adata.com website review

About 702 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 5.1 s faster on a phone.

38 files are served with short cache lifetimes, so returning visitors download them again (3.2 MB).

13 images could be 1.4 MB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen.

Your mobile performance score is 54 (desktop: 54). Pages that score under 90 lose visitors before the first paint.

The HTML itself could arrive about 700 ms sooner: redirects, a slow server response or missing compression delay everything after it.

7 files block the first paint until they finish downloading. Deferring or inlining them could save about 850 ms.

Reduce initial server response time. Google estimates savings of 705 ms on a phone.

8 third-party services load with your homepage (Google Tag Manager, Facebook and LinkedIn Ads and others), adding 1.0 MB and 532 ms of main-thread time.

Google Tag Manager costs a phone 351 ms of main-thread work and 721 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.

Web fonts hide text while they load. Setting font-display: swap shows text immediately (about 300 ms).

Your server takes 805 ms to send the HTML. Google recommends under 600 ms; everything else waits for it.

Polyfills for old browsers add 24 KiB JavaScript that modern phones do not need. Google estimates it would make the page about 150 ms faster on a phone.

10 long tasks block the main thread while loading, the longest for 135 ms. During a long task the page ignores taps.

About 11 KiB of CSS is downloaded but never applied on this page.

Critical files load one after another instead of in parallel (3 chains). Preconnecting to key origins and preloading the hero image shortens the chain.

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.

For real visitors the layout shifts by 0.95 (75th percentile). Good is under 0.1.

Your largest element takes 24.2 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the element shown below.

The page becomes fully interactive after 24.9 s. Good is under 3.8 s.

Visually, the page fills in at 12.5 s (Speed Index). Good is under 3.4 s.

Real visitors wait 3.4 s for the largest content to appear (75th percentile). Good is under 2.5 s.

Over the last 25 four-week periods to 2026-10-24, real Chrome visitors' tap response (inp) went from 188 ms to 263 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).

Over the last 25 four-week periods to 2026-10-24, real Chrome visitors' largest content (lcp) went from 3.5 s to 4.9 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).

Real visitors see the first content after 2.2 s (75th percentile). Good is under 1.8 s.

Real visitors wait 1.6 s for your server to start answering (75th percentile). Good is under 800 ms.

The first text or image appears after 2.7 s on a phone. Good is under 1.8 s.

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

Scripts block taps and scrolling for 296 ms in total while the page loads. Good is under 200 ms.

Your homepage downloads 17.7 MB in 170 requests on a phone: media 12.0 MB (19), images 3.1 MB (53) and scripts 1.8 MB (49). Under 2 MB keeps phones on slow connections fast.

社群素材_linkedin_po文.jpg weighs 680 KiB. On a phone connection a single image that size takes seconds.

7 images (2.2 MB) 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.

6 images further down the page (858 KiB) download before anyone scrolls to them. Adding loading="lazy" lets the first screen load first.

4 images are downloaded at several times the size a phone draws them, for example 社群素材_linkedin_po文.jpg at 1,200 px wide, shown at 351 px. Resized copies would save about 295 KiB.

By the Sustainable Web Design model, a visit to your homepage emits about 5.01 g of CO₂e: 600.9 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.

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

2 form fields have no label, so screen readers announce an empty box and autofill guesses.

There are 3 <h1> headlines (“ADATA(United States)”, “Inspire the AI Future” and “Inspire the AI Future”). One clear main headline is easier for people and search engines.

Your meta description is 216 characters; Google truncates after about 160, so the end of your pitch is cut.

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

No twitter:card tag. X falls back to Open Graph, which is set, so this is minor.

The homepage links to 37 pages on adata.com and 18 external pages.

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.

/us/language, /en/news/1308, /en/support/downloads, /us/news, /us/news/1342 and /us/news/1340 and 2 others have no meta description, so Google writes the search snippet from whatever text it finds.

/us/language, /en/news/1308, /en/support/downloads, /us/news/1342, /us/news/1340 and /us/news/1339 and 1 other have under 150 words in the HTML. Thin pages rarely rank; if the text loads with JavaScript, crawlers that don't run it see even less.

/us/consumer/category/computer-memory, /us/news, /us/news/1342, /us/news/1340, /us/news/1339 and /us/news/1334 took over 3 s to send their HTML from our server.

We fetched 15 pages linked from your homepage (of 23 found) and read each the way a search engine does.

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

13 images are displayed at the wrong aspect ratio, so they look stretched or squashed.

1 image is served at too low a resolution for sharp phone screens.

Large scripts ship without source maps.

No Strict-Transport-Security header, so browsers may still try plain http first on a return visit.

No Content-Security-Policy header, the main browser-side defence against injected scripts.

X-Content-Type-Options: nosniff is missing, so browsers may guess file types.

Opening https://adata.com goes through 2 redirects before the homepage loads.

2 links go through two or more redirects, for example https://www.adata.com/us/member/.

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.

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

adata.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.

Social proof on the homepage: 7 trust badges. 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.

The homepage has only about 230 words of visible text; thin pages give Google and first-time buyers little to go on.

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.

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, Google Tag Manager, LinkedIn Insight and Meta Pixel (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 1 cookie (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.