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info.knovel.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

info.knovel.com

Engineering information and data analytics - Knovel | Elsevier Solutions

Page Load Speed

4.7 sec in total

First Response

502 ms

Resources Loaded

3.2 sec

Page Rendered

927 ms

info.knovel.com screenshot

About Website

Click here to check amazing Info Knovel content for United Kingdom. Otherwise, check out these important facts you probably never knew about info.knovel.com

Knovel is an engineering decision support solution that helps engineers solve complex problems efficiently to enhance business performance

Visit info.knovel.com

Key Findings

We analyzed Info.knovel.com page load time and found that the first response time was 502 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

info.knovel.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

1/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value8,660 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

knovel-engineering-information

502 ms

otSDKStub.js

111 ms

matrix.css

324 ms

foundation_and_jquery.min.js

320 ms

scripts-top.js

319 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Info.knovel.com, 41% (20 requests) were made to Elsevier.com and 6% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Elsevier.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.5 kB (11%)

Content Size

832.5 kB

After Optimization

738.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Info.knovel.com main page is 832.5 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. 55% of websites need less resources to load. Images take 636.7 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 94.0 kB

  • Original 139.8 kB
  • After minification 115.1 kB
  • After compression 45.8 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 24.7 kB, which is 18% 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 94.0 kB or 67% of the original size.

Image Optimization

-0%

Potential reduce by 397 B

  • Original 636.7 kB
  • After minification 636.3 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. Info Knovel images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 106 B

  • Original 11.4 kB
  • After minification 11.4 kB
  • After compression 11.3 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

-0%

Potential reduce by 0 B

  • Original 44.5 kB
  • After minification 44.5 kB
  • After compression 44.5 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. Info.knovel.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (43%)

Requests Now

42

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Info Knovel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

knovel-engineering-information

knovel-engineering-information

502 ms

otSDKStub.js

otSDKStub.js

111 ms

matrix.css

matrix.css

324 ms

foundation_and_jquery.min.js

foundation_and_jquery.min.js

320 ms

scripts-top.js

scripts-top.js

319 ms

content-slider.5959dc6b383dfe926ab7.css

content-slider.5959dc6b383dfe926ab7.css

524 ms

scripts-bottom.js

scripts-bottom.js

344 ms

cbd396aa-1ada-4972-b316-05647c6e453e.json

cbd396aa-1ada-4972-b316-05647c6e453e.json

58 ms

gtm.js

gtm.js

420 ms

Knovel-infosite-hero-banner.jpg

Knovel-infosite-hero-banner.jpg

1218 ms

icon-social-facebook.svg

icon-social-facebook.svg

216 ms

icon-social-linkedin.svg

icon-social-linkedin.svg

214 ms

icon-social-twitter.svg

icon-social-twitter.svg

403 ms

icon-social-youtube.svg

icon-social-youtube.svg

400 ms

icon-social-facebook-footer.svg

icon-social-facebook-footer.svg

404 ms

icon-social-linkedin-footer.svg

icon-social-linkedin-footer.svg

398 ms

icon-social-twitter-footer.svg

icon-social-twitter-footer.svg

399 ms

icon-social-youtube-footer.svg

icon-social-youtube-footer.svg

397 ms

logo-elsevier-wordmark.svg

logo-elsevier-wordmark.svg

406 ms

logo-relxgroup.svg

logo-relxgroup.svg

404 ms

material-property-search.png

material-property-search.png

649 ms

0257-knowledge-exchange.svg

0257-knowledge-exchange.svg

488 ms

0016-demonstrate-impact.svg

0016-demonstrate-impact.svg

590 ms

0089-ease-of-use-flexibility.svg

0089-ease-of-use-flexibility.svg

588 ms

Knovel-homepage.png

Knovel-homepage.png

1391 ms

Knovel-search-facet.png

Knovel-search-facet.png

1594 ms

Knovel-material-property-search.png

Knovel-material-property-search.png

1154 ms

Knovel-browse.png

Knovel-browse.png

1221 ms

Knovel-graph.png

Knovel-graph.png

1291 ms

Knovel-table.png

Knovel-table.png

2079 ms

Knovel-corrosion-comp.png

Knovel-corrosion-comp.png

1642 ms

Knovel-unit-converter.png

Knovel-unit-converter.png

1577 ms

solar-panel_70px.svg

solar-panel_70px.svg

1628 ms

fan_70px.svg

fan_70px.svg

1693 ms

drop_70px.svg

drop_70px.svg

1904 ms

leaf_70px.svg

leaf_70px.svg

1915 ms

world_70px.svg

world_70px.svg

1912 ms

knovel-logo.png

knovel-logo.png

1774 ms

location

location

351 ms

otBannerSdk.js

otBannerSdk.js

90 ms

nexussanswebpro-regular.woff

nexussanswebpro-regular.woff

83 ms

nexussanswebpro-bold.woff

nexussanswebpro-bold.woff

84 ms

ss-gizmo-webfont.woff

ss-gizmo-webfont.woff

82 ms

elsevierdisplay_light.woff

elsevierdisplay_light.woff

84 ms

nexussanswebpro-italic.woff

nexussanswebpro-italic.woff

84 ms

nexussanswebpro-bolditalic.woff

nexussanswebpro-bolditalic.woff

84 ms

content-slider.5959dc6b383dfe926ab7.js

content-slider.5959dc6b383dfe926ab7.js

249 ms

account

account

703 ms

in-page-links.js

in-page-links.js

69 ms

Accessibility Review

info.knovel.com accessibility score

86

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

High

[role]s are not contained by their required parent element

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

info.knovel.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

info.knovel.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Info.knovel.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 Info.knovel.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

info.knovel.com

Open Graph description is not detected on the main page of Info Knovel. 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: