9.3 sec in total
154 ms
9 sec
220 ms
Visit jech.com now to see the best up-to-date JECH content and also check out these interesting facts you probably never knew about jech.com
The Journal of Epidemiology and Community Health (JECH) is a peer-reviewed public health journal that covers all aspects of epidemiology and public health.
Visit jech.comWe analyzed Jech.com page load time and found that the first response time was 154 ms and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
jech.com performance score
name
value
score
weighting
Value3.9 s
26/100
10%
Value3.9 s
53/100
25%
Value11.9 s
4/100
10%
Value21,910 ms
0/100
30%
Value0.109
87/100
15%
Value31.3 s
0/100
10%
154 ms
174 ms
223 ms
338 ms
132 ms
Our browser made a total of 158 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Jech.com, 15% (24 requests) were made to Jech.bmj.com and 10% (16 requests) were made to Journals.bmj.com. The less responsive or slowest element that took the longest time to load (6.4 sec) relates to the external source Jobs.bmj.com.
Page size can be reduced by 632.5 kB (68%)
936.6 kB
304.1 kB
In fact, the total size of Jech.com main page is 936.6 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. 55% of websites need less resources to load. Javascripts take 583.1 kB which makes up the majority of the site volume.
Potential reduce by 73.5 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 19.1 kB, which is 21% 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 73.5 kB or 81% of the original size.
Potential reduce by 1.2 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. JECH images are well optimized though.
Potential reduce by 367.5 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 367.5 kB or 63% of the original size.
Potential reduce by 190.3 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. Jech.com needs all CSS files to be minified and compressed as it can save up to 190.3 kB or 85% of the original size.
Number of requests can be reduced by 121 (85%)
143
22
The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JECH. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
jech.com
154 ms
www.jech.com
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jech.bmjjournals.com
223 ms
jech.bmj.com
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hw-global.css
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bmj-group-reset.css
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bmj-group-grid.css
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bmj-group-global-nav.css
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global.css
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import.css
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bmj_import.css
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hw-publisher-page-home.css
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bmj_override.css
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local_styles.css
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jquery.min.js
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jquery-ui.min.js
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flowplayer-3.1.4.min.js
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fingerprint.js
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hw-shared.js
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bmjgroup-lib-2.0.js
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doc2doc-widget.js
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publisher_custom.js
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functions.js
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test-ie.js
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modernizr-v2.5.3.js
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bmj-group-global.js
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publisher_custom_leader.js
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jech-editors-choice-widget.js
197 ms
publisher_custom_tower.js
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conversion.js
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hw-global-sidebars.css
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hw-global-elements.css
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hw-global-citation.css
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hw-global-classes.css
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container.html
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ads
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analytics.js
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jech.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
Links do not have a discernible name
jech.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
jech.com 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
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 Jech.com 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 Jech.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.
jech.com
Open Graph description is not detected on the main page of JECH. 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: