Access cefor.com. Materials Science for a Better Future

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value5,990 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

en-us

297 ms

.autoblock.3a6a366c-9708-4731-9401-9c22440fe68a.js

194 ms

otSDKStub.js

64 ms

a12260aed971158_complete.js

423 ms

launch-23cbd884759b.min.js

50 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Cefor.com, 25% (13 requests) were made to Dynamicmedia.dow.com and 15% (8 requests) were made to S7d9.scene7.com. The less responsive or slowest element that took the longest time to load (720 ms) relates to the external source Dynamicmedia.dow.com.

Content Size

583.3 kB

After Optimization

305.2 kB

In fact, the total size of Cefor.com main page is 583.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. HTML takes 320.7 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 278.1 kB

Original 320.7 kB
After minification 277.2 kB
After compression 42.6 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 43.5 kB, which is 14% 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 278.1 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 154.8 kB
After minification 154.8 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. Cefor images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

Original 107.9 kB
After minification 107.9 kB
After compression 107.9 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.

Requests Now

After Optimization

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cefor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

These are opportunities to improve the legibility of your content.

High

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

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.

High

ARIA IDs are not unique

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cefor.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 Cefor.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

cefor.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Materials Science for a Better Future | Dow Inc.

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

en-us

.autoblock.3a6a366c-9708-4731-9401-9c22440fe68a.js

otSDKStub.js

a12260aed971158_complete.js

launch-23cbd884759b.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

en-us

.autoblock.3a6a366c-9708-4731-9401-9c22440fe68a.js

otSDKStub.js

a12260aed971158_complete.js

launch-23cbd884759b.min.js

clientlib-base.lc-a0a63c0cc45d514e0b699ef19fe8e04c-lc.min.css

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clientlib-site.lc-174e1197afc96052eaf46f70f81600eb-lc.min.css

core.wcm.components.commons.datalayer.v2.lc-1e0136bad0acfb78be509234578e44f9-lc.min.js

core.wcm.components.commons.datalayer.acdl.lc-bf921af342fd2c40139671dbf0920a1f-lc.min.js

jquery.lc-f9e8e8c279baf6a1a278042afe4f395a-lc.min.js

clientlib-dependencies.lc-d2ca455120f58ccd8427b86888727774-lc.min.js

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clientlib-site.lc-679e9ba2de8b00e0b4871dbe5e3b3221-lc.min.js

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clientlib-base.lc-2294b3aa034aeab3b3a192276b881339-lc.min.js

responsive_image.js

3a6a366c-9708-4731-9401-9c22440fe68a.json

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