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suncalc.org screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

suncalc.org

SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elev...

Page Load Speed

3.1 sec in total

First Response

262 ms

Resources Loaded

2.6 sec

Page Rendered

230 ms

suncalc.org screenshot

About Website

Visit suncalc.org now to see the best up-to-date Sun Calc content for United Kingdom and also check out these interesting facts you probably never knew about suncalc.org

Online application to ascertain the sun movement with interactive map, sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, solar eclipse, elevation, Pho...

Visit suncalc.org

Key Findings

We analyzed Suncalc.org page load time and found that the first response time was 262 ms and then it took 2.8 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

suncalc.org performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value16.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.2 s

0/100

25%

SI (Speed Index)

Value16.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,640 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value25.2 s

0/100

10%

Network Requests Diagram

suncalc.org

262 ms

www.suncalc.org

483 ms

screen.css

103 ms

fixedheadertable.css

205 ms

all.css

482 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 92% of them (46 requests) were addressed to the original Suncalc.org, 4% (2 requests) were made to Pagead2.googlesyndication.com and 2% (1 request) were made to Fundingchoicesmessages.google.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Suncalc.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.3 MB (75%)

Content Size

3.1 MB

After Optimization

768.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Suncalc.org main page is 3.1 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. 45% of websites need less resources to load. Javascripts take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 60.5 kB

  • Original 77.0 kB
  • After minification 72.3 kB
  • After compression 16.5 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 60.5 kB or 79% of the original size.

Image Optimization

-6%

Potential reduce by 1.3 kB

  • Original 20.7 kB
  • After minification 19.3 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. Sun Calc images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 2.1 MB

  • Original 2.8 MB
  • After minification 2.8 MB
  • After compression 697.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 2.1 MB or 75% of the original size.

CSS Optimization

-82%

Potential reduce by 166.5 kB

  • Original 202.2 kB
  • After minification 164.0 kB
  • After compression 35.7 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. Suncalc.org needs all CSS files to be minified and compressed as it can save up to 166.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (84%)

Requests Now

45

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sun Calc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

suncalc.org

suncalc.org

262 ms

www.suncalc.org

www.suncalc.org

483 ms

screen.css

screen.css

103 ms

fixedheadertable.css

fixedheadertable.css

205 ms

all.css

all.css

482 ms

v4-shims.css

v4-shims.css

488 ms

ol-6.15.1.min.css

ol-6.15.1.min.css

293 ms

ol-6.15.1.min.js

ol-6.15.1.min.js

912 ms

ol-layerswitcher.css

ol-layerswitcher.css

306 ms

ol-layerswitcher.min.js

ol-layerswitcher.min.js

306 ms

jquery-ui-1.12.1.sunny.css

jquery-ui-1.12.1.sunny.css

492 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

609 ms

jquery-ui-1.12.0.min.js

jquery-ui-1.12.0.min.js

817 ms

cookieconsent.min.js

cookieconsent.min.js

578 ms

jquery.address-1.6.min.js

jquery.address-1.6.min.js

579 ms

jquery.ui.touch-punch.min.js

jquery.ui.touch-punch.min.js

583 ms

mobile-detect.min.js

mobile-detect.min.js

675 ms

ol-mDis.min.js

ol-mDis.min.js

677 ms

jquery.fixedheadertable.min.js

jquery.fixedheadertable.min.js

679 ms

ion.sound-min.js

ion.sound-min.js

710 ms

raphael-min.js

raphael-min.js

868 ms

ol-dn-overlay.min.js

ol-dn-overlay.min.js

773 ms

ol-sonnenverlauf-overlay.min.js

ol-sonnenverlauf-overlay.min.js

778 ms

jquery.validate.min.js

jquery.validate.min.js

812 ms

start.min.js

start.min.js

967 ms

somotools.min.js

somotools.min.js

875 ms

expcoll.min.js

expcoll.min.js

954 ms

tz_2022f.js

tz_2022f.js

954 ms

moment_2.30.1.min.js

moment_2.30.1.min.js

1060 ms

moment-timezone-with-data_0.5.44-2023d.min.js

moment-timezone-with-data_0.5.44-2023d.min.js

1362 ms

jQuery.print.min.js

jQuery.print.min.js

1010 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

1015 ms

sonnenfinsternis.min.js

sonnenfinsternis.min.js

1022 ms

utmconv.min.js

utmconv.min.js

1064 ms

jssocials.min.js

jssocials.min.js

1111 ms

adsbygoogle.js

adsbygoogle.js

146 ms

adsbygoogle.js

adsbygoogle.js

379 ms

dom-to-image.min.js

dom-to-image.min.js

1115 ms

pub-0313471900092880

pub-0313471900092880

91 ms

btn_donate_SM.gif

btn_donate_SM.gif

48 ms

schliessen.gif

schliessen.gif

116 ms

api.png

api.png

116 ms

germany_flag_48.png

germany_flag_48.png

116 ms

fa-solid-900.woff

fa-solid-900.woff

105 ms

fa-regular-400.woff

fa-regular-400.woff

103 ms

sun.jpg

sun.jpg

99 ms

jssocials.css

jssocials.css

103 ms

jssocials-theme-flat.css

jssocials-theme-flat.css

98 ms

cookieconsent.css

cookieconsent.css

103 ms

fa-brands-400.woff

fa-brands-400.woff

195 ms

Accessibility Review

suncalc.org accessibility score

86

Accessibility Issues

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

suncalc.org best practices score

67

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

suncalc.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 Suncalc.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 Suncalc.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

suncalc.org

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