Tools & Wizards About Us
phy.so screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

phy.so

Phys.org - News and Articles on Science and Technology

Page Load Speed

1.4 sec in total

First Response

28 ms

Resources Loaded

683 ms

Page Rendered

663 ms

phy.so screenshot

About Website

Click here to check amazing Phy content. Otherwise, check out these important facts you probably never knew about phy.so

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

Visit phy.so

Key Findings

We analyzed Phy.so page load time and found that the first response time was 28 ms and then it took 1.3 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

phy.so performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

48/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value3,790 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

phy.so

28 ms

phys.org

87 ms

libs.3275013628.css

68 ms

style.989488547.css

106 ms

js

81 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 Phy.so, 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 (242 ms) relates to the external source Scx1.b-cdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 219.6 kB (26%)

Content Size

845.2 kB

After Optimization

625.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Phy.so main page is 845.2 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. 45% of websites need less resources to load. Javascripts take 385.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 205.5 kB

  • Original 241.6 kB
  • After minification 184.2 kB
  • After compression 36.1 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 205.5 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 81 B

  • Original 177.0 kB
  • After minification 176.9 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. Phy images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 14.1 kB

  • Original 385.3 kB
  • After minification 385.3 kB
  • After compression 371.2 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. This website has mostly compressed JavaScripts.

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. Phy.so 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 Phy. 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

phy.so

phy.so

28 ms

phys.org

phys.org

87 ms

libs.3275013628.css

libs.3275013628.css

68 ms

style.989488547.css

style.989488547.css

106 ms

js

js

81 ms

adsbygoogle.js

adsbygoogle.js

73 ms

svgxuse.989488547.js

svgxuse.989488547.js

106 ms

libs.989488547.js

libs.989488547.js

72 ms

common.3275013628.js

common.3275013628.js

49 ms

css

css

38 ms

css

css

51 ms

logo-header.png

logo-header.png

178 ms

millions-in-the-us-may-2.jpg

millions-in-the-us-may-2.jpg

242 ms

acs-003.jpg

acs-003.jpg

168 ms

quant.js

quant.js

139 ms

icon_mail.png

icon_mail.png

114 ms

icon_password.png

icon_password.png

113 ms

checked.svg

checked.svg

112 ms

MedicalXpress2.svg

MedicalXpress2.svg

228 ms

techX_w.svg

techX_w.svg

171 ms

sprite.svg

sprite.svg

128 ms

techexploer.svg

techexploer.svg

230 ms

MedicalXpress.svg

MedicalXpress.svg

226 ms

ScienceX.svg

ScienceX.svg

136 ms

no-significant-pfas-em.jpg

no-significant-pfas-em.jpg

121 ms

ion-pairing-a-new-appr.jpg

ion-pairing-a-new-appr.jpg

230 ms

news.jpg

news.jpg

118 ms

researchers-establish-6.jpg

researchers-establish-6.jpg

126 ms

researchers-leverage-c.jpg

researchers-leverage-c.jpg

118 ms

human-actions-cause-in.jpg

human-actions-cause-in.jpg

123 ms

harnessing-plant-odors-1.jpg

harnessing-plant-odors-1.jpg

123 ms

crustacean-with-panda.jpg

crustacean-with-panda.jpg

126 ms

pythons-can-eat-bigger.jpg

pythons-can-eat-bigger.jpg

229 ms

utep-researchers-devel.jpg

utep-researchers-devel.jpg

229 ms

mouse-model-reveals-li.jpg

mouse-model-reveals-li.jpg

131 ms

study-increases-unders.jpg

study-increases-unders.jpg

130 ms

show_ads_impl.js

show_ads_impl.js

239 ms

sprite.svg

sprite.svg

60 ms

KFOlCnqEu92Fr1MmWUlfBBc-.woff

KFOlCnqEu92Fr1MmWUlfBBc-.woff

33 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

66 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

120 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

175 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVQ.woff

175 ms

sprite.svg

sprite.svg

125 ms

Accessibility Review

phy.so accessibility score

86

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.

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

phy.so 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

phy.so SEO score

79

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

High

robots.txt is not valid

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 Phy.so 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 Phy.so 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

phy.so

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