Tools & Wizards About Us
pvcalc.org screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

pvcalc.org

PVCalc

Page Load Speed

4.9 sec in total

First Response

213 ms

Resources Loaded

4.6 sec

Page Rendered

115 ms

pvcalc.org screenshot

About Website

Visit pvcalc.org now to see the best up-to-date PVCalc content for India and also check out these interesting facts you probably never knew about pvcalc.org

PVCalc allows you to calculate the ROI of PV solar energy projects - viewed as financial investments. The results are presented graphically, divided into four sub-categories: Results, effect of levera...

Visit pvcalc.org

Key Findings

We analyzed Pvcalc.org page load time and found that the first response time was 213 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

pvcalc.org performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.161

73/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

pvcalc.org

213 ms

pvcalc.org

1423 ms

js

67 ms

icon

37 ms

materialize.min.css

608 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 87% of them (20 requests) were addressed to the original Pvcalc.org, 4% (1 request) were made to Googletagmanager.com and 4% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Pvcalc.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.0 kB (6%)

Content Size

297.3 kB

After Optimization

280.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pvcalc.org main page is 297.3 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. 25% of websites need less resources to load. Javascripts take 162.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 6.9 kB

  • Original 9.3 kB
  • After minification 9.3 kB
  • After compression 2.5 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 6.9 kB or 74% of the original size.

Image Optimization

-9%

Potential reduce by 9.4 kB

  • Original 101.7 kB
  • After minification 92.4 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. PVCalc images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 119 B

  • Original 162.8 kB
  • After minification 162.8 kB
  • After compression 162.6 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

-3%

Potential reduce by 685 B

  • Original 23.5 kB
  • After minification 23.4 kB
  • After compression 22.8 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. Pvcalc.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (33%)

Requests Now

21

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PVCalc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pvcalc.org

pvcalc.org

213 ms

pvcalc.org

pvcalc.org

1423 ms

js

js

67 ms

icon

icon

37 ms

materialize.min.css

materialize.min.css

608 ms

style.css

style.css

1307 ms

home.css

home.css

1307 ms

jquery-2.1.1.min.js

jquery-2.1.1.min.js

1408 ms

vue.js

vue.js

1514 ms

materialize.min.js

materialize.min.js

1436 ms

template.js

template.js

1331 ms

sun.svg

sun.svg

1797 ms

GB.png

GB.png

1799 ms

DE.png

DE.png

1978 ms

FR.png

FR.png

1977 ms

IT.png

IT.png

1978 ms

pvcalc-image-150-150-fl.png

pvcalc-image-150-150-fl.png

1979 ms

production-150x150.png

production-150x150.png

2358 ms

globe-irradiation-150x150.png

globe-irradiation-150x150.png

2257 ms

folder-pv-150-150.png

folder-pv-150-150.png

2654 ms

forecast-150x150.png

forecast-150x150.png

2654 ms

manual-150x150.png

manual-150x150.png

2937 ms

font

font

20 ms

Accessibility Review

pvcalc.org accessibility score

82

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.

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

Image elements do not have [alt] attributes

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

pvcalc.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

pvcalc.org SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

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

High

Tap targets are not sized appropriately

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 Pvcalc.org 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 Pvcalc.org 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

pvcalc.org

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