5 sec in total
1.3 sec
3.5 sec
237 ms
Click here to check amazing Coles Books content for United Kingdom. Otherwise, check out these important facts you probably never knew about coles-books.co.uk
Award-winning independent bookseller of books, including signed and limited edition, in Oxfordshire. Shipping worldwide.
Visit coles-books.co.ukWe analyzed Coles-books.co.uk page load time and found that the first response time was 1.3 sec and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
coles-books.co.uk performance score
name
value
score
weighting
Value3.9 s
26/100
10%
Value4.6 s
34/100
25%
Value10.3 s
8/100
10%
Value2,120 ms
7/100
30%
Value0.289
41/100
15%
Value22.2 s
1/100
10%
1292 ms
301 ms
1111 ms
56 ms
833 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that 64% of them (16 requests) were addressed to the original Coles-books.co.uk, 24% (6 requests) were made to Secure.worldpay.com and 8% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Coles-books.co.uk.
Page size can be reduced by 752.4 kB (33%)
2.3 MB
1.5 MB
In fact, the total size of Coles-books.co.uk main page is 2.3 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. 25% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 56.9 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 56.9 kB or 32% of the original size.
Potential reduce by 35.9 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. Coles Books images are well optimized though.
Potential reduce by 473.9 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 473.9 kB or 77% of the original size.
Potential reduce by 185.7 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. Coles-books.co.uk needs all CSS files to be minified and compressed as it can save up to 185.7 kB or 87% of the original size.
We found no issues to fix!
24
24
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coles Books. According to our analytics all requests are already optimized.
coles-books.co.uk
1292 ms
017c0c55ae4565250bc22a533268d67d.css
301 ms
6c054f28cf5c39dd3492da9a833f7cf7.js
1111 ms
css
56 ms
bb3c05640144335ae048cae5ab8cd4d2.css
833 ms
logo
612 ms
ga.js
113 ms
logo-header-fragment.jpg
225 ms
coles-books-logo-w-text-top.png
129 ms
coles-books-logo-w-text-top-sm.png
127 ms
icon_sprite.png
128 ms
RealShop.png
321 ms
Music.png
706 ms
FilmTV.png
544 ms
Gifts.png
914 ms
pam_group_photo.jpg
854 ms
footer-bar.jpg
330 ms
danny_boy_sm.gif
425 ms
social_icons.png
398 ms
WP_ECMC.gif
89 ms
WP_JCB.gif
174 ms
WP_MAESTRO.gif
270 ms
WP_VISA_DELTA.gif
260 ms
poweredByWorldPay.gif
342 ms
__utm.gif
13 ms
coles-books.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
Form elements do not have associated labels
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
coles-books.co.uk 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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
coles-books.co.uk SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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 Coles-books.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 Coles-books.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.
coles-books.co.uk
Open Graph description is not detected on the main page of Coles Books. 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: