4.1 sec in total
431 ms
3.3 sec
303 ms
Welcome to thesciencesource.com homepage info - get ready to check The Science Source best content right away, or after learning these important things about thesciencesource.com
Science Experiment & project kits: Human anatomy model and science experiment kits, science project kits are available on Science First. Call for your science supply needs like human anatomy model etc
Visit thesciencesource.comWe analyzed Thesciencesource.com page load time and found that the first response time was 431 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.
thesciencesource.com performance score
name
value
score
weighting
Value7.6 s
0/100
10%
Value13.4 s
0/100
25%
Value8.9 s
15/100
10%
Value260 ms
83/100
30%
Value0.134
80/100
15%
Value10.6 s
23/100
10%
431 ms
70 ms
129 ms
127 ms
190 ms
Our browser made a total of 107 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Thesciencesource.com, 4% (4 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Cdn.loginradius.com. The less responsive or slowest element that took the longest time to load (554 ms) relates to the external source Shop.sciencefirst.com.
Page size can be reduced by 742.9 kB (31%)
2.4 MB
1.6 MB
In fact, the total size of Thesciencesource.com 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. 65% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 143.3 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 143.3 kB or 79% of the original size.
Potential reduce by 13.8 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. The Science Source images are well optimized though.
Potential reduce by 288.4 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 288.4 kB or 67% of the original size.
Potential reduce by 297.5 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. Thesciencesource.com needs all CSS files to be minified and compressed as it can save up to 297.5 kB or 77% of the original size.
Number of requests can be reduced by 67 (68%)
99
32
The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of The Science Source. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 35 to 1 for CSS and as a result speed up the page load time.
shop.sciencefirst.com
431 ms
bootstrap.min.css
70 ms
font.css
129 ms
grid_prestashop.css
127 ms
global.css
190 ms
blockpaymentlogo.css
209 ms
blockbestsellers.css
126 ms
blockpermanentlinks.css
132 ms
blockviewed.css
195 ms
blockcart.css
196 ms
blockcontact.css
194 ms
blockmyaccount.css
273 ms
blockcategories.css
253 ms
blockspecials.css
254 ms
blockcurrencies.css
253 ms
blockmyaccount.css
254 ms
blocknewproducts.css
271 ms
blockuserinfo.css
316 ms
blocklanguages.css
317 ms
blockcms.css
316 ms
blocktags.css
318 ms
blockstore.css
333 ms
product_list.css
335 ms
blocksearch.css
379 ms
blockcontactinfos.css
378 ms
homefeatured.css
379 ms
blocknewsletter.css
379 ms
blocklink.css
396 ms
nivo-slider.css
397 ms
hooks.css
444 ms
productcomments.css
443 ms
front.css
443 ms
superfish-modified.css
441 ms
responsive.css
460 ms
css
36 ms
jquery-1.7.2.min.js
524 ms
jquery-migrate-1.2.1.js
506 ms
LoginRadius.js
253 ms
ups.css
503 ms
jquery.easing.js
431 ms
tools.js
387 ms
ajax-cart.js
414 ms
treeManagement.js
446 ms
jquery.nivo.slider.pack.js
446 ms
jquery.validate-creditcard.js
382 ms
sharinginterface.js
383 ms
jquery.price_format.1.7.js
398 ms
hoverIntent.js
400 ms
superfish-modified.js
431 ms
bootstrap.min.js
388 ms
mainscript.js
388 ms
jquery.core-ui-select.js
387 ms
jquery.scrollpane.js
403 ms
jquery.uniform.js
388 ms
plugins.js
431 ms
footable.js
388 ms
jquery.mousewheel.js
388 ms
jquery.carouFredSel-6.2.1.js
387 ms
jquery.touchSwipe.min.js
402 ms
ups-preview.js
388 ms
statesManagement.js
429 ms
LoginRadius.js
400 ms
LoginRadius.js
92 ms
style.css
19 ms
shareTrackClient.min.js
73 ms
analytics.js
43 ms
bg-main.jpg
142 ms
header-logos-sf.png
362 ms
header-logos-wildco.png
368 ms
header-logos-starlab.png
373 ms
header-logos-sealife.png
374 ms
logo-1.jpg
174 ms
2b060f4744577f5c549e5d23a5f40c78.jpg
493 ms
home-slider-2-56-28.jpg
309 ms
home-slider-1-16-08.jpg
368 ms
4a89d79cc3a67809a07078d9070975e2.jpg
371 ms
4aad8fb9ecf4af81c1f94a69e543bdd6.jpg
365 ms
76789aeba81dcb58292af8fdb572d270.jpg
483 ms
d6a3f122c7f20cb3f84a6bb23336a9e7.jpg
436 ms
basic-stereo-microscope-one-light.jpg
428 ms
health-and-harmony-kit.jpg
431 ms
sunspotter.jpg
434 ms
blue-planet-globe.jpg
493 ms
forensic-bullet.jpg
495 ms
em-apparatus-with-power-supply.jpg
499 ms
3dfb86c55a3fa5e6ce5cb82a0ef980cc.jpg
499 ms
0e6d1665351bc0a04a60e37f01632f56.jpg
545 ms
306f04e2b852f10ccc8ca7f3f9fe00e8.jpg
554 ms
bg-column.gif
525 ms
fontawesome-webfont.woff
527 ms
d-6IYplOFocCacKzxwXSOD8E0i7KZn-EPnyo3HZu7kw.woff
100 ms
RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff
101 ms
2UX7WLTfW3W8TclTUvlFyQ.woff
139 ms
Hgo13k-tfSpn0qi1SFdUfT8E0i7KZn-EPnyo3HZu7kw.woff
153 ms
collect
131 ms
loading.gif
518 ms
logo.png
65 ms
all.js
59 ms
pinit.js
60 ms
platform.js
140 ms
b110e6cb-45a3-4d5c-8a11-fbae72ccffe3.json
56 ms
LoginRadiusPopup.css
14 ms
52 ms
pinit_main.js
14 ms
0sTQzbapM8j.js
22 ms
0sTQzbapM8j.js
26 ms
ping
33 ms
thesciencesource.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
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
Image elements do not have [alt] attributes
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.
thesciencesource.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
thesciencesource.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 Thesciencesource.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 Thesciencesource.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.
thesciencesource.com
Open Graph description is not detected on the main page of The Science Source. 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: