7 sec in total
508 ms
4.6 sec
1.9 sec
Welcome to cert.bham.ac.uk homepage info - get ready to check Cert Bham best content for United Kingdom right away, or after learning these important things about cert.bham.ac.uk
A world top 100 university and part of the prestigious Russell Group, the University of Birmingham makes important things happen.
Visit cert.bham.ac.ukWe analyzed Cert.bham.ac.uk page load time and found that the first response time was 508 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
cert.bham.ac.uk performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value5.4 s
20/100
25%
Value6.6 s
37/100
10%
Value510 ms
57/100
30%
Value0.141
78/100
15%
Value8.6 s
37/100
10%
508 ms
369 ms
370 ms
459 ms
279 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Cert.bham.ac.uk, 86% (37 requests) were made to Birmingham.ac.uk and 7% (3 requests) were made to Cdn-ukwest.onetrust.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Birmingham.ac.uk.
Page size can be reduced by 57.8 kB (11%)
550.0 kB
492.2 kB
In fact, the total size of Cert.bham.ac.uk main page is 550.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 390.3 kB which makes up the majority of the site volume.
Potential reduce by 35.7 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 9.3 kB, which is 16% 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 35.7 kB or 62% of the original size.
Potential reduce by 21.8 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. Cert Bham images are well optimized though.
Potential reduce by 170 B
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.
Potential reduce by 216 B
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. Cert.bham.ac.uk has all CSS files already compressed.
Number of requests can be reduced by 12 (29%)
41
29
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cert Bham. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
cert.bham.ac.uk
508 ms
index.aspx
369 ms
WebResource.axd
370 ms
styles.css
459 ms
modernizr.js
279 ms
all.min.js
646 ms
jesse-owens-180x180-min.jpg
821 ms
creativity-and-curosity-180x180-min.jpg
820 ms
pop-comes-to-campus-180x180-min.jpg
821 ms
pacemaker-180x180-min.jpg
821 ms
degas.jpg
821 ms
bramall.jpg
813 ms
book-hours-crl-promo-2.jpg
1112 ms
ammonite.jpg
1129 ms
winterbourne-2017.jpg
1114 ms
music.jpg
1123 ms
research-and-c-collections.jpg
1122 ms
uob-logo.svg
1211 ms
commonwealth-games-2022-partner.svg
1574 ms
gtm.js
196 ms
menu.svg
1338 ms
hero-image-test-1.jpg
1613 ms
open-days-autumn-2021-1a180c-fp-ra-2-min.jpg
1434 ms
ancient-shark-000000-fp-la-min.jpg
1442 ms
birmingham-tech-week-c2e9f8-fp-ra-min.jpg
1555 ms
gas-mask-090703-fp-la-min.jpg
1704 ms
chevron-blue.svg
1699 ms
rolls-royce-uob-award-aab7c3-fp-ra-min.jpg
1806 ms
sleeping-woman-e4eced-fp-la-min.jpg
1883 ms
speculoos-discovery-000000-fp-ra-min.gif
1972 ms
gut-health-000000-fp-la-min.jpg
1968 ms
maximise.svg
1972 ms
instagram-circle.svg
1979 ms
facebook.svg
2080 ms
twitter.svg
2158 ms
youtube.svg
2239 ms
weibo_logo.svg
2244 ms
wechat_logo.svg
2246 ms
minimise.svg
1703 ms
otSDKStub.js
70 ms
c00f24e8-b151-4666-845a-160b48972a3b.json
21 ms
location
37 ms
otBannerSdk.js
40 ms
cert.bham.ac.uk 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-*] attributes do not match their roles
cert.bham.ac.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
cert.bham.ac.uk SEO score
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 Cert.bham.ac.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 Cert.bham.ac.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.
cert.bham.ac.uk
Open Graph data is detected on the main page of Cert Bham. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: