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30shine.com website review
Visit site (opens in a new tab)Reviewed 20 October 202651 issues · 96 checks
This review found 51 issues worth fixing on 30shine.com, 19 of them high impact, across 96 checks. The most urgent: use efficient cache lifetimes. Your full playbook turns these into prioritised fixes alongside reviews, competitors and channels.
- Homepage
- Phone render
- Links and pages
- Google PageSpeed
Google PageSpeed Insights (opens in a new tab), mobile
Site score
55FClosest competitors among reviewed websites
Compare side by sideShow as table
| Date | Real-visitor load time (LCP) |
|---|---|
| May 2, 2026 | 2.8 s |
| May 9, 2026 | 2.8 s |
| May 16, 2026 | 2.9 s |
| May 23, 2026 | 3.0 s |
| May 30, 2026 | 3.3 s |
| Jun 6, 2026 | 3.4 s |
| Jun 13, 2026 | 3.5 s |
| Jun 20, 2026 | 3.5 s |
| Jun 27, 2026 | 3.5 s |
| Jul 4, 2026 | 3.5 s |
| Jul 11, 2026 | 3.5 s |
| Jul 18, 2026 | 3.5 s |
| Jul 25, 2026 | 3.5 s |
| Aug 1, 2026 | 3.5 s |
| Aug 8, 2026 | 3.5 s |
| Aug 15, 2026 | 3.5 s |
| Aug 22, 2026 | 3.6 s |
| Aug 29, 2026 | 3.6 s |
| Sep 5, 2026 | 3.6 s |
| Sep 12, 2026 | 3.6 s |
| Sep 19, 2026 | 3.6 s |
| Sep 26, 2026 | 3.7 s |
| Oct 3, 2026 | 3.7 s |
| Oct 10, 2026 | 3.6 s |
| Oct 17, 2026 | 3.6 s |
Show as table
| Date | Real-visitor tap response (INP) |
|---|---|
| May 2, 2026 | 397 ms |
| May 9, 2026 | 393 ms |
| May 16, 2026 | 395 ms |
| May 23, 2026 | 396 ms |
| May 30, 2026 | 403 ms |
| Jun 6, 2026 | 407 ms |
| Jun 13, 2026 | 408 ms |
| Jun 20, 2026 | 410 ms |
| Jun 27, 2026 | 407 ms |
| Jul 4, 2026 | 407 ms |
| Jul 11, 2026 | 409 ms |
| Jul 18, 2026 | 397 ms |
| Jul 25, 2026 | 392 ms |
| Aug 1, 2026 | 390 ms |
| Aug 8, 2026 | 387 ms |
| Aug 15, 2026 | 391 ms |
| Aug 22, 2026 | 395 ms |
| Aug 29, 2026 | 398 ms |
| Sep 5, 2026 | 404 ms |
| Sep 12, 2026 | 404 ms |
| Sep 19, 2026 | 408 ms |
| Sep 26, 2026 | 404 ms |
| Oct 3, 2026 | 403 ms |
| Oct 10, 2026 | 401 ms |
| Oct 17, 2026 | 396 ms |
Chrome UX Report (opens in a new tab): real Chrome visitors over rolling 28-day periods.
One score from every part of this review. How it works
Speed
Use efficient cache lifetimes
16.1 s · 22.7 MB163 files are served with short cache lifetimes, so returning visitors download them again (22.7 MB).
Improve image delivery
4.2 s · 16.3 MB99 images could be 16.3 MB smaller with modern formats (WebP or AVIF) and sizes that fit a phone screen. Google estimates it would make the page about 4.2 s faster on a phone.
Reduce unused JavaScript
4.7 s · 952 KiBAbout 952 KiB of JavaScript is downloaded but never used on this page. Google estimates it would make the page about 4.7 s faster on a phone.
Mobile performance score: 32
32/100Your mobile performance score is 32 (desktop: 28). Under 50 is Google's “poor” band: many phone visitors leave before the page is usable.
Main-thread work: 4.4 s
A phone's processor spends 4.4 s on main-thread work while loading, 1.8 s of it running JavaScript. Above 2 s, taps and scrolls feel sluggish.
7 third-party services on the page
7 third-party services load with your homepage (Google Tag Manager, Facebook and TikTok and others), adding 893 KiB and 768 ms of main-thread time.
Font display
700 msWeb fonts hide text while they load. Setting font-display: swap shows text immediately (about 700 ms).
Render-blocking requests
550 ms2 files block the first paint until they finish downloading. Deferring or inlining them could save about 550 ms.
15 long tasks on the main thread
15 long tasks block the main thread while loading, the longest for 421 ms. During a long task the page ignores taps.
Google Tag Manager adds 303 ms
303 msGoogle Tag Manager costs a phone 303 ms of main-thread work and 318 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.
2,850 HTML elements
The page has 2,850 HTML elements. Above 1,500, rendering and every interaction get slower on phones.
Reduce unused CSS
290 ms · 101 KiBAbout 101 KiB of CSS is downloaded but never applied on this page. Google estimates it would make the page about 290 ms faster on a phone.
Legacy JavaScript
31 KiBPolyfills for old browsers add 31 KiB JavaScript that modern phones do not need.
Chained critical requests
Critical files load one after another instead of in parallel (3 chains). Preconnecting to key origins and preloading the hero image shortens the chain.
Forced reflow
Scripts make the browser recalculate the layout repeatedly while the page loads, which wastes processor time on phones.
Core Web Vitals
Fails Core Web Vitals for real visitors
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.
First Contentful Paint: 7.8 s
7.8 sThe first text or image appears after 7.8 s on a phone. Good is under 1.8 s.
Largest Contentful Paint: 30.9 s
30.9 sYour largest element takes 30.9 s to render on a phone. Google's threshold for “good” is 2.5 s. The largest element is the image.
Time to Interactive: 31.2 s
31.2 sThe page becomes fully interactive after 31.2 s. Good is under 3.8 s.
Speed Index: 11.6 s
11.6 sVisually, the page fills in at 11.6 s (Speed Index). Good is under 3.4 s.
Total Blocking Time: 1.2 s
1.2 sScripts block taps and scrolling for 1.2 s in total while the page loads. Good is under 200 ms.
Real-user LCP: 3.6 s
3.6 sReal visitors wait 3.6 s for the largest content to appear (75th percentile). Good is under 2.5 s.
Real-user INP: 405 ms
405 msReal visitors wait 405 ms for the page to respond to a tap (75th percentile). Good is under 200 ms.
Real-user CLS: 0.13
0.13For real visitors the layout shifts by 0.13 (75th percentile). Good is under 0.1.
Largest content (LCP) got 29% slower for real visitors
+29%Over the last 25 four-week periods to 2026-10-17, real Chrome visitors' largest content (lcp) went from 2.8 s to 3.6 s at the 75th percentile (Chrome UX Report (opens in a new tab) history).
Real-user FCP: 2.6 s
2.6 sReal visitors see the first content after 2.6 s (75th percentile). Good is under 1.8 s.
5 images without width and height
5 images have no width and height attributes, so the layout jumps as each one loads.
Tap response (INP) held steady for real visitors
+1%Over the last 25 four-week periods to 2026-10-17, real Chrome visitors' tap response (inp) went from 397 ms to 396 ms at the 75th percentile (Chrome UX Report (opens in a new tab) history).
2 checks passed
Real-user TTFB: 677 ms
677 msReal visitors wait 677 ms for your server to start answering (75th percentile). Good is under 800 ms.
Cumulative Layout Shift: 0.019
0.019The layout barely moves while loading (CLS 0.019, good is under 0.1).
Images and page weight
Page weight: 25.5 MB in 210 requests
25.5 MBYour homepage downloads 25.5 MB in 210 requests on a phone: images 22.0 MB (163), scripts 2.0 MB (17) and fonts 1.4 MB (3). Under 2 MB keeps phones on slow connections fast.
2 images in older formats
2 images (67 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.
2 images below the first screen load straight away
2 images further down the page (67 KiB) download before anyone scrolls to them. Adding loading="lazy" lets the first screen load first.
About 7.2 g of CO₂ per visit
7.23 gBy the Sustainable Web Design model, a visit to your homepage emits about 7.23 g of CO₂e: 868.1 kg a year at 10,000 visits a month. It scales with page weight, so every byte cut lowers it.
1 checks passed
Images are sized for phones
No image is downloaded at more than three times the size it is drawn on a phone.
Accessibility
3 tap targets too small
3 tap targets are too small or too close together to hit reliably with a finger.
Malformed lists
Some lists contain elements other than list items, which screen readers announce wrongly.
All page content should be contained by landmarks (42 elements)
All page content should be contained by landmarks: 42 elements on the page fail this check, rated moderate by axe-core.
85 form fields without a label
85 form fields have no label, so screen readers announce an empty box and autofill guesses.
No main landmark
The page has no <main> landmark, so screen-reader users cannot jump straight to the content.
Zoom is disabled
The viewport tag blocks pinch-zoom, which low-vision visitors rely on.
Page should contain a level-one heading (1 element)
Page should contain a level-one heading: 1 element on the page fails this check, rated moderate by axe-core.
9 links without text
9 visible links have no text or label, so screen readers cannot say where they go.
Headings should not be empty (1 element)
Headings should not be empty: 1 element on the page fails this check, rated minor by axe-core.
1 checks passed
34 automated accessibility rules passed
axe-core 4.13.0, the open-source engine behind most accessibility testing tools, ran 42 WCAG 2.2 A/AA and best-practice rules on the phone render: 34 passed and 8 failed. 1 more need a person to judge. Automated rules catch about a third of accessibility problems; the rest need manual testing.
SEO
No H1 headline
There is no <h1>, so neither visitors nor Google get a clear main headline.
No structured data
No structured data (JSON-LD), so Google can't show rich results such as your logo, ratings or FAQs.
No canonical URL
No canonical URL, so duplicate versions of the homepage (with or without www, with tracking parameters) can split ranking signals.
Meta description is long (191 characters)
Your meta description is 191 characters; Google truncates after about 160, so the end of your pitch is cut.
No social preview image
No Open Graph image (also missing: og:title, og:description), so links shared on LinkedIn, Slack or Facebook show no preview picture.
Only 0 internal links
The homepage links to only 0 pages on your own site, so visitors and crawlers find few routes into the rest of it.
1 link crawlers can't follow
1 link has no real href, so search engines can't follow it.
No X (Twitter) card tag
No twitter:card tag. X falls back to Open Graph, which is incomplete here.
3 checks passed
Title: 41 characters
Your title is a healthy 41 characters: “30Shine - Cắt tóc - Gội đầu - Lấy ráy tai”.
robots.txt in place
robots.txt is in place and points crawlers to your sitemap.
XML sitemap found
Your XML sitemap is reachable at https://30shine.com/sitemap.xml.
AI search readiness
Most text only appears after JavaScript runs
0%A phone browser shows 1,239 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.
No Organization structured data
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.
No llms.txt
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.
1 checks passed
AI answer engines may read the site
Your robots.txt lets the crawlers behind ChatGPT search, Claude and Perplexity read the site and cite it in answers.
Best practices
5 distorted images
5 images are displayed at the wrong aspect ratio, so they look stretched or squashed.
Missing source maps
Large scripts ship without source maps.
3 checks passed
No console errors
No JavaScript errors were logged while the page loaded on a phone.
Tap targets are thumb-sized
30 of 35 tappable elements near the top are at least 24 px.
Mobile viewport set
The page declares a mobile viewport.
Security and trust
No HSTS header
No Strict-Transport-Security header, so browsers may still try plain http first on a return visit.
No Content-Security-Policy
No Content-Security-Policy header, the main browser-side defence against injected scripts.
No clickjacking protection
Neither X-Frame-Options nor a CSP frame-ancestors policy is set, so any site can embed yours in a frame.
No X-Content-Type-Options
X-Content-Type-Options: nosniff is missing, so browsers may guess file types.
No Referrer-Policy
No Referrer-Policy header, so full URLs can leak to the sites you link to.
No Permissions-Policy
No Permissions-Policy header to switch off camera, microphone and location for embedded content.
No security.txt
There is no /.well-known/security.txt telling researchers how to report a security problem to you.
4 checks passed
Served over HTTPS
The homepage is served over HTTPS (30shine.com).
Valid certificate (75 days left)
The certificate from Google Trust Services · WE1 verifies for 30shine.com and is valid for another 75 days.
http:// redirects to https
http://30shine.com redirects to the secure version.
HTTP/2
The server speaks HTTP/2, so browsers load many files over one connection.
Domain and trust
No CAA record
30shine.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.
DNSSEC is off
30shine.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.
2 checks passed
Domain is 11 years old
11 years30shine.com was registered in Dec 2014 through Nhan Hoa Software Company Ltd.. An established domain carries more trust with email providers and search engines.
Registered until Dec 2030
30shine.com is registered until Dec 2030.
Content and conversion
No calls to action
We found no call-to-action buttons or links (such as “Book a demo” or “Get a quote”) anywhere on the homepage.
No social proof
No testimonials, customer logos, ratings or customer counts on the homepage: nothing tells a new visitor that others already trust you.
No direct contact details
No phone number or email link on the homepage, so ready-to-buy visitors have one fewer way to reach you.
No form on the homepage
There is no form on the homepage, so every lead has to click through to another page first.
No risk reducer
No guarantee or risk reducer (money-back, free trial, no credit card) is mentioned, which is often what tips a hesitant visitor.
About 1,239 words of copy
The homepage carries about 1,239 words of visible text.
2 checks passed
Clear next step on the first screen
On a phone, the first screen shows a clear next step: “30Shine Shop”.
Analytics in place
Analytics detected: Google Tag Manager.
Email authentication
No DMARC policy
30shine.com has no DMARC record, so nothing tells receivers what to do with mail that fails SPF or DKIM. Gmail and Yahoo require DMARC from bulk senders.
No DKIM key on the usual selectors
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 score: 40/100
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.
1 checks passed
SPF with a strict ending (-all)
An SPF record lists your sending servers and tells receivers to reject anything else: “v=spf1 +include:spf.onlarksuite.com -all”.
Privacy and tracking
5 trackers load before any consent
5Before a visitor clicks anything, the page loads Google Ads, Google Analytics, Google Tag Manager, Meta Pixel and TikTok 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.
5 cookies set on arrival
5Opening the homepage sets 5 cookies (measured from a US location before any click).
No consent tool detected
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.
11 other companies contacted
Loading the homepage contacts 11 hosts run by other companies (fonts, scripts, analytics, ads), each of which sees the visitor's IP address.
Upkeep, stack and company
- The footer still says © 2015.
Stack
- Analytics
- Google Tag Manager
Upkeep, stack, hiring and company data from programmable.info
Go beyond the website
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