Tools & Wizards About Us
solarelectricityhandbook.com screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

solarelectricityhandbook.com

The Solar Electricity Handbook | Solar Photovoltaic Book

Page Load Speed

2.1 sec in total

First Response

352 ms

Resources Loaded

1.6 sec

Page Rendered

211 ms

solarelectricityhandbook.com screenshot

About Website

Visit solarelectricityhandbook.com now to see the best up-to-date Solar Electricity Handbook content for Saudi Arabia and also check out these interesting facts you probably never knew about solarelectricityhandbook.com

The Solar Electricity handbook - 2019 Edition - is a simple, practical book to using electric solar panels and designing and installing photovoltaic solar PV systems.

Visit solarelectricityhandbook.com

Key Findings

We analyzed Solarelectricityhandbook.com page load time and found that the first response time was 352 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

solarelectricityhandbook.com performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.166

71/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

Network Requests Diagram

solarelectricityhandbook.com

352 ms

solar-electric.css

165 ms

header.js

170 ms

BuyingSolarElectricityHandbook.js

100 ms

footer.js

167 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 51% of them (25 requests) were addressed to the original Solarelectricityhandbook.com, 6% (3 requests) were made to Wms-na.amazon-adsystem.com and 6% (3 requests) were made to Wms-eu.amazon-adsystem.com. The less responsive or slowest element that took the longest time to load (636 ms) belongs to the original domain Solarelectricityhandbook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 380.6 kB (59%)

Content Size

640.4 kB

After Optimization

259.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Solarelectricityhandbook.com main page is 640.4 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. 60% of websites need less resources to load. CSS take 246.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 13.9 kB

  • Original 18.8 kB
  • After minification 16.2 kB
  • After compression 4.9 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 2.6 kB, which is 14% 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 13.9 kB or 74% of the original size.

Image Optimization

-14%

Potential reduce by 20.1 kB

  • Original 142.1 kB
  • After minification 122.0 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 Electricity Handbook needs image optimization as it can save up to 20.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 141.8 kB

  • Original 232.9 kB
  • After minification 232.6 kB
  • After compression 91.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 141.8 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 204.9 kB

  • Original 246.6 kB
  • After minification 245.7 kB
  • After compression 41.7 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. Solarelectricityhandbook.com needs all CSS files to be minified and compressed as it can save up to 204.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (58%)

Requests Now

45

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Solar Electricity Handbook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

solarelectricityhandbook.com

solarelectricityhandbook.com

352 ms

solar-electric.css

solar-electric.css

165 ms

header.js

header.js

170 ms

BuyingSolarElectricityHandbook.js

BuyingSolarElectricityHandbook.js

100 ms

footer.js

footer.js

167 ms

addthis_widget.js

addthis_widget.js

409 ms

l.gif

l.gif

90 ms

look-inside.jpg

look-inside.jpg

202 ms

solar-book.jpg

solar-book.jpg

424 ms

solar-panel.jpg

solar-panel.jpg

186 ms

mike-author.jpg

mike-author.jpg

422 ms

solar-book-logo.jpg

solar-book-logo.jpg

636 ms

q

q

197 ms

q

q

26 ms

worldwide.jpg

worldwide.jpg

171 ms

australia.gif

australia.gif

196 ms

canada.gif

canada.gif

265 ms

ireland.gif

ireland.gif

265 ms

france.gif

france.gif

265 ms

germany.gif

germany.gif

265 ms

india.gif

india.gif

346 ms

japan.gif

japan.gif

347 ms

newzealand.gif

newzealand.gif

346 ms

southafrica.gif

southafrica.gif

346 ms

unitedkingdom.gif

unitedkingdom.gif

417 ms

usa.gif

usa.gif

421 ms

solar-book-logo.jpg

solar-book-logo.jpg

504 ms

r.gif

r.gif

425 ms

ga.js

ga.js

19 ms

a-logo-amazon.png

a-logo-amazon.png

36 ms

512dh8cXEZL._AC_SR98,95_.jpg

512dh8cXEZL._AC_SR98,95_.jpg

36 ms

ir

ir

26 ms

json

json

25 ms

prime.png

prime.png

27 ms

cart.gif

cart.gif

26 ms

x0FoDTabzUQ

x0FoDTabzUQ

74 ms

__utm.gif

__utm.gif

13 ms

www-embed-player-vflQrT_sR.css

www-embed-player-vflQrT_sR.css

42 ms

www-embed-player.js

www-embed-player.js

70 ms

base.js

base.js

97 ms

a-logo-amazon.png

a-logo-amazon.png

273 ms

ir

ir

192 ms

json

json

172 ms

prime.png

prime.png

193 ms

cart.gif

cart.gif

192 ms

6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js

6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js

55 ms

ad_status.js

ad_status.js

49 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

44 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

50 ms

Accessibility Review

solarelectricityhandbook.com accessibility score

76

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

solarelectricityhandbook.com 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

SEO Factors

solarelectricityhandbook.com SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Solarelectricityhandbook.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Solarelectricityhandbook.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

solarelectricityhandbook.com

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