Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

worldunderwater.org

Best Under Sink Water Filters - 33rd Square

Page Load Speed

2.1 sec in total

First Response

59 ms

Resources Loaded

606 ms

Page Rendered

1.4 sec

worldunderwater.org screenshot

About Website

Click here to check amazing Worldunder Water content for United States. Otherwise, check out these important facts you probably never knew about worldunderwater.org

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Visit worldunderwater.org

Key Findings

We analyzed Worldunderwater.org page load time and found that the first response time was 59 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

worldunderwater.org performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

worldunderwater.org

59 ms

91 ms

dc4faded638208addb4b6bc1d9b0326b.css

50 ms

jquery.min.js

185 ms

wpo-minify-header-a9150a1a.min.js

152 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Worldunderwater.org, 76% (50 requests) were made to 33rdsquare.com and 15% (10 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (460 ms) relates to the external source Pagead2.googlesyndication.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 317.8 kB (25%)

Content Size

1.3 MB

After Optimization

939.1 kB

In fact, the total size of Worldunderwater.org main page is 1.3 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. 60% of websites need less resources to load. Images take 557.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 173.5 kB

  • Original 208.1 kB
  • After minification 208.0 kB
  • After compression 34.6 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. 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 173.5 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 5.2 kB

  • Original 557.5 kB
  • After minification 552.2 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. Worldunder Water images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 139.1 kB

  • Original 385.4 kB
  • After minification 385.4 kB
  • After compression 246.3 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 139.1 kB or 36% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 106.0 kB
  • After minification 106.0 kB
  • After compression 106.0 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. Worldunderwater.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (37%)

Requests Now

49

After Optimization

31

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Worldunder Water. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

worldunderwater.org accessibility score

93

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

Links do not have a discernible name

Best Practices

worldunderwater.org 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

SEO Factors

worldunderwater.org SEO score

91

Search Engine Optimization Advices

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 Worldunderwater.org 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 Worldunderwater.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 data is detected on the main page of Worldunder Water. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: