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screwsline.co.uk screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

screwsline.co.uk

Screwsline - Specialists in new & vintage brass, chrome, steel and stainless slotted wood screws, nuts, bolts, washers, ironmongery & more

Page Load Speed

3.1 sec in total

First Response

218 ms

Resources Loaded

2.8 sec

Page Rendered

126 ms

screwsline.co.uk screenshot

About Website

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

The UK's 1st Screwmonger specialising in new, old & antique slotted wood screws, nuts, bolts, washers & ironmongery in brass, steel, stainless & chrome

Visit screwsline.co.uk

Key Findings

We analyzed Screwsline.co.uk page load time and found that the first response time was 218 ms and then it took 2.9 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

screwsline.co.uk performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

screwsline.co.uk

218 ms

www.screwsline.co.uk

445 ms

gtm.js

94 ms

analytics.js

47 ms

bat.js

85 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 74% of them (40 requests) were addressed to the original Screwsline.co.uk, 4% (2 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (820 ms) belongs to the original domain Screwsline.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.4 kB (19%)

Content Size

311.6 kB

After Optimization

252.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Screwsline.co.uk main page is 311.6 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. Images take 210.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 26.2 kB

  • Original 33.8 kB
  • After minification 31.8 kB
  • After compression 7.6 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 26.2 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 1.3 kB

  • Original 210.4 kB
  • After minification 209.1 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. Screwsline images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 32.0 kB

  • Original 67.5 kB
  • After minification 67.5 kB
  • After compression 35.5 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 32.0 kB or 47% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (44%)

Requests Now

45

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Screwsline. 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 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

screwsline.co.uk

screwsline.co.uk

218 ms

www.screwsline.co.uk

www.screwsline.co.uk

445 ms

gtm.js

gtm.js

94 ms

analytics.js

analytics.js

47 ms

bat.js

bat.js

85 ms

hotjar-616125.js

hotjar-616125.js

135 ms

bootstrap.min.css

bootstrap.min.css

80 ms

main81.css

main81.css

303 ms

all.min.css

all.min.css

804 ms

slick.css

slick.css

302 ms

banner1.css

banner1.css

307 ms

sharethis.js

sharethis.js

42 ms

top.png

top.png

403 ms

screwsline_retina.png

screwsline_retina.png

404 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

79 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

483 ms

plugins.js

plugins.js

391 ms

bootstrap.min.js

bootstrap.min.js

79 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

80 ms

main4.js

main4.js

390 ms

jquery.ui.effect.js

jquery.ui.effect.js

576 ms

catrow1.js

catrow1.js

484 ms

slick.min.js

slick.min.js

604 ms

banner1.js

banner1.js

504 ms

unionjack_small.gif

unionjack_small.gif

574 ms

paypal-curved-32px.png

paypal-curved-32px.png

575 ms

visa-curved-32px.png

visa-curved-32px.png

607 ms

mastercard-curved-32px.png

mastercard-curved-32px.png

667 ms

maestro-curved-32px.png

maestro-curved-32px.png

667 ms

visa-electron-curved-32px.png

visa-electron-curved-32px.png

668 ms

delta-curved-32px.png

delta-curved-32px.png

707 ms

collect

collect

39 ms

mildsteel.jpg

mildsteel.jpg

820 ms

sheradized.jpg

sheradized.jpg

694 ms

unionjack.gif

unionjack.gif

696 ms

brass_csk2.jpg

brass_csk2.jpg

697 ms

stainless2.jpg

stainless2.jpg

819 ms

delivery.jpg

delivery.jpg

820 ms

phone.gif

phone.gif

820 ms

collect

collect

48 ms

js

js

59 ms

modules.3b9efc26f753310c2bd8.js

modules.3b9efc26f753310c2bd8.js

18 ms

ga-audiences

ga-audiences

140 ms

delivery1.png

delivery1.png

106 ms

blue_diamond.png

blue_diamond.png

106 ms

vintage-sale-label4.jpg

vintage-sale-label4.jpg

209 ms

clearance_bg.jpg

clearance_bg.jpg

111 ms

lato-regular-webfont.woff

lato-regular-webfont.woff

96 ms

fa-solid-900.ttf

fa-solid-900.ttf

555 ms

fa-regular-400.ttf

fa-regular-400.ttf

216 ms

fa-light-300.ttf

fa-light-300.ttf

762 ms

fa-thin-100.ttf

fa-thin-100.ttf

658 ms

lato-bold-webfont.woff

lato-bold-webfont.woff

189 ms

fa-brands-400.ttf

fa-brands-400.ttf

448 ms

Accessibility Review

screwsline.co.uk accessibility score

70

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

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

screwsline.co.uk best practices score

75

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

Browser errors were logged to the console

SEO Factors

screwsline.co.uk SEO score

83

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

    UTF-8

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

screwsline.co.uk

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