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bluewaterastronomy.info screenshot

Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

bluewaterastronomy.info

What is The Bluewater Astronomical Society? - Optics Mag

Page Load Speed

1.4 sec in total

First Response

304 ms

Resources Loaded

672 ms

Page Rendered

470 ms

bluewaterastronomy.info screenshot

About Website

Click here to check amazing Bluewater Astronomy content. Otherwise, check out these important facts you probably never knew about bluewaterastronomy.info

From absolute beginner to seasoned expert in astronomy, the Bluewater Astronomical Society has plenty or resources for gazing at the night sky...

Visit bluewaterastronomy.info

Key Findings

We analyzed Bluewaterastronomy.info page load time and found that the first response time was 304 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

bluewaterastronomy.info performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

64/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

bluewaterastronomy.info

304 ms

102 ms

fastclick.min.js

34 ms

main.d2cf6e86.css

36 ms

sbi-styles.min.css

68 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Bluewaterastronomy.info, 83% (53 requests) were made to Opticsmag.com and 5% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (304 ms) belongs to the original domain Bluewaterastronomy.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 65.2 kB (15%)

Content Size

444.2 kB

After Optimization

379.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bluewaterastronomy.info main page is 444.2 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. 50% of websites need less resources to load. Images take 274.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 63.2 kB

  • Original 81.7 kB
  • After minification 81.7 kB
  • After compression 18.5 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 63.2 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 370 B

  • Original 274.2 kB
  • After minification 273.8 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. Bluewater Astronomy images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 137 B

  • Original 53.7 kB
  • After minification 53.7 kB
  • After compression 53.6 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

-4%

Potential reduce by 1.5 kB

  • Original 34.6 kB
  • After minification 34.6 kB
  • After compression 33.1 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. Bluewaterastronomy.info has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (54%)

Requests Now

56

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bluewater Astronomy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bluewaterastronomy.info

bluewaterastronomy.info

304 ms

102 ms

fastclick.min.js

fastclick.min.js

34 ms

main.d2cf6e86.css

main.d2cf6e86.css

36 ms

sbi-styles.min.css

sbi-styles.min.css

68 ms

style.min.css

style.min.css

52 ms

classic-themes.min.css

classic-themes.min.css

46 ms

winner-comparison-tables.min.css

winner-comparison-tables.min.css

33 ms

ctf-styles.min.css

ctf-styles.min.css

51 ms

screen.min.css

screen.min.css

55 ms

popovers.css

popovers.css

48 ms

reset.css

reset.css

59 ms

main_green.css

main_green.css

72 ms

lazy-load.b1f2e08d.css

lazy-load.b1f2e08d.css

65 ms

cff-style.min.css

cff-style.min.css

65 ms

font-awesome.min.css

font-awesome.min.css

41 ms

tablepress-combined.min.css

tablepress-combined.min.css

82 ms

tablepress-responsive.min.css

tablepress-responsive.min.css

81 ms

jquery.min.js

jquery.min.js

87 ms

main.144280d3.js

main.144280d3.js

86 ms

post.d341cf5b.js

post.d341cf5b.js

85 ms

public.js

public.js

96 ms

opticsmag.js

opticsmag.js

25 ms

lazy-load.015dd3f3.js

lazy-load.015dd3f3.js

95 ms

snippet.min.js

snippet.min.js

51 ms

flying-pages.min.js

flying-pages.min.js

93 ms

front.min.js

front.min.js

127 ms

links.js

links.js

128 ms

popovers.js

popovers.js

129 ms

script.js

script.js

129 ms

frontend.min.js

frontend.min.js

195 ms

cff-scripts.min.js

cff-scripts.min.js

196 ms

minimal-analytics.js

minimal-analytics.js

198 ms

BAS_John-H-at-scope-ES-Fox.jpg

BAS_John-H-at-scope-ES-Fox.jpg

212 ms

css

css

30 ms

sbi-sprite.png

sbi-sprite.png

118 ms

99b5785e7f7b4d0e30f10d24a4601958

99b5785e7f7b4d0e30f10d24a4601958

93 ms

binoculars-on-tripod_Luka-Hercigonja_Shutterstock-80x80.webp

binoculars-on-tripod_Luka-Hercigonja_Shutterstock-80x80.webp

90 ms

binoculars-on-tripod_Luka-Hercigonja_Shutterstock-80x80.jpg

binoculars-on-tripod_Luka-Hercigonja_Shutterstock-80x80.jpg

89 ms

man-using-binoculars-outside-on-a-winter-day_Creative-Family_Shutterstock-80x80.webp

man-using-binoculars-outside-on-a-winter-day_Creative-Family_Shutterstock-80x80.webp

89 ms

man-using-binoculars-outside-on-a-winter-day_Creative-Family_Shutterstock-80x80.jpg

man-using-binoculars-outside-on-a-winter-day_Creative-Family_Shutterstock-80x80.jpg

90 ms

a-refractor-telescope_Miglena-Pencheva_Shutterstock-80x80.webp

a-refractor-telescope_Miglena-Pencheva_Shutterstock-80x80.webp

90 ms

a-refractor-telescope_Miglena-Pencheva_Shutterstock-80x80.jpg

a-refractor-telescope_Miglena-Pencheva_Shutterstock-80x80.jpg

92 ms

Close-up-of-eyepiece-of-telescope-with-mans-hand.-Telescope-tuning-80x80.webp

Close-up-of-eyepiece-of-telescope-with-mans-hand.-Telescope-tuning-80x80.webp

92 ms

Close-up-of-eyepiece-of-telescope-with-mans-hand.-Telescope-tuning-80x80.jpg

Close-up-of-eyepiece-of-telescope-with-mans-hand.-Telescope-tuning-80x80.jpg

92 ms

man-using-binoculars-outside-on-a-winter-day_Creative-Family_Shutterstock-280x150.webp

man-using-binoculars-outside-on-a-winter-day_Creative-Family_Shutterstock-280x150.webp

93 ms

man-using-binoculars-outside-on-a-winter-day_Creative-Family_Shutterstock-280x150.jpg

man-using-binoculars-outside-on-a-winter-day_Creative-Family_Shutterstock-280x150.jpg

91 ms

backpacker-looking-at-bright-sun-through-polarized-sunglasses_Soloviova-Liudmyla_Shutterstock-280x150.webp

backpacker-looking-at-bright-sun-through-polarized-sunglasses_Soloviova-Liudmyla_Shutterstock-280x150.webp

97 ms

backpacker-looking-at-bright-sun-through-polarized-sunglasses_Soloviova-Liudmyla_Shutterstock-280x150.jpg

backpacker-looking-at-bright-sun-through-polarized-sunglasses_Soloviova-Liudmyla_Shutterstock-280x150.jpg

107 ms

Stars_Piqsels-e1667834317397-280x150.jpg

Stars_Piqsels-e1667834317397-280x150.jpg

108 ms

Leo-Constellation_Pike-28-Shutterstock-280x150.webp

Leo-Constellation_Pike-28-Shutterstock-280x150.webp

115 ms

Leo-Constellation_Pike-28-Shutterstock-280x150.jpg

Leo-Constellation_Pike-28-Shutterstock-280x150.jpg

115 ms

Pegasus-Constellation-280x150.webp

Pegasus-Constellation-280x150.webp

116 ms

Pegasus-Constellation-280x150.jpg

Pegasus-Constellation-280x150.jpg

115 ms

Sagittarius-Constellation-280x150.webp

Sagittarius-Constellation-280x150.webp

125 ms

Sagittarius-Constellation-280x150.jpg

Sagittarius-Constellation-280x150.jpg

126 ms

Libra-Constellation-280x150.webp

Libra-Constellation-280x150.webp

126 ms

Libra-Constellation-280x150.jpg

Libra-Constellation-280x150.jpg

127 ms

Roboto.ttf

Roboto.ttf

58 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

28 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

35 ms

rise-icomoon.woff

rise-icomoon.woff

64 ms

KFOkCnqEu92Fr1Mu51xIIzc.ttf

KFOkCnqEu92Fr1Mu51xIIzc.ttf

43 ms

collect

collect

30 ms

Accessibility Review

bluewaterastronomy.info accessibility score

88

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

Best Practices

bluewaterastronomy.info best practices score

92

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

SEO Factors

bluewaterastronomy.info SEO score

82

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

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 Bluewaterastronomy.info 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 Bluewaterastronomy.info 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

bluewaterastronomy.info

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