Tools & Wizards About Us
tdi-tuning.co.uk screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

tdi-tuning.co.uk

TDI Tuning | Innovators in petrol, diesel, and hybrid tuning technology

Page Load Speed

9.3 sec in total

First Response

286 ms

Resources Loaded

8.5 sec

Page Rendered

467 ms

tdi-tuning.co.uk screenshot

About Website

Welcome to tdi-tuning.co.uk homepage info - get ready to check TDI Tuning best content for United Kingdom right away, or after learning these important things about tdi-tuning.co.uk

An innovator in custom tuning systems for a vast variety of vehicles. Get up to 40% power and 20% MPG. With over 15 years of experience in the tuning industry.

Visit tdi-tuning.co.uk

Key Findings

We analyzed Tdi-tuning.co.uk page load time and found that the first response time was 286 ms and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

tdi-tuning.co.uk performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value7,480 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value24.8 s

0/100

10%

Network Requests Diagram

tdi-tuning.co.uk

286 ms

www.tdi-tuning.co.uk

1364 ms

master.js

436 ms

rotater.js

272 ms

master_with_two_column_left_container_layout.css

456 ms

Our browser made a total of 161 requests to load all elements on the main page. We found that 37% of them (59 requests) were addressed to the original Tdi-tuning.co.uk, 19% (31 requests) were made to Static.xx.fbcdn.net and 13% (21 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (5.2 sec) belongs to the original domain Tdi-tuning.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 410.4 kB (23%)

Content Size

1.7 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tdi-tuning.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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 37.4 kB

  • Original 49.3 kB
  • After minification 42.4 kB
  • After compression 11.9 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. This page needs HTML code to be minified as it can gain 6.9 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 37.4 kB or 76% of the original size.

Image Optimization

-6%

Potential reduce by 77.6 kB

  • Original 1.3 MB
  • After minification 1.2 MB

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. TDI Tuning images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 207.0 kB

  • Original 347.7 kB
  • After minification 338.5 kB
  • After compression 140.7 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 207.0 kB or 60% of the original size.

CSS Optimization

-88%

Potential reduce by 88.4 kB

  • Original 100.2 kB
  • After minification 78.5 kB
  • After compression 11.8 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. Tdi-tuning.co.uk needs all CSS files to be minified and compressed as it can save up to 88.4 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 64 (42%)

Requests Now

154

After Optimization

90

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 154 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TDI Tuning. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tdi-tuning.co.uk

tdi-tuning.co.uk

286 ms

www.tdi-tuning.co.uk

www.tdi-tuning.co.uk

1364 ms

master.js

master.js

436 ms

rotater.js

rotater.js

272 ms

master_with_two_column_left_container_layout.css

master_with_two_column_left_container_layout.css

456 ms

index_two_column_left_container.css

index_two_column_left_container.css

284 ms

load.sumome.com

load.sumome.com

484 ms

search_filters.css

search_filters.css

357 ms

include.js

include.js

550 ms

ajax_file.js

ajax_file.js

368 ms

type.js

type.js

452 ms

drop.js

drop.js

477 ms

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seal.js

180 ms

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si.js

69 ms

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domready.js

493 ms

widget.js

widget.js

152 ms

tw.js

tw.js

520 ms

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math.js

514 ms

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517 ms

phone.js

phone.js

517 ms

tdi-tuning

tdi-tuning

534 ms

conversion.js

conversion.js

30 ms

fbds.js

fbds.js

171 ms

background.jpg

background.jpg

123 ms

header_background.jpg

header_background.jpg

304 ms

site_logo.png

site_logo.png

146 ms

basket_title.jpg

basket_title.jpg

160 ms

fast_email_support.png

fast_email_support.png

429 ms

money_back_guarantee.png

money_back_guarantee.png

552 ms

fitters_required.png

fitters_required.png

474 ms

essex_business_awards.jpg

essex_business_awards.jpg

352 ms

payment_options.png

payment_options.png

527 ms

pay4later_left.png

pay4later_left.png

468 ms

homepage_banner_1.jpg

homepage_banner_1.jpg

544 ms

home_banner.jpg

home_banner.jpg

798 ms

homepage_banner.jpg

homepage_banner.jpg

823 ms

text_what.png

text_what.png

568 ms

image_what.jpg

image_what.jpg

622 ms

text_benefits.png

text_benefits.png

666 ms

image_benefits.jpg

image_benefits.jpg

667 ms

text_circuitry.png

text_circuitry.png

662 ms

image_circuitry.jpg

image_circuitry.jpg

819 ms

we_tune_all_vehicles.jpg

we_tune_all_vehicles.jpg

5156 ms

text_safe.png

text_safe.png

736 ms

image_safe.jpg

image_safe.jpg

733 ms

text_warranty.png

text_warranty.png

830 ms

image_warranty.jpg

image_warranty.jpg

834 ms

text_why.png

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889 ms

image_why.jpg

image_why.jpg

5151 ms

twitter_follow.jpg

twitter_follow.jpg

920 ms

facebook_like.jpg

facebook_like.jpg

921 ms

small_logo.png

small_logo.png

931 ms

facebook_logo_footer.png

facebook_logo_footer.png

5141 ms

facebook_twitter_logo.png

facebook_twitter_logo.png

5141 ms

invite.js

invite.js

207 ms

current_bg.png

current_bg.png

5066 ms

menu_divider.png

menu_divider.png

5067 ms

find_your_vehicle.jpg

find_your_vehicle.jpg

5067 ms

periscopix.whoson.co.uk

periscopix.whoson.co.uk

251 ms

btn_search_green.gif

btn_search_green.gif

5080 ms

side_block_bottom.png

side_block_bottom.png

5080 ms

seal_image.php

seal_image.php

25 ms

smarticon

smarticon

36 ms

like.php

like.php

149 ms

likebox.php

likebox.php

516 ms

dp2.specificclick.net

dp2.specificclick.net

183 ms

categories_block_heading.png

categories_block_heading.png

5059 ms

other_block_heading.png

other_block_heading.png

5037 ms

background_slider.jpg

background_slider.jpg

5023 ms

61 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

286 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

324 ms

index_box_bg.png

index_box_bg.png

4879 ms

button_medium_navigation_alt.png

button_medium_navigation_alt.png

4921 ms

main_block_header.png

main_block_header.png

4927 ms

0

0

56 ms

footer_background.png

footer_background.png

4804 ms

plusone.js

plusone.js

68 ms

ga.js

ga.js

29 ms

410ucuAGgaJ.css

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49 ms

tSbl8xBI27R.css

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116 ms

Czh0gDTFcBt.css

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155 ms

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VyhHmC9SnBT.css

157 ms

Ek6lpayKeeB.css

Ek6lpayKeeB.css

203 ms

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197 ms

KltbAkvTele.css

KltbAkvTele.css

140 ms

q68gy-v_YMF.js

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210 ms

FJmpeSpHpjS.js

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274 ms

0wM5s1Khldu.js

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192 ms

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207 ms

njO1TPvGzoR.js

njO1TPvGzoR.js

243 ms

OloiM1PZafe.js

OloiM1PZafe.js

242 ms

LTv6ZK-5zxz.js

LTv6ZK-5zxz.js

353 ms

1FCa-btixu2.js

1FCa-btixu2.js

289 ms

Oagsvfb4VWi.js

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252 ms

pObvZSrFc_4.js

pObvZSrFc_4.js

333 ms

Kt4tkgSRvHH.js

Kt4tkgSRvHH.js

288 ms

H3EKDTObx05.js

H3EKDTObx05.js

289 ms

eR-qA8bp1RM.js

eR-qA8bp1RM.js

311 ms

1QuX41zDRrx.js

1QuX41zDRrx.js

332 ms

phone_tracking.js

phone_tracking.js

193 ms

__utm.gif

__utm.gif

12 ms

collect

collect

108 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

24 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

53 ms

fastbutton

fastbutton

112 ms

postmessageRelay

postmessageRelay

66 ms

ga-audiences

ga-audiences

73 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

47 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

31 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

57 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

63 ms

rpc:shindig_random.js

rpc:shindig_random.js

67 ms

feefoframe.css

feefoframe.css

4514 ms

logo

logo

86 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

4 ms

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4554 ms

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4585 ms

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4783 ms

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4664 ms

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4719 ms

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4720 ms

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4664 ms

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4718 ms

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4737 ms

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4752 ms

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4784 ms

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4786 ms

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4781 ms

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4838 ms

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4887 ms

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4937 ms

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4131 ms

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4130 ms

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56 ms

465 ms

poll.gif

poll.gif

102 ms

rTapTrack.min.js

rTapTrack.min.js

358 ms

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subcategory_details.html

subcategory_details.html

220 ms

17 ms

service.js

service.js

61 ms

service.js

service.js

95 ms

service.js

service.js

95 ms

numberReplacement.json;jsessionid=

numberReplacement.json;jsessionid=

448 ms

load

load

349 ms

status

status

298 ms

status

status

252 ms

I6-MnjEovm5.js

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41 ms

pQrUxxo5oQp.js

pQrUxxo5oQp.js

43 ms

__utm.gif

__utm.gif

256 ms

50 ms

scroll

scroll

91 ms

Accessibility Review

tdi-tuning.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.

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 IDs are not unique

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

tdi-tuning.co.uk best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

tdi-tuning.co.uk SEO score

81

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

    EN

  • Encoding

    US-ASCII

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tdi-tuning.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 Tdi-tuning.co.uk main page’s claimed encoding is us-ascii. 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

tdi-tuning.co.uk

Open Graph description is not detected on the main page of TDI Tuning. 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: