1.6 sec in total
213 ms
1.2 sec
182 ms
Click here to check amazing Isotope content for Iran. Otherwise, check out these important facts you probably never knew about isotope.com
Cambridge Isotope Laboratories, Inc. (CIL) is the world’s leading producer of stable isotopes and stable isotope-labeled compounds. CIL specializes in the process of labeling biochemical and organic c...
Visit isotope.comWe analyzed Isotope.com page load time and found that the first response time was 213 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.
isotope.com performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value7.4 s
4/100
25%
Value5.1 s
61/100
10%
Value180 ms
92/100
30%
Value0.584
11/100
15%
Value8.0 s
42/100
10%
213 ms
142 ms
163 ms
135 ms
106 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 90% of them (63 requests) were addressed to the original Isotope.com, 4% (3 requests) were made to Google-analytics.com and 1% (1 request) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (507 ms) belongs to the original domain Isotope.com.
Page size can be reduced by 1.2 MB (39%)
3.0 MB
1.8 MB
In fact, the total size of Isotope.com main page is 3.0 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. 35% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 47.7 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. This page needs HTML code to be minified as it can gain 10.7 kB, which is 19% 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 47.7 kB or 83% of the original size.
Potential reduce by 22.2 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. Isotope images are well optimized though.
Potential reduce by 922.3 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 922.3 kB or 73% of the original size.
Potential reduce by 188.2 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. Isotope.com needs all CSS files to be minified and compressed as it can save up to 188.2 kB or 86% of the original size.
Number of requests can be reduced by 40 (59%)
68
28
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isotope. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
www.isotope.com
213 ms
cfmessage.js
142 ms
cfajax.js
163 ms
cfform.js
135 ms
masks.js
106 ms
cfformhistory.js
79 ms
yahoo-dom-event.js
194 ms
animation-min.js
168 ms
ext-yui-adapter.js
137 ms
ext-all.js
507 ms
cfwindow.js
167 ms
ext-all.css
255 ms
cf.css
170 ms
font-awesome.min.css
32 ms
Surveystyle.css
181 ms
style.css
181 ms
styleBfs.css
197 ms
javascript.js
198 ms
jquery.min1.js
264 ms
slides.min.jquery.js
208 ms
jquery.js
344 ms
jquery.tools.min.js
292 ms
overlay-apple.css
235 ms
jquery-1.10.2.min.js
4 ms
dropdowns.js
178 ms
responsivetabs.js
183 ms
analytics.js
15 ms
bg_body.gif
71 ms
overlay_whiteTall.png
65 ms
overlay_whiteVid.png
62 ms
bg_head.jpg
63 ms
top_arrow.gif
63 ms
searchButtonArrow.gif
64 ms
closeSearch.gif
65 ms
bg_navigation.gif
64 ms
bg_menu.gif
74 ms
bg_menu_li.gif
76 ms
bg_subnav.png
75 ms
sub_dot.gif
75 ms
has_childs.gif
84 ms
slider1.jpg
122 ms
CIL-Welcome.jpg
109 ms
bg_minus.gif
90 ms
more_blue.png
108 ms
slider2.jpg
134 ms
2016_NMR_is_good_carousel_2.jpg
210 ms
slider3.jpg
151 ms
MRM-header4.jpg
172 ms
new%20environmental%20catalog%20carousel.jpg
259 ms
slider5.jpg
183 ms
series_2_NuclearMedicine.jpg
194 ms
slider6.jpg
211 ms
cGMP%20carousel.jpg
287 ms
slider7.jpg
240 ms
General-Research.jpg
225 ms
bg_pagination.png
240 ms
bg_slider_nav.gif
241 ms
bg_home_con.gif
255 ms
quality-standards-graphic(2).jpg
273 ms
icon_in.gif
273 ms
icon_twitter.png
273 ms
icon-facebook.png
282 ms
icon-google-plus.gif
286 ms
visitor.gif
158 ms
CIL-Welcome.jpg
248 ms
loading.gif
247 ms
bg_slider_active.png
243 ms
ecommerce.js
8 ms
collect
11 ms
collect
61 ms
isotope.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
Links do not have a discernible name
isotope.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
isotope.com 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
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Isotope.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 Isotope.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
isotope.com
Open Graph description is not detected on the main page of Isotope. 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: