Tools & Wizards About Us
keystonelintels.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

keystonelintels.com

Keystone Lintels | Steel Lintels | UK & Ireland's Largest Manufacturer

Page Load Speed

3.6 sec in total

First Response

157 ms

Resources Loaded

3.1 sec

Page Rendered

336 ms

keystonelintels.com screenshot

About Website

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

Keystone Lintels is the UK & Ireland's largest steel lintel manufacturer, specialising in bespoke lintels, masonry support brick feature lintels & windposts

Visit keystonelintels.com

Key Findings

We analyzed Keystonelintels.com page load time and found that the first response time was 157 ms and then it took 3.4 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

keystonelintels.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value1,130 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.318

36/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

keystonelintels.com

157 ms

keystonelintels.com

36 ms

divi.css

19 ms

prettyPhoto.css

24 ms

wp-video-lightbox.css

36 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 86% of them (90 requests) were addressed to the original Keystonelintels.com, 6% (6 requests) were made to Fonts.gstatic.com and 4% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Keystonelintels.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 257.1 kB (5%)

Content Size

5.3 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Keystonelintels.com main page is 5.3 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. Only a small number of websites need less resources to load. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 127.3 kB

  • Original 155.0 kB
  • After minification 147.0 kB
  • After compression 27.7 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 127.3 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 9.1 kB

  • Original 4.5 MB
  • After minification 4.5 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. Keystone Lintels images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 61.6 kB

  • Original 401.2 kB
  • After minification 401.0 kB
  • After compression 339.6 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 61.6 kB or 15% of the original size.

CSS Optimization

-23%

Potential reduce by 59.2 kB

  • Original 259.9 kB
  • After minification 259.7 kB
  • After compression 200.7 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. Keystonelintels.com needs all CSS files to be minified and compressed as it can save up to 59.2 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (60%)

Requests Now

94

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keystone Lintels. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

keystonelintels.com

keystonelintels.com

157 ms

keystonelintels.com

keystonelintels.com

36 ms

divi.css

divi.css

19 ms

prettyPhoto.css

prettyPhoto.css

24 ms

wp-video-lightbox.css

wp-video-lightbox.css

36 ms

layerslider.css

layerslider.css

39 ms

css

css

112 ms

style.min.css

style.min.css

40 ms

style.css

style.css

36 ms

formcraft-common.css

formcraft-common.css

51 ms

form.css

form.css

55 ms

style.css

style.css

58 ms

style.css

style.css

55 ms

mu-style.css

mu-style.css

58 ms

cookie-law-info-public.css

cookie-law-info-public.css

61 ms

cookie-law-info-gdpr.css

cookie-law-info-gdpr.css

62 ms

woocommerce-layout.css

woocommerce-layout.css

64 ms

woocommerce.css

woocommerce.css

66 ms

common.min.css

common.min.css

63 ms

style.css

style.css

74 ms

css

css

130 ms

style.css

style.css

106 ms

dashicons.min.css

dashicons.min.css

105 ms

keystonelintels.com

keystonelintels.com

71 ms

jquery.min.js

jquery.min.js

107 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

107 ms

video-lightbox.js

video-lightbox.js

107 ms

script.js

script.js

111 ms

sharethis.js

sharethis.js

106 ms

cookie-law-info-public.js

cookie-law-info-public.js

109 ms

font-awesome.min.css

font-awesome.min.css

110 ms

jquery.min.js

jquery.min.js

106 ms

pvc_functionality.js

pvc_functionality.js

107 ms

js

js

487 ms

et-core-unified-227-17242548662571.min.css

et-core-unified-227-17242548662571.min.css

107 ms

162966.js

162966.js

108 ms

js

js

513 ms

js

js

549 ms

font-awesome.min.css

font-awesome.min.css

105 ms

cookie-law-info-table.css

cookie-law-info-table.css

113 ms

frontend-builder-global-functions.js

frontend-builder-global-functions.js

108 ms

page-scroll-to-id.min.js

page-scroll-to-id.min.js

107 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

109 ms

js.cookie.min.js

js.cookie.min.js

109 ms

woocommerce.min.js

woocommerce.min.js

109 ms

cart-fragments.min.js

cart-fragments.min.js

111 ms

common.min.js

common.min.js

107 ms

jquery.mobile.custom.min.js

jquery.mobile.custom.min.js

98 ms

custom.js

custom.js

93 ms

jquery.fitvids.js

jquery.fitvids.js

86 ms

waypoints.min.js

waypoints.min.js

82 ms

jquery.magnific-popup.js

jquery.magnific-popup.js

83 ms

frontend-builder-scripts.js

frontend-builder-scripts.js

79 ms

common.js

common.js

69 ms

layerslider.utils.js

layerslider.utils.js

73 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

73 ms

layerslider.transitions.js

layerslider.transitions.js

72 ms

gtm.js

gtm.js

407 ms

keystonelintels.com

keystonelintels.com

2424 ms

skin.css

skin.css

66 ms

Keystone_logo.png

Keystone_logo.png

48 ms

Keystone-Hi-therm-Wolf-Web-Banner.jpg

Keystone-Hi-therm-Wolf-Web-Banner.jpg

57 ms

KSL-Hero-2000-x-500.png

KSL-Hero-2000-x-500.png

62 ms

KSL_WEB_2000X500.jpg

KSL_WEB_2000X500.jpg

61 ms

keystone-lintels-insights-homepage-slider.png

keystone-lintels-insights-homepage-slider.png

87 ms

KEYSTONE-LIVE-WEB-BANNER-WITH-ON-DEMAND-002.png

KEYSTONE-LIVE-WEB-BANNER-WITH-ON-DEMAND-002.png

63 ms

0302_KSL_CPD-Home_page-slider_v2-2560.jpg

0302_KSL_CPD-Home_page-slider_v2-2560.jpg

67 ms

slide4-1-1.png

slide4-1-1.png

83 ms

slide3-1.png

slide3-1.png

82 ms

keyslip-logo2.png

keyslip-logo2.png

67 ms

bg.jpg

bg.jpg

83 ms

slide4-1-1.png

slide4-1-1.png

83 ms

KSL-Mob.png

KSL-Mob.png

85 ms

cta_cpd.jpg

cta_cpd.jpg

84 ms

psi-value-calculator-thumb.png

psi-value-calculator-thumb.png

87 ms

hi-therm_home.jpg

hi-therm_home.jpg

85 ms

sig-thumb.jpg

sig-thumb.jpg

116 ms

architect-image.png

architect-image.png

137 ms

architect-image.png

architect-image.png

138 ms

lintel-selector-thumb.png

lintel-selector-thumb.png

136 ms

mobile_hi-therm_home.jpg

mobile_hi-therm_home.jpg

126 ms

RoSPA-Award-Winner-Post-1--150x150.png

RoSPA-Award-Winner-Post-1--150x150.png

125 ms

KSL-Super-Trowel-Static-150x150.jpg

KSL-Super-Trowel-Static-150x150.jpg

135 ms

mmm-cover-2024-150x150.jpg

mmm-cover-2024-150x150.jpg

142 ms

icon_facebook.png

icon_facebook.png

138 ms

icon_twitter.png

icon_twitter.png

138 ms

icon_linkedin.png

icon_linkedin.png

140 ms

icon_youtube.png

icon_youtube.png

141 ms

scroll-arrow-up1-300x300.png

scroll-arrow-up1-300x300.png

140 ms

scroll-arrow-down1-300x300.png

scroll-arrow-down1-300x300.png

142 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVQUwaEQXjM.woff

80 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVQUwaEQXjM.woff

123 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQUwaEQXjM.woff

134 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVQUwaEQXjM.woff

136 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVQUwaEQXjM.woff

137 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVQUwaEQXjM.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4uaVQUwaEQXjM.woff

200 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

140 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

141 ms

modules.ttf

modules.ttf

197 ms

bg.jpg

bg.jpg

45 ms

slide4-1-1.png

slide4-1-1.png

46 ms

skin.png

skin.png

7 ms

Keystone-Hi-therm-Wolf-Web-Banner.jpg

Keystone-Hi-therm-Wolf-Web-Banner.jpg

8 ms

nothumb.png

nothumb.png

8 ms

woocommerce-smallscreen.css

woocommerce-smallscreen.css

4 ms

Accessibility Review

keystonelintels.com accessibility score

87

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

keystonelintels.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

keystonelintels.com SEO score

92

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

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 Keystonelintels.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 Keystonelintels.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

keystonelintels.com

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