Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 0

    Best Practices

  • 78

    SEO

    Google-friendlier than
    40% of websites

Page Load Speed

4.1 sec in total

First Response

885 ms

Resources Loaded

2.5 sec

Page Rendered

732 ms

eurheartj.oxfordjournals.org screenshot

About Website

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Key Findings

We analyzed Eurheartj.oxfordjournals.org page load time and found that the first response time was 885 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

eurheartj.oxfordjournals.org performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value3,410 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.551

13/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

eurheartj.oxfordjournals.org

885 ms

css_NQZlFALKbhQ-G2-hrToavNZJzrJg3lIbhjklc28bceA.css

82 ms

css_ueFvs2Ec2rtbCtEvRNaKolXXeG2lIih9ZPsJ9wpTLmY.css

84 ms

css_LAv6GPvJS7_BmayT4gPMuTWYfNk-lba7-YZlLHNHmL8.css

89 ms

css_Zdyqz3LBEVBmD7OTl2eUzDXdWCUMPshpDHb8KDtgKZc.css

91 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 15% of them (14 requests) were addressed to the original Eurheartj.oxfordjournals.org, 55% (51 requests) were made to D1vzuwdl7rxiz0.cloudfront.net and 4% (4 requests) were made to Oasc-eu1.247realmedia.com. The less responsive or slowest element that took the longest time to load (885 ms) belongs to the original domain Eurheartj.oxfordjournals.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (69%)

Content Size

1.7 MB

After Optimization

532.9 kB

In fact, the total size of Eurheartj.oxfordjournals.org main page is 1.7 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. 60% of websites need less resources to load. Javascripts take 801.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 87.7 kB

  • Original 108.4 kB
  • After minification 105.0 kB
  • After compression 20.8 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 87.7 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 15.9 kB

  • Original 223.1 kB
  • After minification 207.2 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. Eurheartj Oxfordjournals images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 584.9 kB

  • Original 801.1 kB
  • After minification 721.7 kB
  • After compression 216.2 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 584.9 kB or 73% of the original size.

CSS Optimization

-84%

Potential reduce by 473.1 kB

  • Original 561.8 kB
  • After minification 554.2 kB
  • After compression 88.7 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. Eurheartj.oxfordjournals.org needs all CSS files to be minified and compressed as it can save up to 473.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (52%)

Requests Now

92

After Optimization

44

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Eurheartj Oxfordjournals. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

eurheartj.oxfordjournals.org accessibility score

84

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

Image elements do not have [alt] attributes

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

SEO Factors

eurheartj.oxfordjournals.org SEO score

78

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Eurheartj.oxfordjournals.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Eurheartj.oxfordjournals.org 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 description is not detected on the main page of Eurheartj Oxfordjournals. 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: