https://freesound.org
Lighthouse Desktop
· 0 checks — Desktop Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.SCORE
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Audit breakdown by category with detailed findings.
81
Performance
Insights
Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.
Why this matters
Performance issues directly impact user engagement and conversion rates.
Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling
Why this matters
Performance issues directly impact user engagement and conversion rates.
3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.
Why this matters
Performance issues directly impact user engagement and conversion rates.
Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.
Why this matters
Performance issues directly impact user engagement and conversion rates.
headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]
items: [map[node:map[type:text value:Total] score:0.364177] map[node:map[boundingRect:map[bottom:932 height:255 left:86 right:945 top:677 width:859] lhId:page-1-DIV nodeLabel:2025 in numbers
January 30th, 2026
Dear Freesounders, It looks like 2025 is al… path:1,HTML,1,BODY,8,DIV,1,DIV,1,DIV,0,MAIN,1,DIV selector:div.container > div.row > main.col-lg-9 > div.v-spacing-6 snippet:<div class="v-spacing-6"> type:node] score:0.364177]]
Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| URL | Est Savings |
|---|---|
| freesound.org/static/bw-frontend/dist/bw-icons.1fc88966.5e3225f9f93a.ttf | 45 ms |
A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.
Why this matters
Performance issues directly impact user engagement and conversion rates.
headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:58.862 source:map[column:46251 line:0 type:source-location url:https://freesound.org/static/bw-frontend/dist/index.2b66cae7a11f.js urlProvider:network]] map[reflowTime:8.773 source:map[column:76431 line:0 type:source-location url:https://freesound.org/static/bw-frontend/dist/index.2b66cae7a11f.js urlProvider:network]]]
Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
Why this matters
Performance issues directly impact user engagement and conversion rates.
description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
value: no origins were preconnected
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates
value: No additional origins are good candidates for preconnecting
A long cache lifetime can speed up repeat visits to your page. Learn more about caching.
Why this matters
Performance issues directly impact user engagement and conversion rates.
Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
Why this matters
Performance issues directly impact user engagement and conversion rates.
| URL | Resource Size | Est Savings | |
|---|---|---|---|
div.row > div.col-sm-4 > a.no-hover > img.w-100 div.row > div.col-sm-4 > a.no-hover > img.w-100 | freesound.org/static/bw-frontend/public/phonos_logo.7c586cfd83d2.png | 51.5 KiB | 50.1 KiB |
div.row > div.col-sm-8 > a.no-hover > img.w-100 div.row > div.col-sm-8 > a.no-hover > img.w-100 | freesound.org/static/bw-frontend/public/upf_logo.06e9f326ce68.png | 31.1 KiB | 28.4 KiB |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851137_18428163_wave_bw_L.png | 15.1 KiB | 13.4 KiB |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/827/827367_12698134_wave_bw_L.png | 14.0 KiB | 12.4 KiB |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/818/818085_12698134_wave_bw_L.png | 12.2 KiB | 10.8 KiB |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851135_18428163_wave_bw_L.png | 11.8 KiB | 10.4 KiB |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/769/769703_15722114_wave_bw_L.png | 10.0 KiB | 8.9 KiB |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851433_5287430_wave_bw_L.png | 9.7 KiB | 8.6 KiB |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/818/818086_12698134_wave_bw_L.png | 9.7 KiB | 8.6 KiB |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851136_18428163_wave_bw_L.png | 9.1 KiB | 8.1 KiB |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/849/849524_15722114_wave_bw_L.png | 8.6 KiB | 7.6 KiB |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851432_5287430_wave_bw_L.png | 6.1 KiB | 5.4 KiB |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851431_5287430_wave_bw_L.png | 5.6 KiB | 5.0 KiB |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850812_12419669_wave_bw_L.png | 5.0 KiB | 4.4 KiB |
Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size |
|---|---|
| freesound.org/static/bw-frontend/dist/index.e9e6280b633e.css | 15.0 KiB |
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
Diagnostics
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
Why this matters
Performance issues directly impact user engagement and conversion rates.
Estimated savings: 130 ms 205.9 KiB
| URL | Transfer Size | Est Savings |
|---|---|---|
| api.tiles.mapbox.com/mapbox-gl-js/v2.6.1/mapbox-gl.js | 233.1 KiB | 184.8 KiB |
| freesound.org/static/bw-frontend/dist/index.2b66cae7a11f.js | 40.9 KiB | 21.2 KiB |
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
Why this matters
Performance issues directly impact user engagement and conversion rates.
Estimated savings: 0.0 ms 12.2 KiB
| URL | Transfer Size | Est Savings |
|---|---|---|
| freesound.org/static/bw-frontend/dist/index.e9e6280b633e.css | 14.9 KiB | 12.2 KiB |
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
Why this matters
Performance issues directly impact user engagement and conversion rates.
| URL | |
|---|---|
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851137_18428163_wave_bw_L.png |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851136_18428163_wave_bw_L.png |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851135_18428163_wave_bw_L.png |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850812_12419669_wave_bw_L.png |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/827/827367_12698134_wave_bw_L.png |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/818/818086_12698134_wave_bw_L.png |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/818/818085_12698134_wave_bw_L.png |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851433_5287430_wave_bw_L.png |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851432_5287430_wave_bw_L.png |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851431_5287430_wave_bw_L.png |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/849/849524_15722114_wave_bw_L.png |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/769/769703_15722114_wave_bw_L.png |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851325_11327625_wave_bw_L.png |
div.row > div.col-sm-4 > a.no-hover > img.w-100 div.row > div.col-sm-4 > a.no-hover > img.w-100 | freesound.org/static/bw-frontend/public/phonos_logo.7c586cfd83d2.png |
div.row > div.col-sm-8 > a.no-hover > img.w-100 div.row > div.col-sm-8 > a.no-hover > img.w-100 | freesound.org/static/bw-frontend/public/upf_logo.06e9f326ce68.png |
Looppelganger #213 | Dark Ambient Sound div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851541_12880153_wave_bw_M.png |
13944 overdrive vintage logo div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851532_321967_wave_bw_M.png |
birds wind square village Engelen Netherlands 306 pm 260422_0098 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851529_1648170_wave_bw_M.png |
190818_0582_FR_Cicada_and_crickets_in_quiet_mountains div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851480_9034501_wave_bw_M.png |
hurfv div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851457_7037_wave_bw_M.png |
Synthesised fake dirty 50 HZ electricity div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851446_5287430_wave_bw_M.png |
Piano loops 206 octave down short loop 120 bpm div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851434_5674468_wave_bw_M.png |
noise.wav div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850182_10594370_wave_bw_M.png |
wah quack sound div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/849/849976_18681303_wave_bw_M.png |
owl and fox in large div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850410_11519060_wave_bw_M.png |
Botanica-Liquid Texture 2 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850138_17675683_wave_bw_M.png |
260313_203339_FR_Amateur_jazz_band_indoor div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850240_9034501_wave_bw_M.png |
AMBPark_Spring.Sunny.Walking People.Birds.The Bells.Dist Voices.Dist Traffic.Ch… div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850770_5828667_wave_bw_M.png |
190818_0582_FR_Cicada_and_crickets_in_quiet_mountains div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851480_9034501_wave_bw_M.png |
Piano loops 206 octave down short loop 120 bpm div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851434_5674468_wave_bw_M.png |
birds heathland Loonse en Drunense Duinen 147 PM 260414_0096 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850694_1648170_wave_bw_M.png |
Dog bark 3 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850824_5287430_wave_bw_M.png |
64 BPM Industrial Ambient Loop #16260 (WAV) div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850754_12880153_wave_bw_M.png |
Vintage 16mm Film Static Optical Sound - normal speed 24fps div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850502_14865205_wave_bw_M.png |
hurfv div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851457_7037_wave_bw_M.png |
Button Click 1.wav div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/506/506054_10991815_wave_bw_M.png |
Ocean Crete 2.wav div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/404/404686_1944470_wave_bw_M.png |
Woosh_2 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/842/842511_18255452_wave_bw_M.png |
Message Notification 4 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/740/740423_2675894_wave_bw_M.png |
Heart beat.Valve move and muscle work.Sound design_EM.wav div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/614/614938_5828667_wave_bw_M.png |
FGHTImpt_Punch Sounds Strong_Guilherme, Gabriel, Leonardo_DSBA div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/847/847838_18522131_wave_bw_M.png |
Tires car without an engine. div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/188/188507_3506052_wave_bw_M.png |
Tires car without an engine. div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/188/188507_3506052_wave_bw_M.png |
park in spring div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
Atmospheric Space Bells Soundscape div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
Coming Home div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
Courtyard ambience with pigeons and city sounds in spring div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
carving_knife_sword_shing_slide_distortion_sound_04162026 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
Uplifting acoustic guitar div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
20260408_1057_Cemetery2 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
Nighttime Ambience with street sounds div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
park in spring div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
142 BPM Industrial Drum Loop #16293 (WAV) div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
Piano loops 207 octave down short loop 120 bpm div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
swoosh-1.mp3 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
Uneasy Horror Ambience Music (Loop) div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
Spooky piano tune div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
Piano loops 188 octave down long loop 120 bpm div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
Walking_up_the_hill.wav div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
Chill_Vibes_Lofi_VirginiaRizo.Wav div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
stilte-10-sec.mp3 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
12/09/2016 found tape part 2 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
CarFallingDown.wav div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | |
(Male) Grunts and Yells.mp3 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img |
More information about the performance of your application. These numbers don't directly affect the Performance score.
These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to windowing. Learn how to improve CLS
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Element | Layout shift score |
|---|---|
2025 in numbers
January 30th, 2026
Dear Freesounders, It looks like 2025 is al… div.container > div.row > main.col-lg-9 > div.v-spacing-6 | 0.364 |
●Max Potential First Input Delay 80 ms
●Document request latency
●Optimize DOM size
●LCP breakdown
●Modern HTTP
●Optimize viewport for mobile
●Time to Interactive 0.9 s
●Minify CSS
●Minify JavaScript
●Avoids enormous network payloads Total size was 657 KiB
●JavaScript execution time 0.1 s
●Minimizes main-thread work 0.5 s
●Avoid long main-thread tasks 1 long task found
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 40 ms
●Server Backend Latencies 50 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Avoid multiple page redirects
●Initial server response time was short Root document took 80 ms
○INP breakdown
○LCP request discovery
○User Timing marks and measures
○Avoid non-composited animations
71
Accessibility
These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.
ARIA
Each ARIA `role` supports a specific subset of `aria-*` attributes. Mismatching these invalidates the `aria-*` attributes. Learn how to match ARIA attributes to their roles.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Menu div.container > ul.bw-nav__actions > li.bw-nav__action > a#three-dots-menu |
Reveal sound details aside.col-lg-3 > section#random-sound-section > div.text-center > span.collapsable-toggle |
Some ARIA child roles must be contained by specific parent roles to properly perform their intended accessibility functions. Learn more about ARIA roles and required parent element.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Sounds div.container > ul.bw-nav__actions > li.bw-nav__action > a.bw-link--grey |
Tags div.container > ul.bw-nav__actions > li.bw-nav__action > a.bw-link--grey |
Forum div.container > ul.bw-nav__actions > li.bw-nav__action > a.bw-link--grey |
Map div.container > ul.bw-nav__actions > li.bw-nav__action > a.bw-link--grey |
Log in div.container > ul.bw-nav__actions > li.bw-nav__action > button.btn-secondary |
Join div.container > ul.bw-nav__actions > li.bw-nav__action > button.btn-primary |
Using ARIA attributes in roles where they are prohibited can mean that important information is not communicated to users of assistive technologies. Learn more about prohibited ARIA roles.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Menu div.container > ul.bw-nav__actions > li.bw-nav__action > a#three-dots-menu |
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Contrast
Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Ok div.toast > div.toast-body > div.middle > button#cookieConsentButton |
Join div.container > ul.bw-nav__actions > li.bw-nav__action > button.btn-primary |
looplicator div.v-spacing-3 > div.between > div.ellipsis > a |
Robinhood76 div.v-spacing-3 > div.between > div.ellipsis > a |
klankbeeld div.v-spacing-3 > div.between > div.ellipsis > a |
27 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
Read more div.padding-4 > div.w-100 > div.center > a.no-hover |
59 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
4.5 div.between > div.right > div.h-spacing-left-1 > span.bw-rating__avg |
Mihacappy div.v-spacing-3 > div.between > div.ellipsis > a |
Velvetique div.v-spacing-3 > div.between > div.ellipsis > a |
90 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
4.8 div.between > div.right > div.h-spacing-left-1 > span.bw-rating__avg |
bruno.auzet div.v-spacing-3 > div.between > div.ellipsis > a |
17 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
4.8 div.between > div.right > div.h-spacing-left-1 > span.bw-rating__avg |
kevp888 div.v-spacing-3 > div.between > div.ellipsis > a |
31 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
5.0 div.between > div.right > div.h-spacing-left-1 > span.bw-rating__avg |
josefpres div.v-spacing-3 > div.between > div.ellipsis > a |
56 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
klankbeeld div.v-spacing-3 > div.between > div.ellipsis > a |
164 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
3.8 div.between > div.right > div.h-spacing-left-1 > span.bw-rating__avg |
REVERBERA div.bw-display-pack > div.between > div.ellipsis > a |
4.0 div.bw-display-pack > div.between > div.right > div.h-spacing-left-1 |
Huglex div.bw-display-pack > div.between > div.ellipsis > a |
quehablas div.bw-display-pack > div.between > div.ellipsis > a |
4.3 div.bw-display-pack > div.between > div.right > div.h-spacing-left-1 |
Mellau div.v-spacing-3 > div.between > div.ellipsis > a |
6.6K div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
4.6 div.between > div.right > div.h-spacing-left-1 > span.bw-rating__avg |
norwayjohn div.v-spacing-3 > div.between > div.ellipsis > a |
5.0K div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
4.7 div.between > div.right > div.h-spacing-left-1 > span.bw-rating__avg |
827 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
gulfstreamav div.v-spacing-3 > div.between > div.ellipsis > a |
petruchio_ru div.v-spacing-3 > div.between > div.ellipsis > a |
1.9K div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
4.8 div.between > div.right > div.h-spacing-left-1 > span.bw-rating__avg |
Victor_Natas div.v-spacing-3 > div.between > div.ellipsis > a |
328 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
4.5 div.between > div.right > div.h-spacing-left-1 > span.bw-rating__avg |
josefpres div.v-spacing-3 > div.between > div.ellipsis > a |
192 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
4.3 div.between > div.right > div.h-spacing-left-1 > span.bw-rating__avg |
heartyfilms div.text-center > div.middle > div.text-left > a |
50.00 eur div.text-center > div.middle > div.text-left > div.text-light-grey |
zunebuggy section.v-spacing-top-2 > article.v-padding-2 > div.text-grey > a |
frederic.font section.v-spacing-top-2 > article.v-padding-2 > div.text-grey > a |
chris108 section.v-spacing-top-2 > article.v-padding-2 > div.text-grey > a |
kevp888 section.v-spacing-top-2 > article.v-padding-2 > div.text-grey > a |
Cat-Fox_Alex section.v-spacing-top-2 > article.v-padding-2 > div.text-grey > a |
Cat-Fox_Alex section.v-spacing-top-2 > article.v-padding-2 > div.text-grey > a |
kevp888 section.v-spacing-top-2 > article.v-padding-2 > div.text-grey > a |
wmodes section.v-spacing-top-2 > article.v-padding-2 > div.text-grey > a |
Sadiquecat section.v-spacing-top-2 > article.v-padding-2 > div.text-grey > a |
crokomoko section.v-spacing-top-2 > article.v-padding-2 > div.text-grey > a |
About Freesound div.bw-page > footer.bw-footer > div.row > a.bw-link--grey |
Terms of use div.bw-page > footer.bw-footer > div.row > a.bw-link--grey |
Privacy div.bw-page > footer.bw-footer > div.row > a.bw-link--grey |
Cookies div.bw-page > footer.bw-footer > div.row > a.bw-link--grey |
Developers div.bw-page > footer.bw-footer > div.row > a.bw-link--grey |
Help div.bw-page > footer.bw-footer > div.row > a.bw-link--grey |
Donations div.bw-page > footer.bw-footer > div.row > a.bw-link--grey |
Blog div.bw-page > footer.bw-footer > div.row > a.bw-link--grey |
Freesound Labs div.bw-page > footer.bw-footer > div.row > a.bw-link--grey |
Get your t-shirt! div.bw-page > footer.bw-footer > div.row > a.bw-link--grey |
© 2026 Universitat Pompeu Fabra div.bw-page > footer.bw-footer > div.center > span |
These are opportunities to improve the legibility of your content.
Navigation
Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Latest additions div.row > main.col-lg-9 > section.v-spacing-3 > h3.v-spacing-4 |
Looppelganger #213 | Dark Ambient Sound div.col-6 > div.v-spacing-3 > div.between > h5.ellipsis |
noise.wav div.col-6 > div.v-spacing-3 > div.between > h5.ellipsis |
190818_0582_FR_Cicada_and_crickets_in_quiet_mountains div.col-6 > div.v-spacing-3 > div.between > h5.ellipsis |
Reverbera som div.col-6 > div.bw-display-pack > div.between > h5.ellipsis |
Button Click 1.wav div.col-6 > div.v-spacing-3 > div.between > h5.ellipsis |
Tires car without an engine. div.col-6 > div.v-spacing-3 > div.between > h5.ellipsis |
These are opportunities to improve keyboard navigation in your application.
Names and labels
Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.row > div.col-sm-8 > a.no-hover > img.w-100 div.row > div.col-sm-8 > a.no-hover > img.w-100 |
div.row > div.col-sm-4 > a.no-hover > img.w-100 div.row > div.col-sm-4 > a.no-hover > img.w-100 |
Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
form > div.bw-nav__logo-search-container > div.bw-nav__logo-with-text > a.no-hover form > div.bw-nav__logo-search-container > div.bw-nav__logo-with-text > a.no-hover |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.row > aside.col-lg-3 > section.v-spacing-top-2 > a div.row > aside.col-lg-3 > section.v-spacing-top-2 > a |
div.footer-logo-container > div.row > div.col-sm-8 > a.no-hover div.footer-logo-container > div.row > div.col-sm-8 > a.no-hover |
div.footer-logo-container > div.row > div.col-sm-4 > a.no-hover div.footer-logo-container > div.row > div.col-sm-4 > a.no-hover |
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Best practices
Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
noise.wav div.v-spacing-3 > div.between > h5.ellipsis > a.bw-link--black |
Mihacappy div.v-spacing-3 > div.between > div.ellipsis > a |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
3 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
Woosh_2 div.v-spacing-3 > div.between > h5.ellipsis > a.bw-link--black |
gulfstreamav div.v-spacing-3 > div.between > div.ellipsis > a |
Piano loops 188 octave down long loop 120 bpm div.v-spacing-3 > div.between > h5.ellipsis > a.bw-link--black |
These items highlight common accessibility best practices.
○Interactive controls are keyboard focusable
○Interactive elements indicate their purpose and state
○The page has a logical tab order
○Visual order on the page follows DOM order
○User focus is not accidentally trapped in a region
○The user's focus is directed to new content added to the page
○HTML5 landmark elements are used to improve navigation
○Offscreen content is hidden from assistive technology
○Custom controls have associated labels
○Custom controls have ARIA roles
●`[aria-hidden="true"]` is not present on the document `<body>`
●`[role]`s have all required `[aria-*]` attributes
●`[role]` values are valid
●`[aria-*]` attributes have valid values
●`[aria-*]` attributes are valid and not misspelled
●Buttons have an accessible name
●Form elements have associated labels
●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
●ARIA attributes are used as specified for the element's role
●`[aria-hidden="true"]` elements do not contain focusable descendents
●Document has a `<title>` element
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Links are distinguishable without relying on color.
●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
●No element has a `[tabindex]` value greater than 0
●Document has a main landmark.
●Deprecated ARIA roles were not used
●ARIA IDs are unique
●Identical links have the same purpose.
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
○Elements with the `role=text` attribute do not have focusable descendents.
○ARIA toggle fields have accessible names
○ARIA `tooltip` elements have accessible names
○ARIA `treeitem` elements have accessible names
○The page contains a heading, skip link, or landmark region
○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
○Definition list items are wrapped in `<dl>` elements
○No form fields have multiple labels
○`<frame>` or `<iframe>` elements have a title
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○Input buttons have discernible text.
○`<input type="image">` elements have `[alt]` text
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Uses ARIA roles only on compatible elements
○Image elements do not have `[alt]` attributes that are redundant text.
○Elements with visible text labels have matching accessible names.
○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`<td>` elements in a large `<table>` have one or more table headers.
92
Best Practices
User Experience
Image display dimensions should match natural aspect ratio. Learn more about image aspect ratio.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| URL | Aspect Ratio (Displayed) | Aspect Ratio (Actual) | |
|---|---|---|---|
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851137_18428163_wave_bw_L.png | 272 x 100 (2.72) | 780 x 301 (2.59) |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851136_18428163_wave_bw_L.png | 272 x 100 (2.72) | 780 x 301 (2.59) |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851135_18428163_wave_bw_L.png | 272 x 100 (2.72) | 780 x 301 (2.59) |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850812_12419669_wave_bw_L.png | 272 x 100 (2.72) | 780 x 301 (2.59) |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/827/827367_12698134_wave_bw_L.png | 272 x 100 (2.72) | 780 x 301 (2.59) |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/818/818086_12698134_wave_bw_L.png | 272 x 100 (2.72) | 780 x 301 (2.59) |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/818/818085_12698134_wave_bw_L.png | 272 x 100 (2.72) | 780 x 301 (2.59) |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851433_5287430_wave_bw_L.png | 272 x 100 (2.72) | 780 x 301 (2.59) |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851432_5287430_wave_bw_L.png | 272 x 100 (2.72) | 780 x 301 (2.59) |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851431_5287430_wave_bw_L.png | 272 x 100 (2.72) | 780 x 301 (2.59) |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/849/849524_15722114_wave_bw_L.png | 272 x 100 (2.72) | 780 x 301 (2.59) |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/769/769703_15722114_wave_bw_L.png | 272 x 100 (2.72) | 780 x 301 (2.59) |
div > div.bw-player > div.bw-player__img-container > img.bw-player__img div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851325_11327625_wave_bw_L.png | 272 x 100 (2.72) | 780 x 301 (2.59) |
Looppelganger #213 | Dark Ambient Sound div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851541_12880153_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
13944 overdrive vintage logo div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851532_321967_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
birds wind square village Engelen Netherlands 306 pm 260422_0098 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851529_1648170_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
190818_0582_FR_Cicada_and_crickets_in_quiet_mountains div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851480_9034501_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
hurfv div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851457_7037_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
Synthesised fake dirty 50 HZ electricity div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851446_5287430_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
Piano loops 206 octave down short loop 120 bpm div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851434_5674468_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
noise.wav div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850182_10594370_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
wah quack sound div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/849/849976_18681303_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
owl and fox in large div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850410_11519060_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
Botanica-Liquid Texture 2 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850138_17675683_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
260313_203339_FR_Amateur_jazz_band_indoor div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850240_9034501_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
AMBPark_Spring.Sunny.Walking People.Birds.The Bells.Dist Voices.Dist Traffic.Ch… div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850770_5828667_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
190818_0582_FR_Cicada_and_crickets_in_quiet_mountains div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851480_9034501_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
Piano loops 206 octave down short loop 120 bpm div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851434_5674468_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
birds heathland Loonse en Drunense Duinen 147 PM 260414_0096 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850694_1648170_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
Dog bark 3 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850824_5287430_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
64 BPM Industrial Ambient Loop #16260 (WAV) div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850754_12880153_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
Vintage 16mm Film Static Optical Sound - normal speed 24fps div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/850/850502_14865205_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
hurfv div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851457_7037_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
Button Click 1.wav div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/506/506054_10991815_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
Ocean Crete 2.wav div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/404/404686_1944470_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
Woosh_2 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/842/842511_18255452_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
Message Notification 4 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/740/740423_2675894_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
Heart beat.Valve move and muscle work.Sound design_EM.wav div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/614/614938_5828667_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
FGHTImpt_Punch Sounds Strong_Guilherme, Gabriel, Leonardo_DSBA div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/847/847838_18522131_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
Tires car without an engine. div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/188/188507_3506052_wave_bw_M.png | 272 x 100 (2.72) | 195 x 101 (1.93) |
Tires car without an engine. div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/188/188507_3506052_wave_bw_M.png | 278 x 100 (2.78) | 195 x 101 (1.93) |
Image natural dimensions should be proportional to the display size and the pixel ratio to maximize image clarity. Learn how to provide responsive images.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| URL | Displayed size | Actual size | Expected size | |
|---|---|---|---|---|
Tires car without an engine. div > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/188/188507_3506052_wave_bw_M.png | 278 x 100 | 195 x 101 | 278 x 100 |
hurfv div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851457_7037_wave_bw_M.png | 272 x 100 | 195 x 101 | 272 x 100 |
190818_0582_FR_Cicada_and_crickets_in_quiet_mountains div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851480_9034501_wave_bw_M.png | 272 x 100 | 195 x 101 | 272 x 100 |
birds wind square village Engelen Netherlands 306 pm 260422_0098 div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851529_1648170_wave_bw_M.png | 272 x 100 | 195 x 101 | 272 x 100 |
13944 overdrive vintage logo div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851532_321967_wave_bw_M.png | 272 x 100 | 195 x 101 | 272 x 100 |
Looppelganger #213 | Dark Ambient Sound div.v-spacing-3 > div.bw-player > div.bw-player__img-container > img.bw-player__img | cdn.freesound.org/displays/851/851541_12880153_wave_bw_M.png | 272 x 100 | 195 x 101 | 272 x 100 |
●Uses HTTPS
●Avoids deprecated APIs
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Page has the HTML doctype
●Properly defines charset
●No browser errors logged to the console
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Use a strong HSTS policy
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Ensure proper origin isolation with COOP
○Mitigate clickjacking with XFO or CSP
75
SEO
These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.
Content Best Practices
Descriptive link text helps search engines understand your content. Learn how to make links more accessible.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Link destination | Link Text |
|---|---|
| freesound.org/help/cookies_policy/ | here |
| blog.freesound.org/?p=2347 | Read more |
| blog.freesound.org/?p=2352 | Read more |
| blog.freesound.org/?p=2329 | Read more |
| blog.freesound.org/?p=2302 | Read more |
| blog.freesound.org/?p=2290 | Read more |
Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
div.row > div.col-sm-8 > a.no-hover > img.w-100 div.row > div.col-sm-8 > a.no-hover > img.w-100 |
div.row > div.col-sm-4 > a.no-hover > img.w-100 div.row > div.col-sm-4 > a.no-hover > img.w-100 |
Format your HTML in a way that enables crawlers to better understand your app’s content.
Crawling and Indexing
Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable
Why this matters
Performance issues directly impact user engagement and conversion rates.
| Uncrawlable Link |
|---|
Problems logging in? div.modal-dialog > div.modal-content > div.modal-footer > a.v-spacing-top-3 |
Don't have an account? Join now div.modal-dialog > div.modal-content > div.modal-extra-info > a |
3 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
9 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
27 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
31 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
2 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
40 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
11 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
56 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
37 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
69 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
96 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
47 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
12 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
59 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
90 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
2 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
17 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
52 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
135 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
2 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
38 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
3 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
83 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
89 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
6 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
38 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
2 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
31 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
2 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
56 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
164 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
2 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
40 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
35 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
37 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
37 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
27 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
40 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
6 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
3 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
6 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
2 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
12 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
6 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
6 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
6.6K div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
4 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
5.0K div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
5 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
827 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
2.1K div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
14.2K div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
20 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
398 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
2 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
102 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
13.6K div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
18 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
145 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1.9K div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
7 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
328 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
2 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
192 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
466 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
270 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
2 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
815 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
4 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
530 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
3 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1.7K div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
4 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
731 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
5 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
1.9K div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
7 div.between > div.right > div.h-spacing-left-1 > a.bw-link--grey-light |
To appear in search results, crawlers need access to your app.
○Structured data is valid
●Page isn’t blocked from indexing
●Document has a `<title>` element
●Document has a meta description
●Page has successful HTTP status code
●robots.txt is valid
●Document has a valid `hreflang`
○Document has a valid `rel=canonical`