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Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

simetric.co.uk

Metric Conversion Tables to or from Imperial Measurements The SI System for Metric Conversion

Page Load Speed

15.4 sec in total

First Response

410 ms

Resources Loaded

8.8 sec

Page Rendered

6.2 sec

simetric.co.uk screenshot

About Website

Welcome to simetric.co.uk homepage info - get ready to check SI Metric best content for Australia right away, or after learning these important things about simetric.co.uk

Over 1000 Standard to Metric Conversion Factor Tables with Definitions, Derived Units and Prefixes

Visit simetric.co.uk

Key Findings

We analyzed Simetric.co.uk page load time and found that the first response time was 410 ms and then it took 15 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

simetric.co.uk performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value2,580 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.08

94/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

simetric.co.uk

410 ms

simetric.co.uk

693 ms

analytics.js

1350 ms

adsbygoogle.js

2104 ms

sib1mod.gif

1204 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 23% of them (3 requests) were addressed to the original Simetric.co.uk, 31% (4 requests) were made to Pagead2.googlesyndication.com and 23% (3 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 196.7 kB (42%)

Content Size

467.0 kB

After Optimization

270.3 kB

  • HTML
  • JavaScript

In fact, the total size of Simetric.co.uk main page is 467.0 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. 15% of websites need less resources to load. Javascripts take 443.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 18.9 kB

  • Original 23.9 kB
  • After minification 18.5 kB
  • After compression 4.9 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. This page needs HTML code to be minified as it can gain 5.4 kB, which is 22% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.9 kB or 79% of the original size.

JavaScript Optimization

-40%

Potential reduce by 177.8 kB

  • Original 443.2 kB
  • After minification 443.1 kB
  • After compression 265.4 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 177.8 kB or 40% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (40%)

Requests Now

10

After Optimization

6

  • AJAX
  • Images
  • JavaScript

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SI Metric. 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 as a result speed up the page load time.

Network Requests Diagram

simetric.co.uk

simetric.co.uk

410 ms

simetric.co.uk

simetric.co.uk

693 ms

analytics.js

analytics.js

1350 ms

adsbygoogle.js

adsbygoogle.js

2104 ms

sib1mod.gif

sib1mod.gif

1204 ms

collect

collect

103 ms

ca-pub-1295916838909752.js

ca-pub-1295916838909752.js

1001 ms

zrt_lookup.html

zrt_lookup.html

3197 ms

show_ads_impl.js

show_ads_impl.js

1432 ms

ga-audiences

ga-audiences

3186 ms

ads

ads

1359 ms

osd.js

osd.js

49 ms

ads

ads

944 ms

Accessibility Review

simetric.co.uk accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

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

simetric.co.uk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

simetric.co.uk SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    US-ASCII

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Simetric.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 Simetric.co.uk main page’s claimed encoding is us-ascii. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

simetric.co.uk

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