Tools & Wizards About Us
b747-400.net screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

b747-400.net

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Page Load Speed

1.8 sec in total

First Response

341 ms

Resources Loaded

1.3 sec

Page Rendered

124 ms

b747-400.net screenshot

About Website

Click here to check amazing B 747 400 content. Otherwise, check out these important facts you probably never knew about b747-400.net

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Key Findings

We analyzed B747-400.net page load time and found that the first response time was 341 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

b747-400.net performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value25,250 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.1

89/100

15%

TTI (Time to Interactive)

Value44.2 s

0/100

10%

Network Requests Diagram

b747-400.net

341 ms

www.b747-400.net

326 ms

boilerplate.css

206 ms

b747.css

208 ms

SpryTabbedPanels.css

210 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to B747-400.net and no external sources were called. The less responsive or slowest element that took the longest time to load (648 ms) belongs to the original domain B747-400.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 12.1 kB (84%)

Content Size

14.5 kB

After Optimization

2.4 kB

  • HTML
  • CSS

In fact, the total size of B747-400.net main page is 14.5 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. Only 5% of websites need less resources to load. CSS take 12.5 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 1.2 kB

  • Original 2.0 kB
  • After minification 1.8 kB
  • After compression 744 B

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 1.2 kB or 63% of the original size.

CSS Optimization

-87%

Potential reduce by 10.9 kB

  • Original 12.5 kB
  • After minification 4.1 kB
  • After compression 1.6 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. B747-400.net needs all CSS files to be minified and compressed as it can save up to 10.9 kB or 87% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • CSS

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of B 747 400. According to our analytics all requests are already optimized.

Network Requests Diagram

b747-400.net

b747-400.net

341 ms

www.b747-400.net

www.b747-400.net

326 ms

boilerplate.css

boilerplate.css

206 ms

b747.css

b747.css

208 ms

SpryTabbedPanels.css

SpryTabbedPanels.css

210 ms

b747400splashlarge1.jpg

b747400splashlarge1.jpg

648 ms

bg.jpg

bg.jpg

408 ms

Accessibility Review

b747-400.net accessibility score

74

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

b747-400.net best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

b747-400.net SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise B747-400.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that B747-400.net main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

b747-400.net

Open Graph description is not detected on the main page of B 747 400. 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: