Tools & Wizards About Us
dillengerelectricbikes.co.uk screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

dillengerelectricbikes.co.uk

Dillenger Electric Bike Conversion Kits. The Home Of All Things E-Bike – Dillenger E-Bikes UK

Page Load Speed

3.3 sec in total

First Response

298 ms

Resources Loaded

2.6 sec

Page Rendered

424 ms

dillengerelectricbikes.co.uk screenshot

About Website

Welcome to dillengerelectricbikes.co.uk homepage info - get ready to check Dillenger Electric Bikes best content for United Kingdom right away, or after learning these important things about dillengerelectricbikes.co.uk

Welcome to Dillenger Electric Bike Conversion Kits. Dillenger is the current world leader in e-bike conversion kits, specialising in both hub-drive and mid-drive kits. Our complete conversion kits are...

Visit dillengerelectricbikes.co.uk

Key Findings

We analyzed Dillengerelectricbikes.co.uk page load time and found that the first response time was 298 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

dillengerelectricbikes.co.uk performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

69/100

10%

LCP (Largest Contentful Paint)

Value16.1 s

0/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value800 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

Network Requests Diagram

dillengerelectricbikes.co.uk

298 ms

js

94 ms

jquery-3.2.1.min.js

52 ms

preloads.js

67 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

45 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 87% of them (73 requests) were addressed to the original Dillengerelectricbikes.co.uk, 6% (5 requests) were made to Cdn.shopify.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Polyfill-fastly.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 498.4 kB (36%)

Content Size

1.4 MB

After Optimization

875.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dillengerelectricbikes.co.uk main page is 1.4 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. 55% of websites need less resources to load. Javascripts take 696.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 225.7 kB

  • Original 274.8 kB
  • After minification 262.9 kB
  • After compression 49.1 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 225.7 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 2.9 kB

  • Original 358.1 kB
  • After minification 355.2 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. Dillenger Electric Bikes images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 269.0 kB

  • Original 696.5 kB
  • After minification 696.4 kB
  • After compression 427.5 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 269.0 kB or 39% of the original size.

CSS Optimization

-2%

Potential reduce by 743 B

  • Original 44.6 kB
  • After minification 44.6 kB
  • After compression 43.9 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. Dillengerelectricbikes.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 31 (40%)

Requests Now

78

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dillenger Electric Bikes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dillengerelectricbikes.co.uk

dillengerelectricbikes.co.uk

298 ms

js

js

94 ms

jquery-3.2.1.min.js

jquery-3.2.1.min.js

52 ms

preloads.js

preloads.js

67 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

45 ms

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

44 ms

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

68 ms

lazysizes.min.js

lazysizes.min.js

50 ms

polyfill.min.js

polyfill.min.js

1421 ms

libs.min.js

libs.min.js

50 ms

theme.min.js

theme.min.js

70 ms

custom.js

custom.js

69 ms

theme.scss.css

theme.scss.css

75 ms

hulkcode.js

hulkcode.js

73 ms

hulkcode.css

hulkcode.css

103 ms

prequik.js

prequik.js

201 ms

cx-prequik.css

cx-prequik.css

104 ms

shopify-perf-kit-unstable.min.js

shopify-perf-kit-unstable.min.js

69 ms

widget.min.js

widget.min.js

52 ms

trekkie.storefront.a1ad2ab43a5932ff96084a0e2e69f51ba73ddbec.min.js

trekkie.storefront.a1ad2ab43a5932ff96084a0e2e69f51ba73ddbec.min.js

94 ms

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

94 ms

shopify-boomerang-1.0.0.min.js

shopify-boomerang-1.0.0.min.js

94 ms

spb.en.js

spb.en.js

27 ms

Dillenger_UK_Logo_255x.png

Dillenger_UK_Logo_255x.png

70 ms

Street_Kit_Banner_1_1d0e0ed6-177d-447a-91fd-d1be3f9e4238_1x1.jpg

Street_Kit_Banner_1_1d0e0ed6-177d-447a-91fd-d1be3f9e4238_1x1.jpg

172 ms

BBS_HD_Banner_1_8a75c17b-a806-4371-9f41-7b6eba64781a_1x1.jpg

BBS_HD_Banner_1_8a75c17b-a806-4371-9f41-7b6eba64781a_1x1.jpg

68 ms

Premium_Kit_Banner_1_94c1b096-205a-4e57-97bd-5c9dc1d48690_1x1.jpg

Premium_Kit_Banner_1_94c1b096-205a-4e57-97bd-5c9dc1d48690_1x1.jpg

262 ms

street-legal-electric-bike-kit-samsung-power-2-0-7e8_60x.jpg

street-legal-electric-bike-kit-samsung-power-2-0-7e8_60x.jpg

177 ms

street-legal-electric-bike-kit-samsung-power-2-0-f29_60x.jpg

street-legal-electric-bike-kit-samsung-power-2-0-f29_60x.jpg

255 ms

premium-off-road-conversion-kit-first-image_60x.jpg

premium-off-road-conversion-kit-first-image_60x.jpg

73 ms

premium-off-road-conversion-kit-pre-order-discount-d62_1_60x.jpg

premium-off-road-conversion-kit-pre-order-discount-d62_1_60x.jpg

390 ms

bbs01-mid-drive-electric-bike-kit-bafang-b-series-back-in-stock-49d_60x.jpg

bbs01-mid-drive-electric-bike-kit-bafang-b-series-back-in-stock-49d_60x.jpg

86 ms

street-legal-electric-bike-kit-samsung-power-2-0-f29_e2349479-d073-4be1-b5c8-5890a6d0d68e_60x.jpg

street-legal-electric-bike-kit-samsung-power-2-0-f29_e2349479-d073-4be1-b5c8-5890a6d0d68e_60x.jpg

101 ms

bbs01-mid-drive-electric-bike-kit-bafang-b-series-back-in-stock-49d_047c9874-8f13-464d-9168-f21a8e216e84_60x.jpg

bbs01-mid-drive-electric-bike-kit-bafang-b-series-back-in-stock-49d_047c9874-8f13-464d-9168-f21a8e216e84_60x.jpg

114 ms

street-legal-electric-bike-kit-samsung-power-2-0-f29_cbb5548f-3604-4888-9e95-581b3872033b_60x.jpg

street-legal-electric-bike-kit-samsung-power-2-0-f29_cbb5548f-3604-4888-9e95-581b3872033b_60x.jpg

130 ms

bbs-hd1000-bafang-mid-drive-b-series-e36_60x.jpg

bbs-hd1000-bafang-mid-drive-b-series-e36_60x.jpg

146 ms

street-legal-electric-bike-kit-samsung-power-2-0-f29_9e10d2b6-1d1f-482f-b526-009bd6125465_60x.jpg

street-legal-electric-bike-kit-samsung-power-2-0-f29_9e10d2b6-1d1f-482f-b526-009bd6125465_60x.jpg

187 ms

battery_3_1x1.jpg

battery_3_1x1.jpg

219 ms

48v-li-ion-2a-8c3_1_1x1.jpg

48v-li-ion-2a-8c3_1_1x1.jpg

228 ms

rpas-upgraded-wiring-6f1_1_1x1.jpg

rpas-upgraded-wiring-6f1_1_1x1.jpg

225 ms

c965-lcd-display-a3e_1_1_1x1.jpg

c965-lcd-display-a3e_1_1_1x1.jpg

435 ms

bbs-bafang-twist-throttle-08e_1_1x1.jpg

bbs-bafang-twist-throttle-08e_1_1x1.jpg

398 ms

arc-torque-arm-516-3_1x1.jpg

arc-torque-arm-516-3_1x1.jpg

324 ms

Off_Road_Kit_22amp-48v-9-b-controller-3c6_1x1.jpg

Off_Road_Kit_22amp-48v-9-b-controller-3c6_1x1.jpg

302 ms

bafang-ba104-chainring-adapter-518_1_1x1.jpg

bafang-ba104-chainring-adapter-518_1_1x1.jpg

434 ms

battery_3_c1b9582b-afe3-4b25-8149-b19527c20e75_60x.jpg

battery_3_c1b9582b-afe3-4b25-8149-b19527c20e75_60x.jpg

349 ms

RimSizeNotice_cfb08b70-54da-4684-b1aa-ecc680bb35fa_60x.jpg

RimSizeNotice_cfb08b70-54da-4684-b1aa-ecc680bb35fa_60x.jpg

387 ms

street-legal-electric-bike-kit-samsung-power-2-0-a9c_60x.jpg

street-legal-electric-bike-kit-samsung-power-2-0-a9c_60x.jpg

396 ms

street-legal-electric-bike-kit-samsung-power-2-0-7cc_60x.jpg

street-legal-electric-bike-kit-samsung-power-2-0-7cc_60x.jpg

437 ms

BBScompatiblethrottle_60x.jpg

BBScompatiblethrottle_60x.jpg

428 ms

bbs-brake-sensor-01a_700x_76f7c7ba-a002-4b3a-a33b-6f6b4ab50018_60x.jpg

bbs-brake-sensor-01a_700x_76f7c7ba-a002-4b3a-a33b-6f6b4ab50018_60x.jpg

440 ms

street-legal-electric-bike-kit-samsung-power-2-0-7e8_130x.jpg

street-legal-electric-bike-kit-samsung-power-2-0-7e8_130x.jpg

436 ms

street-legal-electric-bike-kit-samsung-power-2-0-f29_130x.jpg

street-legal-electric-bike-kit-samsung-power-2-0-f29_130x.jpg

470 ms

battery_3_c1b9582b-afe3-4b25-8149-b19527c20e75_130x.jpg

battery_3_c1b9582b-afe3-4b25-8149-b19527c20e75_130x.jpg

633 ms

RimSizeNotice_cfb08b70-54da-4684-b1aa-ecc680bb35fa_130x.jpg

RimSizeNotice_cfb08b70-54da-4684-b1aa-ecc680bb35fa_130x.jpg

485 ms

dinnext_n5.780618dec464e6222d24888730ca26e0ca6ad6af.woff

dinnext_n5.780618dec464e6222d24888730ca26e0ca6ad6af.woff

445 ms

dinnext_n4.ba1a214c52f07ec250a5179209eb84e73639e1c9.woff

dinnext_n4.ba1a214c52f07ec250a5179209eb84e73639e1c9.woff

484 ms

dinnext_n7.8ca52ee0f403ce0c89c90387f16284e4637c1b10.woff

dinnext_n7.8ca52ee0f403ce0c89c90387f16284e4637c1b10.woff

458 ms

street-legal-electric-bike-kit-samsung-power-2-0-a9c_130x.jpg

street-legal-electric-bike-kit-samsung-power-2-0-a9c_130x.jpg

468 ms

street-legal-electric-bike-kit-samsung-power-2-0-7cc_130x.jpg

street-legal-electric-bike-kit-samsung-power-2-0-7cc_130x.jpg

459 ms

dinnext_i4.09dd19acb435d364f8a7263a588c573108d49efc.woff

dinnext_i4.09dd19acb435d364f8a7263a588c573108d49efc.woff

438 ms

dinnext_i7.28611b7c75be07249f4251b10e48a8d9f8dbf8ba.woff

dinnext_i7.28611b7c75be07249f4251b10e48a8d9f8dbf8ba.woff

436 ms

BBScompatiblethrottle_130x.jpg

BBScompatiblethrottle_130x.jpg

465 ms

bbs-brake-sensor-01a_700x_76f7c7ba-a002-4b3a-a33b-6f6b4ab50018_130x.jpg

bbs-brake-sensor-01a_700x_76f7c7ba-a002-4b3a-a33b-6f6b4ab50018_130x.jpg

437 ms

arc-torque-arm-516_60x.jpg

arc-torque-arm-516_60x.jpg

414 ms

Street_Kit_Banner_1_1d0e0ed6-177d-447a-91fd-d1be3f9e4238_1600x.jpg

Street_Kit_Banner_1_1d0e0ed6-177d-447a-91fd-d1be3f9e4238_1600x.jpg

369 ms

street-legal-electric-bike-kit-samsung-power-2-0-7e8_200x.jpg

street-legal-electric-bike-kit-samsung-power-2-0-7e8_200x.jpg

368 ms

premium-off-road-conversion-kit-first-image_200x.jpg

premium-off-road-conversion-kit-first-image_200x.jpg

442 ms

zendesk-embeddable.js

zendesk-embeddable.js

19 ms

instafeed-dc95f9534263adf980322cc31a619899.js

instafeed-dc95f9534263adf980322cc31a619899.js

118 ms

cart

cart

146 ms

snippet.js

snippet.js

26 ms

BBS_HD_Banner_1_8a75c17b-a806-4371-9f41-7b6eba64781a_1600x.jpg

BBS_HD_Banner_1_8a75c17b-a806-4371-9f41-7b6eba64781a_1600x.jpg

46 ms

bbs01-mid-drive-electric-bike-kit-bafang-b-series-back-in-stock-49d_200x.jpg

bbs01-mid-drive-electric-bike-kit-bafang-b-series-back-in-stock-49d_200x.jpg

212 ms

bbs01-mid-drive-electric-bike-kit-bafang-b-series-back-in-stock-49d_047c9874-8f13-464d-9168-f21a8e216e84_200x.jpg

bbs01-mid-drive-electric-bike-kit-bafang-b-series-back-in-stock-49d_047c9874-8f13-464d-9168-f21a8e216e84_200x.jpg

214 ms

bbs-hd1000-bafang-mid-drive-b-series-e36_200x.jpg

bbs-hd1000-bafang-mid-drive-b-series-e36_200x.jpg

204 ms

battery_3_300x.jpg

battery_3_300x.jpg

199 ms

48v-li-ion-2a-8c3_1_300x.jpg

48v-li-ion-2a-8c3_1_300x.jpg

232 ms

rpas-upgraded-wiring-6f1_1_300x.jpg

rpas-upgraded-wiring-6f1_1_300x.jpg

329 ms

c965-lcd-display-a3e_1_1_300x.jpg

c965-lcd-display-a3e_1_1_300x.jpg

445 ms

bbs-bafang-twist-throttle-08e_1_300x.jpg

bbs-bafang-twist-throttle-08e_1_300x.jpg

365 ms

arc-torque-arm-516-3_300x.jpg

arc-torque-arm-516-3_300x.jpg

285 ms

Off_Road_Kit_22amp-48v-9-b-controller-3c6_300x.jpg

Off_Road_Kit_22amp-48v-9-b-controller-3c6_300x.jpg

40 ms

bafang-ba104-chainring-adapter-518_1_300x.jpg

bafang-ba104-chainring-adapter-518_1_300x.jpg

197 ms

Accessibility Review

dillengerelectricbikes.co.uk accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

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.

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

dillengerelectricbikes.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

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

dillengerelectricbikes.co.uk SEO score

99

Search Engine Optimization Advices

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 Dillengerelectricbikes.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 Dillengerelectricbikes.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

dillengerelectricbikes.co.uk

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