Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

swellenergy.com

Solar, Storage, and VPP - Home Energy Systems - Swell Energy

Page Load Speed

929 ms in total

First Response

43 ms

Resources Loaded

455 ms

Page Rendered

431 ms

swellenergy.com screenshot

About Website

Visit swellenergy.com now to see the best up-to-date Swell Energy content for United States and also check out these interesting facts you probably never knew about swellenergy.com

Swell Energy is building a greater grid for the greater good. Take control of your energy with solar, energy storage, and our virtual power plant (VPP) programs.

Visit swellenergy.com

Key Findings

We analyzed Swellenergy.com page load time and found that the first response time was 43 ms and then it took 886 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

swellenergy.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.6 s

58/100

10%

Network Requests Diagram

swellenergy.com

43 ms

swellenergy.com

98 ms

analytics.js

67 ms

swell_hero_design_v1-1-min.png

174 ms

down_arrow_hover.svg

124 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 46% of them (12 requests) were addressed to the original Swellenergy.com, 35% (9 requests) were made to A.storyblok.com and 12% (3 requests) were made to Seal-sanjose.bbb.org. The less responsive or slowest element that took the longest time to load (252 ms) belongs to the original domain Swellenergy.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 205.2 kB (11%)

Content Size

1.9 MB

After Optimization

1.7 MB

In fact, the total size of Swellenergy.com main page is 1.9 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. 55% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 196.8 kB

  • Original 238.1 kB
  • After minification 238.1 kB
  • After compression 41.3 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 196.8 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 7.2 kB

  • Original 1.4 MB
  • After minification 1.4 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. Swell Energy images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.3 kB

  • Original 341.5 kB
  • After minification 341.4 kB
  • After compression 340.3 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.

Requests Breakdown

Number of requests can be reduced by 10 (45%)

Requests Now

22

After Optimization

12

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swell Energy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

swellenergy.com accessibility score

98

Accessibility Issues

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.

Best Practices

swellenergy.com best practices score

92

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

Page has valid source maps

SEO Factors

swellenergy.com SEO score

83

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

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

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 Swellenergy.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 Swellenergy.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

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