Tools & Wizards About Us

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

tfc.co.uk

Quartz Crystals,OCXO, TCXO Precision Oscillators and Custom Wound Components by Total Frequency Control Limited

Page Load Speed

871 ms in total

First Response

111 ms

Resources Loaded

673 ms

Page Rendered

87 ms

About Website

Welcome to tfc.co.uk homepage info - get ready to check Tfc best content right away, or after learning these important things about tfc.co.uk

High performance OCXOs, TCXOs, VCXOs, low phase noise, low jitter. Manufacturer, HI-REL precision, clock, precision, oscillators, high stability, low ageing, precision quartz crystals, SC cut, AT cut,...

Visit tfc.co.uk

Key Findings

We analyzed Tfc.co.uk page load time and found that the first response time was 111 ms and then it took 760 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

tfc.co.uk performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value50 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

tfc.co.uk

111 ms

www.tfc.co.uk

204 ms

main.css

40 ms

count.js

293 ms

ga.js

20 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 78% of them (14 requests) were addressed to the original Tfc.co.uk, 11% (2 requests) were made to Count.carrierzone.com and 11% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (293 ms) relates to the external source Count.carrierzone.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.4 kB (36%)

Content Size

182.9 kB

After Optimization

116.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tfc.co.uk main page is 182.9 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. Images take 91.6 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 5.3 kB

  • Original 7.8 kB
  • After minification 6.7 kB
  • After compression 2.5 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. This page needs HTML code to be minified as it can gain 1.1 kB, which is 14% 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 5.3 kB or 68% of the original size.

Image Optimization

-1%

Potential reduce by 1.3 kB

  • Original 91.6 kB
  • After minification 90.4 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. Tfc images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 59.7 kB

  • Original 82.3 kB
  • After minification 70.1 kB
  • After compression 22.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 59.7 kB or 73% of the original size.

CSS Optimization

-6%

Potential reduce by 68 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 1.1 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. Tfc.co.uk has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tfc. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

tfc.co.uk accessibility score

53

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

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

High

Links do not have a discernible name

Best Practices

tfc.co.uk best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

tfc.co.uk SEO score

62

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Tfc.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 Tfc.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

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