42 sec in total
329 ms
27.8 sec
13.9 sec
Welcome to screwfix.com homepage info - get ready to check Screwfix best content for United Kingdom right away, or after learning these important things about screwfix.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 screwfix.comWe analyzed Screwfix.com page load time and found that the first response time was 329 ms and then it took 41.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
screwfix.com performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value9.1 s
1/100
25%
Value8.1 s
21/100
10%
Value1,300 ms
18/100
30%
Value0.11
87/100
15%
Value11.5 s
18/100
10%
329 ms
872 ms
468 ms
350 ms
101 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 30% of them (14 requests) were addressed to the original Screwfix.com, 49% (23 requests) were made to Cdn-us-cf2.yottaa.net and 15% (7 requests) were made to Tags.tiqcdn.com. The less responsive or slowest element that took the longest time to load (8.4 sec) relates to the external source Tags.tiqcdn.com.
Page size can be reduced by 2.3 MB (49%)
4.7 MB
2.4 MB
In fact, the total size of Screwfix.com main page is 4.7 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 1.8 MB which makes up the majority of the site volume.
Potential reduce by 235.6 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. This page needs HTML code to be minified as it can gain 35.2 kB, which is 12% 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 235.6 kB or 80% of the original size.
Potential reduce by 86.9 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. Screwfix images are well optimized though.
Potential reduce by 904.2 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 904.2 kB or 72% of the original size.
Potential reduce by 1.0 MB
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. Screwfix.com needs all CSS files to be minified and compressed as it can save up to 1.0 MB or 83% of the original size.
Number of requests can be reduced by 13 (29%)
45
32
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Screwfix. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
screwfix.com
329 ms
www.screwfix.com
872 ms
dtagent_ICAbjp_6000500081013.js
468 ms
home-page.css.Y$DU.css
350 ms
sfx.min.css.Y$DU.css
101 ms
business.min.css.Y$DU.css
101 ms
lib.min.js
333 ms
browse.js
320 ms
screwfix-logo.svg
608 ms
Screwfix%20Exclusive_3
852 ms
assort_topdeals.png
467 ms
assort_newlines.jpg
653 ms
assort_connectedhomes.jpg
430 ms
assort_screwfixlive.png
431 ms
assort_workshop.png
430 ms
atoz_sprite_brandscroller.png
653 ms
connect-with-us.svg
651 ms
some-icons.svg
730 ms
trade-account.png
762 ms
gtm.js
719 ms
utag.js
712 ms
font-awesome-custom.woff
294 ms
archivonarrow-bold-webfont.woff
292 ms
dynaTraceMonitor
179 ms
www.screwfix.com
943 ms
dynaTraceMonitor
1579 ms
homepage-service-sprite.jpg
949 ms
deal-logo.png
455 ms
screwfix_bold-webfont_v1.woff
404 ms
screwfix_heavy-webfont_v1.woff
979 ms
screwfix_regular-webfont_v1.woff
859 ms
dynaTraceMonitor
979 ms
flag-sprite.svg
96 ms
pp-acceptance-small.png
2402 ms
sprite-cards.png
1298 ms
cookieconsent.css
7713 ms
utag.14.js
8374 ms
utag.15.js
8313 ms
utag.61.js
8313 ms
utag.71.js
8293 ms
utag.83.js
8168 ms
utag.84.js
8168 ms
main-nav.jsp
7580 ms
hp-cat131-topdeals_lg.png
2010 ms
lvl2_powertools_8395V_lg.png
1936 ms
lvl2_plumbing_76575_lg.png
1937 ms
dod_sfx_tue_lg.png
1936 ms
screwfix.com accessibility score
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
ARIA input fields do not have accessible names
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[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
Some elements have a [tabindex] value greater than 0
screwfix.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
screwfix.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Screwfix.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 Screwfix.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.
screwfix.com
Open Graph description is not detected on the main page of Screwfix. 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: