Tools & Wizards About Us
solarstack.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

solarstack.com

Home | Noninvasive Solar Panel Mounting | Solar Stack

Page Load Speed

3.2 sec in total

First Response

120 ms

Resources Loaded

2.6 sec

Page Rendered

423 ms

solarstack.com screenshot

About Website

Welcome to solarstack.com homepage info - get ready to check Solar Stack best content right away, or after learning these important things about solarstack.com

Solar Stack is the only noninvasive solar panel mounting technology. Install solar panels without damaging your roof with Solar Stack.

Visit solarstack.com

Key Findings

We analyzed Solarstack.com page load time and found that the first response time was 120 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

solarstack.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value23.2 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value3,750 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value22.1 s

1/100

10%

Network Requests Diagram

solarstack.com

120 ms

solarstack.com

311 ms

fbevents.js

61 ms

analytics.js

122 ms

js_composer.min.css

95 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 53% of them (43 requests) were addressed to the original Solarstack.com, 6% (5 requests) were made to Google-analytics.com and 6% (5 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (710 ms) belongs to the original domain Solarstack.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 143.8 kB (19%)

Content Size

738.6 kB

After Optimization

594.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Solarstack.com main page is 738.6 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. Only a small number of websites need less resources to load. Javascripts take 422.5 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 125.2 kB

  • Original 159.3 kB
  • After minification 156.3 kB
  • After compression 34.1 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. 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 125.2 kB or 79% of the original size.

Image Optimization

-18%

Potential reduce by 14.9 kB

  • Original 82.1 kB
  • After minification 67.2 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. Obviously, Solar Stack needs image optimization as it can save up to 14.9 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.7 kB

  • Original 422.5 kB
  • After minification 422.5 kB
  • After compression 418.8 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

-0%

Potential reduce by 58 B

  • Original 74.7 kB
  • After minification 74.7 kB
  • After compression 74.6 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. Solarstack.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 58 (81%)

Requests Now

72

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Solar Stack. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

solarstack.com

solarstack.com

120 ms

solarstack.com

solarstack.com

311 ms

fbevents.js

fbevents.js

61 ms

analytics.js

analytics.js

122 ms

js_composer.min.css

js_composer.min.css

95 ms

style.min.css

style.min.css

162 ms

css

css

144 ms

foobox.free.min.css

foobox.free.min.css

215 ms

rs6.css

rs6.css

210 ms

style.css

style.css

261 ms

default-at-style.css

default-at-style.css

202 ms

style.css

style.css

213 ms

wpex-visual-composer.css

wpex-visual-composer.css

207 ms

wpex-visual-composer-extend.css

wpex-visual-composer-extend.css

273 ms

pum-site-styles.css

pum-site-styles.css

281 ms

formreset.min.css

formreset.min.css

283 ms

formsmain.min.css

formsmain.min.css

277 ms

readyclass.min.css

readyclass.min.css

275 ms

browsers.min.css

browsers.min.css

321 ms

wpex-gravity-forms.css

wpex-gravity-forms.css

319 ms

wpex-responsive.css

wpex-responsive.css

321 ms

main.min-1.15.1.css

main.min-1.15.1.css

330 ms

jquery.min.js

jquery.min.js

340 ms

jquery-migrate.min.js

jquery-migrate.min.js

324 ms

default-at-custom.js

default-at-custom.js

386 ms

frontend.min.js

frontend.min.js

386 ms

rbtools.min.js

rbtools.min.js

490 ms

rs6.min.js

rs6.min.js

483 ms

jquery.json.min.js

jquery.json.min.js

388 ms

gravityforms.min.js

gravityforms.min.js

388 ms

placeholders.jquery.min.js

placeholders.jquery.min.js

444 ms

foobox.free.min.js

foobox.free.min.js

446 ms

js

js

153 ms

js

js

211 ms

slick-carousal.css

slick-carousal.css

438 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

136 ms

ai-2.0.min.js

ai-2.0.min.js

441 ms

wpex.min.js

wpex.min.js

710 ms

js_composer_front.min.js

js_composer_front.min.js

589 ms

core.min.js

core.min.js

591 ms

pum-site-scripts.js

pum-site-scripts.js

591 ms

main.min-1.15.1.js

main.min-1.15.1.js

608 ms

pixel-cat.min.js

pixel-cat.min.js

608 ms

api.js

api.js

157 ms

video.js

video.js

608 ms

slick.js

slick.js

505 ms

linkid.js

linkid.js

20 ms

collect

collect

21 ms

collect

collect

38 ms

custom-tm.js

custom-tm.js

454 ms

js

js

97 ms

lazyload.min.js

lazyload.min.js

512 ms

css

css

35 ms

gtm.js

gtm.js

93 ms

T7juSYLycds

T7juSYLycds

312 ms

js

js

217 ms

collect

collect

79 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

189 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

189 ms

KFOlCnqEu92Fr1MmWUlfBBc-.woff

KFOlCnqEu92Fr1MmWUlfBBc-.woff

189 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

190 ms

collect

collect

548 ms

recaptcha__en.js

recaptcha__en.js

480 ms

www-player.css

www-player.css

438 ms

www-embed-player.js

www-embed-player.js

461 ms

base.js

base.js

464 ms

STAC-12485-SS-LOGO-R_horz_white.png

STAC-12485-SS-LOGO-R_horz_white.png

618 ms

322282124

322282124

513 ms

collect

collect

288 ms

ad_status.js

ad_status.js

275 ms

ga-audiences

ga-audiences

214 ms

fallback

fallback

229 ms

Hg8RJ6IYDEt2XfeS9TTatHSj5NgA1bkUUg8jx44YVvw.js

Hg8RJ6IYDEt2XfeS9TTatHSj5NgA1bkUUg8jx44YVvw.js

158 ms

embed.js

embed.js

66 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

10 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

11 ms

id

id

37 ms

Create

Create

193 ms

fallback__ltr.css

fallback__ltr.css

9 ms

css

css

31 ms

logo_48.png

logo_48.png

101 ms

Accessibility Review

solarstack.com accessibility score

82

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-hidden="true"] elements contain focusable descendents

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

solarstack.com 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

solarstack.com SEO score

86

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

High

Image elements do not have [alt] attributes

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 Solarstack.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 Solarstack.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

solarstack.com

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