8.7 sec in total
912 ms
7 sec
824 ms
Click here to check amazing Charleston Scientific content. Otherwise, check out these important facts you probably never knew about charlestonscientific.com.sg
Charleston Scientific provides quality science educational laboratory supplies, equipment and services to schools all across Singapore.
Visit charlestonscientific.com.sgWe analyzed Charlestonscientific.com.sg page load time and found that the first response time was 912 ms and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
charlestonscientific.com.sg performance score
name
value
score
weighting
Value8.4 s
0/100
10%
Value23.5 s
0/100
25%
Value18.6 s
0/100
10%
Value10,920 ms
0/100
30%
Value0.092
92/100
15%
Value25.2 s
0/100
10%
912 ms
480 ms
516 ms
507 ms
519 ms
Our browser made a total of 120 requests to load all elements on the main page. We found that 88% of them (106 requests) were addressed to the original Charlestonscientific.com.sg, 8% (10 requests) were made to Cdn.datatables.net and 3% (3 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain Charlestonscientific.com.sg.
Page size can be reduced by 266.1 kB (11%)
2.4 MB
2.2 MB
In fact, the total size of Charlestonscientific.com.sg main page is 2.4 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. 75% 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 1.8 MB which makes up the majority of the site volume.
Potential reduce by 134.3 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 134.3 kB or 84% of the original size.
Potential reduce by 92.1 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. Charleston Scientific images are well optimized though.
Potential reduce by 14.5 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. This website has mostly compressed JavaScripts.
Potential reduce by 25.1 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. Charlestonscientific.com.sg has all CSS files already compressed.
Number of requests can be reduced by 84 (74%)
113
29
The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Charleston Scientific. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 62 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.
charlestonscientific.com.sg
912 ms
font-awesome.min.css
480 ms
shop_lgv.css
516 ms
style.min.css
507 ms
wc-blocks-vendors-style.css
519 ms
wc-blocks-style.css
770 ms
rs6.css
513 ms
tipTip.css
697 ms
cxecrt-icon-font.css
735 ms
ec-style.css
742 ms
woocommerce-quick-order-public.css
738 ms
jquery.dataTables.min.css
112 ms
responsive.dataTables.min.css
117 ms
buttons.dataTables.min.css
105 ms
fixedHeader.dataTables.min.css
109 ms
js_composer.min.css
1267 ms
quick.css
910 ms
bootstrap.min.css
960 ms
style.css
2467 ms
style.css
972 ms
v4-shims.min.css
984 ms
all.min.css
1144 ms
css
66 ms
basel-dynamic-1636693981.css
1209 ms
jquery.min.js
1479 ms
jquery-migrate.min.js
1239 ms
jquery.cookie.js
1422 ms
grid_view.js
1458 ms
frontend-gtag.min.js
1497 ms
rbtools.min.js
1779 ms
rs6.min.js
2320 ms
jquery.blockUI.min.js
1708 ms
add-to-cart.min.js
1735 ms
woocommerce-add-to-cart.js
1751 ms
quick-order.js
1957 ms
animate.min.css
1797 ms
regenerator-runtime.min.js
1811 ms
wp-polyfill.min.js
1842 ms
index.js
2011 ms
jquery.tipTip.minified.js
2052 ms
email-cart-frontend.js
2068 ms
jquery.dataTables.min.js
26 ms
dataTables.responsive.min.js
43 ms
dataTables.buttons.min.js
34 ms
jszip.min.js
69 ms
pdfmake.min.js
158 ms
vfs_fonts.js
196 ms
buttons.html5.min.js
33 ms
buttons.print.min.js
41 ms
dataTables.fixedHeader.min.js
43 ms
woocommerce-quick-order-public.js
2092 ms
js.cookie.min.js
2029 ms
woocommerce.min.js
2373 ms
cart-fragments.min.js
2371 ms
custom.js
2370 ms
isotope.pkgd.min.js
2302 ms
js_composer_front.min.js
2178 ms
jquery.magnific-popup.min.js
2141 ms
owl.carousel.min.js
2137 ms
photoswipe.min.js
2136 ms
photoswipe-ui-default.min.js
2105 ms
slick.min.js
1946 ms
jquery.justifiedGallery.min.js
2081 ms
imagesloaded.pkgd.min.js
2074 ms
jquery.pjax.min.js
2060 ms
jquery.countdown.min.js
1899 ms
packery-mode.pkgd.min.js
1835 ms
jquery.autocomplete.min.js
2222 ms
threesixty.min.js
2043 ms
TweenMax.min.js
2045 ms
jquery.nanoscroller.min.js
2031 ms
jquery.panr.min.js
2009 ms
jquery.parallax.min.js
1996 ms
vivus.min.js
1787 ms
dayjs-index.min.js
1765 ms
dayjs.min.js
1753 ms
dayjs-utc.min.js
1731 ms
dayjs-timezone.min.js
1580 ms
fastclick.min.js
1553 ms
jquery.parallax-scroll.min.js
1605 ms
device.min.js
1671 ms
waypoints.min.js
1553 ms
functions.js
1515 ms
underscore.min.js
1528 ms
wp-util.min.js
1502 ms
add-to-cart-variation.min.js
1557 ms
vc-waypoints.min.js
1505 ms
Group-2.svg
1531 ms
Group-38-min.png
2319 ms
CB1001-R.png
2988 ms
B1057813043.jpg
1530 ms
erlenmeyer-flasks-800x800-1-600x600.jpg
1531 ms
1746.jpg
1649 ms
Biology-1_Poster-Set-Of-Body-Organ-Laminated-uk-600x600.jpg
1649 ms
SAN2095-600x600.jpg
1764 ms
Hand_Crank_Generator_ACDC_Generator_Physics_Faraday_Electromagnetic_Teaching_Instruments_-_Enginediy_2_480x480.webp
1645 ms
shutterstock_chemicals_antoine2k-600x600.jpg
2071 ms
fa-brands-400.woff
2621 ms
Simple-Line-Icons.woff
1947 ms
fa-solid-900.woff
2308 ms
fa-regular-400.woff
2141 ms
basel-font.woff
2213 ms
cxecrt-icon-font.woff
2350 ms
Physics-1_Ballon-600x600.jpg
2013 ms
Physics-2_Bulb-600x600.jpg
2077 ms
woocommerce-placeholder-600x600.png
2124 ms
Lab-Equipment_Filter-Paper-Dia.-12.5cm-600x600.jpg
2145 ms
Lab-Equipment-2_Hot-Plate-Magnetic-Stirrer-come-with-2-Pcs-Of-Magnetic-Bar-%E2%80%98Glhps-G-Korea-600x600.jpg
2218 ms
Microscope_Microscope-Moticam-X3-26-600x600.jpg
2467 ms
Microscope_Microscope-Moticam-X3-27-600x600.jpg
2253 ms
Biology-1_Model-Of-Dicotyledon-Leaf-UK-600x600.jpg
2363 ms
fast.png
2365 ms
vendors.jpg
2463 ms
GeBIZ-300x300.jpg
2465 ms
good.png
2538 ms
Findel-International-Education-Resources-300x106.png
2511 ms
images.png
2350 ms
MTA-300x150.png
2449 ms
sanplatec-300x169-1.png
2463 ms
Group-24.svg
2458 ms
charlestonscientific.com.sg 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
[id] attributes on active, focusable elements are not unique
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
Form elements do not have associated labels
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
charlestonscientific.com.sg 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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
charlestonscientific.com.sg SEO score
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
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 Charlestonscientific.com.sg 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 Charlestonscientific.com.sg 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.
charlestonscientific.com.sg
Open Graph data is detected on the main page of Charleston Scientific. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: