Tools & Wizards About Us
specfluetraining.com screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

specfluetraining.com

Specflue: Flues, Chimneys, Wood Burning and Pellet Stoves

Page Load Speed

7.3 sec in total

First Response

224 ms

Resources Loaded

6.6 sec

Page Rendered

469 ms

specfluetraining.com screenshot

About Website

Welcome to specfluetraining.com homepage info - get ready to check Specflue Training best content right away, or after learning these important things about specfluetraining.com

Specflue established in 1992 provides industry leading products and services to the Flue, Chimney, Renewable and Stove industries

Visit specfluetraining.com

Key Findings

We analyzed Specfluetraining.com page load time and found that the first response time was 224 ms and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

specfluetraining.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.378

28/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

www.specflue.com

224 ms

www.specflue.com

593 ms

3e5ed9e8-ecbc-4dcf-81ee-77b1bfac5cb2.js

46 ms

jquery.fancybox.css

389 ms

jquery.fancybox-buttons.css

415 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Specfluetraining.com, 5% (2 requests) were made to Fast.fonts.net and 5% (2 requests) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (4.5 sec) relates to the external source Specflue.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 373.2 kB (8%)

Content Size

4.8 MB

After Optimization

4.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Specfluetraining.com main page is 4.8 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. 40% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 51.1 kB

  • Original 67.5 kB
  • After minification 66.6 kB
  • After compression 16.4 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 51.1 kB or 76% of the original size.

Image Optimization

-7%

Potential reduce by 310.0 kB

  • Original 4.3 MB
  • After minification 4.0 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. Specflue Training images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 7.2 kB

  • Original 352.0 kB
  • After minification 352.0 kB
  • After compression 344.8 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

-8%

Potential reduce by 4.9 kB

  • Original 59.1 kB
  • After minification 59.1 kB
  • After compression 54.2 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. Specfluetraining.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (50%)

Requests Now

40

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Specflue Training. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.specflue.com

www.specflue.com

224 ms

www.specflue.com

www.specflue.com

593 ms

3e5ed9e8-ecbc-4dcf-81ee-77b1bfac5cb2.js

3e5ed9e8-ecbc-4dcf-81ee-77b1bfac5cb2.js

46 ms

jquery.fancybox.css

jquery.fancybox.css

389 ms

jquery.fancybox-buttons.css

jquery.fancybox-buttons.css

415 ms

jquery.fancybox-thumbs.css

jquery.fancybox-thumbs.css

415 ms

bootstrap-datetimepicker.min.css

bootstrap-datetimepicker.min.css

400 ms

main.css

main.css

430 ms

jquery-ui.css

jquery-ui.css

18 ms

mt.js

mt.js

16 ms

email-decode.min.js

email-decode.min.js

7 ms

jquery-1.12.4.min.js

jquery-1.12.4.min.js

7 ms

jquery-ui-1.10.3.custom.min.js

jquery-ui-1.10.3.custom.min.js

1270 ms

bootstrap.min.js

bootstrap.min.js

1484 ms

api.js

api.js

30 ms

jquery.mousewheel-3.0.6.pack.js

jquery.mousewheel-3.0.6.pack.js

1490 ms

jquery.fancybox.js

jquery.fancybox.js

1694 ms

jquery.fancybox-buttons.js

jquery.fancybox-buttons.js

1553 ms

jquery.fancybox-thumbs.js

jquery.fancybox-thumbs.js

2247 ms

jquery.fancybox-media.js

jquery.fancybox-media.js

2804 ms

moment-with-locales.min.js

moment-with-locales.min.js

3077 ms

bootstrap-datetimepicker.min.js

bootstrap-datetimepicker.min.js

3020 ms

validator.min.js

validator.min.js

3168 ms

main.js.php

main.js.php

3525 ms

sensor.js

sensor.js

110 ms

610cf048c94346.83491138.png

610cf048c94346.83491138.png

2693 ms

logo.jpg

logo.jpg

3258 ms

1734-copy_of_heading_1-1-3-750.jpg

1734-copy_of_heading_1-1-3-750.jpg

3260 ms

1733-copy_of_heading-1-3-750.jpg

1733-copy_of_heading-1-3-750.jpg

3507 ms

1735-copy_of_heading_2-1-3-750.jpg

1735-copy_of_heading_2-1-3-750.jpg

3649 ms

1863-untitled_design-1--.png

1863-untitled_design-1--.png

3991 ms

SIA-Logo.png

SIA-Logo.png

3344 ms

HETAS_LOGO.png

HETAS_LOGO.png

4254 ms

RLSS_logo.jpg

RLSS_logo.jpg

4263 ms

clearSkies_logo.jpg

clearSkies_logo.jpg

4266 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

4236 ms

1864-accessories_offer_sept_24-1-1-1120.png

1864-accessories_offer_sept_24-1-1-1120.png

4217 ms

1723-specflue_website_images_square-1-3-800.png

1723-specflue_website_images_square-1-3-800.png

4201 ms

1724-specflue_website_images_landscape-1-3-800.png

1724-specflue_website_images_landscape-1-3-800.png

4495 ms

recaptcha__en.js

recaptcha__en.js

26 ms

1727-specflue_website_images_landscape_2-1-3-800.png

1727-specflue_website_images_landscape_2-1-3-800.png

846 ms

1546-wheretobuypublic-1-3-800.jpg

1546-wheretobuypublic-1-3-800.jpg

826 ms

1759-specflue_website_images_landscape_4-1-3-800.png

1759-specflue_website_images_landscape_4-1-3-800.png

816 ms

Accessibility Review

specfluetraining.com accessibility score

80

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

specfluetraining.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

High

Page has valid source maps

SEO Factors

specfluetraining.com SEO score

98

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

    EN

  • Encoding

    UTF-8

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

specfluetraining.com

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