6.6 sec in total
280 ms
6 sec
345 ms
Click here to check amazing Centre For Sight content for United Kingdom. Otherwise, check out these important facts you probably never knew about centreforsight.com
World class LASIK Laser Eye Surgery & Vision Correction and Restoration, Cataract & Lens surgery from Centre for Sight in the UK. Surrey, Sussex & London. 0808 256 1571
Visit centreforsight.comWe analyzed Centreforsight.com page load time and found that the first response time was 280 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
centreforsight.com performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value4.3 s
41/100
25%
Value10.2 s
9/100
10%
Value710 ms
42/100
30%
Value0
100/100
15%
Value8.2 s
40/100
10%
280 ms
2057 ms
35 ms
249 ms
250 ms
Our browser made a total of 69 requests to load all elements on the main page. We found that 68% of them (47 requests) were addressed to the original Centreforsight.com, 6% (4 requests) were made to F.vimeocdn.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Centreforsight.com.
Page size can be reduced by 771.0 kB (41%)
1.9 MB
1.1 MB
In fact, the total size of Centreforsight.com main page is 1.9 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. 45% of websites need less resources to load. Images take 931.2 kB which makes up the majority of the site volume.
Potential reduce by 80.8 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 80.8 kB or 83% of the original size.
Potential reduce by 44.3 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. Centre For Sight images are well optimized though.
Potential reduce by 372.3 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 372.3 kB or 68% of the original size.
Potential reduce by 273.7 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. Centreforsight.com needs all CSS files to be minified and compressed as it can save up to 273.7 kB or 86% of the original size.
Number of requests can be reduced by 34 (52%)
66
32
The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centre For Sight. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
centreforsight.com
280 ms
www.centreforsight.com
2057 ms
css
35 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
249 ms
css_8I8tOCPjIVP6mfeMJ_e9IPVH1CnLb6wMloNuja55pnc.css
250 ms
css_bMmAMHHt9xoeHQz2XVP7qVba-JUJSw88jj8dso8zUiM.css
260 ms
css_cYLXrYzwG2BtSp1HJhqEmbsQdq4D3QmqvK2P9_qjkGg.css
263 ms
css_m5CUoIdctZmm-Yr94dqXr7Vw-bdDACX495KGcDMks6c.css
286 ms
css_9TKqACdUoV1amUSff7UbpAbrYIfODA1pgj67MbZKjH0.css
509 ms
local.css
846 ms
jquery-1.8.3.min.js
31 ms
js_3TykeRWpejhD4-J3vdlaNXdULg9xhOZhbsppK0o2bUs.js
529 ms
js_KCd8rbJYUruV1tRJnh4um34UYvyhlrSVCPR1jNko2h8.js
535 ms
js_R9UbiVw2xuTUI0GZoaqMDOdX0lrZtgX-ono8RVOUEVc.js
544 ms
js_FA2YSy0R3kB2AU_wIOLoSR0sJX4ZYjdPuPaRFd2ZDyw.js
552 ms
js_N1p2Duzlgq7dV4N90_PePT6SF9gNlxHC-KO6jKeYLCQ.js
771 ms
js_uL03e6qEfNQxSJ6AjVU7RzqUyE-2nGOPjRZnVUus0Yo.js
1000 ms
js_UDgQrDNCUGzvxgUJpPT6eRNC2N1xrjY2eXoVGWJNftI.js
807 ms
eyeleads-tracker.php
626 ms
page.js
26 ms
widget.js
49 ms
eyeleads-tracker.php
130 ms
logo.png
459 ms
6-1a.jpg
774 ms
katie_0.jpg
896 ms
10-1a.jpg
817 ms
13-1a.jpg
866 ms
14-1a.jpg
910 ms
correction.jpg
725 ms
laser.jpg
1173 ms
cataract.jpg
1174 ms
keratoconus.jpg
1226 ms
implants.jpg
1299 ms
cornea.jpg
1144 ms
london.jpg
1384 ms
oxshott.jpg
1584 ms
hospital.jpg
1579 ms
laser-eye-surgery-recovery-teaser-1.jpg
1889 ms
tanzania-teaser.jpg
1853 ms
resolution-2016-teaser.jpg
1746 ms
cataract-surgery-history-teaser-a.png
1836 ms
search.png
1843 ms
cqc.png
1849 ms
iso2.png
2194 ms
ISCAS2.png
2083 ms
recognised-by.png
2248 ms
back_to_top_btn.png
2108 ms
gtm.js
117 ms
104706279
305 ms
white_arrow.png
2085 ms
jquery.min.js
260 ms
fontawesome-webfont.woff
2469 ms
counter.js
36 ms
analytics.js
232 ms
t.php
496 ms
rTapTrack.min.js
537 ms
grippie.png
2018 ms
player.js
118 ms
player.css
78 ms
ga.js
91 ms
vuid.min.js
88 ms
collect
30 ms
collect
130 ms
__utm.gif
65 ms
proxy.html
51 ms
487324889.jpg
117 ms
ga-audiences
47 ms
numberReplacement.json;jsessionid=
474 ms
css_mDxCF8ImVBb6oiL7Rq6KarwvxmvDV5PjnhYNE29pt_0.css
91 ms
centreforsight.com accessibility score
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
<frame> or <iframe> elements do not have a title
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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
centreforsight.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
centreforsight.com 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
Image elements do not have [alt] attributes
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centreforsight.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Centreforsight.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.
centreforsight.com
Open Graph description is not detected on the main page of Centre For Sight. 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: