Tools & Wizards About Us
firstbtob.net screenshot

Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

firstbtob.net

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Page Load Speed

67.6 sec in total

First Response

17.5 sec

Resources Loaded

49.7 sec

Page Rendered

354 ms

firstbtob.net screenshot

About Website

Visit firstbtob.net now to see the best up-to-date Firstbtob content and also check out these interesting facts you probably never knew about firstbtob.net

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Visit firstbtob.net

Key Findings

We analyzed Firstbtob.net page load time and found that the first response time was 17.5 sec and then it took 50.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 19 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

firstbtob.net performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value6.1 s

63/100

10%

Network Requests Diagram

firstbtob.net

17473 ms

global.css

2866 ms

layout.css

9632 ms

index.css

3842 ms

jquery-1.5.1.min.js

17845 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 74% of them (51 requests) were addressed to the original Firstbtob.net, 9% (6 requests) were made to Pagead2.googlesyndication.com and 6% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Firstbtob.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 101.9 kB (42%)

Content Size

242.6 kB

After Optimization

140.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Firstbtob.net main page is 242.6 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. 25% of websites need less resources to load. Javascripts take 68.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 32.3 kB

  • Original 40.3 kB
  • After minification 34.9 kB
  • After compression 8.0 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 5.5 kB, which is 14% 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 32.3 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 3.9 kB

  • Original 67.1 kB
  • After minification 63.2 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. Firstbtob images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 11.6 kB

  • Original 68.2 kB
  • After minification 63.6 kB
  • After compression 56.6 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 11.6 kB or 17% of the original size.

CSS Optimization

-81%

Potential reduce by 54.1 kB

  • Original 67.0 kB
  • After minification 52.2 kB
  • After compression 13.0 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. Firstbtob.net needs all CSS files to be minified and compressed as it can save up to 54.1 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (59%)

Requests Now

49

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Firstbtob. 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 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

firstbtob.net

firstbtob.net

17473 ms

global.css

global.css

2866 ms

layout.css

layout.css

9632 ms

index.css

index.css

3842 ms

jquery-1.5.1.min.js

jquery-1.5.1.min.js

17845 ms

jquery.form.js

jquery.form.js

7210 ms

jquery.jumplist.js

jquery.jumplist.js

6044 ms

show_ads.js

show_ads.js

137 ms

reset.css

reset.css

1514 ms

global.css

global.css

5010 ms

jquery.ui.all.css

jquery.ui.all.css

3552 ms

jquery.ui.base.css

jquery.ui.base.css

393 ms

jquery.ui.theme.css

jquery.ui.theme.css

3916 ms

jquery.ui.core.css

jquery.ui.core.css

408 ms

jquery.ui.resizable.css

jquery.ui.resizable.css

2018 ms

jquery.ui.selectable.css

jquery.ui.selectable.css

1518 ms

jquery.ui.accordion.css

jquery.ui.accordion.css

1735 ms

jquery.ui.autocomplete.css

jquery.ui.autocomplete.css

1973 ms

jquery.ui.button.css

jquery.ui.button.css

5411 ms

jquery.ui.dialog.css

jquery.ui.dialog.css

2358 ms

jquery.ui.slider.css

jquery.ui.slider.css

2551 ms

jquery.ui.tabs.css

jquery.ui.tabs.css

3006 ms

jquery.ui.datepicker.css

jquery.ui.datepicker.css

4119 ms

jquery.ui.progressbar.css

jquery.ui.progressbar.css

3574 ms

ga.js

ga.js

42 ms

logo.png

logo.png

1843 ms

navigate.png

navigate.png

7668 ms

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20426 ms

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5907 ms

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4254 ms

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7845 ms

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9090 ms

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20425 ms

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15379 ms

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20424 ms

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20423 ms

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20422 ms

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20421 ms

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20421 ms

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20420 ms

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20421 ms

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20422 ms

__utm.gif

__utm.gif

155 ms

arrow_down_hover.gif

arrow_down_hover.gif

20331 ms

cate_icon.gif

cate_icon.gif

20324 ms

ca-pub-8227224932185726.js

ca-pub-8227224932185726.js

257 ms

zrt_lookup.html

zrt_lookup.html

229 ms

show_ads_impl.js

show_ads_impl.js

245 ms

head.png

head.png

20181 ms

analytics.js

analytics.js

44 ms

collect

collect

52 ms

ads

ads

374 ms

osd.js

osd.js

17 ms

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204 ms

abg.js

abg.js

247 ms

m_js_controller.js

m_js_controller.js

285 ms

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179 ms

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102 ms

s

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91 ms

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19 ms

activeview

activeview

55 ms

Accessibility Review

firstbtob.net accessibility score

76

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

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

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

Best Practices

firstbtob.net best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

firstbtob.net SEO score

64

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Firstbtob.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Firstbtob.net 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

firstbtob.net

Open Graph description is not detected on the main page of Firstbtob. 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: