Tools & Wizards About Us
energystorageday.org screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

energystorageday.org

World Energy Storage Day | Virtual Global Conference & Expo 2023

Page Load Speed

21.9 sec in total

First Response

1.7 sec

Resources Loaded

11.9 sec

Page Rendered

8.3 sec

energystorageday.org screenshot

About Website

Visit energystorageday.org now to see the best up-to-date Energy Storage Day content and also check out these interesting facts you probably never knew about energystorageday.org

Cutting-edge energy storage technologies & international insights. Don't miss this WESD 2023 event shaping the future of energy. Register! Limited Seats Available.

Visit energystorageday.org

Key Findings

We analyzed Energystorageday.org page load time and found that the first response time was 1.7 sec and then it took 20.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

energystorageday.org performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value26.8 s

0/100

10%

TBT (Total Blocking Time)

Value9,340 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value46.7 s

0/100

10%

Network Requests Diagram

www.energystorageday.org

1710 ms

frontend.css

233 ms

style.min.css

460 ms

theme.min.css

688 ms

frontend-lite.min.css

730 ms

Our browser made a total of 175 requests to load all elements on the main page. We found that 86% of them (151 requests) were addressed to the original Energystorageday.org, 10% (17 requests) were made to Fonts.gstatic.com and 1% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Energystorageday.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 186.5 kB (4%)

Content Size

4.4 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Energystorageday.org main page is 4.4 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. 75% 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. Images take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 185.2 kB

  • Original 210.8 kB
  • After minification 204.6 kB
  • After compression 25.7 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 185.2 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 141 B

  • Original 4.0 MB
  • After minification 4.0 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. Energy Storage Day images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 414 B

  • Original 172.1 kB
  • After minification 172.1 kB
  • After compression 171.7 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

-1%

Potential reduce by 782 B

  • Original 101.6 kB
  • After minification 101.6 kB
  • After compression 100.8 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. Energystorageday.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 47 (30%)

Requests Now

155

After Optimization

108

  • Images
  • JavaScript
  • CSS

The browser has sent 155 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Energy Storage Day. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.energystorageday.org

www.energystorageday.org

1710 ms

frontend.css

frontend.css

233 ms

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style.min.css

460 ms

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theme.min.css

688 ms

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frontend-lite.min.css

730 ms

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724 ms

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738 ms

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170 ms

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Accessibility Review

energystorageday.org accessibility score

80

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

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

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

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

energystorageday.org 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

energystorageday.org SEO score

97

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

energystorageday.org

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