rmicrobiolabs.com website review

About 481 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 2.5 s faster on a phone.

20 files block the first paint until they finish downloading. Deferring or inlining them could save about 2.2 s.

5 images could be 310 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 1.4 s faster on a phone.

Your mobile performance score is 51. Pages that score under 90 lose visitors before the first paint.

About 104 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 750 ms faster on a phone.

8 third-party services load with your homepage (Google Maps, Google Tag Manager and cognitoforms.com and others), adding 1.4 MB and 696 ms of main-thread time.

9 files are served with short cache lifetimes, so returning visitors download them again (142 KiB).

Google Maps costs a phone 288 ms of main-thread work and 464 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.

Google Tag Manager costs a phone 255 ms of main-thread work and 307 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 2.3 s on main-thread work while loading, 1.1 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.

cognitoforms.com costs a phone 130 ms of main-thread work and 363 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.

8 long tasks block the main thread while loading, the longest for 187 ms. During a long task the page ignores taps.

Web fonts hide text while they load. Setting font-display: swap shows text immediately (about 50 ms).

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.

1 KiB JavaScript is shipped twice across bundles.

Your largest element takes 18.6 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the text “Servicing the Prepared Food Industry…”.

The page becomes fully interactive after 18.6 s. Good is under 3.8 s.

Visually, the page fills in at 10.7 s (Speed Index). Good is under 3.4 s.

The first text or image appears after 3.2 s on a phone. Good is under 1.8 s.

Scripts block taps and scrolling for 368 ms in total while the page loads. Good is under 200 ms.

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 3.1 MB in 109 requests on a phone: scripts 1.2 MB (52), images 1.2 MB (14) and fonts 489 KiB (12). Under 2 MB keeps phones on slow connections fast.

3 images (117 KiB) are JPEG, PNG or GIF. The same pictures as WebP or AVIF are usually much smaller at the same quality, and every current browser shows them.

3 images further down the page (117 KiB) download before anyone scrolls to them. Adding loading="lazy" lets the first screen load first.

By the Sustainable Web Design model, a visit to your homepage emits about 0.88 g of CO₂e: 105.5 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

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

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

1 frame has no title, so screen-reader users cannot tell what it contains.

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

All page content should be contained by landmarks: 5 elements on the page fail this check, rated moderate by axe-core.

The page has no <main> landmark, so screen-reader users cannot jump straight to the content.

The viewport tag blocks pinch-zoom, which low-vision visitors rely on.

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

No meta description, so Google writes its own snippet from whatever text it finds.

Your title is only 27 characters: “Home - Roesink Microbiology”. Between 30 and 65 characters leaves room to say what you do and for whom.

No Open Graph image (also missing: og:description), so links shared on LinkedIn, Slack or Facebook show no preview picture.

The homepage links to 21 pages on rmicrobiolabs.com and 2 external pages.

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.

There is no https://rmicrobiolabs.com/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.

https://rmicrobiolabs.com/about-us, https://rmicrobiolabs.com/lab-services, https://rmicrobiolabs.com/environmental-monitoring, https://rmicrobiolabs.com/pet-food-testing, https://rmicrobiolabs.com/process-control-verification-for-slaughter-plants and https://rmicrobiolabs.com/air-plate-sampling and 5 others have no meta description, so Google writes the search snippet from whatever text it finds.

https://rmicrobiolabs.com/environmental-monitoring, https://rmicrobiolabs.com/pet-food-testing, https://rmicrobiolabs.com/process-control-verification-for-slaughter-plants, https://rmicrobiolabs.com/shelf-life-and-stability, https://rmicrobiolabs.com/certifications and https://rmicrobiolabs.com/terms-and-conditions took over 3 s to send their HTML from our server.

We fetched 14 pages linked from your homepage and read each the way a search engine does.

6 of 17 tappable elements near the top of the page are smaller than 24 px, hard to hit with a thumb.

2 errors were logged to the browser console while the page loaded, for example “Access to XMLHttpRequest at 'https://cdn.geminimg.com/main.css' from origin 'https://rmicrobiolabs.com' has been blocke…”.

No testimonials, customer logos, ratings or customer counts on the homepage: nothing tells a new visitor that others already trust you.

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.

The homepage has only about 156 words of visible text; thin pages give Google and first-time buyers little to go on.

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

There is no form on the homepage, so every lead has to click through to another page first.

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

Before a visitor clicks anything, the page loads 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 2 cookies (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 15 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.