-Protection is set to “1; mode=block”; the header is deprecated and can introduce bugs. Use 0 or remove it.

There is no /.well-known/security.txt telling researchers how to report a security problem to you.

ex3labdirect.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.

ex3labdirect.com's DNS answers are not signed. DNSSEC stops attackers forging them to send visitors or email elsewhere; most registrars switch it on in a click, though most sites still run without it.

The homepage has only about 147 words of visible text; thin pages give Google and first-time buyers little to go on.

Your phone number appears as text but isn't a tel: link, so phone visitors can't tap to call.

No guarantee or risk reducer (money-back, free trial, no credit card) is mentioned, which is often what tips a hesitant visitor.

DMARC is set to p=none, so mail pretending to be ex3labdirect.com is still delivered. Add a report address, check the reports, then move to quarantine.

We found no DKIM key on the selectors the big email providers use. If you send through one of them, turning on DKIM signing improves delivery.

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.

Before a visitor clicks anything, the page loads Google Ads, Google Analytics and Google Tag Manager (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 10 cookies, 1 of them by other companies (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 13 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.