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astrodictionary.org.uk screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

astrodictionary.org.uk

Astronomical Dictionary, Astronomy Words Defined, Definitions

Page Load Speed

4.3 sec in total

First Response

1.2 sec

Resources Loaded

3 sec

Page Rendered

117 ms

astrodictionary.org.uk screenshot

About Website

Welcome to astrodictionary.org.uk homepage info - get ready to check Astro Dictionary best content right away, or after learning these important things about astrodictionary.org.uk

Welcome to the astronomical dictionary, your online source for definitions of astronomy words for beginners and improvers.

Visit astrodictionary.org.uk

Key Findings

We analyzed Astrodictionary.org.uk page load time and found that the first response time was 1.2 sec and then it took 3.1 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

astrodictionary.org.uk performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

astrodictionary.org.uk

1161 ms

script.js

430 ms

style.css

764 ms

show_ads.js

26 ms

counter_xhtml.js

31 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 77% of them (20 requests) were addressed to the original Astrodictionary.org.uk, 8% (2 requests) were made to Pagead2.googlesyndication.com and 4% (1 request) were made to Statcounter.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Astrodictionary.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.1 kB (27%)

Content Size

200.7 kB

After Optimization

146.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Astrodictionary.org.uk main page is 200.7 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. 20% of websites need less resources to load. Images take 87.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 18.8 kB

  • Original 24.3 kB
  • After minification 23.0 kB
  • After compression 5.5 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 18.8 kB or 77% of the original size.

Image Optimization

-37%

Potential reduce by 32.3 kB

  • Original 87.3 kB
  • After minification 55.0 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, Astro Dictionary needs image optimization as it can save up to 32.3 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 394 B

  • Original 83.0 kB
  • After minification 83.0 kB
  • After compression 82.6 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

-43%

Potential reduce by 2.6 kB

  • Original 6.1 kB
  • After minification 6.1 kB
  • After compression 3.5 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. Astrodictionary.org.uk needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 43% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (43%)

Requests Now

23

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astro Dictionary. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

astrodictionary.org.uk

astrodictionary.org.uk

1161 ms

script.js

script.js

430 ms

style.css

style.css

764 ms

show_ads.js

show_ads.js

26 ms

counter_xhtml.js

counter_xhtml.js

31 ms

cm

cm

68 ms

chart

chart

108 ms

Page-BgSimpleGradient.jpg

Page-BgSimpleGradient.jpg

324 ms

Sheet-s.png

Sheet-s.png

335 ms

Sheet-h.png

Sheet-h.png

323 ms

Sheet-v.png

Sheet-v.png

405 ms

Sheet-c.png

Sheet-c.png

331 ms

Header.png

Header.png

404 ms

Header.jpg

Header.jpg

720 ms

item-left.png

item-left.png

651 ms

item-right.png

item-right.png

658 ms

item-center.png

item-center.png

652 ms

nav.png

nav.png

724 ms

Button.png

Button.png

734 ms

BlockHeader.png

BlockHeader.png

985 ms

BlockContentBullets.png

BlockContentBullets.png

990 ms

adsbygoogle.js

adsbygoogle.js

58 ms

rssIcon.png

rssIcon.png

960 ms

Footer.png

Footer.png

1048 ms

t.php

t.php

86 ms

item-separator.png

item-separator.png

1008 ms

Accessibility Review

astrodictionary.org.uk accessibility score

83

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.

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

Best Practices

astrodictionary.org.uk 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

SEO Factors

astrodictionary.org.uk SEO score

77

Search Engine Optimization Advices

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 Astrodictionary.org.uk 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 Astrodictionary.org.uk 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

astrodictionary.org.uk

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