22.3 sec in total
2.4 sec
18.2 sec
1.7 sec
Welcome to opticscentral.com.au homepage info - get ready to check Optics Central best content for Australia right away, or after learning these important things about opticscentral.com.au
At Optics Central, Find quality Telescopes, Binoculars, Spotting Scopes, Cameras,. Tripods & Imaging Accessories - We offer Fast Shipping Australia-Wide!
Visit opticscentral.com.auWe analyzed Opticscentral.com.au page load time and found that the first response time was 2.4 sec and then it took 19.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
opticscentral.com.au performance score
name
value
score
weighting
Value5.0 s
9/100
10%
Value6.6 s
8/100
25%
Value16.4 s
0/100
10%
Value3,820 ms
1/100
30%
Value0.134
80/100
15%
Value28.3 s
0/100
10%
2376 ms
500 ms
1143 ms
675 ms
687 ms
Our browser made a total of 273 requests to load all elements on the main page. We found that 92% of them (250 requests) were addressed to the original Opticscentral.com.au, 4% (12 requests) were made to Static.hupso.com and 1% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (4.7 sec) belongs to the original domain Opticscentral.com.au.
Page size can be reduced by 1.1 MB (24%)
4.7 MB
3.6 MB
In fact, the total size of Opticscentral.com.au main page is 4.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.6 MB which makes up the majority of the site volume.
Potential reduce by 614.5 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 187.3 kB, which is 29% 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 614.5 kB or 94% of the original size.
Potential reduce by 390.6 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, Optics Central needs image optimization as it can save up to 390.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 102.5 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 102.5 kB or 38% of the original size.
Potential reduce by 7.8 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. Opticscentral.com.au has all CSS files already compressed.
Number of requests can be reduced by 152 (58%)
263
111
The browser has sent 263 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optics Central. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 130 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
www.opticscentral.com.au
2376 ms
calendar.css
500 ms
styles-m.css
1143 ms
afterpay-express-checkout.css
675 ms
owl.carousel.css
687 ms
owl.theme.css
684 ms
animate.min.css
752 ms
style.css
750 ms
stripe_payments.css
897 ms
slick.css
910 ms
slick-theme.css
915 ms
slick-magento.css
993 ms
testimonials.css
994 ms
light.css
1120 ms
translucent.css
1135 ms
zipmoney.css
1252 ms
styles-l.css
1253 ms
style.css
1498 ms
require.js
1570 ms
mixins.js
1360 ms
requirejs-config.js
1364 ms
opticscentral.js
1374 ms
stripe_payments.js
1490 ms
js
82 ms
font-awesome.min.css
57 ms
store.js
671 ms
fbevents.js
192 ms
gtm.js
185 ms
zip-paycon-80x50-greyscale.png
349 ms
truck.png
390 ms
news.png
391 ms
support.png
390 ms
mail.png
389 ms
phone.png
388 ms
account-res.png
387 ms
cart-res.png
654 ms
nav-icon.png
616 ms
nav-icon-close.png
655 ms
logo-main.png
654 ms
location.png
615 ms
account.png
616 ms
down-arrow.png
827 ms
Exclusive-Bundles-Button-v2.jpg
1017 ms
GPO_In_Stock-Button.png
1022 ms
PRE-ORDER_AM5_-_Button.png
1113 ms
arrow-top.png
869 ms
free_public_viewing_night_-_web_banner_2_.png
1847 ms
esprit_range_-_back_in_stock.png
1684 ms
gpo_-_website_banner_3__1.png
2905 ms
service_centre_-_website_banner.png
2357 ms
updated_website_showroom_banner.png
2375 ms
Hands_holding_book2.jpg
2095 ms
saxon_1145az_reflector_telescope_-_sku_224103_-_1.jpg
1905 ms
22453_starsense_explorer_lt_127_01_x500.jpg
2094 ms
star_discovery_127mak_cassegrain_telescope_3.jpg
2128 ms
sw150nsd-r-1.jpg
2340 ms
evo8_left_web.jpeg
2341 ms
skywatcher_10inch_go_to_computerized_dobsonian_telescope_1.jpg
2355 ms
saxon_6inch_dobsonian_telescope_1.jpg
2586 ms
909az3_refractor_telescope.jpg
2587 ms
gg-39.jpg
2577 ms
ben842-ben1042-510x510.jpg
2575 ms
prime_10x42_-_front.jpg
2599 ms
1491248740000_img_780570_1.jpg
2808 ms
jquery.js
2823 ms
conversion_async.js
272 ms
2024568970896480
70 ms
common.js
2450 ms
dataPost.js
2454 ms
bootstrap.js
2443 ms
form-key-provider.js
2648 ms
mage-translation-dictionary.js
2671 ms
theme.js
2725 ms
70 ms
164 ms
avertademo-regular-webfont.woff
2501 ms
swanse__-webfont.woff
2455 ms
Luma-Icons.woff
2523 ms
form-mini.js
2607 ms
searchClick.js
2629 ms
jquery-mixin.js
2590 ms
customer-data.js
2470 ms
customer-data-mixin.js
2468 ms
slick.js
2345 ms
opensans-600.woff
2461 ms
opensans-700.woff
2410 ms
opensans-400.woff
1839 ms
opensans-300.woff
1764 ms
marmelat_book-webfont.woff
1675 ms
zeiss_terra_ed_42-1.jpg
1517 ms
bin_diamondback2_42_f-t.jpg
1609 ms
bushnell_legacy_10x50_black_porro_prism_binoculars.jpg
1604 ms
zeiss_conquest_hd_8x42-1_1.jpg
1396 ms
steiner-7655-navigator-pro-7x50-binocular.jpg
1493 ms
20x80_night_sky_binoculars_1.jpg
1473 ms
mm-300_02-rev-scaled.jpg
1460 ms
44120_microkit_1_570x380_2x.jpg
1552 ms
44308_handheld_digital_microscope_pro_1.jpeg
1381 ms
saxon_psb_x1-3_deluxe_stereo_microscope_1.jpg
1381 ms
mm-200-front.jpg
1460 ms
saxon_sbm_sciencesmart_biological_microscope_sl-bl_1_1_.jpg
1488 ms
celestron_premier_select_dealer.jpg
1479 ms
saxon.jpg
1342 ms
main.js
1357 ms
bootstrap.js
1350 ms
domReady.js
1440 ms
template.js
1446 ms
confirm.js
1423 ms
widget.js
1343 ms
jquery-migrate.js
1354 ms
owl.carousel.min.js
1304 ms
text.js
1392 ms
smart-keyboard-handler.js
1428 ms
mage.js
1420 ms
ie-class-fixer.js
1340 ms
underscore.js
1361 ms
form-mini.js
1353 ms
cookies.js
1396 ms
page-cache.js
1480 ms
wrapper.js
1464 ms
knockout.js
1447 ms
section-config.js
1434 ms
url.js
1414 ms
jquery.storageapi.extended.js
4714 ms
storage.js
4696 ms
storage-mixin.js
4670 ms
storage-mixin.js
4602 ms
bushnell-logo.png
4577 ms
skywatcher_logo1.jpg
4574 ms
steiner_logo.png
4495 ms
zeiss_thumb.jpg
4483 ms
leica-logo-21D567A351-seeklogo.com.png
4481 ms
vortex_logo.jpg
4387 ms
Orion-Logo.jpg
4355 ms
burris1.jpg
4357 ms
nikon.jpg
4271 ms
vanguard.png
4242 ms
pentax.png
4238 ms
carsons.png
4171 ms
minox.png
4138 ms
knockout-es5.js
4134 ms
engine.js
4044 ms
bootstrap.js
4000 ms
observable_array.js
3998 ms
bound-nodes.js
3950 ms
scripts.js
3916 ms
translate.js
3910 ms
modal.js
3824 ms
version.js
3760 ms
js-translation.json
3758 ms
Kowa-Logo.jpg
3734 ms
alpen-optics.png
3692 ms
core.js
3683 ms
matchMedia.js
3602 ms
jquery.cookie.js
3517 ms
console-logger.js
3390 ms
byfield_optics.png
3383 ms
optex.jpg
3382 ms
load_homepage_featured_article.php
3966 ms
pulsar.png
251 ms
yukon.png
250 ms
aimpoint.jpg
305 ms
barska.jpg
249 ms
canon-logo.png
249 ms
QHYCCDLOGO.png
698 ms
FLIR.jpg
698 ms
zwo.png
475 ms
vixen.png
474 ms
logo-footer.png
492 ms
Visa_icon.png
1260 ms
Paypal_icon.png
1261 ms
Mastercard_icon.png
1261 ms
afterpay.png
905 ms
facebook.png
905 ms
instagram.png
905 ms
youtube.png
1255 ms
wishlist.png
1208 ms
cart.png
1252 ms
down.png
1327 ms
telescope-bg.jpg
1942 ms
footer-background.jpg
1660 ms
left-arrow.png
1427 ms
right-arrow.png
1429 ms
ajax-loader.gif
1458 ms
prev-arrow.png
1394 ms
next-arrow.png
1511 ms
jquery.storageapi.min.js
1466 ms
storage-sequence.js
1517 ms
registry.js
1567 ms
knockout-repeat.js
1678 ms
knockout-fast-foreach.js
1679 ms
events.js
1677 ms
modal-popup.html
1735 ms
modal-slide.html
1763 ms
modal-custom.html
1875 ms
key-codes.js
1879 ms
z-index.js
1888 ms
local.js
1945 ms
observable_source.js
1910 ms
renderer.js
1748 ms
resizable.js
1938 ms
i18n.js
1920 ms
share-medium.png
629 ms
share_toolbar.js
632 ms
scope.js
1721 ms
range.js
1774 ms
mage-init.js
1751 ms
keyboard.js
1557 ms
optgroup.js
1955 ms
after-render.js
1948 ms
autoselect.js
1642 ms
datepicker.js
1641 ms
outer_click.js
1644 ms
fadeVisible.js
1643 ms
collapsible.js
1643 ms
staticChecked.js
1642 ms
service.html
101 ms
twitter.png
105 ms
facebook.png
195 ms
pinterest.png
210 ms
linkedin.png
294 ms
stumbleupon.png
309 ms
digg.png
309 ms
reddit.png
316 ms
bebo.png
311 ms
delicious.png
311 ms
simple-checked.js
1569 ms
bind-html.js
1554 ms
tooltip.js
1569 ms
color-picker.js
1541 ms
data.js
1513 ms
disable-selection.js
1396 ms
focusable.js
1393 ms
form.js
1524 ms
ie.js
1475 ms
keycode.js
1560 ms
labels.js
1440 ms
jquery-patch.js
1438 ms
plugin.js
1431 ms
safe-active-element.js
1448 ms
safe-blur.js
1537 ms
scroll-parent.js
1509 ms
tabbable.js
1389 ms
unique-id.js
1384 ms
logger.js
1411 ms
entry-factory.js
1368 ms
console-output-handler.js
1474 ms
formatter.js
1475 ms
message-pool.js
1270 ms
levels-pool.js
1296 ms
logger-utils.js
1270 ms
main.js
1315 ms
class.js
1442 ms
loader.js
1284 ms
async.js
1048 ms
JWT.jpg
1498 ms
zwo-asiairplus.jpg
1057 ms
tooltip.html
944 ms
spectrum.js
1076 ms
tinycolor.js
1117 ms
entry.js
600 ms
moment.js
491 ms
template.js
593 ms
arrays.js
602 ms
compare.js
634 ms
misc.js
633 ms
misc-mixin.js
665 ms
objects.js
666 ms
strings.js
790 ms
dom-observer.js
658 ms
bindings.js
695 ms
print.css
252 ms
widget.js
30 ms
opticscentral.com.au accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
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
opticscentral.com.au best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
opticscentral.com.au SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opticscentral.com.au 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 Opticscentral.com.au 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.
opticscentral.com.au
Open Graph description is not detected on the main page of Optics Central. 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: