Tools & Wizards About Us
caltechlifts.co.uk screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 87

    SEO

    Google-friendlier than
    66% of websites

caltechlifts.co.uk

Caltech | Scotland’s leading supplier and maintainer of lifts and stairlifts.

Page Load Speed

3.8 sec in total

First Response

558 ms

Resources Loaded

2.8 sec

Page Rendered

430 ms

caltechlifts.co.uk screenshot

About Website

Visit caltechlifts.co.uk now to see the best up-to-date Caltech Lifts content and also check out these interesting facts you probably never knew about caltechlifts.co.uk

Caltech Lifts Ltd offer a range of new lifts including passenger lifts, goods and service lifts, and disabled access lifts.

Visit caltechlifts.co.uk

Key Findings

We analyzed Caltechlifts.co.uk page load time and found that the first response time was 558 ms and then it took 3.2 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

caltechlifts.co.uk performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value2,850 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.566

12/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

caltechlifts.co.uk

558 ms

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4 ms

bnytz.css

48 ms

slick.min.css

42 ms

bootstrap.min.css

57 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 38% of them (20 requests) were addressed to the original Caltechlifts.co.uk, 15% (8 requests) were made to and 10% (5 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (558 ms) belongs to the original domain Caltechlifts.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.2 kB (7%)

Content Size

778.6 kB

After Optimization

721.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Caltechlifts.co.uk main page is 778.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 324.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 56.2 kB

  • Original 74.5 kB
  • After minification 72.4 kB
  • After compression 18.3 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 56.2 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 324.6 kB
  • After minification 324.6 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. Caltech Lifts images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.0 kB

  • Original 319.7 kB
  • After minification 319.7 kB
  • After compression 318.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 13 B

  • Original 59.9 kB
  • After minification 59.9 kB
  • After compression 59.9 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. Caltechlifts.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (76%)

Requests Now

38

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Caltech Lifts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

caltechlifts.co.uk

caltechlifts.co.uk

558 ms

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4 ms

bnytz.css

bnytz.css

48 ms

slick.min.css

slick.min.css

42 ms

bootstrap.min.css

bootstrap.min.css

57 ms

all.css

all.css

157 ms

ekko-lightbox.css

ekko-lightbox.css

43 ms

4heba.js

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Accessibility Review

caltechlifts.co.uk accessibility score

81

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

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

caltechlifts.co.uk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

caltechlifts.co.uk SEO score

87

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

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

    UTF-8

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

caltechlifts.co.uk

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