Tools & Wizards About Us
nfrc.co.uk screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

nfrc.co.uk

NFRC--home of professional roofers, manufacturers and merchants

Page Load Speed

3.2 sec in total

First Response

269 ms

Resources Loaded

2.6 sec

Page Rendered

385 ms

nfrc.co.uk screenshot

About Website

Welcome to nfrc.co.uk homepage info - get ready to check NFRC best content for United Kingdom right away, or after learning these important things about nfrc.co.uk

NFRC is the UK's largest roofing trade association. Using an NFRC registered contractor gives the comfort of guaranteed protection and quality of a master roofer. The National Federation of Roofin...

Visit nfrc.co.uk

Key Findings

We analyzed Nfrc.co.uk page load time and found that the first response time was 269 ms and then it took 3 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

nfrc.co.uk performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value1,480 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

nfrc.co.uk

269 ms

www.nfrc.co.uk

950 ms

lyb1xaz.js

119 ms

modernizr

228 ms

js

81 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 73% of them (44 requests) were addressed to the original Nfrc.co.uk, 12% (7 requests) were made to Use.typekit.net and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (950 ms) belongs to the original domain Nfrc.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 349.8 kB (9%)

Content Size

3.8 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nfrc.co.uk main page is 3.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 120.0 kB

  • Original 181.1 kB
  • After minification 165.9 kB
  • After compression 61.1 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 120.0 kB or 66% of the original size.

Image Optimization

-4%

Potential reduce by 125.1 kB

  • Original 3.2 MB
  • After minification 3.1 MB

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. NFRC images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 77.4 kB

  • Original 354.3 kB
  • After minification 354.3 kB
  • After compression 277.0 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 77.4 kB or 22% of the original size.

CSS Optimization

-31%

Potential reduce by 27.4 kB

  • Original 89.2 kB
  • After minification 89.2 kB
  • After compression 61.8 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. Nfrc.co.uk needs all CSS files to be minified and compressed as it can save up to 27.4 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (25%)

Requests Now

48

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NFRC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

nfrc.co.uk

nfrc.co.uk

269 ms

www.nfrc.co.uk

www.nfrc.co.uk

950 ms

lyb1xaz.js

lyb1xaz.js

119 ms

modernizr

modernizr

228 ms

js

js

81 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

460 ms

screen.css

screen.css

688 ms

WebResource.axd

WebResource.axd

397 ms

ScriptResource.axd

ScriptResource.axd

393 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

404 ms

ScriptResource.axd

ScriptResource.axd

559 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

887 ms

addthis_widget.js

addthis_widget.js

309 ms

core

core

466 ms

analytics.js

analytics.js

50 ms

hotjar-2260535.js

hotjar-2260535.js

125 ms

collect

collect

19 ms

nfrc-logo-2021.png

nfrc-logo-2021.png

107 ms

banner_img1.jpg

banner_img1.jpg

289 ms

banner_img2.jpg

banner_img2.jpg

428 ms

domestic-roofs-banner.jpg

domestic-roofs-banner.jpg

367 ms

quintainhouse.jpg

quintainhouse.jpg

605 ms

opticcloak.jpg

opticcloak.jpg

727 ms

roof-of-the-month-macallan-distillery.jpg

roof-of-the-month-macallan-distillery.jpg

464 ms

stamford-station-claudensmith.jpg

stamford-station-claudensmith.jpg

725 ms

stjosephscontourroofing.jpg

stjosephscontourroofing.jpg

725 ms

nfrc-logo-(rgb)-500pxw.png

nfrc-logo-(rgb)-500pxw.png

571 ms

secure.jpg

secure.jpg

603 ms

find-a-roofer0691c536ca2b68c9ad01ff0000fbcfb9.jpg

find-a-roofer0691c536ca2b68c9ad01ff0000fbcfb9.jpg

640 ms

join.jpg

join.jpg

723 ms

publicationdownload.jpg

publicationdownload.jpg

723 ms

nfrc-regions-(rgb)-250pxw.tmb-small.png

nfrc-regions-(rgb)-250pxw.tmb-small.png

731 ms

nfrc-roofing-competent-person-scheme-logo-(rgb)-200pxw.tmb-small.png

nfrc-roofing-competent-person-scheme-logo-(rgb)-200pxw.tmb-small.png

768 ms

nfrc-roofcert-roofing-accreditation-logo-(rgb)-200pxw.tmb-small.png

nfrc-roofcert-roofing-accreditation-logo-(rgb)-200pxw.tmb-small.png

784 ms

awrads-200pxw.tmb-small.png

awrads-200pxw.tmb-small.png

785 ms

nfrc-roofing-careers-servce-logo-(rgb)-200pxw.tmb-small.png

nfrc-roofing-careers-servce-logo-(rgb)-200pxw.tmb-small.png

793 ms

nfrc-charitable-trust-logo-(rgb)-200pxw.tmb-small.png

nfrc-charitable-trust-logo-(rgb)-200pxw.tmb-small.png

803 ms

nfrc-trade-association-logo-(rgb)-1000pxw.png

nfrc-trade-association-logo-(rgb)-1000pxw.png

807 ms

nfrc-homeowners-guide-to-roof-work.jpg

nfrc-homeowners-guide-to-roof-work.jpg

833 ms

nfrc-logo-2021.png

nfrc-logo-2021.png

847 ms

iso-9001-certified.tmb-small.png

iso-9001-certified.tmb-small.png

857 ms

collect

collect

11 ms

ga-audiences

ga-audiences

81 ms

modules.305879d9d5e96288a7f4.js

modules.305879d9d5e96288a7f4.js

17 ms

Poppins-Regular.ttf

Poppins-Regular.ttf

302 ms

Poppins-SemiBold.ttf

Poppins-SemiBold.ttf

315 ms

stripes-white.svg

stripes-white.svg

315 ms

search.svg

search.svg

345 ms

header-red.svg

header-red.svg

354 ms

home.svg

home.svg

364 ms

nfrc.woff

nfrc.woff

320 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

322 ms

getcurrentuser

getcurrentuser

318 ms

d

d

20 ms

d

d

13 ms

d

d

40 ms

d

d

41 ms

d

d

18 ms

d

d

19 ms

p.gif

p.gif

34 ms

Accessibility Review

nfrc.co.uk accessibility score

91

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

nfrc.co.uk 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

High

Missing source maps for large first-party JavaScript

SEO Factors

nfrc.co.uk SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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

    EN

  • Encoding

    UTF-8

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

nfrc.co.uk

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