Tools & Wizards About Us
heliovolt.net screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 38

    SEO

    Google-friendlier than
    18% of websites

heliovolt.net

Green Energy Efficiency Innovations | Environment Saving Technologies

Page Load Speed

7.9 sec in total

First Response

997 ms

Resources Loaded

5.5 sec

Page Rendered

1.4 sec

heliovolt.net screenshot

About Website

Welcome to heliovolt.net homepage info - get ready to check Heliovolt best content right away, or after learning these important things about heliovolt.net

Perfectly balancing the science and miracles of the world, visit our blog Heliovolt to enlighten yourself on various environmental and technological topics. Visit now.

Visit heliovolt.net

Key Findings

We analyzed Heliovolt.net page load time and found that the first response time was 997 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

heliovolt.net performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.0 s

100/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value1,080 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

heliovolt.net

997 ms

style.min.css

213 ms

all.min.css

216 ms

bootstrap.min.css

265 ms

slick.min.css

111 ms

Our browser made a total of 136 requests to load all elements on the main page. We found that 90% of them (123 requests) were addressed to the original Heliovolt.net, 4% (6 requests) were made to 2.gravatar.com and 3% (4 requests) were made to 0.gravatar.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Heliovolt.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 893.9 kB (9%)

Content Size

9.9 MB

After Optimization

9.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Heliovolt.net main page is 9.9 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. Only a small number of websites need less resources to load. Images take 9.2 MB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 471.3 kB

  • Original 501.4 kB
  • After minification 347.1 kB
  • After compression 30.1 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 154.2 kB, which is 31% 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 471.3 kB or 94% of the original size.

Image Optimization

-3%

Potential reduce by 303.3 kB

  • Original 9.2 MB
  • After minification 8.9 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. Heliovolt images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 4.0 kB

  • Original 90.8 kB
  • After minification 90.8 kB
  • After compression 86.8 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

-59%

Potential reduce by 115.3 kB

  • Original 194.7 kB
  • After minification 192.7 kB
  • After compression 79.4 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. Heliovolt.net needs all CSS files to be minified and compressed as it can save up to 115.3 kB or 59% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (15%)

Requests Now

127

After Optimization

108

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heliovolt. 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 from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

heliovolt.net

heliovolt.net

997 ms

style.min.css

style.min.css

213 ms

all.min.css

all.min.css

216 ms

bootstrap.min.css

bootstrap.min.css

265 ms

slick.min.css

slick.min.css

111 ms

jquery.sidr.dark.css

jquery.sidr.dark.css

111 ms

magnific-popup.css

magnific-popup.css

112 ms

css

css

36 ms

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424 ms

jquery.min.js

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272 ms

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169 ms

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650 ms

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52 ms

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593 ms

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594 ms

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596 ms

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536 ms

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jquery.magnific-popup.min.js

492 ms

jquery.matchHeight.min.js

jquery.matchHeight.min.js

490 ms

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jquery.marquee.js

482 ms

imagesloaded.min.js

imagesloaded.min.js

439 ms

masonry.min.js

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438 ms

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453 ms

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984 ms

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982 ms

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980 ms

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981 ms

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984 ms

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982 ms

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884 ms

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884 ms

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885 ms

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885 ms

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884 ms

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885 ms

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884 ms

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887 ms

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445 ms

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Accessibility Review

heliovolt.net accessibility score

84

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 input fields do not have accessible names

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.

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

Document doesn't have a <title> element

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

Best Practices

heliovolt.net 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

SEO Factors

heliovolt.net SEO score

38

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

Document doesn't have a <title> element

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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 Heliovolt.net 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 Heliovolt.net 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

heliovolt.net

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