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screwfi.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

screwfi.com

Screwfix | The UK's Leading Retailer of Trade Tools & Hardware | Screwfix

Page Load Speed

4.6 sec in total

First Response

12 ms

Resources Loaded

2.5 sec

Page Rendered

2.1 sec

screwfi.com screenshot

About Website

Visit screwfi.com now to see the best up-to-date Screwfi content and also check out these interesting facts you probably never knew about screwfi.com

Screwfix: Thousands of products at trade prices | FREE delivery available 7 days a week | FREE click & collect in as little as a minute | Hundreds of stores

Visit screwfi.com

Key Findings

We analyzed Screwfi.com page load time and found that the first response time was 12 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

screwfi.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value2,220 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.173

69/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

Network Requests Diagram

www.screwfix.com

12 ms

www.screwfix.com

691 ms

ruxitagentjs_A7NVfhjqrux_10291240606133530.js

369 ms

21869940962

120 ms

utag.js

22 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Screwfi.com, 44% (38 requests) were made to Media.screwfix.com and 1% (1 request) were made to Optimizely.screwfix.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Media.screwfix.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 462.6 kB (35%)

Content Size

1.3 MB

After Optimization

875.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Screwfi.com main page is 1.3 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 723.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 447.6 kB

  • Original 594.6 kB
  • After minification 594.6 kB
  • After compression 147.0 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 447.6 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 15.0 kB

  • Original 723.6 kB
  • After minification 708.5 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. Screwfi images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 4 B

  • Original 19.6 kB
  • After minification 19.6 kB
  • After compression 19.6 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.

Requests Breakdown

Number of requests can be reduced by 39 (47%)

Requests Now

83

After Optimization

44

  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Screwfi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.screwfix.com

www.screwfix.com

12 ms

www.screwfix.com

www.screwfix.com

691 ms

ruxitagentjs_A7NVfhjqrux_10291240606133530.js

ruxitagentjs_A7NVfhjqrux_10291240606133530.js

369 ms

21869940962

21869940962

120 ms

utag.js

utag.js

22 ms

srvinit.js

srvinit.js

24 ms

15cc8c9d4c4e71b4.css

15cc8c9d4c4e71b4.css

28 ms

3c35f70682317e16.css

3c35f70682317e16.css

37 ms

6feb26c3e4f60c83.css

6feb26c3e4f60c83.css

28 ms

73ee9c61627034b7.css

73ee9c61627034b7.css

33 ms

eb3b3c02ac5305e2.css

eb3b3c02ac5305e2.css

31 ms

58964455a0d5adb7.css

58964455a0d5adb7.css

36 ms

0aa4ebaaf0b4181d.css

0aa4ebaaf0b4181d.css

41 ms

8606887208258dd5.css

8606887208258dd5.css

46 ms

4b6d9c70f7abb557.css

4b6d9c70f7abb557.css

38 ms

3a87efbb0f572e99.css

3a87efbb0f572e99.css

39 ms

b84ed9be995ba8c1.css

b84ed9be995ba8c1.css

38 ms

polyfills-78c92fac7aa8fdd8.js

polyfills-78c92fac7aa8fdd8.js

41 ms

StyledLayoutPage.3435e2a690c3ee8b.js

StyledLayoutPage.3435e2a690c3ee8b.js

42 ms

9472-176bae5e5a21019d.js

9472-176bae5e5a21019d.js

41 ms

ImageBannerComponent.037b8d2476e37e45.js

ImageBannerComponent.037b8d2476e37e45.js

42 ms

3467-3412beeea48c4487.js

3467-3412beeea48c4487.js

42 ms

2785-148b2c43cca9d499.js

2785-148b2c43cca9d499.js

102 ms

CategoryGridEnhanced.1ed73e4922f6ac9f.js

CategoryGridEnhanced.1ed73e4922f6ac9f.js

100 ms

9851-dc15bdd06f6758e2.js

9851-dc15bdd06f6758e2.js

100 ms

3301-4c4f2719df5161fc.js

3301-4c4f2719df5161fc.js

101 ms

3028.9d4b5c7145ba8c9d.js

3028.9d4b5c7145ba8c9d.js

101 ms

HalfWidthContainer.8013648f0f367c8b.js

HalfWidthContainer.8013648f0f367c8b.js

101 ms

LayoutContainer.ccc634ea5489d1b6.js

LayoutContainer.ccc634ea5489d1b6.js

101 ms

webpack-5695143a21d56b14.js

webpack-5695143a21d56b14.js

103 ms

framework-9655ec7bb05d0a86.js

framework-9655ec7bb05d0a86.js

101 ms

main-98f4ccd37e183151.js

main-98f4ccd37e183151.js

102 ms

_app-026e1786f893726a.js

_app-026e1786f893726a.js

101 ms

6741-7fe5b06a7dd7ff4c.js

6741-7fe5b06a7dd7ff4c.js

101 ms

223-c4f53b1576925296.js

223-c4f53b1576925296.js

102 ms

2073-a4bb214b82ee1c48.js

2073-a4bb214b82ee1c48.js

103 ms

9745-35061a12464e8483.js

9745-35061a12464e8483.js

102 ms

7262-7da53c400a4e7979.js

7262-7da53c400a4e7979.js

103 ms

8340-47c15874444375d9.js

8340-47c15874444375d9.js

104 ms

screwfix-logo-uk

screwfix-logo-uk

153 ms

Clearance_Tile

Clearance_Tile

434 ms

packed_with_power_header_fw_image_banner_v3_lg

packed_with_power_header_fw_image_banner_v3_lg

448 ms

PWP_Dewalt_1210g_cat_grid_enhanced

PWP_Dewalt_1210g_cat_grid_enhanced

634 ms

PWP_Evolution_128hf_cat_grid_enhanced

PWP_Evolution_128hf_cat_grid_enhanced

467 ms

PWP_Milwaukee_625kn_cat_grid_enhanced_v2

PWP_Milwaukee_625kn_cat_grid_enhanced_v2

668 ms

PWP_Bosch_900gl_cat_grid_enhanced_v2

PWP_Bosch_900gl_cat_grid_enhanced_v2

504 ms

PWP_erbauer_cat_grid_enhanced

PWP_erbauer_cat_grid_enhanced

439 ms

PWP_festool_cat_grid_enhanced

PWP_festool_cat_grid_enhanced

651 ms

PWP_makita_cat_grid_enhanced

PWP_makita_cat_grid_enhanced

748 ms

PWP_stihl_cat_grid_enhanced

PWP_stihl_cat_grid_enhanced

650 ms

Rain_fw_image_banner_cta_lg

Rain_fw_image_banner_cta_lg

922 ms

rain_essentials_523jh_cat_grid_enhanced

rain_essentials_523jh_cat_grid_enhanced

942 ms

rain_essentials_7001v_cat_grid_enhanced

rain_essentials_7001v_cat_grid_enhanced

948 ms

rain_essentials_940fr_cat_grid_enhanced

rain_essentials_940fr_cat_grid_enhanced

1071 ms

rain_essentials_5275v_cat_grid_enhanced

rain_essentials_5275v_cat_grid_enhanced

812 ms

autumn1_HIO_606hn_612xp_flomasta_trv_cat_grid_enhanced

autumn1_HIO_606hn_612xp_flomasta_trv_cat_grid_enhanced

996 ms

autumn1_545pj_magnusson_cat_grid_enhanced

autumn1_545pj_magnusson_cat_grid_enhanced

946 ms

autumn1_555gx_dewalt_bit_set_grid_enhanced_v2

autumn1_555gx_dewalt_bit_set_grid_enhanced_v2

1167 ms

autumn1_3248g_waterheaters_cat_grid_enhanced

autumn1_3248g_waterheaters_cat_grid_enhanced

1340 ms

autumn1_7521x_showertrays_cat_grid_enhanced

autumn1_7521x_showertrays_cat_grid_enhanced

1219 ms

autumn_job_done_header_fw_image_banner_ultra_slim_lg

autumn_job_done_header_fw_image_banner_ultra_slim_lg

1355 ms

autumn2_store_away_75735_cat_grid_enhanced

autumn2_store_away_75735_cat_grid_enhanced

1270 ms

autumn2_leaf_tidy_517XF_cat_grid_enhanced

autumn2_leaf_tidy_517XF_cat_grid_enhanced

1492 ms

autumn2_log_prep_419XF_cat_grid_enhanced

autumn2_log_prep_419XF_cat_grid_enhanced

1342 ms

autumn2_final_cut_500pt_cat_grid_enhanced

autumn2_final_cut_500pt_cat_grid_enhanced

1617 ms

summer3_sf_live_2024_cat_grid_enhanced_lg_r1

summer3_sf_live_2024_cat_grid_enhanced_lg_r1

1517 ms

NOR_blaklader_969tc_catgrid_enhanced_v3

NOR_blaklader_969tc_catgrid_enhanced_v3

1740 ms

aut1_latest_offers_cat_grid_enhanced_lg

aut1_latest_offers_cat_grid_enhanced_lg

1603 ms

help

help

1410 ms

chat-empty

chat-empty

1430 ms

30day

30day

1451 ms

card-visa-small_v2

card-visa-small_v2

1463 ms

card-mastercard-small

card-mastercard-small

1510 ms

amex_card_small_v2

amex_card_small_v2

1505 ms

card-maestro-small

card-maestro-small

1528 ms

card-visa-electron-small_v2

card-visa-electron-small_v2

1524 ms

9476-bc1707928b2de906.js

9476-bc1707928b2de906.js

90 ms

293-18078f882a6b7ae1.js

293-18078f882a6b7ae1.js

89 ms

%5B%5B...route%5D%5D-ebc60b8b3c1d1475.js

%5B%5B...route%5D%5D-ebc60b8b3c1d1475.js

85 ms

_buildManifest.js

_buildManifest.js

82 ms

_ssgManifest.js

_ssgManifest.js

78 ms

connect-with-us.svg

connect-with-us.svg

77 ms

so%D1%81ial-icons.svg

so%D1%81ial-icons.svg

76 ms

old-browser-icons-sprite.0fac3361.png

old-browser-icons-sprite.0fac3361.png

45 ms

card-trade-account_v2

card-trade-account_v2

1388 ms

card-paypal-small

card-paypal-small

1100 ms

Accessibility Review

screwfi.com accessibility score

89

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.

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

screwfi.com best practices score

83

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

Browser errors were logged to the console

SEO Factors

screwfi.com SEO score

93

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

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

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 Screwfi.com 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 Screwfi.com 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

screwfi.com

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