Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 0

    Best Practices

  • 92

    SEO

    Google-friendlier than
    75% of websites

Page Load Speed

1.9 sec in total

First Response

362 ms

Resources Loaded

1.3 sec

Page Rendered

211 ms

astrogeo.oxfordjournals.org screenshot

About Website

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Key Findings

We analyzed Astrogeo.oxfordjournals.org page load time and found that the first response time was 362 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

astrogeo.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)

Value12.3 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value2,830 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.508

16/100

15%

TTI (Time to Interactive)

Value16.2 s

5/100

10%

Network Requests Diagram

astrogeo.oxfordjournals.org

362 ms

main.css

152 ms

homepage.css

159 ms

journal.css

160 ms

astrogeo_h20.css

163 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 67% of them (41 requests) were addressed to the original Astrogeo.oxfordjournals.org, 10% (6 requests) were made to Oxfordjournals.org and 5% (3 requests) were made to Oasc-eu1.247realmedia.com. The less responsive or slowest element that took the longest time to load (482 ms) belongs to the original domain Astrogeo.oxfordjournals.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 269.4 kB (63%)

Content Size

424.8 kB

After Optimization

155.4 kB

In fact, the total size of Astrogeo.oxfordjournals.org main page is 424.8 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. 30% of websites need less resources to load. Javascripts take 214.3 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 16.8 kB

  • Original 21.8 kB
  • After minification 18.2 kB
  • After compression 5.0 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 3.5 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 16.8 kB or 77% of the original size.

Image Optimization

-11%

Potential reduce by 11.4 kB

  • Original 102.2 kB
  • After minification 90.7 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. Obviously, Astrogeo Oxfordjournals needs image optimization as it can save up to 11.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-77%

Potential reduce by 165.9 kB

  • Original 214.3 kB
  • After minification 192.7 kB
  • After compression 48.4 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 165.9 kB or 77% of the original size.

CSS Optimization

-87%

Potential reduce by 75.2 kB

  • Original 86.5 kB
  • After minification 59.0 kB
  • After compression 11.3 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. Astrogeo.oxfordjournals.org needs all CSS files to be minified and compressed as it can save up to 75.2 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (65%)

Requests Now

60

After Optimization

21

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astrogeo 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 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

astrogeo.oxfordjournals.org accessibility score

88

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

astrogeo.oxfordjournals.org SEO score

92

Search Engine Optimization Advices

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 Astrogeo.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 Astrogeo.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 Astrogeo 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: