Tools & Wizards About Us
tewincars.co.uk screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

tewincars.co.uk

Used Cars and Vans Welwyn Garden City, Used Car and Van Dealer in Hertfordshire | Tewin Cars

Page Load Speed

5.1 sec in total

First Response

52 ms

Resources Loaded

4.8 sec

Page Rendered

312 ms

tewincars.co.uk screenshot

About Website

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

Tewin Cars is a used car and van dealer in Welwyn Garden City stocking a wide range of second hand cars and vans at great prices. Visit us today for affordable used cars and vans in Hertfordshire.

Visit tewincars.co.uk

Key Findings

We analyzed Tewincars.co.uk page load time and found that the first response time was 52 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

tewincars.co.uk performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value1,310 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

tewincars.co.uk

52 ms

www.allwoodautossandridge.co.uk

2132 ms

gtm.js

78 ms

froala_style.min.css

228 ms

app.css

267 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Tewincars.co.uk, 67% (34 requests) were made to Allwoodautossandridge.co.uk and 14% (7 requests) were made to S3-eu-west-1.amazonaws.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Allwoodautossandridge.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 67.7 kB (11%)

Content Size

589.6 kB

After Optimization

522.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tewincars.co.uk main page is 589.6 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. 50% of websites need less resources to load. Javascripts take 434.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 50.6 kB

  • Original 60.7 kB
  • After minification 49.3 kB
  • After compression 10.1 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. This page needs HTML code to be minified as it can gain 11.4 kB, which is 19% 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 50.6 kB or 83% of the original size.

Image Optimization

-37%

Potential reduce by 3.2 kB

  • Original 8.8 kB
  • After minification 5.6 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. Obviously, Tewin Cars needs image optimization as it can save up to 3.2 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.2 kB

  • Original 434.8 kB
  • After minification 434.8 kB
  • After compression 431.6 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

-13%

Potential reduce by 10.7 kB

  • Original 85.3 kB
  • After minification 85.3 kB
  • After compression 74.7 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. Tewincars.co.uk needs all CSS files to be minified and compressed as it can save up to 10.7 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (57%)

Requests Now

46

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tewin Cars. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tewincars.co.uk

tewincars.co.uk

52 ms

www.allwoodautossandridge.co.uk

www.allwoodautossandridge.co.uk

2132 ms

gtm.js

gtm.js

78 ms

froala_style.min.css

froala_style.min.css

228 ms

app.css

app.css

267 ms

slick.css

slick.css

327 ms

slick-theme.css

slick-theme.css

297 ms

fontawesome-all.min.css

fontawesome-all.min.css

312 ms

leaflet.css

leaflet.css

262 ms

leaflet-gesture-handling.min.css

leaflet-gesture-handling.min.css

476 ms

magnific-popup.css

magnific-popup.css

2003 ms

styles.css

styles.css

2049 ms

animate.min.css

animate.min.css

49 ms

css2

css2

59 ms

css2

css2

75 ms

3643be2d-a705-4dd2-b85c-0ebdc4325834.svg

3643be2d-a705-4dd2-b85c-0ebdc4325834.svg

465 ms

email-decode.min.js

email-decode.min.js

297 ms

jquery.min.js

jquery.min.js

426 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

502 ms

foundation.min.js

foundation.min.js

556 ms

dompurify.min.js

dompurify.min.js

624 ms

dropzone.min.js

dropzone.min.js

688 ms

slick.min.js

slick.min.js

2252 ms

leaflet.min.js

leaflet.min.js

735 ms

leaflet-gesture-handling.min.js

leaflet-gesture-handling.min.js

825 ms

leaflet-unwired.js

leaflet-unwired.js

55 ms

enterprise.js

enterprise.js

53 ms

cookies-eu-banner.min.js

cookies-eu-banner.min.js

888 ms

main.js

main.js

966 ms

custom.js

custom.js

974 ms

whatsapp.svg

whatsapp.svg

1072 ms

logo.svg

logo.svg

1191 ms

b2d5175c-de13-4965-a23d-fd85628e3b22.svg

b2d5175c-de13-4965-a23d-fd85628e3b22.svg

500 ms

26933ee8-a5fd-46a8-b5ae-add8b5e38f16.svg

26933ee8-a5fd-46a8-b5ae-add8b5e38f16.svg

404 ms

f628ae25-da8f-4597-a598-9eb74209c17c.svg

f628ae25-da8f-4597-a598-9eb74209c17c.svg

338 ms

03c30732-60db-469b-9ef5-7ddf5eea0fe0.svg

03c30732-60db-469b-9ef5-7ddf5eea0fe0.svg

419 ms

7e30436f-82f2-41ba-a319-b46bda28330b.svg

7e30436f-82f2-41ba-a319-b46bda28330b.svg

424 ms

20104615-7503-48a9-a9f4-d6dbda86444d.svg

20104615-7503-48a9-a9f4-d6dbda86444d.svg

654 ms

38be717e-06bd-4a32-b622-1601890f3b2e.png.webp

38be717e-06bd-4a32-b622-1601890f3b2e.png.webp

50 ms

dropdown.png

dropdown.png

220 ms

dfa61a26-1668-4c88-8e09-8a5768fcd4aa.png.webp

dfa61a26-1668-4c88-8e09-8a5768fcd4aa.png.webp

48 ms

909d8220-5e7e-46a0-9b6c-f922e23cbfa3.png.webp

909d8220-5e7e-46a0-9b6c-f922e23cbfa3.png.webp

47 ms

5a65cf6d-829f-41c6-bd0e-0a1861a43cb2.png.webp

5a65cf6d-829f-41c6-bd0e-0a1861a43cb2.png.webp

49 ms

088ecb9d-db22-46cc-9ff9-a6476da5852f.png.webp

088ecb9d-db22-46cc-9ff9-a6476da5852f.png.webp

50 ms

48634173-05ea-4cb9-b22a-f9f651a14519.png.webp

48634173-05ea-4cb9-b22a-f9f651a14519.png.webp

51 ms

a8a48d13-4456-4abe-8514-7815eebb1690.png.webp

a8a48d13-4456-4abe-8514-7815eebb1690.png.webp

50 ms

sn.png

sn.png

220 ms

tssoApxBaigK_hnnS_anhng.ttf

tssoApxBaigK_hnnS_anhng.ttf

66 ms

tssoApxBaigK_hnnS-aghng.ttf

tssoApxBaigK_hnnS-aghng.ttf

66 ms

fa-brands-400.ttf

fa-brands-400.ttf

437 ms

recaptcha__en.js

recaptcha__en.js

32 ms

Accessibility Review

tewincars.co.uk accessibility score

63

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

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

tewincars.co.uk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

tewincars.co.uk SEO score

74

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 Tewincars.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 Tewincars.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

tewincars.co.uk

Open Graph description is not detected on the main page of Tewin Cars. 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: