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atoptics.co.uk screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    66% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 95

    SEO

    Google-friendlier than
    91% of websites

atoptics.co.uk

Atmospheric Optics

Page Load Speed

553 ms in total

First Response

31 ms

Resources Loaded

321 ms

Page Rendered

201 ms

atoptics.co.uk screenshot

About Website

Visit atoptics.co.uk now to see the best up-to-date At Optics content for United States and also check out these interesting facts you probably never knew about atoptics.co.uk

Learn about atmospheric light phenomena and how rainbows, halos, glories, coronas and more are formed.

Visit atoptics.co.uk

Key Findings

We analyzed Atoptics.co.uk page load time and found that the first response time was 31 ms and then it took 522 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

atoptics.co.uk performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value17.6 s

0/100

10%

TBT (Total Blocking Time)

Value6,270 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value29.0 s

0/100

10%

Network Requests Diagram

atoptics.co.uk

31 ms

atoptics.co.uk

77 ms

main.min.css

33 ms

js

39 ms

js

48 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 43% of them (3 requests) were addressed to the original Atoptics.co.uk, 14% (1 request) were made to Static.getclicky.com and 14% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (77 ms) belongs to the original domain Atoptics.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.1 kB (18%)

Content Size

55.8 kB

After Optimization

45.7 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Atoptics.co.uk main page is 55.8 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. Only 10% of websites need less resources to load. Javascripts take 26.5 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 9.6 kB

  • Original 15.4 kB
  • After minification 14.2 kB
  • After compression 5.8 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 9.6 kB or 62% of the original size.

JavaScript Optimization

-0%

Potential reduce by 42 B

  • Original 26.5 kB
  • After minification 26.5 kB
  • After compression 26.5 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 481 B

  • Original 13.9 kB
  • After minification 13.9 kB
  • After compression 13.4 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. Atoptics.co.uk has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of At Optics. According to our analytics all requests are already optimized.

Network Requests Diagram

atoptics.co.uk

atoptics.co.uk

31 ms

atoptics.co.uk

atoptics.co.uk

77 ms

main.min.css

main.min.css

33 ms

js

js

39 ms

js

js

48 ms

css2

css2

50 ms

ads.min.js

ads.min.js

32 ms

Accessibility Review

atoptics.co.uk accessibility score

94

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

atoptics.co.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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

atoptics.co.uk SEO score

95

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Atoptics.co.uk 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 Atoptics.co.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

atoptics.co.uk

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