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Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

eaa.crcpress.com

Encyclopedia of Astronomy & Astrophysics | P Murdin | Taylor & Francis

Page Load Speed

1.9 sec in total

First Response

59 ms

Resources Loaded

1.6 sec

Page Rendered

207 ms

eaa.crcpress.com screenshot

About Website

Visit eaa.crcpress.com now to see the best up-to-date Eaa Crcpress content for India and also check out these interesting facts you probably never knew about eaa.crcpress.com

In a unique collaboration, Nature Publishing Group and Institute of Physics Publishing have published the most extensive and comprehensive reference work in

Visit eaa.crcpress.com

Key Findings

We analyzed Eaa.crcpress.com page load time and found that the first response time was 59 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

eaa.crcpress.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value3,780 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.143

78/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

encyclopedia-astronomy-astrophysics-murdin

59 ms

gtm.js

126 ms

video.min.js

204 ms

silvermine-videojs-quality-selector.min.js

62 ms

videojs-seek-buttons.min.js

165 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Eaa.crcpress.com, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (553 ms) relates to the external source Reader.kortext.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 329.0 kB (73%)

Content Size

451.0 kB

After Optimization

122.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Eaa.crcpress.com main page is 451.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. HTML takes 379.3 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 328.9 kB

  • Original 379.3 kB
  • After minification 375.8 kB
  • After compression 50.5 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. 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 328.9 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 11.0 kB
  • After minification 11.0 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. Eaa Crcpress images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 105 B

  • Original 60.7 kB
  • After minification 60.6 kB
  • After compression 60.5 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 19 (59%)

Requests Now

32

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Eaa Crcpress. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

encyclopedia-astronomy-astrophysics-murdin

encyclopedia-astronomy-astrophysics-murdin

59 ms

gtm.js

gtm.js

126 ms

video.min.js

video.min.js

204 ms

silvermine-videojs-quality-selector.min.js

silvermine-videojs-quality-selector.min.js

62 ms

videojs-seek-buttons.min.js

videojs-seek-buttons.min.js

165 ms

videojs-transcript-click.min.js

videojs-transcript-click.min.js

203 ms

styles.0a6e470d6a9323726c4a.css

styles.0a6e470d6a9323726c4a.css

232 ms

9781003220435.jpg

9781003220435.jpg

40 ms

kortextReader.js

kortextReader.js

553 ms

runtime.16ac8c128422aeb671b9.js

runtime.16ac8c128422aeb671b9.js

55 ms

polyfills.ece32c5e71728ef04722.js

polyfills.ece32c5e71728ef04722.js

155 ms

scripts.7e3d8c0443858813ca56.js

scripts.7e3d8c0443858813ca56.js

92 ms

main.8a7f86c2af6cdd036779.js

main.8a7f86c2af6cdd036779.js

327 ms

loading.svg

loading.svg

152 ms

share.svg

share.svg

287 ms

tfgroup-logo-white.svg

tfgroup-logo-white.svg

235 ms

analytics.js

analytics.js

137 ms

2b08024120432.js

2b08024120432.js

217 ms

fbevents.js

fbevents.js

169 ms

insight.min.js

insight.min.js

212 ms

uwt.js

uwt.js

218 ms

200913.js

200913.js

225 ms

hotjar-1518123.js

hotjar-1518123.js

275 ms

live.js

live.js

207 ms

scroll-top.svg

scroll-top.svg

178 ms

OpenSans-Regular-webfont.4f6ec530947c73b0c1dd.woff

OpenSans-Regular-webfont.4f6ec530947c73b0c1dd.woff

42 ms

OpenSans-Semibold-webfont.e57adecb3a8973e1e0d7.woff

OpenSans-Semibold-webfont.e57adecb3a8973e1e0d7.woff

121 ms

OpenSans-Bold-webfont.7721ba0909593fb4c700.woff

OpenSans-Bold-webfont.7721ba0909593fb4c700.woff

136 ms

OpenSans-Italic-webfont.0bd0c2ca25252b0b6495.woff

OpenSans-Italic-webfont.0bd0c2ca25252b0b6495.woff

92 ms

OpenSans-SemiboldItalic-webfont.9b9e6224439e8dcbfbcb.woff

OpenSans-SemiboldItalic-webfont.9b9e6224439e8dcbfbcb.woff

141 ms

OpenSans-BoldItalic-webfont.f4cc8e0fcd7b231a5699.woff

OpenSans-BoldItalic-webfont.f4cc8e0fcd7b231a5699.woff

168 ms

tf-icon-font.b55b4144515b1bedf6ed.ttf

tf-icon-font.b55b4144515b1bedf6ed.ttf

155 ms

collect

collect

57 ms

collect

collect

51 ms

insight_tag_errors.gif

insight_tag_errors.gif

216 ms

ga-audiences

ga-audiences

41 ms

modules.a4fd7e5489291affcf56.js

modules.a4fd7e5489291affcf56.js

13 ms

adsct

adsct

172 ms

adsct

adsct

142 ms

js

js

49 ms

atrk.js

atrk.js

46 ms

Accessibility Review

eaa.crcpress.com accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s do not have all required [aria-*] attributes

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

Buttons do not have an accessible name

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

eaa.crcpress.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

eaa.crcpress.com 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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Eaa.crcpress.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 Eaa.crcpress.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

eaa.crcpress.com

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