Tools & Wizards About Us
solarstack.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% 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

3.4 sec in total

First Response

167 ms

Resources Loaded

2.5 sec

Page Rendered

722 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 167 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

solarstack.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value28.6 s

0/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value2,360 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value22.4 s

1/100

10%

Network Requests Diagram

solarstack.com

167 ms

solarstack.com

338 ms

fbevents.js

30 ms

js_composer.min.css

124 ms

style.min.css

244 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 68% of them (68 requests) were addressed to the original Solarstack.com, 5% (5 requests) were made to Youtube.com and 5% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Solarstack.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 597.2 kB (14%)

Content Size

4.3 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Solarstack.com main page is 4.3 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 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 113.2 kB

  • Original 142.8 kB
  • After minification 139.5 kB
  • After compression 29.6 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 113.2 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 136.8 kB

  • Original 3.3 MB
  • After minification 3.1 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. Solar Stack images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.7 kB

  • Original 430.4 kB
  • After minification 430.4 kB
  • After compression 426.7 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

-81%

Potential reduce by 343.5 kB

  • Original 421.8 kB
  • After minification 421.0 kB
  • After compression 78.3 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 needs all CSS files to be minified and compressed as it can save up to 343.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (61%)

Requests Now

89

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 89 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 33 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

167 ms

solarstack.com

solarstack.com

338 ms

fbevents.js

fbevents.js

30 ms

js_composer.min.css

js_composer.min.css

124 ms

style.min.css

style.min.css

244 ms

rs6.css

rs6.css

190 ms

style.css

style.css

247 ms

css

css

58 ms

default-at-style.css

default-at-style.css

187 ms

style.css

style.css

186 ms

wpex-visual-composer.css

wpex-visual-composer.css

203 ms

wpex-visual-composer-extend.css

wpex-visual-composer-extend.css

258 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

262 ms

pum-site-styles.css

pum-site-styles.css

259 ms

formreset.min.css

formreset.min.css

265 ms

formsmain.min.css

formsmain.min.css

302 ms

readyclass.min.css

readyclass.min.css

306 ms

browsers.min.css

browsers.min.css

313 ms

wpex-gravity-forms.css

wpex-gravity-forms.css

309 ms

wpex-responsive.css

wpex-responsive.css

309 ms

main.min-1.15.1.css

main.min-1.15.1.css

326 ms

jquery.min.js

jquery.min.js

420 ms

jquery-migrate.min.js

jquery-migrate.min.js

366 ms

default-at-custom.js

default-at-custom.js

372 ms

rbtools.min.js

rbtools.min.js

492 ms

rs6.min.js

rs6.min.js

433 ms

jquery.json.min.js

jquery.json.min.js

388 ms

gravityforms.min.js

gravityforms.min.js

432 ms

placeholders.jquery.min.js

placeholders.jquery.min.js

433 ms

js

js

95 ms

slick-carousal.css

slick-carousal.css

449 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

71 ms

wpex.min.js

wpex.min.js

604 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

486 ms

jquery.fancybox-media.min.js

jquery.fancybox-media.min.js

577 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

576 ms

core.min.js

core.min.js

579 ms

pum-site-scripts.js

pum-site-scripts.js

603 ms

js_composer_front.min.js

js_composer_front.min.js

603 ms

main.min-1.15.1.js

main.min-1.15.1.js

603 ms

pixel-cat.min.js

pixel-cat.min.js

603 ms

api.js

api.js

69 ms

video.js

video.js

602 ms

slick.js

slick.js

608 ms

custom-tm.js

custom-tm.js

563 ms

lazyload.min.js

lazyload.min.js

563 ms

css

css

17 ms

gtm.js

gtm.js

94 ms

gtm.js

gtm.js

135 ms

logo-1.png

logo-1.png

761 ms

driller.png

driller.png

244 ms

logo-dark-2x-retina-3.png

logo-dark-2x-retina-3.png

250 ms

SolarStack-NEW-Main-Slide.jpg

SolarStack-NEW-Main-Slide.jpg

620 ms

solar-stack-icons.png

solar-stack-icons.png

620 ms

slide-bg-new.jpg

slide-bg-new.jpg

621 ms

Slide-3-new.jpg

Slide-3-new.jpg

756 ms

what-solar-stack_zero-roof.jpg

what-solar-stack_zero-roof.jpg

619 ms

what-solar-stack_installation-time.jpg

what-solar-stack_installation-time.jpg

621 ms

what-solar-stack_no-holes.jpg

what-solar-stack_no-holes.jpg

785 ms

what-solar-stack_roof-warranty.jpg

what-solar-stack_roof-warranty.jpg

982 ms

8inch.png

8inch.png

1119 ms

12inch.png

12inch.png

1117 ms

tilt-high-low.png

tilt-high-low.png

1123 ms

217-2170259_titan-solar-power-logo-circle-1.png

217-2170259_titan-solar-power-logo-circle-1.png

982 ms

momentumsolar-logo.png

momentumsolar-logo.png

982 ms

stac-logo-go-solar.png

stac-logo-go-solar.png

1118 ms

STAC-12485-SS-LOGO-R_c_rev-250x99.png

STAC-12485-SS-LOGO-R_c_rev-250x99.png

1120 ms

Solar-Stack-Footer-Icons_FPA-Logo.png

Solar-Stack-Footer-Icons_FPA-Logo.png

1119 ms

Solar-Stack-Footer-Icons_MiamiDade-Logo.png

Solar-Stack-Footer-Icons_MiamiDade-Logo.png

1121 ms

Made-in-the-USA.png

Made-in-the-USA.png

1123 ms

SS_25yr_Warranty-White.png

SS_25yr_Warranty-White.png

1124 ms

patented.png

patented.png

1128 ms

double-down-roof-mounting-3.jpg

double-down-roof-mounting-3.jpg

1131 ms

wal-clock.png

wal-clock.png

239 ms

drop.png

drop.png

249 ms

security.png

security.png

240 ms

T7juSYLycds

T7juSYLycds

207 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

66 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

158 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

184 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1075 ms

recaptcha__en.js

recaptcha__en.js

457 ms

www-player.css

www-player.css

412 ms

www-embed-player.js

www-embed-player.js

509 ms

base.js

base.js

541 ms

STAC-12485-SS-LOGO-R_horz_white.png

STAC-12485-SS-LOGO-R_horz_white.png

555 ms

322282124

322282124

551 ms

logo-1.png

logo-1.png

367 ms

ad_status.js

ad_status.js

233 ms

fallback

fallback

189 ms

ol2Pwhg52TvQQNILWNhGlE6oofe6M6saszf4SS0CR3o.js

ol2Pwhg52TvQQNILWNhGlE6oofe6M6saszf4SS0CR3o.js

165 ms

embed.js

embed.js

77 ms

logo-1.png

logo-1.png

105 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

11 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

36 ms

fallback__ltr.css

fallback__ltr.css

37 ms

id

id

121 ms

css

css

86 ms

Create

Create

87 ms

logo_48.png

logo_48.png

105 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: