1.6 sec in total
306 ms
1.1 sec
187 ms
Click here to check amazing Science Supply content for United States. Otherwise, check out these important facts you probably never knew about science-supply.com
The leading online store for microscopes and microscope accessories for school and home.
Visit science-supply.comWe analyzed Science-supply.com page load time and found that the first response time was 306 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
science-supply.com performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value8.7 s
1/100
25%
Value6.1 s
45/100
10%
Value140 ms
96/100
30%
Value0.308
38/100
15%
Value9.0 s
34/100
10%
306 ms
51 ms
99 ms
201 ms
161 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 77% of them (60 requests) were addressed to the original Science-supply.com, 9% (7 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (457 ms) belongs to the original domain Science-supply.com.
Page size can be reduced by 1.0 MB (57%)
1.8 MB
749.5 kB
In fact, the total size of Science-supply.com main page is 1.8 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. 60% of websites need less resources to load. Javascripts take 702.7 kB which makes up the majority of the site volume.
Potential reduce by 42.7 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 42.7 kB or 83% of the original size.
Potential reduce by 83.3 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, Science Supply needs image optimization as it can save up to 83.3 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 530.6 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 530.6 kB or 76% of the original size.
Potential reduce by 347.0 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. Science-supply.com needs all CSS files to be minified and compressed as it can save up to 347.0 kB or 87% of the original size.
Number of requests can be reduced by 31 (45%)
69
38
The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Supply. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
science-supply.com
306 ms
styles.css
51 ms
click.css
99 ms
style.css
201 ms
custom.css
161 ms
owl.carousel.css
111 ms
jquery.bxslider.css
114 ms
prototype.js
401 ms
ccard.js
144 ms
validation.js
221 ms
builder.js
171 ms
effects.js
239 ms
dragdrop.js
220 ms
controls.js
278 ms
slider.js
246 ms
js.js
264 ms
form.js
274 ms
translate.js
288 ms
cookies.js
295 ms
popup.js
317 ms
jquery.min.js
383 ms
jquery.noconflict.js
332 ms
click2click.js
336 ms
script.js
441 ms
owl.carousel.js
369 ms
jquery.bxslider.js
457 ms
jquery.colorbox-min.js
384 ms
custom.js
430 ms
css
24 ms
css
36 ms
ga.js
23 ms
fbevents.js
127 ms
cart-icon.jpg
56 ms
cart-arrow.png
55 ms
search-icon.jpg
66 ms
logo.gif
66 ms
science-supply-icon.png
119 ms
science-supply-banner-img.png
66 ms
free-shipping-icon.png
120 ms
SS-Cameras-and-Handhelds_1.jpg
121 ms
CordlessLED-Microscope_S01-0102.jpg
121 ms
Motic-Bundle-Tablet_1.jpg
123 ms
slider3.jpg
227 ms
S01-0102.jpg
134 ms
resource-img.jpg
149 ms
logo-grey.png
148 ms
Swift-1.png
161 ms
Motic_Logo.png
171 ms
Natllogo3.png
201 ms
scicnec-logo.png
196 ms
quote-icon.png
198 ms
footer-payment.png
216 ms
email-icon.jpg
215 ms
request-quote-icon.jpg
234 ms
top-navi-arrow.png
236 ms
navi-arrow.png
256 ms
banner-arrow.png
255 ms
home-subs-btn.png
269 ms
cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
38 ms
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38 ms
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17 ms
newsletter-btn.png
231 ms
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gk5FxslNkTTHtojXrkp-xD1GzwQ5qF9DNzkQQVRhJ4g.ttf
7 ms
footer-social.png
236 ms
collect
76 ms
70b052afead339589adf524a53fa36c8.js
42 ms
slider-arrow.png
204 ms
banner-bg.jpg
220 ms
bx_loader.gif
221 ms
home-slider-arrow.png
222 ms
98 ms
4337c9ba661fddcd9cf844b99f5b8fe360528bbc.js
12 ms
119 ms
138 ms
science-supply.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.
ARIA
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.
Impact
Issue
ARIA IDs are not unique
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
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.
science-supply.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
science-supply.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
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Science-supply.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Science-supply.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.
science-supply.com
Open Graph description is not detected on the main page of Science Supply. 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: