3.6 sec in total
276 ms
3.1 sec
168 ms
Click here to check amazing Zapper content for United Kingdom. Otherwise, check out these important facts you probably never knew about zapper.co.uk
Visit Zapper.co.uk to sell your books, CDs, DVDs and games online. Based in the UK we offer a quick turnaround and free postage.
Visit zapper.co.ukWe analyzed Zapper.co.uk page load time and found that the first response time was 276 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
zapper.co.uk performance score
name
value
score
weighting
Value5.4 s
6/100
10%
Value12.5 s
0/100
25%
Value10.2 s
8/100
10%
Value1,100 ms
24/100
30%
Value0.044
99/100
15%
Value14.6 s
8/100
10%
276 ms
379 ms
249 ms
253 ms
256 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 65% of them (43 requests) were addressed to the original Zapper.co.uk, 6% (4 requests) were made to D.adroll.com and 5% (3 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Zapper.co.uk.
Page size can be reduced by 504.0 kB (48%)
1.1 MB
556.8 kB
In fact, the total size of Zapper.co.uk main page is 1.1 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. 30% of websites need less resources to load. Javascripts take 559.9 kB which makes up the majority of the site volume.
Potential reduce by 13.9 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. 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 13.9 kB or 70% of the original size.
Potential reduce by 17.5 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. Zapper images are well optimized though.
Potential reduce by 376.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 376.6 kB or 67% of the original size.
Potential reduce by 96.1 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. Zapper.co.uk needs all CSS files to be minified and compressed as it can save up to 96.1 kB or 80% of the original size.
Number of requests can be reduced by 33 (57%)
58
25
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zapper. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
zapper.co.uk
276 ms
zapper.co.uk
379 ms
main.css
249 ms
content.css
253 ms
navigation.css
256 ms
jquery-ui.min.css
256 ms
jquery-ui.structure.min.css
259 ms
jquery-ui.theme.min.css
283 ms
homepage-02.css
504 ms
jquery-1.11.3.min.js
621 ms
jquery-ui.min.js
809 ms
json2.js
529 ms
zapper.20150726.js
635 ms
homesteps-plugins-min.js
653 ms
homesteps-main.js
747 ms
trackingCode.js
151 ms
dc.js
79 ms
gtm.js
121 ms
barcode-tile.gif
214 ms
zapper-logo.png
106 ms
nav-bg-dark.gif
257 ms
nav-sp-dark.gif
258 ms
navbar-end-dark.png
259 ms
black-corner.gif
261 ms
homepage-02-bg.png
769 ms
homepage-02-media-bg.png
436 ms
homepage-02-lego-bg.png
523 ms
homepage-02-mobile-bg.png
527 ms
homepage-02-electronics-bg.png
527 ms
zapper-panel-bg.jpg
529 ms
panel-arrow.png
772 ms
panel-icons.png
770 ms
homepage-app-bg.png
936 ms
homepage-app-appstore.png
774 ms
homepage-app-googleplay.png
777 ms
homepage-review-bg.png
1013 ms
homepage-review-stars.png
1021 ms
homepage-den-bg.png
1021 ms
corner.png
1024 ms
facebook-monochrome.png
1028 ms
twitter-monochrome.png
1182 ms
09d74e12-003d-45c0-882d-271717150255.woff
1339 ms
__utm.gif
31 ms
roundtrip.js
42 ms
ATRK_BD51F698_min.js
217 ms
JM4VSX5XARFY7A2I3MVRDM.js
118 ms
out
20 ms
tr
129 ms
140 ms
tr
146 ms
out
44 ms
out
44 ms
adsct
127 ms
u.php
117 ms
pixel
86 ms
53 ms
tap.php
29 ms
sync
27 ms
377928.gif
6 ms
sd
6 ms
22 ms
in
5 ms
homepage-02-media-bg-roll.png
85 ms
homepage-02-lego-bg-roll.png
250 ms
homepage-02-mobile-bg-roll.png
250 ms
homepage-02-electronics-bg-roll.png
252 ms
zapper.co.uk accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Links do not have a discernible name
zapper.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
zapper.co.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zapper.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 Zapper.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.
zapper.co.uk
Open Graph description is not detected on the main page of Zapper. 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: