5.6 sec in total
335 ms
5.1 sec
238 ms
Visit isc-science.com now to see the best up-to-date ISC Science content and also check out these interesting facts you probably never knew about isc-science.com
ISC SCIENCE is a certified reference material producer. ISC-Science producesisotopic standards of stable elemental isotopes and isotopically enriched compounds for Isotope Dilution and ICP-MS and/or G...
Visit isc-science.comWe analyzed Isc-science.com page load time and found that the first response time was 335 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
isc-science.com performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value10.2 s
0/100
25%
Value8.1 s
21/100
10%
Value310 ms
78/100
30%
Value0.522
15/100
15%
Value10.9 s
21/100
10%
335 ms
392 ms
192 ms
377 ms
393 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 72% of them (42 requests) were addressed to the original Isc-science.com, 12% (7 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Isc-science.com.
Page size can be reduced by 527.7 kB (28%)
1.9 MB
1.3 MB
In fact, the total size of Isc-science.com main page is 1.9 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. 45% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 21.0 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 21.0 kB or 75% of the original size.
Potential reduce by 196.8 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. Obviously, ISC Science needs image optimization as it can save up to 196.8 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 188.2 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 188.2 kB or 36% of the original size.
Potential reduce by 121.8 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. Isc-science.com needs all CSS files to be minified and compressed as it can save up to 121.8 kB or 81% of the original size.
Number of requests can be reduced by 25 (56%)
45
20
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ISC Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
isc-science.com
335 ms
isc-science.com
392 ms
apartado.asp
192 ms
apartado.asp
377 ms
portada_155_1_ap.html
393 ms
jquery.min.js
25 ms
mensajes.js
205 ms
galleria-1.2.7.js
405 ms
galleria.esencia.js
409 ms
jquery.prettyPhoto.js
534 ms
slick.min.js
591 ms
tooltipster.js
416 ms
functional.css
589 ms
flowplayer.min.js
596 ms
cookiesdirective.js
502 ms
cookies-load.js
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font-awesome.css
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css
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estilos.css
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heditor.css
636 ms
estilos.asp
707 ms
prettyPhoto.css
707 ms
api.js
45 ms
galleria.esencia.css
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galleria.esencia.css
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esencia.js
97 ms
esencia-load.js
104 ms
recaptcha__en.js
101 ms
analytics.js
86 ms
logo_iscscience.png
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logo_isc_responsive.png
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ico_linkedin.png
150 ms
fnd_rotacion.jpg
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imagen.asp
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68 ms
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estilosprint.css
97 ms
isc-science.com accessibility score
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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
isc-science.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
isc-science.com SEO score
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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Isc-science.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 Isc-science.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.
isc-science.com
Open Graph description is not detected on the main page of ISC Science. 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: