Performance
· 17 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.Performance-focused optimization plan with CWV assessment, top offenders, and time estimates
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
2.18 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
18.93 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
1.25 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.511
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
8.28 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.
18.98 s
Page Load Progression
FPage Weight BudgetAction4.1 MB transferred, 61 requestsFIX
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.
Source: web.dev
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.
Source: web.dev
FJS Execution CostAction6185ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://elte.hu/ | 2381ms | 35ms | 3ms | 1st |
| https://elte.hu/sites/default/files/js/js_9QxoZrPmodsZYOy194GQgMlxNYkU4ap2eh3F6Sp_wis.js?scope=header&delta=0&language=hu&theme=spred&include=eJx1UO1uAyEMeyHaPFIUwAV6KTkBp348fdm0VddO-2PZlpU4kUJSOKl5URcy0OG3ltD4grrRH-d47g46wMEaSEJA78UXLePOKo8JJhHt38y1xIQxozVtkrDP1ZCt8RDPWWrUtyFBFDVKcycJ8GYLr-UGpXfpTpvqb5S9Wlhob7lklhRzR6I04VMf5Sw3t6g0o290fW2I5KXjh2Z8nXfwUussOMoyXl32wo37Oh9XO-jFuENayE9BBZEe | 1585ms | 534ms | 4ms | 1st |
| Unattributable | 1251ms | 284ms | 0ms | 3rd |
| https://elte.hu/sites/default/files/js/js_jEoJ4zbo9-pncJ6RShFLiNXUs4QXumoZUq81pEgjgyE.js?scope=footer&delta=2&language=hu&theme=spred&include=eJx1UO1uAyEMeyHaPFIUwAV6KTkBp348fdm0VddO-2PZlpU4kUJSOKl5URcy0OG3ltD4grrRH-d47g46wMEaSEJA78UXLePOKo8JJhHt38y1xIQxozVtkrDP1ZCt8RDPWWrUtyFBFDVKcycJ8GYLr-UGpXfpTpvqb5S9Wlhob7lklhRzR6I04VMf5Sw3t6g0o290fW2I5KXjh2Z8nXfwUussOMoyXl32wo37Oh9XO-jFuENayE9BBZEe | 260ms | 68ms | 79ms | 1st |
| https://www.skynettechnologies.com/accessibility/js/accessibility-loader.js | 219ms | 203ms | 3ms | 3rd |
| https://elte.hu/core/assets/vendor/jquery/jquery.min.js?v=4.0.0 | 148ms | 137ms | 10ms | 1st |
| https://cdn.jsdelivr.net/npm/typesense-instantsearch-adapter@2/dist/typesense-instantsearch-adapter.min.js | 135ms | 108ms | 18ms | 3rd |
| https://www.skynettechnologies.com/accessibility/js/all-in-one-accessibility-js-widget-minify.js?colorcode= | 85ms | 20ms | 63ms | 3rd |
| https://elte.hu/libraries/klaro/dist/klaro-no-translations-no-css.js?tds0fs | 68ms | 47ms | 8ms | 1st |
| https://cdn.jsdelivr.net/npm/instantsearch.js@4.60.0/dist/instantsearch.production.min.js | 52ms | 18ms | 35ms | 3rd |
DPage Weight InventoryAction61 resources · 4.1 MB · 214 KB savings availableFIX
~213.6 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 61 resources | 4.1 MiB | ||||||
BImage Optimization28 images, 0 KB saveableREVIEW
CJS BundlesAction17 scripts, 214 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://elte.hu/sites/default/files/js/js_jEoJ4zbo9-pncJ6RShFLiNXUs4QXumoZUq81pEgjgyE.js?scope=footer&delta=2&language=hu&theme=spred&include=eJx1UO1uAyEMeyHaPFIUwAV6KTkBp348fdm0VddO-2PZlpU4kUJSOKl5URcy0OG3ltD4grrRH-d47g46wMEaSEJA78UXLePOKo8JJhHt38y1xIQxozVtkrDP1ZCt8RDPWWrUtyFBFDVKcycJ8GYLr-UGpXfpTpvqb5S9Wlhob7lklhRzR6I04VMf5Sw3t6g0o290fW2I5KXjh2Z8nXfwUussOMoyXl32wo37Oh9XO-jFuENayE9BBZEe | 173 KB | 113 KB (66%) | ✓ | 1st |
| https://cdn.jsdelivr.net/npm/instantsearch.js@4.60.0/dist/instantsearch.production.min.js | 75 KB | 58 KB (78%) | ✓ | 3rd |
| https://www.skynettechnologies.com/accessibility/js/accessibility-loader.js | 100 KB | 43 KB (43%) | ✓ | 3rd |
| https://elte.hu/libraries/klaro/dist/klaro-no-translations-no-css.js?tds0fs | 21 KB | — | ✓ | 1st |
| https://www.skynettechnologies.com/accessibility/js/accessibility-loader.js?colorcode= | 100 KB | — | ✓ | 3rd |
| https://elte.hu/core/assets/vendor/jquery/jquery.min.js?v=4.0.0 | 27 KB | — | ✓ | 1st |
| https://cdn.jsdelivr.net/npm/typesense-instantsearch-adapter@2/dist/typesense-instantsearch-adapter.min.js | 39 KB | — | ✓ | 3rd |
| https://elte.hu/sites/default/files/js/js_Y4JBMy6ffhKBJOvVSUmLHZyvSKbn_1r5q5xyLM-9Rls.js?scope=footer&delta=7&language=hu&theme=spred&include=eJx1UO1uAyEMeyHaPFIUwAV6KTkBp348fdm0VddO-2PZlpU4kUJSOKl5URcy0OG3ltD4grrRH-d47g46wMEaSEJA78UXLePOKo8JJhHt38y1xIQxozVtkrDP1ZCt8RDPWWrUtyFBFDVKcycJ8GYLr-UGpXfpTpvqb5S9Wlhob7lklhRzR6I04VMf5Sw3t6g0o290fW2I5KXjh2Z8nXfwUussOMoyXl32wo37Oh9XO-jFuENayE9BBZEe | 22 KB | — | ✓ | 1st |
| https://elte.hu/sites/default/files/js/js_9QxoZrPmodsZYOy194GQgMlxNYkU4ap2eh3F6Sp_wis.js?scope=header&delta=0&language=hu&theme=spred&include=eJx1UO1uAyEMeyHaPFIUwAV6KTkBp348fdm0VddO-2PZlpU4kUJSOKl5URcy0OG3ltD4grrRH-d47g46wMEaSEJA78UXLePOKo8JJhHt38y1xIQxozVtkrDP1ZCt8RDPWWrUtyFBFDVKcycJ8GYLr-UGpXfpTpvqb5S9Wlhob7lklhRzR6I04VMf5Sw3t6g0o290fW2I5KXjh2Z8nXfwUussOMoyXl32wo37Oh9XO-jFuENayE9BBZEe | 7 KB | — | ✓ | 1st |
| https://www.skynettechnologies.com/accessibility/js/all-in-one-accessibility-js-widget-minify.js?colorcode= | 1 KB | — | ✓ | 3rd |
Consider code splitting or tree shaking to reduce unused code.
This bundle has high unused code — code-split or tree-shake to ship only what executes.
Source: web.dev / Lighthouse coverage
Consider code splitting or tree shaking to reduce unused code.
This bundle has high unused code — code-split or tree-shake to ship only what executes.
Source: web.dev / Lighthouse coverage
Consider code splitting or tree shaking to reduce unused code.
This bundle has high unused code — code-split or tree-shake to ship only what executes.
Source: web.dev / Lighthouse coverage
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
AThird-Party Impact31% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font Loading6 fonts (188 KB)PASS
Web fonts
6
188 KB total
Render-blocking
0
of 6
Dominant font-display
swap
Most common across fonts
Font loading timeline
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 ~1 KB and ~2 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints2 hints, 0 missing preconnectsPASS
Current Resource Hints
2 resource hints configured
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
A+HTTP Cachingmax-age=3600 (1 hour)PASS
max-age=3600, public
| Directive | Value | Meaning |
|---|---|---|
| max-age | 3600 | Cache for 1 hour |
| public | — | Any cache may store this response |
Network Waterfall61 requests over 8793msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 1251ms | 0 KB | — | Ft4321/mo | Costly |
www.skynettechnologies.com www.skynettechnologies.com | Other | 219ms | 100 KB | 43% | Ft758/mo | Costly |
jsDelivr cdn.jsdelivr.net | CDN | 135ms | 39 KB | — | Ft466/mo | Costly |
www.skynettechnologies.com www.skynettechnologies.com | Other | 85ms | 1 KB | — | Ft293/mo | Costly |
jsDelivr cdn.jsdelivr.net | CDN | 52ms | 75 KB | 78% | Ft181/mo | Costly |
These scripts may cost more than they're worth
- Unattributable adds 1251ms and costs ~Ft4321/month
- www.skynettechnologies.com adds 219ms and costs ~Ft758/month
- jsDelivr adds 135ms and costs ~Ft466/month
- www.skynettechnologies.com adds 85ms and costs ~Ft293/month
- jsDelivr adds 52ms and costs ~Ft181/month
Unattributable takes 1251ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
www.skynettechnologies.com takes 219ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
jsDelivr takes 135ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
www.skynettechnologies.com takes 85ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
jsDelivr takes 52ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
78% of jsDelivr's code is unused. The script may be loading features you don't use.
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev