2 sec in total
523 ms
1.4 sec
76 ms
Click here to check amazing Chemweb Bham content for United Kingdom. Otherwise, check out these important facts you probably never knew about chemweb.bham.ac.uk
Learn about the courses, people and research available at the School of Engineering at The University of Birmingham
Visit chemweb.bham.ac.ukWe analyzed Chemweb.bham.ac.uk page load time and found that the first response time was 523 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
chemweb.bham.ac.uk performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value3.4 s
67/100
25%
Value5.5 s
54/100
10%
Value1,440 ms
15/100
30%
Value0
100/100
15%
Value11.4 s
19/100
10%
523 ms
165 ms
165 ms
167 ms
168 ms
Our browser made a total of 19 requests to load all elements on the main page. We found that all of those requests were addressed to Chemweb.bham.ac.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (523 ms) belongs to the original domain Chemweb.bham.ac.uk.
Page size can be reduced by 17.6 kB (77%)
22.9 kB
5.3 kB
In fact, the total size of Chemweb.bham.ac.uk main page is 22.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. CSS take 19.9 kB which makes up the majority of the site volume.
Potential reduce by 2.2 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 467 B, 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 2.2 kB or 75% of the original size.
Potential reduce by 15.4 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. Chemweb.bham.ac.uk needs all CSS files to be minified and compressed as it can save up to 15.4 kB or 77% of the original size.
Number of requests can be reduced by 13 (72%)
18
5
The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemweb 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 14 to 1 for CSS and as a result speed up the page load time.
chemweb.bham.ac.uk
523 ms
sys-styles.css
165 ms
sys-header.css
165 ms
University-of-Birmingham-logo.gif
167 ms
left-of-tab.gif
168 ms
doublearrow.gif
169 ms
right-of-tab.gif
167 ms
sys-colours.css
164 ms
sys-colour-blue.css
165 ms
sys-colour-pink.css
169 ms
sys-colour-green.css
165 ms
sys-colour-forest.css
168 ms
sys-colour-orange.css
167 ms
sys-colour-cercia.css
168 ms
sys-colour-darkblue.css
325 ms
sys-colour-merlot.css
328 ms
sys-colour-lightblue.css
326 ms
sys-colour-purple.css
328 ms
sys-print.css
166 ms
chemweb.bham.ac.uk accessibility score
chemweb.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
Browser errors were logged to the console
chemweb.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 Chemweb.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 Chemweb.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.
chemweb.bham.ac.uk
Open Graph description is not detected on the main page of Chemweb Bham. 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: