Tools & Wizards About Us
stairs-siller.co.uk screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

stairs-siller.co.uk

Staircase design, manufacturing and installation - Siller Stairs UK

Page Load Speed

3.2 sec in total

First Response

246 ms

Resources Loaded

2.3 sec

Page Rendered

597 ms

stairs-siller.co.uk screenshot

About Website

Welcome to stairs-siller.co.uk homepage info - get ready to check Stairs Siller best content right away, or after learning these important things about stairs-siller.co.uk

Designing staircases is an art which we aim to perfect| Siller is offering stair design, manufacturing and installation around the world

Visit stairs-siller.co.uk

Key Findings

We analyzed Stairs-siller.co.uk page load time and found that the first response time was 246 ms and then it took 2.9 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

stairs-siller.co.uk performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

62/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.224

56/100

15%

TTI (Time to Interactive)

Value10.3 s

24/100

10%

Network Requests Diagram

stairs-siller.co.uk

246 ms

stairs-siller.co.uk

427 ms

www.stairs-siller.co.uk

454 ms

gtm.js

56 ms

812932959

159 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 70% of them (43 requests) were addressed to the original Stairs-siller.co.uk, 21% (13 requests) were made to Embed.tawk.to and 3% (2 requests) were made to Player.vimeo.com. The less responsive or slowest element that took the longest time to load (486 ms) belongs to the original domain Stairs-siller.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 147.2 kB (13%)

Content Size

1.1 MB

After Optimization

974.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Stairs-siller.co.uk main page is 1.1 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. 30% of websites need less resources to load. Images take 795.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 122.4 kB

  • Original 147.6 kB
  • After minification 147.2 kB
  • After compression 25.2 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 122.4 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 228 B

  • Original 795.9 kB
  • After minification 795.7 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. Stairs Siller images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 24.6 kB

  • Original 178.3 kB
  • After minification 178.3 kB
  • After compression 153.7 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 24.6 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (44%)

Requests Now

54

After Optimization

30

  • AJAX
  • Images
  • JavaScript

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stairs Siller. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

stairs-siller.co.uk

stairs-siller.co.uk

246 ms

stairs-siller.co.uk

stairs-siller.co.uk

427 ms

www.stairs-siller.co.uk

www.stairs-siller.co.uk

454 ms

gtm.js

gtm.js

56 ms

812932959

812932959

159 ms

player.js

player.js

64 ms

assets.min.js

assets.min.js

217 ms

de.svg

de.svg

344 ms

at.svg

at.svg

345 ms

ch.svg

ch.svg

345 ms

it.svg

it.svg

346 ms

us.svg

us.svg

346 ms

ca.svg

ca.svg

347 ms

es.svg

es.svg

428 ms

fr.svg

fr.svg

421 ms

gb.svg

gb.svg

423 ms

logo.svg

logo.svg

424 ms

fullscreen.png

fullscreen.png

422 ms

arrowThumbs.svg

arrowThumbs.svg

443 ms

default

default

263 ms

open-sans-v16-latin-regular.woff

open-sans-v16-latin-regular.woff

445 ms

open-sans-v16-latin-300.woff

open-sans-v16-latin-300.woff

449 ms

open-sans-v16-latin-600.woff

open-sans-v16-latin-600.woff

450 ms

api.js

api.js

11 ms

csm_Siller_Treppen_Schweiz_14_06239f7812.jpg

csm_Siller_Treppen_Schweiz_14_06239f7812.jpg

486 ms

csm_Siller_Treppen_Schweiz_14_2cb41c0bdf.jpg

csm_Siller_Treppen_Schweiz_14_2cb41c0bdf.jpg

180 ms

csm_100_siller_penthouse_staircase_22Carat_helical_stair__2__5a76a8ff40.jpg

csm_100_siller_penthouse_staircase_22Carat_helical_stair__2__5a76a8ff40.jpg

178 ms

csm_101_floating_all_glass_staircase_design_CHICAGO__Siller_Stairs_0335ccab88.jpg

csm_101_floating_all_glass_staircase_design_CHICAGO__Siller_Stairs_0335ccab88.jpg

278 ms

csm_100_luxury_on_the_highest_level__siller_stairs__1__upscaled_2_2bdc8e2f0c.jpg

csm_100_luxury_on_the_highest_level__siller_stairs__1__upscaled_2_2bdc8e2f0c.jpg

279 ms

csm_110_Siller_Treppen__Design_Glastreppe__Wangen_in_einem_St%C3%BCck__M%C3%BCnchenPB300025_71d23bec06.jpg

csm_110_Siller_Treppen__Design_Glastreppe__Wangen_in_einem_St%C3%BCck__M%C3%BCnchenPB300025_71d23bec06.jpg

279 ms

csm_cantilevered_glass_stair_with_extravagant_hammered_steel_railing__siller_stairs__5__white_297f893d61.jpg

csm_cantilevered_glass_stair_with_extravagant_hammered_steel_railing__siller_stairs__5__white_297f893d61.jpg

281 ms

csm_malibu_villa_glass_staircase_siller_stairs_98c6b63793.jpg

csm_malibu_villa_glass_staircase_siller_stairs_98c6b63793.jpg

282 ms

csm_VL_PRT_H1_177538_f8d91fa653.jpg

csm_VL_PRT_H1_177538_f8d91fa653.jpg

384 ms

csm_006__DSE7765_cut_2_e95924b65c.jpg

csm_006__DSE7765_cut_2_e95924b65c.jpg

384 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

61 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

63 ms

twk-event-polyfill.js

twk-event-polyfill.js

60 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

62 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

109 ms

twk-main.js

twk-main.js

22 ms

twk-vendor.js

twk-vendor.js

35 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

50 ms

twk-chunk-common.js

twk-chunk-common.js

64 ms

twk-runtime.js

twk-runtime.js

70 ms

twk-app.js

twk-app.js

108 ms

csm_100_siller_penthouse_staircase_22Carat_helical_stair__2__6a59552e9b.jpg

csm_100_siller_penthouse_staircase_22Carat_helical_stair__2__6a59552e9b.jpg

316 ms

csm_design_staircase__helical__feature_stair__Siller_Stairs__Palo_Alto__SFMH_Atherton_Interiors_12_9d81bc2ac1.jpg

csm_design_staircase__helical__feature_stair__Siller_Stairs__Palo_Alto__SFMH_Atherton_Interiors_12_9d81bc2ac1.jpg

106 ms

csm_104_siller_stairs__extraordinary_feature_stair_for_22Carat__Dubai__Palm_Jumairah_5_e085248bd1.jpg

csm_104_siller_stairs__extraordinary_feature_stair_for_22Carat__Dubai__Palm_Jumairah_5_e085248bd1.jpg

108 ms

csm_Siller_Treppen__BV_F%C3%BCrstenberg__schwebende_Treppe_mit_Podest__3__small_5ea88bbffb.jpg

csm_Siller_Treppen__BV_F%C3%BCrstenberg__schwebende_Treppe_mit_Podest__3__small_5ea88bbffb.jpg

108 ms

csm_Siller_Treppen_Fotos_The_Twist-2_1e9d2d3159.jpg

csm_Siller_Treppen_Fotos_The_Twist-2_1e9d2d3159.jpg

107 ms

csm_120_Fougeron_Architects__Arkansas_st._Siller_all_glass_staircase__7__156f26ab33.jpg

csm_120_Fougeron_Architects__Arkansas_st._Siller_all_glass_staircase__7__156f26ab33.jpg

108 ms

csm_110_exclusive_bogentreppe_spindeltreppe_von_siller_treppen_frankfurt_36e07ebe0c.jpg

csm_110_exclusive_bogentreppe_spindeltreppe_von_siller_treppen_frankfurt_36e07ebe0c.jpg

212 ms

csm_floating_staircase__hawaii__wood_treads__siller_stairs__9__654c30fa62.jpg

csm_floating_staircase__hawaii__wood_treads__siller_stairs__9__654c30fa62.jpg

213 ms

csm_150_cantilevered_staircase_LED_a214255e39.jpg

csm_150_cantilevered_staircase_LED_a214255e39.jpg

213 ms

csm_190_cantilevered_stairs_in_acrylic_with_LED_2_305c182ee8.jpg

csm_190_cantilevered_stairs_in_acrylic_with_LED_2_305c182ee8.jpg

212 ms

widget-settings

widget-settings

171 ms

csm_120_all_glass_staircase_c25bc971cf.jpg

csm_120_all_glass_staircase_c25bc971cf.jpg

106 ms

csm_Moderne_Bogentreppe_Design__Siller_Treppen__3__d3c3336e98.jpg

csm_Moderne_Bogentreppe_Design__Siller_Treppen__3__d3c3336e98.jpg

175 ms

csm_230_linien_und_kurven_bei_treppen_52524c8181.jpg

csm_230_linien_und_kurven_bei_treppen_52524c8181.jpg

177 ms

csm_130_schwebende_treppe_von_Siller_wave_design_9a2f4dd081.jpg

csm_130_schwebende_treppe_von_Siller_wave_design_9a2f4dd081.jpg

176 ms

en.js

en.js

14 ms

Accessibility Review

stairs-siller.co.uk accessibility score

81

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

stairs-siller.co.uk best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

stairs-siller.co.uk SEO score

88

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 Stairs-siller.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 Stairs-siller.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

stairs-siller.co.uk

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