lecturio.com website review

The page goes through 1 redirect before it starts loading, costing about 9.8 s. Link and advertise the final URL directly.

43 files block the first paint until they finish downloading. Deferring or inlining them could save about 4.6 s.

About 796 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 2.9 s faster on a phone.

Your mobile performance score is 41 (desktop: 48). Under 50 is Google's “poor” band: many phone visitors leave before the page is usable.

A phone's processor spends 6.0 s on main-thread work while loading, 3.8 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.

The page has 3,213 HTML elements. Above 1,500, rendering and every interaction get slower on phones.

10 files are served with short cache lifetimes, so returning visitors download them again (160 KiB).

20 long tasks block the main thread while loading, the longest for 299 ms. During a long task the page ignores taps.

4 third-party services load with your homepage (cookiepro.com, JSDelivr CDN and Optanon and others), adding 210 KiB and 170 ms of main-thread time.

9 KiB could be saved by minifying JavaScript.

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

About 17 KiB of CSS is downloaded but never applied on this page.

Polyfills for old browsers add 9 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.

2 KiB could be saved by minifying CSS.

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.

Real visitors wait 5.6 s for the largest content to appear (75th percentile). Good is under 2.5 s.

Real visitors see the first content after 3.9 s (75th percentile). Good is under 1.8 s.

Real visitors wait 2.5 s for your server to start answering (75th percentile). Good is under 800 ms.

Your largest element takes 14.9 s to render on a phone. Google's threshold for “good” is 2.5 s.

The page becomes fully interactive after 26.3 s. Good is under 3.8 s.

The first text or image appears after 7.1 s on a phone. Good is under 1.8 s.

Visually, the page fills in at 7.1 s (Speed Index). Good is under 3.4 s.

Scripts block taps and scrolling for 667 ms in total while the page loads. Good is under 200 ms.

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

Over the last 25 four-week periods to 2026-10-17, real Chrome visitors' tap response (inp) went from 184 ms to 198 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

Over the last 25 four-week periods to 2026-10-17, real Chrome visitors' largest content (lcp) went from 5.4 s to 5.9 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

Your homepage downloads 3.7 MB in 277 requests on a phone: scripts 2.2 MB (85), fonts 618 KiB (17) and images 408 KiB (28). Under 2 MB keeps phones on slow connections fast.

By the Sustainable Web Design model, a visit to your homepage emits about 1.04 g of CO₂e: 124.2 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

Certain ARIA roles must contain particular children: 1 element on the page fails this check, rated critical by axe-core.

ARIA attributes must conform to valid values: 1 element on the page fails this check, rated critical by axe-core.

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

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

ARIA dialog and alertdialog nodes should have an accessible name: 1 element on the page fails this check, rated serious by axe-core.

Landmarks should have a unique role or role/label/title (i.e. accessible name) combination: 2 elements on the page fail this check, rated moderate by axe-core.

Banner landmark should not be contained in another landmark: 1 element on the page fails this check, rated moderate by axe-core.

Contentinfo landmark should not be contained in another landmark: 1 element on the page fails this check, rated moderate by axe-core.

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

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

Headings skip levels (h2 → h4), which makes the page harder to scan with a screen reader.

Elements with visible text labels do not have matching accessible names. (1 element).

Google's crawler is blocked from indexing this page.

8 links have no real href, so search engines can't follow them.

4 links use generic text like “click here” or “learn more”, which tells Google nothing about the page behind them.

The homepage links to 515 pages on lecturio.com and 15 external pages.

Your Organization JSON-LD is missing url, description and contact details. These are the facts AI assistants use to describe a business and to tell it apart from others with a similar name.

https://www.lecturio.com/courses/medical/dermatology and https://www.lecturio.com/courses/medical/genetics have no <title>, so Google invents the link text in results.

https://www.lecturio.com/courses/medical/dermatology and https://www.lecturio.com/courses/medical/genetics have no meta description, so Google writes the search snippet from whatever text it finds.

https://www.lecturio.com/courses/medical/dermatology and https://www.lecturio.com/courses/medical/genetics have no <h1> headline, so visitors and search engines get no clear main topic.

We fetched 15 pages linked from your homepage (of 124 found) and read each the way a search engine does.

1 image failed to load on a phone, for example https://bat.bing.com/action/0?ti=163001516&tm=gtm002&Ver=2&mid=b3da7b12-b403-412a-88d3-aaf849c0f558&bo=1&sid=ffb73130ce3211f1aacb711af195e678&vid=ffb74940ce3211f18811c9e35d6389c2&vids=1&msclkid=N&pi=9.

1 third-party cookie is set on load; browsers are restricting these, so whatever relies on them breaks.

2 errors were logged to the browser console while the page loaded, for example “Cannot read properties of undefined (reading 'left')”.

Chrome logged issues while loading the page (“Cookie”).

Social proof on the homepage: 10 testimonial or review blocks. Pairing it with named testimonials or customer logos makes it far more convincing.

No phone number or email link on the homepage, so ready-to-buy visitors have one fewer way to reach you.

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.

The homepage carries about 527 words of visible text.

Before a visitor clicks anything, the page loads Google Ads, Google Analytics, Google Tag Manager, Meta Pixel and Microsoft Ads and 5 mores (measured from a US location before any click). A consent tool (OneTrust) is installed; check it blocks these until visitors agree where the law requires it.

Opening the homepage sets 24 cookies (measured from a US location before any click).

Loading the homepage contacts 35 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.