Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 77

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

seabird.com

Sea-Bird Scientific | Powering Science-Based Decisions for a Better Ocean

Page Load Speed

980 ms in total

First Response

95 ms

Resources Loaded

686 ms

Page Rendered

199 ms

seabird.com screenshot

About Website

Click here to check amazing Sea Bird content for Canada. Otherwise, check out these important facts you probably never knew about seabird.com

At Sea-Bird Scientific, we develop instrumentation to enable scientists and researchers to generate reliable and accurate data to better understand our oceans.

Visit seabird.com

Key Findings

We analyzed Seabird.com page load time and found that the first response time was 95 ms and then it took 885 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

seabird.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value1,690 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value14.6 s

9/100

10%

Network Requests Diagram

seabird.com

95 ms

www.seabird.com

137 ms

css_pbm0lsQQJ7A7WCCIMgxLho6mI_kBNgznNUWmTWcnfoE.css

13 ms

css__n3ChUtTRzLV9echCWGmxk5_nbOTiWoSpnzJHtYYM4k.css

15 ms

css_MY7I71cehF6KD3-91p9nlObZLVtDhKMBArhdBTcR_oc.css

16 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 73% of them (45 requests) were addressed to the original Seabird.com, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Wd-edge.sharethis.com. The less responsive or slowest element that took the longest time to load (154 ms) relates to the external source Seg.sharethis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 654.1 kB (56%)

Content Size

1.2 MB

After Optimization

518.6 kB

In fact, the total size of Seabird.com main page is 1.2 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 610.4 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 30.9 kB

  • Original 41.1 kB
  • After minification 36.0 kB
  • After compression 10.2 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 5.1 kB, which is 12% 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 30.9 kB or 75% of the original size.

Image Optimization

-20%

Potential reduce by 89.4 kB

  • Original 452.2 kB
  • After minification 362.8 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. Obviously, Sea Bird needs image optimization as it can save up to 89.4 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-79%

Potential reduce by 479.6 kB

  • Original 610.4 kB
  • After minification 467.8 kB
  • After compression 130.8 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 479.6 kB or 79% of the original size.

CSS Optimization

-79%

Potential reduce by 54.2 kB

  • Original 68.9 kB
  • After minification 67.2 kB
  • After compression 14.7 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. Seabird.com needs all CSS files to be minified and compressed as it can save up to 54.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (55%)

Requests Now

58

After Optimization

26

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sea Bird. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

seabird.com accessibility score

81

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

seabird.com best practices score

77

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

Missing source maps for large first-party JavaScript

SEO Factors

seabird.com SEO score

84

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

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 Seabird.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 Seabird.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

Open Graph description is not detected on the main page of Sea Bird. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: