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https://timhopam.com

Performance

· 27 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
94
GRADE
A
FIX
1
REVIEW
4
PASS
18
INFO
4

Performance-focused optimization plan with CWV assessment, top offenders, and time estimates

Mobile Desktop
0
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
95
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
100
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

1.83 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

0 ms

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

0 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.000

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

3.48 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

0 ms

Page Load Progression

375 ms
750 ms
1.1 s
1.5 s
1.9 s
2.2 s
2.6 s
3.0 s
Checks
27
18 PASS 4 REVIEW 1 FIX
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.
Info::
ETag present — enables conditional (304) responses

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

C
JS Execution Cost
Action
1470ms total JS execution
REVIEW
1470ms total JS execution
Warning::
https://timhopam.com/: 746ms CPU time
Warning::
Unattributable: 320ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-Z78Q...: 194ms CPU time
Info::
data:text/javascript;base64,d2luZG93LmRhdGFMYXllcj...: 121ms CPU time
Info::
https://timhopam.com/wp-includes/js/jquery/jquery....: 90ms CPU time
Info::
Third-party scripts: 194ms (13% of total)

Main Thread Breakdown

Script Evaluation 28% Style & Layout 27% Other 25% Rendering 7% Parse HTML & CSS 6% Script Parsing & Compilation 6%
ScriptTotalScriptingParse/CompileParty
https://timhopam.com/746ms10ms1ms1st
Unattributable320ms95ms0ms1st
https://www.googletagmanager.com/gtag/js?id=G-Z78QH5DY1H194ms111ms72ms3rd
data:text/javascript;base64,d2luZG93LmRhdGFMYXllcj13aW5kb3cuZGF0YUxheWVyfHxbXTtmdW5jdGlvbiBndGFnKCl7ZGF0YUxheWVyLnB1c2goYXJndW1lbnRzKX0KZ3RhZygnanMnLG5ldyBEYXRlKCkpO2d0YWcoJ2NvbmZpZycsJ0ctWjc4UUg1RFkxSCcp121ms112ms0ms1st
https://timhopam.com/wp-includes/js/jquery/jquery.min.js90ms68ms6ms1st
B
Main HTML Cache-Control
No Cache-Control header on main HTML response
REVIEW
No Cache-Control header on main HTML response
Info::
Main HTML response has no Cache-Control header
Without an explicit Cache-Control, browsers fall back to heuristic caching (~10% of Last-Modified age). Set `Cache-Control: no-cache` or `max-age=300` for HTML to control freshness explicitly -- prevents stale auth state and SPA shell drift.
B
Server-Timing Observability
No Server-Timing header found
REVIEW
No Server-Timing header found
Info::
No Server-Timing header found
Server-Timing exposes backend timing breakdowns to browser DevTools (e.g., `db: 45ms; render: 120ms; cache: 2ms`). Useful for diagnosing slow pages without backend log access. Most modern frameworks (Next.js, Cloudflare Workers, Fastly) emit it automatically; absence on a managed platform usually means telemetry headers are stripped at the edge.
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

A+
Page Weight Budget
498 KB transferred, 29 requests
PASS
498 KB transferred, 29 requests
Info::
Page weighs 1.2 MB (498 KB transferred)
Info::
29 HTTP requests
Info::
Estimated 0.10 g CO2 per page load
498 KB / 2.4 MB budget
498 KB transferred
29 requests
0.10 g CO2 per page load
JavaScript 217.5 KiB 44%
Other 101.9 KiB 20%
Fonts 75.5 KiB 15%
HTML 47.0 KiB 9%
CSS 28.5 KiB 6%
Images 27.3 KiB 5%
Other 546 B 0%
0 2.4 MB 4.9 MB
Under budget
A
Third-Party Impact
40% third-party, 0 ms blocking
PASS
40% third-party, 0 ms blocking
Info::
Third-party code accounts for 40% of page weight (197.8 KiB of 498.3 KiB)
Info::
Third-party blocking time is low (0 ms)
60%
40%
First-party Third-party
A+
Text Compression
All text resources are compressed
PASS
All text resources are compressed
Info::
All text resources are compressed
All text resources are properly compressed.
A
Image Optimization
4 images, 0 KB saveable
PASS
4 images, 0 KB saveable
Info::
All images are well-optimized
4 images 27 KB
0 oversized -0 KB
2 legacy format
0 missing dimensions CLS risk
A+
Font Loading
1 fonts (76 KB)
PASS
1 fonts (76 KB)
Info::
1 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

1

76 KB total

Render-blocking

0

of 1

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 500 ms 1.0 s 1.5 s 2.0 s 2.5 s FCP 1.8 shttps://timhopam.com/wp-content/themes/mts_schema/fonts/fontawesome-webfont.woff2fontawesome-webfont.woff2 https://timhopam.com/wp-content/themes/mts_schema/fonts/fontawesome-webfont.woff2 — 75.5 KiB — 685 ms — font-display: swap
fontawesome-webfont.woff2 woff2 swap
Size 76 KB
Load time 685 ms
Start 1.8 s
Risk FOUT — text flashes from fallback to web font
Optimization checklist
  • Preload critical fonts (priority=high)
  • Use woff2 format for all fonts
  • Set font-display to swap, optional, or fallback
  • Subset large fonts (≤100 KB each)
A+
JS Bundles
17 scripts, 0 KB unused
PASS
17 scripts, 0 KB unused
0 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-Z78QH5DY1H174 KB—✓3rd
data:text/javascript;base64,d2luZG93LmRhdGFMYXllcj13aW5kb3cuZGF0YUxheWVyfHxbXTtmdW5jdGlvbiBndGFnKCl…0 KB—✓3rd
data:text/javascript;base64,ZG9jdW1lbnQuZG9jdW1lbnRFbGVtZW50LmNsYXNzTmFtZT1kb2N1bWVudC5kb2N1bWVudEV…0 KB—✓3rd
https://timhopam.com/wp-includes/js/jquery/jquery.min.js31 KB—✓1st
https://timhopam.com/wp-content/litespeed/js/46620fa7b08f1ca11a93c18aa35b42f4.js?ver=b42f45 KB—✓1st
https://timhopam.com/wp-content/litespeed/js/9f4d066270bab8937dd1b4550765c840.js?ver=5c8405 KB—✓1st
https://timhopam.com/wp-content/litespeed/js/0c8d2e669ec55616efe078a6396df5ae.js?ver=df5ae2 KB—✓1st
data:text/javascript;base64,KGZ1bmN0aW9uKCl7InVzZSBzdHJpY3QiO2NvbnN0IHdyYXA9ZG9jdW1lbnQuZ2V0RWxlbWV…0 KB—✓3rd
data:text/javascript;base64,KGZ1bmN0aW9uKCl7Y29uc3QgYm94PWRvY3VtZW50LnF1ZXJ5U2VsZWN0b3IoJy5ob3BhbS1…0 KB—✓3rd
data:text/javascript;base64,ZG9jdW1lbnQuYWRkRXZlbnRMaXN0ZW5lcigiRE9NQ29udGVudExvYWRlZCIsZnVuY3Rpb24…0 KB—✓3rd
A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
No render-blocking resources detected
A+
Resource Hints
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
A+
HTTP/3 (QUIC)
HTTP/3 advertised via Alt-Svc
PASS
HTTP/3 advertised via Alt-Svc
Info::
HTTP/3 (QUIC) is supported
First-load mobile users on cellular networks see meaningful latency improvements with HTTP/3. The QUIC transport collapses TLS + TCP handshakes into one and recovers faster from packet loss.
A+
Document Compression
Document response uses brotli
PASS
Document response uses brotli
Info::
Main HTML response uses brotli (Content-Encoding: br)
Brotli is the best text-compression algorithm for general use, ~20% smaller than gzip on average (40% on smaller files). Modern browsers all support it.
A+
LCP Image Preload
LCP preload audit not available
PASS
LCP preload audit not available
Info::
LCP image preload audit not available for this scan
A+
Server Response Intelligence
2 server-response signal(s) detected
PASS
2 server-response signal(s) detected
Info::
`Vary` header declared: Accept-Encoding
The page declares a `Vary` header, telling downstream caches which request headers the response varies on. Critical for content-negotiated responses (compression, language, cookies, device class).
Info::
`ETag` present -- conditional GET supported
A+
Page Weight Inventory
29 resources · 498 KB · 0 KB savings available
PASS
29 resources · 498 KB · 0 KB savings available
Info::
Within 1MB page-weight target
Got: 498 KB
Info::
17 third-party resources (40% of weight)
29 resources · 498.3 KiB · 17 third-party Within 1MB page-weight target
JavaScript 44% · 217.5 KiB
Image 26% · 129.2 KiB
Font 15% · 75.5 KiB
Document 9% · 47.0 KiB
CSS 6% · 28.5 KiB
Other 0% · 546 B
A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
A
JavaScript Blocking
1 JS blocking issue(s) detected
PASS
1 JS blocking issue(s) detected
Warning::
1 render-blocking <script src> tag(s) without async/defer
Each `<script src=...>` without `async`, `defer`, or `type="module"` blocks HTML parsing while the browser fetches and executes it. The block lasts the entire round-trip + execution time -- on slow networks this translates directly into LCP delay. Add `defer` (executes after parse, in source order) for scripts that interact with the DOM, or `async` (executes whenever ready) for analytics / independent scripts. Module scripts (`type="module"`) are deferred by default.
A
CSS Performance Depth
1 CSS depth issue(s) detected
PASS
1 CSS depth issue(s) detected
Warning::
4 render-blocking stylesheet(s) -- recommended: <=3
Each `<link rel="stylesheet">` without a non-blocking `media` attribute holds up the first paint. Browsers download all of them before painting any content. Consolidate into 1-2 critical-path stylesheets; defer non-critical CSS via `<link rel="stylesheet" media="print" onload="this.media='all'">` or via the loadCSS pattern; inline above-the-fold CSS in `<style>` to short-circuit the request entirely.
Asset Compression
No text asset hosts to measure
INFO
No text asset hosts to measure
Info::
No third-party or subdomain host served enough text assets to measure
Asset compression is measured per host, from one HEAD request against a sampled resource. Pages that serve all their JS and CSS from the document's own origin are covered by the document compression check instead.
Network Waterfall
29 requests over 3021ms
INFO
0 ms 1.0 s 2.0 s 3.0 s FCP 1.8 shttps://timhopam.com// https://timhopam.com/ — 200 — 47.0 KiB — 1.4 s — h2https://www.googletagmanager.com/gtag/js?id=G-Z78QH5DY1Hwww.googletagmanager.com/gtag/js?id... https://www.googletagmanager.com/gtag/js?id=G-Z78QH5DY1H — 200 — 174.4 KiB — 168 ms — h2data:text/javascript;base64,d2luZG93LmRhdGFMYXllcj13aW5kb3cuZGF0YUxheWVyfHxbXTtmdW5jdGlvbiBndGFnKCl…data:text/javascript;base64,d2luZG9... data:text/javascript;base64,d2luZG93LmRhdGFMYXllcj13aW5kb3cuZGF0YUxheWVyfHxbXTtmdW5jdGlvbiBndGFnKCl… — 200 — 0 B — 0 ms — datadata:text/javascript;base64,ZG9jdW1lbnQuZG9jdW1lbnRFbGVtZW50LmNsYXNzTmFtZT1kb2N1bWVudC5kb2N1bWVudEV…data:text/javascript;base64,ZG9jdW1... data:text/javascript;base64,ZG9jdW1lbnQuZG9jdW1lbnRFbGVtZW50LmNsYXNzTmFtZT1kb2N1bWVudC5kb2N1bWVudEV… — 200 — 0 B — 0 ms — datahttps://timhopam.com/wp-content/litespeed/css/321e0b2b5d557413598c84581ddf0ea7.css?ver=f0ea7/wp-content/litespeed/css/321e0b2b5... https://timhopam.com/wp-content/litespeed/css/321e0b2b5d557413598c84581ddf0ea7.css?ver=f0ea7 — 200 — 6.4 KiB — 565 ms — h2https://timhopam.com/wp-content/litespeed/css/b8df096240ea6bb336a15fe265b38a08.css?ver=38a08/wp-content/litespeed/css/b8df09624... https://timhopam.com/wp-content/litespeed/css/b8df096240ea6bb336a15fe265b38a08.css?ver=38a08 — 200 — 12.4 KiB — 564 ms — h2https://timhopam.com/wp-content/litespeed/css/e0fdec2c249ef4ddfb9cb25481823b39.css?ver=23b39/wp-content/litespeed/css/e0fdec2c2... https://timhopam.com/wp-content/litespeed/css/e0fdec2c249ef4ddfb9cb25481823b39.css?ver=23b39 — 200 — 2.9 KiB — 297 ms — h2https://timhopam.com/wp-content/litespeed/css/57e3c0c08d5cf72da30a8fb5951f36c9.css?ver=f36c9/wp-content/litespeed/css/57e3c0c08... https://timhopam.com/wp-content/litespeed/css/57e3c0c08d5cf72da30a8fb5951f36c9.css?ver=f36c9 — 200 — 6.9 KiB — 565 ms — h2https://timhopam.com/wp-includes/js/jquery/jquery.min.js/wp-includes/js/jquery/jquery.min.j... https://timhopam.com/wp-includes/js/jquery/jquery.min.js — 200 — 30.7 KiB — 292 ms — h2https://timhopam.com/wp-content/litespeed/js/46620fa7b08f1ca11a93c18aa35b42f4.js?ver=b42f4/wp-content/litespeed/js/46620fa7b0... https://timhopam.com/wp-content/litespeed/js/46620fa7b08f1ca11a93c18aa35b42f4.js?ver=b42f4 — 200 — 5.1 KiB — 294 ms — h3https://timhopam.com/wp-content/uploads/2026/09/guitar.png/wp-content/uploads/2026/09/guitar.... https://timhopam.com/wp-content/uploads/2026/09/guitar.png — 200 — 4.4 KiB — 290 ms — h3https://timhopam.com/wp-content/litespeed/js/9f4d066270bab8937dd1b4550765c840.js?ver=5c840/wp-content/litespeed/js/9f4d066270... https://timhopam.com/wp-content/litespeed/js/9f4d066270bab8937dd1b4550765c840.js?ver=5c840 — 200 — 5.3 KiB — 308 ms — h3https://timhopam.com/wp-content/litespeed/js/0c8d2e669ec55616efe078a6396df5ae.js?ver=df5ae/wp-content/litespeed/js/0c8d2e669e... https://timhopam.com/wp-content/litespeed/js/0c8d2e669ec55616efe078a6396df5ae.js?ver=df5ae — 200 — 2.0 KiB — 297 ms — h3data:text/javascript;base64,KGZ1bmN0aW9uKCl7InVzZSBzdHJpY3QiO2NvbnN0IHdyYXA9ZG9jdW1lbnQuZ2V0RWxlbWV…data:text/javascript;base64,KGZ1bmN... data:text/javascript;base64,KGZ1bmN0aW9uKCl7InVzZSBzdHJpY3QiO2NvbnN0IHdyYXA9ZG9jdW1lbnQuZ2V0RWxlbWV… — 200 — 0 B — 0 ms — datadata:text/javascript;base64,KGZ1bmN0aW9uKCl7Y29uc3QgYm94PWRvY3VtZW50LnF1ZXJ5U2VsZWN0b3IoJy5ob3BhbS1…data:text/javascript;base64,KGZ1bmN... data:text/javascript;base64,KGZ1bmN0aW9uKCl7Y29uc3QgYm94PWRvY3VtZW50LnF1ZXJ5U2VsZWN0b3IoJy5ob3BhbS1… — 200 — 0 B — 0 ms — datadata:text/javascript;base64,ZG9jdW1lbnQuYWRkRXZlbnRMaXN0ZW5lcigiRE9NQ29udGVudExvYWRlZCIsZnVuY3Rpb24…data:text/javascript;base64,ZG9jdW1... data:text/javascript;base64,ZG9jdW1lbnQuYWRkRXZlbnRMaXN0ZW5lcigiRE9NQ29udGVudExvYWRlZCIsZnVuY3Rpb24… — 200 — 0 B — 0 ms — datadata:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7data:image/gif;base64,R0lGODlhAQABA... data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7 — 200 — 42 B — 27 ms — datahttps://i.ytimg.com/vi_webp/VFGjdBSd7mc/mqdefault.webpi.ytimg.com/vi_webp/VFGjdBSd7mc/mqd... https://i.ytimg.com/vi_webp/VFGjdBSd7mc/mqdefault.webp — 200 — 12.4 KiB — 131 ms — h2https://i.ytimg.com/vi_webp/t8YztYARUsc/mqdefault.webpi.ytimg.com/vi_webp/t8YztYARUsc/mqd... https://i.ytimg.com/vi_webp/t8YztYARUsc/mqdefault.webp — 200 — 10.5 KiB — 117 ms — h2https://timhopam.com/wp-content/themes/mts_schema/fonts/fontawesome-webfont.woff2/wp-content/themes/mts_schema/fonts... https://timhopam.com/wp-content/themes/mts_schema/fonts/fontawesome-webfont.woff2 — 200 — 75.5 KiB — 685 ms — h3data:text/javascript;base64,ZG9jdW1lbnQuYWRkRXZlbnRMaXN0ZW5lcigiRE9NQ29udGVudExvYWRlZCIsZnVuY3Rpb24…data:text/javascript;base64,ZG9jdW1... data:text/javascript;base64,ZG9jdW1lbnQuYWRkRXZlbnRMaXN0ZW5lcigiRE9NQ29udGVudExvYWRlZCIsZnVuY3Rpb24… — 200 — 0 B — 0 ms — 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https://region1.google-analytics.com/g/collect?v=2&tid=G-Z78QH5DY1H&gtm=45je69u2v9234723427za200zd9234723427xf1&_p=1791126288175&gcd=13l3l3l2l1l1&npa=1&dma_cps=a&dma=1&cid=810808502.1791126288&frm=0&ngs=1&pscdl=noapi&rcb=6&sr=412x823&uaa=&uab=64&uafvl=Not%2520A(Brand%3B99.0.0.0%7CChromium%3B154.0.8037.92&uam=moto%20g%20power%20(2022)&uamb=1&uap=Android&uapv=11.0&uaw=0&ul=en-us&_s=1&tag_exp=115616986~115938465~115938468~118897920~118897930~120213116~120385422~120469145~120469153~121280970&sid=1791126288&sct=1&seg=0&dl=https%3A%2F%2Ftimhopam.com%2F&dt=Danh%20s%C3%A1ch%20h%E1%BB%A3p%20%C3%A2m%20guitar%20c%C3%A1c%20b%C3%A0i%20h%C3%A1t%20nh%E1%BA%A1c%20Vi%E1%BB%87t%20%C4%91a%20d%E1%BA%A1ng&en=page_view&_fv=1&_nsi=1&_ss=1&_ee=1&tfd=1970 — 204 — 546 B — 111 ms — h2https://timhopam.com/wp-content/uploads/2025/10/ChatGPT-Image-11_52_46-16-thg-10-2025.png/wp-content/uploads/2025/10/ChatGPT... https://timhopam.com/wp-content/uploads/2025/10/ChatGPT-Image-11_52_46-16-thg-10-2025.png — 200 — 101.9 KiB — 472 ms — h3
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
13% of JavaScript execution is third-party
First-party Third-party 194ms · 174KB · ₫27747/mo
Google Tag Manager
Tag Manager
Costly
Execution 194ms
Transfer 174 KB
Monthly Cost ₫27747/mo

These scripts may cost more than they're worth

  • Google Tag Manager adds 194ms and costs ~₫27747/month

Google Tag Manager takes 194ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.

Why this matters

This script has high main-thread execution time — optimize hot paths or defer.

Source: web.dev

How third-party costs are calculated

Image Optimization
49 images, 1177 KB total, 1134 KB wasted
INFO

Image Optimization Audit

Total Images

49

Total Size

1177 KB

Oversized

29

Wasted

1134 KB

1 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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