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scienceofwaves.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

scienceofwaves.com

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Page Load Speed

4.4 sec in total

First Response

577 ms

Resources Loaded

1.4 sec

Page Rendered

2.4 sec

scienceofwaves.com screenshot

About Website

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Key Findings

We analyzed Scienceofwaves.com page load time and found that the first response time was 577 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

scienceofwaves.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value1,540 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

scienceofwaves.com

577 ms

pre_tumblelog.js

11 ms

main-min.css

19 ms

tumblelog_post_message_queue.js

16 ms

stylesheet.css

14 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Scienceofwaves.com, 22% (12 requests) were made to 41.media.tumblr.com and 20% (11 requests) were made to Assets.tumblr.com. The less responsive or slowest element that took the longest time to load (770 ms) relates to the external source 40.media.tumblr.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 700.7 kB (15%)

Content Size

4.8 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Scienceofwaves.com main page is 4.8 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. 70% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 169.9 kB

  • Original 184.5 kB
  • After minification 111.5 kB
  • After compression 14.6 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 73.0 kB, which is 40% 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 169.9 kB or 92% of the original size.

Image Optimization

-3%

Potential reduce by 128.8 kB

  • Original 4.0 MB
  • After minification 3.9 MB

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. Scienceofwaves images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 368.1 kB

  • Original 569.0 kB
  • After minification 569.0 kB
  • After compression 200.9 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 368.1 kB or 65% of the original size.

CSS Optimization

-77%

Potential reduce by 33.8 kB

  • Original 43.8 kB
  • After minification 43.8 kB
  • After compression 10.0 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. Scienceofwaves.com needs all CSS files to be minified and compressed as it can save up to 33.8 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (22%)

Requests Now

49

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scienceofwaves. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

scienceofwaves.com

scienceofwaves.com

577 ms

pre_tumblelog.js

pre_tumblelog.js

11 ms

main-min.css

main-min.css

19 ms

tumblelog_post_message_queue.js

tumblelog_post_message_queue.js

16 ms

stylesheet.css

stylesheet.css

14 ms

jquery.min.js

jquery.min.js

70 ms

main-min.js

main-min.js

12 ms

index.js

index.js

10 ms

analytics.js

analytics.js

53 ms

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224 ms

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381 ms

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235 ms

like_iframe.html

like_iframe.html

175 ms

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365 ms

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374 ms

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513 ms

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627 ms

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743 ms

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700 ms

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728 ms

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755 ms

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770 ms

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373 ms

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307 ms

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308 ms

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324 ms

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324 ms

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307 ms

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327 ms

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331 ms

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332 ms

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454 ms

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330 ms

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458 ms

impixu

impixu

288 ms

impixu

impixu

184 ms

horizontal_xlarge_us.jpg

horizontal_xlarge_us.jpg

199 ms

collect

collect

38 ms

analytics.html

analytics.html

188 ms

Gibson-SemiBold-webfont.woff

Gibson-SemiBold-webfont.woff

112 ms

Gibson-Regular-webfont.woff

Gibson-Regular-webfont.woff

36 ms

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5 ms

login_check.html

login_check.html

35 ms

NPM_horizontal_xlarge_en.jpg

NPM_horizontal_xlarge_en.jpg

149 ms

collect

collect

188 ms

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avatar_b98f146a27a9_40.png

107 ms

iframe_logo.png

iframe_logo.png

71 ms

rapid-3.36.js

rapid-3.36.js

38 ms

rapidworker-1.2.js

rapidworker-1.2.js

40 ms

ga.js

ga.js

35 ms

analytics.js

analytics.js

60 ms

cs.js

cs.js

66 ms

__utm.gif

__utm.gif

17 ms

cedexis.radar.js

cedexis.radar.js

4 ms

Accessibility Review

scienceofwaves.com accessibility score

73

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

[aria-*] attributes do not match their roles

High

button, link, and menuitem elements do not have accessible names.

High

[role]s are not contained by their required parent element

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.

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.

Best Practices

scienceofwaves.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

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

scienceofwaves.com SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scienceofwaves.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Scienceofwaves.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

scienceofwaves.com

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