Tools & Wizards About Us

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

jech.com

Homepage | Journal of Epidemiology and Community Health (JECH)

Page Load Speed

1.7 sec in total

First Response

145 ms

Resources Loaded

1.2 sec

Page Rendered

315 ms

About Website

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.com

Key Findings

We analyzed Jech.com page load time and found that the first response time was 145 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

jech.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value1,830 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

jech.com

145 ms

www.jech.com

150 ms

jech.bmjjournals.com

174 ms

jech.bmj.com

48 ms

jech.bmj.com

132 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Jech.com, 52% (23 requests) were made to Jech.bmj.com and 14% (6 requests) were made to Api.altmetric.com. The less responsive or slowest element that took the longest time to load (367 ms) relates to the external source Api.altmetric.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.4 kB (21%)

Content Size

329.1 kB

After Optimization

260.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Jech.com main page is 329.1 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. 35% of websites need less resources to load. Images take 128.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 66.5 kB

  • Original 86.9 kB
  • After minification 86.6 kB
  • After compression 20.4 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 66.5 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 1.9 kB

  • Original 128.5 kB
  • After minification 126.6 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.

JavaScript Optimization

-0%

Potential reduce by 45 B

  • Original 113.7 kB
  • After minification 113.7 kB
  • After compression 113.7 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 18 (58%)

Requests Now

31

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 31 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 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jech.com accessibility score

98

Accessibility Issues

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

High

Links do not have a discernible name

Best Practices

jech.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

jech.com SEO score

99

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    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.

Social Sharing Optimization

Open Graph data is detected on the main page of JECH. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: