Tools & Wizards About Us
stairpartsonline.co.uk screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

stairpartsonline.co.uk

Stair Parts Online - Handrails, Spindles and much more

Page Load Speed

3 sec in total

First Response

247 ms

Resources Loaded

2.6 sec

Page Rendered

150 ms

stairpartsonline.co.uk screenshot

About Website

Welcome to stairpartsonline.co.uk homepage info - get ready to check Stair Parts Online best content right away, or after learning these important things about stairpartsonline.co.uk

The number one site for large discounts on the UK's largest range of stair parts. We have everything you need for your new staircase or existing staircase renovation.

Visit stairpartsonline.co.uk

Key Findings

We analyzed Stairpartsonline.co.uk page load time and found that the first response time was 247 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

stairpartsonline.co.uk performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value19.1 s

0/100

10%

TBT (Total Blocking Time)

Value17,440 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value40.8 s

0/100

10%

Network Requests Diagram

stairpartsonline.co.uk

247 ms

www.stairpartsonline.co.uk

465 ms

general.css

197 ms

AC_RunActiveContent.js

195 ms

jquery.js

505 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 91% of them (21 requests) were addressed to the original Stairpartsonline.co.uk, 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Stairpartsonline.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.7 kB (7%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stairpartsonline.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. 15% of websites need less resources to load. Images take 980.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 7.8 kB

  • Original 10.9 kB
  • After minification 10.0 kB
  • After compression 3.1 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 7.8 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 161 B

  • Original 980.1 kB
  • After minification 980.0 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. Stair Parts Online images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 63.2 kB

  • Original 111.2 kB
  • After minification 109.9 kB
  • After compression 48.0 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 63.2 kB or 57% of the original size.

CSS Optimization

-75%

Potential reduce by 4.6 kB

  • Original 6.1 kB
  • After minification 4.8 kB
  • After compression 1.5 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. Stairpartsonline.co.uk needs all CSS files to be minified and compressed as it can save up to 4.6 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (14%)

Requests Now

21

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stair Parts Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

stairpartsonline.co.uk

stairpartsonline.co.uk

247 ms

www.stairpartsonline.co.uk

www.stairpartsonline.co.uk

465 ms

general.css

general.css

197 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

195 ms

jquery.js

jquery.js

505 ms

jquery.cycle.js

jquery.cycle.js

368 ms

logo.gif

logo.gif

156 ms

cards2.gif

cards2.gif

156 ms

rotate1.jpg

rotate1.jpg

550 ms

rotate2.jpg

rotate2.jpg

590 ms

rotate3.jpg

rotate3.jpg

771 ms

rotate4.jpg

rotate4.jpg

948 ms

rotate5.jpg

rotate5.jpg

702 ms

rotate6.jpg

rotate6.jpg

713 ms

rotate7.jpg

rotate7.jpg

1011 ms

rotate8.jpg

rotate8.jpg

1304 ms

rotate9.jpg

rotate9.jpg

1171 ms

rotate10.jpg

rotate10.jpg

1328 ms

home_brochure.gif

home_brochure.gif

1226 ms

home_help.gif

home_help.gif

1264 ms

cards.gif

cards.gif

1228 ms

ga.js

ga.js

9 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

stairpartsonline.co.uk 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

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

stairpartsonline.co.uk best practices score

58

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

stairpartsonline.co.uk SEO score

85

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stairpartsonline.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Stairpartsonline.co.uk main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

stairpartsonline.co.uk

Open Graph description is not detected on the main page of Stair Parts Online. 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: