Tools & Wizards About Us
pda.physorg.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

pda.physorg.com

Phys.org - News and Articles on Science and Technology

Page Load Speed

1.5 sec in total

First Response

82 ms

Resources Loaded

818 ms

Page Rendered

634 ms

pda.physorg.com screenshot

About Website

Visit pda.physorg.com now to see the best up-to-date Pda Phys Org content for United States and also check out these interesting facts you probably never knew about pda.physorg.com

Daily science news on research developments, technological breakthroughs and the latest scientific innovations

Visit pda.physorg.com

Key Findings

We analyzed Pda.physorg.com page load time and found that the first response time was 82 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

pda.physorg.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

70/100

25%

SI (Speed Index)

Value4.1 s

78/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

pda.physorg.com

82 ms

phys.org

77 ms

libs.3275013628.css

86 ms

style.989488547.css

129 ms

js

67 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Pda.physorg.com, 39% (17 requests) were made to Phys.b-cdn.net and 30% (13 requests) were made to Scx1.b-cdn.net. The less responsive or slowest element that took the longest time to load (321 ms) relates to the external source Scx1.b-cdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 555.5 kB (49%)

Content Size

1.1 MB

After Optimization

567.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pda.physorg.com main page is 1.1 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. 45% of websites need less resources to load. Javascripts take 720.2 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 206.2 kB

  • Original 242.8 kB
  • After minification 185.4 kB
  • After compression 36.6 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 57.4 kB, which is 24% 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 206.2 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 81 B

  • Original 118.6 kB
  • After minification 118.6 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. Pda Phys Org images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 349.2 kB

  • Original 720.2 kB
  • After minification 720.2 kB
  • After compression 371.0 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 349.2 kB or 48% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 41.3 kB
  • After minification 41.3 kB
  • After compression 41.3 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. Pda.physorg.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (24%)

Requests Now

37

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pda Phys Org. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

pda.physorg.com

pda.physorg.com

82 ms

phys.org

phys.org

77 ms

libs.3275013628.css

libs.3275013628.css

86 ms

style.989488547.css

style.989488547.css

129 ms

js

js

67 ms

adsbygoogle.js

adsbygoogle.js

45 ms

svgxuse.989488547.js

svgxuse.989488547.js

87 ms

libs.989488547.js

libs.989488547.js

92 ms

common.3275013628.js

common.3275013628.js

309 ms

css

css

35 ms

css

css

50 ms

1-wine.jpg

1-wine.jpg

225 ms

acs-003.jpg

acs-003.jpg

172 ms

logo-header.png

logo-header.png

130 ms

icon_mail.png

icon_mail.png

131 ms

icon_password.png

icon_password.png

131 ms

checked.svg

checked.svg

130 ms

MedicalXpress2.svg

MedicalXpress2.svg

131 ms

techX_w.svg

techX_w.svg

144 ms

sprite.svg

sprite.svg

316 ms

techexploer.svg

techexploer.svg

173 ms

MedicalXpress.svg

MedicalXpress.svg

138 ms

ScienceX.svg

ScienceX.svg

141 ms

scientists-unlock-the-2.jpg

scientists-unlock-the-2.jpg

144 ms

using-atomic-excitatio.jpg

using-atomic-excitatio.jpg

318 ms

pfas-free-synthesis-of.jpg

pfas-free-synthesis-of.jpg

318 ms

new-process-vaporizes.jpg

new-process-vaporizes.jpg

136 ms

a-sisyphus-cooling-tec.jpg

a-sisyphus-cooling-tec.jpg

140 ms

how-a-salt-giant-radic.jpg

how-a-salt-giant-radic.jpg

317 ms

uncovering-the-secret-2.jpg

uncovering-the-secret-2.jpg

320 ms

blocking-the-longevity.jpg

blocking-the-longevity.jpg

315 ms

silicon-chip-propels-6.jpg

silicon-chip-propels-6.jpg

320 ms

machine-learning-helps-2.jpg

machine-learning-helps-2.jpg

321 ms

immune-protection-agai.jpg

immune-protection-agai.jpg

318 ms

navigating-the-digesti-1.jpg

navigating-the-digesti-1.jpg

321 ms

show_ads_impl.js

show_ads_impl.js

188 ms

KFOlCnqEu92Fr1MmWUlfBBc-.woff

KFOlCnqEu92Fr1MmWUlfBBc-.woff

59 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

113 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

204 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

203 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

204 ms

quant.js

quant.js

55 ms

sprite.svg

sprite.svg

20 ms

sprite.svg

sprite.svg

45 ms

Accessibility Review

pda.physorg.com accessibility score

84

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

pda.physorg.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Page has valid source maps

SEO Factors

pda.physorg.com SEO score

86

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

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

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 Pda.physorg.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 Pda.physorg.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

pda.physorg.com

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