Tools & Wizards About Us
gfcdiagnostics.com screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

gfcdiagnostics.com

We are specialists in point of care detection of smoking and cotinine measurements and treatment adherence in TB.

Page Load Speed

4.1 sec in total

First Response

544 ms

Resources Loaded

3.4 sec

Page Rendered

163 ms

gfcdiagnostics.com screenshot

About Website

Click here to check amazing Gfcdiagnostics content for United Kingdom. Otherwise, check out these important facts you probably never knew about gfcdiagnostics.com

We are specialists in point of care detection of smoking and cotinine measurements and treatment adherence in TB. GFC Diagnostics is the leading supplier of quantitative rapid cotinine testing. Used ...

Visit gfcdiagnostics.com

Key Findings

We analyzed Gfcdiagnostics.com page load time and found that the first response time was 544 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

gfcdiagnostics.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value8.0 s

21/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.049

99/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

gfcdiagnostics.com

544 ms

wpstyles.css

356 ms

jquery.js

412 ms

jquery.event.move.js

322 ms

jquery.event.swipe.js

325 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 69% of them (45 requests) were addressed to the original Gfcdiagnostics.com, 28% (18 requests) were made to Platform.twitter.com and 3% (2 requests) were made to Syndication.twitter.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Gfcdiagnostics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.3 kB (20%)

Content Size

399.4 kB

After Optimization

319.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gfcdiagnostics.com main page is 399.4 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. 55% of websites need less resources to load. Images take 299.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 39.4 kB

  • Original 48.0 kB
  • After minification 46.1 kB
  • After compression 8.6 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 39.4 kB or 82% of the original size.

Image Optimization

-11%

Potential reduce by 33.8 kB

  • Original 299.9 kB
  • After minification 266.1 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, Gfcdiagnostics needs image optimization as it can save up to 33.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-14%

Potential reduce by 6.9 kB

  • Original 50.7 kB
  • After minification 50.7 kB
  • After compression 43.7 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 6.9 kB or 14% of the original size.

CSS Optimization

-11%

Potential reduce by 90 B

  • Original 848 B
  • After minification 848 B
  • After compression 758 B

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. Gfcdiagnostics.com needs all CSS files to be minified and compressed as it can save up to 90 B or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (53%)

Requests Now

64

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gfcdiagnostics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

gfcdiagnostics.com

gfcdiagnostics.com

544 ms

wpstyles.css

wpstyles.css

356 ms

jquery.js

jquery.js

412 ms

jquery.event.move.js

jquery.event.move.js

322 ms

jquery.event.swipe.js

jquery.event.swipe.js

325 ms

jquery.wpslider.js

jquery.wpslider.js

328 ms

jquery.wpvisibility.js

jquery.wpvisibility.js

322 ms

jsMenu.js

jsMenu.js

644 ms

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484 ms

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399 ms

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314 ms

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321 ms

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322 ms

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522 ms

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631 ms

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638 ms

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635 ms

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719 ms

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788 ms

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838 ms

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954 ms

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947 ms

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951 ms

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1044 ms

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1104 ms

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1226 ms

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1262 ms

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1261 ms

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1276 ms

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1359 ms

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1417 ms

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1620 ms

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1659 ms

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1667 ms

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1595 ms

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1994 ms

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1991 ms

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2016 ms

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2054 ms

widgets.js

widgets.js

9 ms

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1993 ms

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1998 ms

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2329 ms

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2256 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

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38 ms

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2114 ms

settings

settings

68 ms

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2053 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

3 ms

GFCdiagnostics

GFCdiagnostics

64 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

4 ms

runtime-b1c52fd0a13ead5fcf6b.js

runtime-b1c52fd0a13ead5fcf6b.js

16 ms

modules-96ebc7ac3ad66d681a3d.js

modules-96ebc7ac3ad66d681a3d.js

20 ms

main-babd9234dc048fb47339.js

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19 ms

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39 ms

%5BscreenName%5D-0517bdda27d5006a5a2d.js

%5BscreenName%5D-0517bdda27d5006a5a2d.js

41 ms

_buildManifest.js

_buildManifest.js

48 ms

_ssgManifest.js

_ssgManifest.js

49 ms

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8 ms

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8 ms

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4 ms

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12 ms

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7 ms

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12 ms

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5893.d500bd2a89ded806aa73.js

11 ms

Accessibility Review

gfcdiagnostics.com accessibility score

68

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Best Practices

gfcdiagnostics.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

gfcdiagnostics.com SEO score

100

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

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 Gfcdiagnostics.com 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 Gfcdiagnostics.com 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

gfcdiagnostics.com

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