readworks.org website review

About 812 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 4.4 s faster on a phone.

154 files are served with short cache lifetimes, so returning visitors download them again (750 KiB).

5 files block the first paint until they finish downloading. Deferring or inlining them could save about 2.5 s.

Your mobile performance score is 37 (desktop: 41). Under 50 is Google's “poor” band: many phone visitors leave before the page is usable.

A phone's processor spends 5.7 s on main-thread work while loading, 2.6 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.

8 third-party services load with your homepage (Rubicon Project, Google Tag Manager and fuseplatform.net and others), adding 1.8 MB and 1.3 s of main-thread time.

Rubicon Project costs a phone 470 ms of main-thread work and 168 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 images could be 320 KiB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen.

Google Tag Manager costs a phone 259 ms of main-thread work and 351 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.

The page has 1,545 HTML elements. Above 1,500, rendering and every interaction get slower on phones.

Google/Doubleclick Ads costs a phone 112 ms of main-thread work and 317 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 CDN costs a phone 66 ms of main-thread work and 347 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.

18 long tasks block the main thread while loading, the longest for 236 ms. During a long task the page ignores taps.

Polyfills for old browsers add 25 KiB JavaScript that modern phones do not need. Google estimates it would make the page about 100 ms faster on a phone.

The HTML itself could arrive sooner: redirects, a slow server response or missing compression delay everything after it.

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

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.

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.

Your largest element takes 54.3 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image “Student hugs their laptop to their chest and smiles”.

The page becomes fully interactive after 54.6 s. Good is under 3.8 s.

The first text or image appears after 6.7 s on a phone. Good is under 1.8 s.

Visually, the page fills in at 9.1 s (Speed Index). Good is under 3.4 s.

Scripts block taps and scrolling for 852 ms in total while the page loads. Good is under 200 ms.

Real visitors wait 3.9 s for the largest content to appear (75th percentile). Good is under 2.5 s.

Real visitors wait 371 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.

Real visitors see the first content after 2.8 s (75th percentile). Good is under 1.8 s.

Real visitors wait 1.1 s for your server to start answering (75th percentile). Good is under 800 ms.

Over the last 25 four-week periods to 2026-10-03, real Chrome visitors' tap response (inp) went from 291 ms to 306 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

Over the last 25 four-week periods to 2026-10-03, real Chrome visitors' largest content (lcp) went from 4.3 s to 4.1 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

Your homepage downloads 3.9 MB in 1,179 requests on a phone: scripts 2.1 MB (42), images 652 KiB (419) and other files 470 KiB (532). Under 2 MB keeps phones on slow connections fast.

By the Sustainable Web Design model, a visit to your homepage emits about 1.12 g of CO₂e: 134.3 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

1 button has no accessible name, so screen readers announce just “button”.

All page content should be contained by landmarks: 2 elements on the page fail this check, rated moderate by axe-core.

1 visible link has no text or label, so screen readers cannot say where it goes.

There is no <h1>, so neither visitors nor Google get a clear main headline.

No structured data (JSON-LD), so Google can't show rich results such as your logo, ratings or FAQs.

The homepage links to only 0 pages on your own site, so visitors and crawlers find few routes into the rest of it.

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

1 link has no real href, so search engines can't follow it.

Open Graph is missing og:title, so shared links fall back to guesses.

No twitter:card tag. X falls back to Open Graph, which is incomplete here.

A phone browser shows 336 words, but the HTML your server sends has only 0. GPTBot, ClaudeBot and PerplexityBot read that HTML without running JavaScript, so they see an almost empty page. Server-side rendering or pre-rendering fixes it.

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 /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.

22 third-party cookies are set on load; browsers are restricting these, so whatever relies on them breaks.

1 error was logged to the browser console while the page loaded, for example “Failed to load resource: net::ERR_EMPTY_RESPONSE”.

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

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

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

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 336 words of visible text.

Before a visitor clicks anything, the page loads Amazon Ads, Criteo, Google Ads, Google Analytics and Google Tag Manager and 1 more (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 11 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 53 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.