Tools & Wizards About Us
isc-science.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

isc-science.com

Materiales de referencia certificados | Estándares Isotópicos | ISC Science

Page Load Speed

5.7 sec in total

First Response

322 ms

Resources Loaded

5.1 sec

Page Rendered

317 ms

isc-science.com screenshot

About Website

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 comercializa isótopos estables y compuestos marcados isotópicamente para su uso en análisis por dilución isotópica.

Visit isc-science.com

Key Findings

We analyzed Isc-science.com page load time and found that the first response time was 322 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

isc-science.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value2,010 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

isc-science.com

322 ms

1200 ms

styles.css

204 ms

styles.css

308 ms

cookies-style.css

312 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 97% of them (87 requests) were addressed to the original Isc-science.com, 1% (1 request) were made to Google.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Isc-science.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 148.7 kB (8%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

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. 55% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 130.8 kB

  • Original 160.3 kB
  • After minification 155.2 kB
  • After compression 29.5 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 130.8 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 11.5 kB

  • Original 1.1 MB
  • After minification 1.1 MB

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. ISC Science images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.6 kB

  • Original 549.9 kB
  • After minification 549.9 kB
  • After compression 548.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 4.8 kB

  • Original 95.5 kB
  • After minification 95.5 kB
  • After compression 90.8 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 has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 63 (73%)

Requests Now

86

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 86 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 33 to 1 for JavaScripts and from 32 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

isc-science.com

isc-science.com

322 ms

1200 ms

styles.css

styles.css

204 ms

styles.css

styles.css

308 ms

cookies-style.css

cookies-style.css

312 ms

woocommerce-layout.css

woocommerce-layout.css

306 ms

woocommerce.css

woocommerce.css

309 ms

common.min.css

common.min.css

317 ms

style.min.css

style.min.css

311 ms

style.min.css

style.min.css

417 ms

theme.min.css

theme.min.css

412 ms

header-footer.min.css

header-footer.min.css

418 ms

custom-frontend.min.css

custom-frontend.min.css

414 ms

post-4.css

post-4.css

418 ms

widget-image.min.css

widget-image.min.css

424 ms

custom-pro-widget-nav-menu.min.css

custom-pro-widget-nav-menu.min.css

519 ms

widget-heading.min.css

widget-heading.min.css

518 ms

custom-widget-icon-list.min.css

custom-widget-icon-list.min.css

518 ms

swiper.min.css

swiper.min.css

525 ms

e-swiper.min.css

e-swiper.min.css

523 ms

custom-pro-frontend.min.css

custom-pro-frontend.min.css

526 ms

global.css

global.css

628 ms

widget-text-editor.min.css

widget-text-editor.min.css

621 ms

widget-divider.min.css

widget-divider.min.css

630 ms

widget-loop-builder.min.css

widget-loop-builder.min.css

629 ms

post-2.css

post-2.css

635 ms

post-47.css

post-47.css

634 ms

post-461.css

post-461.css

729 ms

widget-woocommerce.min.css

widget-woocommerce.min.css

836 ms

style.css

style.css

750 ms

custom-visualit-icons.css

custom-visualit-icons.css

737 ms

language-cookie.js

language-cookie.js

737 ms

jquery.min.js

jquery.min.js

748 ms

jquery-migrate.min.js

jquery-migrate.min.js

833 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

890 ms

add-to-cart.min.js

add-to-cart.min.js

889 ms

js.cookie.min.js

js.cookie.min.js

890 ms

api.js

api.js

38 ms

wc-blocks.css

wc-blocks.css

800 ms

rs6.css

rs6.css

739 ms

woocommerce.min.js

woocommerce.min.js

663 ms

hooks.min.js

hooks.min.js

661 ms

i18n.min.js

i18n.min.js

657 ms

index.js

index.js

658 ms

index.js

index.js

674 ms

rbtools.min.js

rbtools.min.js

835 ms

rs6.min.js

rs6.min.js

947 ms

common.min.js

common.min.js

648 ms

hello-frontend.min.js

hello-frontend.min.js

650 ms

jquery.smartmenus.min.js

jquery.smartmenus.min.js

654 ms

imagesloaded.min.js

imagesloaded.min.js

654 ms

cart_widget.min.js

cart_widget.min.js

747 ms

wp-polyfill.min.js

wp-polyfill.min.js

659 ms

index.js

index.js

661 ms

cookies-script.js

cookies-script.js

660 ms

analitica-primera-parte.js

analitica-primera-parte.js

733 ms

cart-fragments.min.js

cart-fragments.min.js

749 ms

webpack-pro.runtime.min.js

webpack-pro.runtime.min.js

756 ms

webpack.runtime.min.js

webpack.runtime.min.js

674 ms

frontend-modules.min.js

frontend-modules.min.js

663 ms

frontend.min.js

frontend.min.js

732 ms

core.min.js

core.min.js

750 ms

frontend.min.js

frontend.min.js

755 ms

elements-handlers.min.js

elements-handlers.min.js

766 ms

gtm.js

gtm.js

111 ms

logo-isc-white.png

logo-isc-white.png

538 ms

dummy.png

dummy.png

601 ms

icon-productos.png

icon-productos.png

603 ms

icon-consultoria.png

icon-consultoria.png

624 ms

icon-aplicaciones.png

icon-aplicaciones.png

630 ms

icon-formacion.png

icon-formacion.png

641 ms

agilent-marca-isc.png

agilent-marca-isc.png

615 ms

savillex-logo-marca-isc.png

savillex-logo-marca-isc.png

681 ms

cpa-marca-isc.png

cpa-marca-isc.png

677 ms

Rectangle-340.jpg

Rectangle-340.jpg

795 ms

Satoshi-Variable.ttf

Satoshi-Variable.ttf

894 ms

custom-visualit-icons.woff

custom-visualit-icons.woff

647 ms

Rectangle-342.jpg

Rectangle-342.jpg

644 ms

Rectangle-338.jpg

Rectangle-338.jpg

708 ms

Rectangle-318.jpg

Rectangle-318.jpg

713 ms

logo_isc.png

logo_isc.png

731 ms

logos_linkedin.png

logos_linkedin.png

729 ms

agilent-bg-isc.png

agilent-bg-isc.png

815 ms

savillex-bg-marca-isc.png

savillex-bg-marca-isc.png

818 ms

cpa-bg-marca-isc.png

cpa-bg-marca-isc.png

1016 ms

recaptcha__en.js

recaptcha__en.js

24 ms

fondo-pintura-burbujas-azul-marino-estilo-bricolaje-1-1.png

fondo-pintura-burbujas-azul-marino-estilo-bricolaje-1-1.png

1040 ms

fondo-pintura-burbujas-azul-marino-estilo-bricolaje-3.png

fondo-pintura-burbujas-azul-marino-estilo-bricolaje-3.png

751 ms

1100 ms

woocommerce-smallscreen.css

woocommerce-smallscreen.css

107 ms

Accessibility Review

isc-science.com accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

Links do not have a discernible name

Best Practices

isc-science.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

isc-science.com SEO score

99

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    ES

  • Encoding

    UTF-8

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 Spanish 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 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.

Social Sharing Optimization

isc-science.com

Open Graph data is detected on the main page of ISC Science. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: