Tools & Wizards About Us
wheels-castors.co.uk screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

wheels-castors.co.uk

Schwalb Castors - your expert for wheels and castors and conveyor technique

Page Load Speed

3.3 sec in total

First Response

354 ms

Resources Loaded

2.8 sec

Page Rendered

210 ms

wheels-castors.co.uk screenshot

About Website

Click here to check amazing Wheels Castors content. Otherwise, check out these important facts you probably never knew about wheels-castors.co.uk

schwalb castors - your special partner for wheels and castors, conveyor technique or for any other subject

Visit wheels-castors.co.uk

Key Findings

We analyzed Wheels-castors.co.uk page load time and found that the first response time was 354 ms and then it took 3 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

wheels-castors.co.uk performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.075

95/100

15%

TTI (Time to Interactive)

Value7.8 s

45/100

10%

Network Requests Diagram

wheels-castors.co.uk

354 ms

www.wheels-castors.co.uk

388 ms

merged-4debc7940d41e4568f139c37df5b883d-4ef918830cdddcbc3f2c5e0270ce32f4.css.gzip

182 ms

modernizr-2.6.2.min.js

179 ms

jquery-1.10.1.min.js

358 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 78% of them (46 requests) were addressed to the original Wheels-castors.co.uk, 7% (4 requests) were made to Schwalb-rollen.de and 5% (3 requests) were made to App.usercentrics.eu. The less responsive or slowest element that took the longest time to load (755 ms) belongs to the original domain Wheels-castors.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 306.7 kB (18%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wheels-castors.co.uk main page is 1.7 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. 70% of websites need less resources to load. Images take 964.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 231.0 kB

  • Original 268.4 kB
  • After minification 263.3 kB
  • After compression 37.4 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 231.0 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 27.3 kB

  • Original 964.4 kB
  • After minification 937.1 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. Wheels Castors images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 48.4 kB

  • Original 451.1 kB
  • After minification 451.1 kB
  • After compression 402.7 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 48.4 kB or 11% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 33.0 kB
  • After minification 33.0 kB
  • After compression 33.0 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. Wheels-castors.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (17%)

Requests Now

53

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wheels Castors. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

wheels-castors.co.uk

wheels-castors.co.uk

354 ms

www.wheels-castors.co.uk

www.wheels-castors.co.uk

388 ms

merged-4debc7940d41e4568f139c37df5b883d-4ef918830cdddcbc3f2c5e0270ce32f4.css.gzip

merged-4debc7940d41e4568f139c37df5b883d-4ef918830cdddcbc3f2c5e0270ce32f4.css.gzip

182 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

179 ms

jquery-1.10.1.min.js

jquery-1.10.1.min.js

358 ms

merged-5ccdc295d9d35d099a03f401388156e2-2bf1fc7020db07036a38fae4c5798776.js.gzip

merged-5ccdc295d9d35d099a03f401388156e2-2bf1fc7020db07036a38fae4c5798776.js.gzip

282 ms

gumby.min.js

gumby.min.js

194 ms

main.js

main.js

27 ms

uc-block.bundle.js

uc-block.bundle.js

30 ms

merged-d9bd5c150ec0e90f17b843cbfc4e1ac4-9bb06fc8e686a20e5780f8d8cce49c45.js.gzip

merged-d9bd5c150ec0e90f17b843cbfc4e1ac4-9bb06fc8e686a20e5780f8d8cce49c45.js.gzip

193 ms

merged-a5a8c3bbd93300995a9cbedb0d4fc67c-bd869ef79c260093e9c516dbfaf718b1.js.gzip

merged-a5a8c3bbd93300995a9cbedb0d4fc67c-bd869ef79c260093e9c516dbfaf718b1.js.gzip

421 ms

css

css

28 ms

bundle.js

bundle.js

33 ms

jquery.mobile.custom.min.js

jquery.mobile.custom.min.js

225 ms

schwalb-rollen-en-logo.png

schwalb-rollen-en-logo.png

121 ms

loading.gif

loading.gif

122 ms

csm_neuer_slider_2_01_2dd3b4d108.jpg

csm_neuer_slider_2_01_2dd3b4d108.jpg

121 ms

csm_neuer_slider_3_01_a4812709f3.jpg

csm_neuer_slider_3_01_a4812709f3.jpg

188 ms

csm_neuer_slider_4_01_1ca8300b18.jpg

csm_neuer_slider_4_01_1ca8300b18.jpg

188 ms

csm_neuer_slider_7_01_862040a5fa.jpg

csm_neuer_slider_7_01_862040a5fa.jpg

179 ms

csm_neuer_slider_9_01_2943d37a34.jpg

csm_neuer_slider_9_01_2943d37a34.jpg

180 ms

csm_neuer_slider_01_221852c9e4.jpg

csm_neuer_slider_01_221852c9e4.jpg

187 ms

csm_neuer_slider_02_341f585aaa.jpg

csm_neuer_slider_02_341f585aaa.jpg

271 ms

automatisches-metall-saegen_01.jpg

automatisches-metall-saegen_01.jpg

272 ms

bockrolle-lackieren_01.jpg

bockrolle-lackieren_01.jpg

292 ms

bockrollen-gehaeuse-unlackiert_01.jpg

bockrollen-gehaeuse-unlackiert_01.jpg

294 ms

kugellager-einpressen-pneumatikpresse_01.jpg

kugellager-einpressen-pneumatikpresse_01.jpg

293 ms

lackierte-bockrollen-gehaeuse_01.jpg

lackierte-bockrollen-gehaeuse_01.jpg

398 ms

reifenmontage-mit-hydraulikpresse_01.jpg

reifenmontage-mit-hydraulikpresse_01.jpg

358 ms

reifenmontage-vorbereiten_01.jpg

reifenmontage-vorbereiten_01.jpg

360 ms

reifenmontage_01.jpg

reifenmontage_01.jpg

375 ms

reifenmontage2_01.jpg

reifenmontage2_01.jpg

375 ms

saegen-kgk_01.jpg

saegen-kgk_01.jpg

376 ms

cnc-drehen_01.jpg

cnc-drehen_01.jpg

451 ms

kgk-halbfertig_01.jpg

kgk-halbfertig_01.jpg

452 ms

pressen-kgk_01.jpg

pressen-kgk_01.jpg

496 ms

kgk-fertig_02.jpg

kgk-fertig_02.jpg

496 ms

drehen_konventionell_01.jpg

drehen_konventionell_01.jpg

497 ms

bohren_fraesen_01.jpg

bohren_fraesen_01.jpg

497 ms

rundschweissen_01.jpg

rundschweissen_01.jpg

537 ms

sonderplatten_01.jpg

sonderplatten_01.jpg

539 ms

lackieren_01.jpg

lackieren_01.jpg

576 ms

csm_LS_PSK085-SK302-2_02_6804cc49b6.jpg

csm_LS_PSK085-SK302-2_02_6804cc49b6.jpg

578 ms

csm_LDSO_KGK300XXXS_RF_RI90-3_03_8661b18a76.jpg

csm_LDSO_KGK300XXXS_RF_RI90-3_03_8661b18a76.jpg

577 ms

csm_schwalb_30Jahre_logo_GB_RGB_final_e050a5a99f.png

csm_schwalb_30Jahre_logo_GB_RGB_final_e050a5a99f.png

755 ms

csm_logo_KfB_01_64a3b183fc.jpg

csm_logo_KfB_01_64a3b183fc.jpg

627 ms

ic_arrow_drop_down_circle_48px.svg

ic_arrow_drop_down_circle_48px.svg

629 ms

piwik.js

piwik.js

261 ms

1px.png

1px.png

9 ms

en.json

en.json

149 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

556 ms

jquery.mobile.custom.min.js

jquery.mobile.custom.min.js

451 ms

en

en

135 ms

piwik.js

piwik.js

511 ms

graphql

graphql

96 ms

piwik.php

piwik.php

93 ms

piwik.php

piwik.php

361 ms

erecht24_logo_white.svg

erecht24_logo_white.svg

97 ms

arrows.png

arrows.png

91 ms

Accessibility Review

wheels-castors.co.uk accessibility score

82

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.

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

wheels-castors.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

Missing source maps for large first-party JavaScript

SEO Factors

wheels-castors.co.uk SEO score

75

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Wheels-castors.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 Wheels-castors.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

wheels-castors.co.uk

Open Graph description is not detected on the main page of Wheels Castors. 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: