Tools & Wizards About Us
dnp.chemnetbase.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

dnp.chemnetbase.com

CHEMnetBASE

Page Load Speed

1.4 sec in total

First Response

55 ms

Resources Loaded

1.2 sec

Page Rendered

137 ms

dnp.chemnetbase.com screenshot

About Website

Visit dnp.chemnetbase.com now to see the best up-to-date Dnp CHEMnetBASE content for United States and also check out these interesting facts you probably never knew about dnp.chemnetbase.com

Visit dnp.chemnetbase.com

Key Findings

We analyzed Dnp.chemnetbase.com page load time and found that the first response time was 55 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 30% of websites can load faster.

Performance Metrics

dnp.chemnetbase.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value4,340 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

Network Requests Diagram

dnp.chemnetbase.com

55 ms

ChemicalSearch.xhtml

81 ms

theme.css.xhtml

60 ms

primeicons.css.xhtml

45 ms

primeicons.css.xhtml

42 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 94% of them (45 requests) were addressed to the original Dnp.chemnetbase.com, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (283 ms) belongs to the original domain Dnp.chemnetbase.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 249.0 kB (55%)

Content Size

454.5 kB

After Optimization

205.5 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Dnp.chemnetbase.com main page is 454.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. HTML takes 286.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 247.4 kB

  • Original 286.1 kB
  • After minification 286.0 kB
  • After compression 38.7 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. 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 247.4 kB or 86% of the original size.

JavaScript Optimization

-1%

Potential reduce by 1.6 kB

  • Original 167.5 kB
  • After minification 167.5 kB
  • After compression 165.9 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.

CSS Optimization

-3%

Potential reduce by 26 B

  • Original 897 B
  • After minification 897 B
  • After compression 871 B

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. Dnp.chemnetbase.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (80%)

Requests Now

41

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dnp CHEMnetBASE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dnp.chemnetbase.com

dnp.chemnetbase.com

55 ms

ChemicalSearch.xhtml

ChemicalSearch.xhtml

81 ms

theme.css.xhtml

theme.css.xhtml

60 ms

primeicons.css.xhtml

primeicons.css.xhtml

45 ms

primeicons.css.xhtml

primeicons.css.xhtml

42 ms

primeflex.min.css.xhtml

primeflex.min.css.xhtml

53 ms

demo.css.xhtml

demo.css.xhtml

42 ms

layout-dnp.css.xhtml

layout-dnp.css.xhtml

72 ms

primeflex.min.css.xhtml

primeflex.min.css.xhtml

76 ms

cnb_styles.css.xhtml

cnb_styles.css.xhtml

69 ms

components.css.xhtml

components.css.xhtml

97 ms

jquery.js.xhtml

jquery.js.xhtml

95 ms

core.js.xhtml

core.js.xhtml

136 ms

components.js.xhtml

components.js.xhtml

151 ms

jquery-plugins.js.xhtml

jquery-plugins.js.xhtml

170 ms

touchswipe.js.xhtml

touchswipe.js.xhtml

143 ms

scrollpanel.css.xhtml

scrollpanel.css.xhtml

144 ms

scrollpanel.js.xhtml

scrollpanel.js.xhtml

146 ms

fileupload.css.xhtml

fileupload.css.xhtml

147 ms

fileupload.js.xhtml

fileupload.js.xhtml

147 ms

prism.js.xhtml

prism.js.xhtml

208 ms

layout.js.xhtml

layout.js.xhtml

215 ms

printer.js.xhtml

printer.js.xhtml

207 ms

all.js.xhtml

all.js.xhtml

219 ms

tinymce.min.js

tinymce.min.js

217 ms

jquery.tinymce.min.js

jquery.tinymce.min.js

215 ms

github.css

github.css

283 ms

rainbow-custom.min.js

rainbow-custom.min.js

279 ms

promise-1.0.0.min.js

promise-1.0.0.min.js

215 ms

marvinjslauncher.js

marvinjslauncher.js

281 ms

jsf.js.xhtml

jsf.js.xhtml

262 ms

email-decode.min.js

email-decode.min.js

188 ms

analytics.js

analytics.js

118 ms

gtm.js

gtm.js

151 ms

logo-white.png.xhtml

logo-white.png.xhtml

85 ms

logo-black.png.xhtml

logo-black.png.xhtml

119 ms

tfgroup-logo.svg.xhtml

tfgroup-logo.svg.xhtml

88 ms

cabin-v12-latin-regular.woff.xhtml

cabin-v12-latin-regular.woff.xhtml

32 ms

cabin-v12-latin-500.woff.xhtml

cabin-v12-latin-500.woff.xhtml

33 ms

cabin-v12-latin-700.woff.xhtml

cabin-v12-latin-700.woff.xhtml

33 ms

primeicons.ttf.xhtml

primeicons.ttf.xhtml

66 ms

primeicons.ttf.xhtml

primeicons.ttf.xhtml

67 ms

collect

collect

23 ms

editor.html

editor.html

40 ms

marvinpack.html

marvinpack.html

24 ms

editor.min.css

editor.min.css

22 ms

gui.nocache.js

gui.nocache.js

130 ms

main.js

main.js

10 ms

Accessibility Review

dnp.chemnetbase.com accessibility score

72

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

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

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

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

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

dnp.chemnetbase.com best practices score

75

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

dnp.chemnetbase.com SEO score

77

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

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 Dnp.chemnetbase.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 Dnp.chemnetbase.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

dnp.chemnetbase.com

Open Graph description is not detected on the main page of Dnp CHEMnetBASE. 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: