4.3 sec in total
651 ms
3.4 sec
267 ms
Visit classdaudio.com now to see the best up-to-date Class D Audio content for United States and also check out these interesting facts you probably never knew about classdaudio.com
We manufacture Class D Audio equipment
Visit classdaudio.comWe analyzed Classdaudio.com page load time and found that the first response time was 651 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
classdaudio.com performance score
name
value
score
weighting
Value4.9 s
11/100
10%
Value7.8 s
3/100
25%
Value10.8 s
6/100
10%
Value590 ms
50/100
30%
Value0.001
100/100
15%
Value28.9 s
0/100
10%
651 ms
24 ms
36 ms
128 ms
137 ms
Our browser made a total of 126 requests to load all elements on the main page. We found that 95% of them (120 requests) were addressed to the original Classdaudio.com, 2% (2 requests) were made to Fonts.googleapis.com and 2% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Classdaudio.com.
Page size can be reduced by 1.9 MB (71%)
2.7 MB
773.9 kB
In fact, the total size of Classdaudio.com main page is 2.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 91.9 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 16.0 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 91.9 kB or 87% of the original size.
Potential reduce by 640.1 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Class D Audio needs image optimization as it can save up to 640.1 kB or 56% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 783.4 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 783.4 kB or 81% of the original size.
Potential reduce by 370.1 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Classdaudio.com needs all CSS files to be minified and compressed as it can save up to 370.1 kB or 84% of the original size.
Number of requests can be reduced by 87 (71%)
122
35
The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Class D Audio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 55 to 1 for JavaScripts and from 34 to 1 for CSS and as a result speed up the page load time.
www.classdaudio.com
651 ms
css
24 ms
css
36 ms
styles.css
128 ms
widgets.css
137 ms
ajaxpro.css
135 ms
ajaxsearch.css
140 ms
navigationpro.css
181 ms
prolabel.css
192 ms
prolabels-tooltip.css
189 ms
soldtogether.css
195 ms
suggestpage.css
197 ms
askit.css
208 ms
attributepages.css
265 ms
easybanner.css
251 ms
easycatalogimg.css
261 ms
easytabs.css
258 ms
easyslide.css
261 ms
nivo-slider.css
277 ms
bar.css
313 ms
dark.css
322 ms
default.css
327 ms
light.css
325 ms
highlight.css
345 ms
highslide.css
348 ms
testimonials.css
375 ms
chosen.css
386 ms
photoswipe.css
389 ms
animate.css
395 ms
styles-ee.css
429 ms
default.css
484 ms
theme.css
438 ms
prototype.js
577 ms
ccard.js
453 ms
validation.js
465 ms
builder.js
513 ms
effects.js
500 ms
dragdrop.js
523 ms
font-awesome.min.css
6 ms
admin_backend.css
487 ms
controls.js
428 ms
slider.js
436 ms
js.js
476 ms
form.js
472 ms
menu.js
433 ms
translate.js
441 ms
cookies.js
443 ms
captcha.js
453 ms
ajaxpro.js
463 ms
config.js
477 ms
message.js
427 ms
spinner.js
440 ms
opacity.js
434 ms
overlay.js
449 ms
compare.js
460 ms
view.js
483 ms
cart.js
462 ms
view.js
436 ms
configurableswatches.js
442 ms
xregexp-all.js
512 ms
ajaxsearch.js
443 ms
navigationpro.js
470 ms
prolabels-tooltip.js
452 ms
soldtogether.js
451 ms
askit.js
472 ms
attributepages.js
463 ms
easybanner.js
453 ms
easytabs.js
451 ms
easyslide.js
452 ms
highslide-full.js
440 ms
lightboxpro.js
421 ms
testimonials.js
439 ms
argento.js
434 ms
chosen.proto.js
441 ms
event.simulate.js
436 ms
headroom.js
422 ms
iscroll-lite.js
420 ms
simple-inheritance.min.js
418 ms
code-photoswipe-1.0.11.min.js
402 ms
wow.js
425 ms
matchMedia.js
427 ms
matchMedia.addListener.js
422 ms
enquire.js
421 ms
noframework.waypoints.js
429 ms
noframework.sticky.js
452 ms
inview.js
429 ms
theme.js
420 ms
tabBuilder.js
431 ms
slider.js
424 ms
logo.gif
81 ms
argento_flat_slider1_BW.jpg
261 ms
argento_flat_slider2_BW.jpg
251 ms
argento_flat_slider3_BW.jpg
281 ms
argento_flat_slider4_BW.jpg
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SDS-440C_3_2.jpg
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sds-2-_01.jpg
138 ms
sds-254_kit.jpg
171 ms
SDS-Case-Parts.jpg
209 ms
argento_flat_callout_home1.png
1256 ms
front_angle1_4_1.jpg
262 ms
sds-254_kit.jpg
278 ms
front_angle1_4.jpg
313 ms
cda_rear_side_2.jpg
327 ms
large_power_supply.jpg
325 ms
12v30w_1.jpg
347 ms
ti-amp2_2.jpg
349 ms
cda_case_front_1.jpg
375 ms
Horse2.jpg
389 ms
Direct1.jpg
392 ms
Top-Banner-4.jpg
415 ms
payments.png
417 ms
links_div.gif
426 ms
common.gif
442 ms
chosen-sprite.png
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QHD8zigcbDB8aPfIoaupKOvvDin1pK8aKteLpeZ5c0A.ttf
6 ms
loader.gif
460 ms
fontawesome-webfont.woff
4 ms
bkg_sky.jpg
444 ms
control.png
459 ms
lXoKq2PC8Z_S1wl-BwvrB-vvDin1pK8aKteLpeZ5c0A.ttf
8 ms
pattern.jpg
464 ms
bkg_rating.png
468 ms
print.css
71 ms
rounded-white.png
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zoomout.cur
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loader.white.gif
64 ms
classdaudio.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Names and labels
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.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
classdaudio.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
classdaudio.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Classdaudio.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Classdaudio.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
classdaudio.com
Open Graph description is not detected on the main page of Class D Audio. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: