Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
C
Image Optimization
Action
53 images, 0 KB saveable
REVIEW
53 images, 0 KB saveable
Warning::
!
https://ricksmainroofing.com/wp-content/uploads/el... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://ricksmainroofing.com/wp-content/uploads/el... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
!
https://ricksmainroofing.com/wp-content/uploads/el... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
53images1.7 MB
0oversized-0 KB
19legacy format
3missing dimensionsCLS risk
Set explicit width and height to prevent CLS.
Why this matters
Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.
Source: web.dev / Core Web Vitals
Set explicit width and height to prevent CLS.
Why this matters
Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.
Source: web.dev / Core Web Vitals
Set explicit width and height to prevent CLS.
Why this matters
Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.
Source: web.dev / Core Web Vitals
C
Document Compression
Action
Document response served uncompressed
REVIEW
Document response served uncompressed
Info::
i
Main HTML response has no Content-Encoding (uncompressed)
The main HTML document is served without compression. The Text Compression section above lists the broader picture; for the main response specifically, even gzip would shave ~70-80% off most text payloads.
B
Main HTML Cache-Control
No Cache-Control header on main HTML response
REVIEW
No Cache-Control header on main HTML response
Info::
i
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
JavaScript Blocking
2 JS blocking issue(s) detected
REVIEW
2 JS blocking issue(s) detected
Warning::
!
3 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.
Warning::
!
Total JS execution time is 16.3 s -- over the 3.5s budget
Total JavaScript execution (parse + compile + run) across all scripts exceeds 3.5 seconds. On low-end devices that becomes 7-15+ seconds and shows up directly in TBT and INP. Reduce by: tree-shaking unused dependencies, code-splitting (dynamic `import()`), removing or deferring third-party tracking, and replacing heavy frameworks where they're not needed.
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+
Font Loading
11 fonts (584 KB)
PASS
11 fonts (584 KB)
Info::
i
11 font(s) use font-display: swap (FOUT risk but functional)
Web fonts
11
584 KB total
Render-blocking
0
of 11
Dominant font-display
swap
Most common across fonts
Font loading timeline
TransferFOIT (block)FOUT (swap)
lato-s6uyw4bmutphjx4wxg...woff2swap
Size24 KB
Load time23 ms
Start2.0 s
RiskFOUT — text flashes from fallback to web font
elementskit.woffwoffswap
Size454 KB
Load time39 ms
Start2.0 s
RiskFOUT — text flashes from fallback to web font
Convert to woff2 for ~30% smaller file size
Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
teko-lyjndg7kme0gfan9pq...woff2swap
Size16 KB
Load time17 ms
Start2.2 s
RiskFOUT — text flashes from fallback to web font
lato-s6u9w4bmutphh6uvsw...woff2swap
Size23 KB
Load time31 ms
Start2.2 s
RiskFOUT — text flashes from fallback to web font
teko-lyjndg7kme0gfan9pq...woff2swap
Size0 KB
Load time0 ms
Start4.1 s
RiskFOUT — text flashes from fallback to web font
lato-s6uyw4bmutphjx4wxg...woff2swap
Size0 KB
Load time0 ms
Start4.1 s
RiskFOUT — text flashes from fallback to web font
lato-s6u9w4bmutphh6uvsw...woff2swap
Size0 KB
Load time0 ms
Start4.1 s
RiskFOUT — text flashes from fallback to web font
elementskit.woffwoffswap
Size0 KB
Load time0 ms
Start4.1 s
RiskFOUT — text flashes from fallback to web font
Convert to woff2 for ~30% smaller file size
KFO7CnqEu92Fr1ME7kSn66a...woff2swap
Size34 KB
Load time94 ms
Start6.7 s
RiskFOUT — text flashes from fallback to web font
KFO7CnqEu92Fr1ME7kSn66a...woff2swap
Size0 KB
Load time116 ms
Start6.7 s
RiskFOUT — text flashes from fallback to web font
KFO7CnqEu92Fr1ME7kSn66a...woff2swap
Size34 KB
Load time18 ms
Start6.8 s
RiskFOUT — 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)
Fixing the unchecked items could save ~364 KB and ~728 ms
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
1 hints, 0 missing preconnects
PASS
1 hints, 0 missing preconnects
Info::
✓
Page uses 1 resource hint(s)
Current Resource Hints
preconnect—
preload—
dns-prefetch
1
prefetch—
1 resource hints configured
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
Asset Compression
1 of 1 asset host still on gzip
PASS
1 of 1 asset host still on gzip
Info::
i
cdn.trustindex.io serves assets with gzip; brotli would be ~20% smaller (assets: 40)
Every current browser accepts brotli. On a CDN this is a per-pull-zone toggle (Cloudflare, Fastly, CloudFront, CDN77, Bunny all expose it); on an origin it needs the brotli module (nginx-brotli, Apache mod_brotli). The saving lands on the assets this host serves, not on the HTML document -- the document's own encoding is reported separately.
Got: cdn.trustindex.io (image/svg+xml)
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-Timing Observability
2 Server-Timing entries advertised
PASS
2 Server-Timing entries advertised
Info::
✓
Server-Timing header advertises 2 timing entries
A+
Server Response Intelligence
1 server-response signal(s) detected
PASS
1 server-response signal(s) detected
Info::
i
No `ETag` or `Last-Modified` -- conditional GET not supported
Without either header, browsers can't issue conditional GETs and refresh always re-downloads the full response body even when nothing changed. Add `ETag: "<hash>"` (or `Last-Modified: <date>`) on cacheable responses; the server returns 304 Not Modified when the client's cached copy is still valid, saving bandwidth.
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+
CSS Performance Depth
No CSS performance depth issues detected
PASS
No CSS performance depth issues detected
Info::
✓
No CSS performance depth issues detected
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
Network Waterfall
164 requests over 9159ms
INFO
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
92%of JavaScript execution is third-party
First-party Third-party15045ms · 845KB · $260/mo
Script
Category
Execution
Transfer
Unused
Monthly Cost
Verdict
ricksmainroofing.com
ricksmainroofing.com
Other
5269ms
44 KB
—
$91/mo
Costly
www.gstatic.com
www.gstatic.com
Other
2393ms
0 KB
52%
$41/mo
Costly
ricksmainroofing.com
ricksmainroofing.com
Other
1997ms
32 KB
—
$34/mo
Costly
ricksmainroofing.com
ricksmainroofing.com
Other
1291ms
0 KB
—
$22/mo
Costly
Google Tag Manager
www.googletagmanager.com
Tag Manager
978ms
194 KB
31%
$17/mo
Costly
Hotjar
script.hotjar.com
Session Replay
851ms
57 KB
46%
$15/mo
Costly
ricksmainroofing.com
ricksmainroofing.com
Other
383ms
137 KB
50%
$7/mo
Costly
static.cloudflareinsights.com
static.cloudflareinsights.com
Other
278ms
0 KB
—
$5/mo
Costly
Google Tag Manager
www.googletagmanager.com
Tag Manager
270ms
131 KB
50%
$5/mo
Costly
ricksmainroofing.com
ricksmainroofing.com
Other
267ms
2 KB
—
$5/mo
Costly
ricksmainroofing.com
ricksmainroofing.com
Other
160ms
4 KB
—
$3/mo
Optional
ricksmainroofing.com
ricksmainroofing.com
Other
147ms
6 KB
—
$3/mo
Optional
cdn.trustindex.io
cdn.trustindex.io
Other
147ms
25 KB
—
$3/mo
Optional
Google Tag Manager
www.googletagmanager.com
Tag Manager
144ms
194 KB
66%
$2/mo
Optional
ricksmainroofing.com
ricksmainroofing.com
Other
137ms
0 KB
—
$2/mo
Optional
ricksmainroofing.com
ricksmainroofing.com
Other
78ms
2 KB
—
$1/mo
Optional
ricksmainroofing.com
ricksmainroofing.com
Other
72ms
2 KB
—
$1/mo
Optional
www.youtube.com
www.youtube.com
Other
69ms
9 KB
—
$1/mo
Optional
ricksmainroofing.com
ricksmainroofing.com
Other
61ms
3 KB
—
$1/mo
Optional
ricksmainroofing.com
ricksmainroofing.com
Other
52ms
2 KB
—
$1/mo
Optional
ricksmainroofing.com
Other
Costly
Execution5269ms
Transfer44 KB
Monthly Cost$91/mo
www.gstatic.com
Other
Costly
Execution2393ms
Transfer0 KB
Unused52%
Monthly Cost$41/mo
ricksmainroofing.com
Other
Costly
Execution1997ms
Transfer32 KB
Monthly Cost$34/mo
ricksmainroofing.com
Other
Costly
Execution1291ms
Transfer0 KB
Monthly Cost$22/mo
Google Tag Manager
Tag Manager
Costly
Execution978ms
Transfer194 KB
Unused31%
Monthly Cost$17/mo
Hotjar
Session Replay
Costly
Execution851ms
Transfer57 KB
Unused46%
Monthly Cost$15/mo
ricksmainroofing.com
Other
Costly
Execution383ms
Transfer137 KB
Unused50%
Monthly Cost$7/mo
static.cloudflareinsights.com
Other
Costly
Execution278ms
Transfer0 KB
Monthly Cost$5/mo
Google Tag Manager
Tag Manager
Costly
Execution270ms
Transfer131 KB
Unused50%
Monthly Cost$5/mo
ricksmainroofing.com
Other
Costly
Execution267ms
Transfer2 KB
Monthly Cost$5/mo
ricksmainroofing.com
Other
Optional
Execution160ms
Transfer4 KB
Monthly Cost$3/mo
ricksmainroofing.com
Other
Optional
Execution147ms
Transfer6 KB
Monthly Cost$3/mo
cdn.trustindex.io
Other
Optional
Execution147ms
Transfer25 KB
Monthly Cost$3/mo
Google Tag Manager
Tag Manager
Optional
Execution144ms
Transfer194 KB
Unused66%
Monthly Cost$2/mo
ricksmainroofing.com
Other
Optional
Execution137ms
Transfer0 KB
Monthly Cost$2/mo
ricksmainroofing.com
Other
Optional
Execution78ms
Transfer2 KB
Monthly Cost$1/mo
ricksmainroofing.com
Other
Optional
Execution72ms
Transfer2 KB
Monthly Cost$1/mo
www.youtube.com
Other
Optional
Execution69ms
Transfer9 KB
Monthly Cost$1/mo
ricksmainroofing.com
Other
Optional
Execution61ms
Transfer3 KB
Monthly Cost$1/mo
ricksmainroofing.com
Other
Optional
Execution52ms
Transfer2 KB
Monthly Cost$1/mo
These scripts may cost more than they're worth
ricksmainroofing.com adds 5269ms and costs ~$91/month
www.gstatic.com adds 2393ms and costs ~$41/month
ricksmainroofing.com adds 1997ms and costs ~$34/month
ricksmainroofing.com adds 1291ms and costs ~$22/month
Google Tag Manager adds 978ms and costs ~$17/month
Hotjar adds 851ms and costs ~$15/month
ricksmainroofing.com adds 383ms and costs ~$7/month
static.cloudflareinsights.com adds 278ms and costs ~$5/month
Google Tag Manager adds 270ms and costs ~$5/month
ricksmainroofing.com adds 267ms and costs ~$5/month
92% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.
Why this matters
When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.
Learn more ▾▴
Every millisecond of third-party JS competes with your own for main-thread time. If their share is bigger than yours, optimization on your code base barely moves the needle. Audit, defer, or remove third-parties before further frontend optimization. Use Lighthouse's third-party audit to identify the worst offenders.
Source: web.dev
ricksmainroofing.com takes 5269ms 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
www.gstatic.com takes 2393ms 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
52% of www.gstatic.com's code is unused. The script may be loading features you don't use.
Why this matters
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev
ricksmainroofing.com takes 1997ms 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
ricksmainroofing.com takes 1291ms 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
Google Tag Manager takes 978ms 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
Hotjar takes 851ms 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
ricksmainroofing.com takes 383ms 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
50% of ricksmainroofing.com's code is unused. The script may be loading features you don't use.
Why this matters
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev
static.cloudflareinsights.com takes 278ms 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
Google Tag Manager takes 270ms 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
ricksmainroofing.com takes 267ms 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
66% of Google Tag Manager's code is unused. The script may be loading features you don't use.
Why this matters
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.