Tools & Wizards About Us
kosin.net screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

kosin.net

Airbnb: Vacation Rentals, Cabins, Beach Houses, Unique Homes & Experiences

Page Load Speed

2.1 sec in total

First Response

44 ms

Resources Loaded

1.8 sec

Page Rendered

184 ms

kosin.net screenshot

About Website

Welcome to kosin.net homepage info - get ready to check Kosin best content right away, or after learning these important things about kosin.net

Get an Airbnb for every kind of trip → 8 million vacation rentals → 2 million Guest Favorites → 220+ countries and regions worldwide

Visit kosin.net

Key Findings

We analyzed Kosin.net page load time and found that the first response time was 44 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

kosin.net performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value4,690 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value20.5 s

2/100

10%

Network Requests Diagram

kosin.net

44 ms

www.kosin.biz

17 ms

s

127 ms

homes

347 ms

client.36152929f9.css

111 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Kosin.net, 92% (47 requests) were made to A0.muscache.com and 4% (2 requests) were made to Airbnb.com. The less responsive or slowest element that took the longest time to load (629 ms) relates to the external source A0.muscache.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.5 MB (77%)

Content Size

3.2 MB

After Optimization

748.1 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Kosin.net main page is 3.2 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. 50% of websites need less resources to load. CSS take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 432.2 kB

  • Original 497.2 kB
  • After minification 497.2 kB
  • After compression 65.0 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. 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 432.2 kB or 87% of the original size.

JavaScript Optimization

-44%

Potential reduce by 527.3 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 681.3 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 527.3 kB or 44% of the original size.

CSS Optimization

-100%

Potential reduce by 1.5 MB

  • Original 1.5 MB
  • After minification 1.8 kB
  • After compression 1.8 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. Kosin.net needs all CSS files to be minified and compressed as it can save up to 1.5 MB or 100% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (91%)

Requests Now

34

After Optimization

3

  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kosin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

kosin.net

kosin.net

44 ms

www.kosin.biz

www.kosin.biz

17 ms

s

s

127 ms

homes

homes

347 ms

client.36152929f9.css

client.36152929f9.css

111 ms

dls-lite_cereal-47d27fa833e062fe3413637eb751001f.css

dls-lite_cereal-47d27fa833e062fe3413637eb751001f.css

36 ms

metroRequire.f041c10b23.js

metroRequire.f041c10b23.js

31 ms

shims_post_modules.3a508a05ae.js

shims_post_modules.3a508a05ae.js

33 ms

asyncRequire.e80107318a.js

asyncRequire.e80107318a.js

39 ms

coreV2.ea72e94880.js

coreV2.ea72e94880.js

35 ms

f702.02f1dcf2ae.js

f702.02f1dcf2ae.js

37 ms

routeHandler.3fb3d8a56e.js

routeHandler.3fb3d8a56e.js

40 ms

6f12.dab6acf031.js

6f12.dab6acf031.js

43 ms

407d.49989b9fb1.js

407d.49989b9fb1.js

43 ms

4ac5.f55edd621b.js

4ac5.f55edd621b.js

47 ms

0c05.e4b396312d.js

0c05.e4b396312d.js

57 ms

initializer.06b5f6c2d7.js

initializer.06b5f6c2d7.js

50 ms

HeaderQuery.prepare.ed6fcb10c6.js

HeaderQuery.prepare.ed6fcb10c6.js

49 ms

9024.f630f46ba2.js

9024.f630f46ba2.js

53 ms

e375.070c04f341.js

e375.070c04f341.js

54 ms

index.1edc773602.js

index.1edc773602.js

57 ms

7feb.74fbcbd7ad.js

7feb.74fbcbd7ad.js

76 ms

9ff5.799e0c9b49.js

9ff5.799e0c9b49.js

62 ms

ca89.cb3f3f0eb3.js

ca89.cb3f3f0eb3.js

66 ms

ccf1.3f3134cc5e.js

ccf1.3f3134cc5e.js

64 ms

ab12.92369a5132.js

ab12.92369a5132.js

65 ms

StaysSearchRoute.59f7ac90da.js

StaysSearchRoute.59f7ac90da.js

77 ms

StaysSearchRoute.prepare.b70dc60fd2.js

StaysSearchRoute.prepare.b70dc60fd2.js

68 ms

f4c9.fac2c7f552.js

f4c9.fac2c7f552.js

84 ms

eaa1.d0fea81e3f.js

eaa1.d0fea81e3f.js

71 ms

1742.dec90c42cb.js

1742.dec90c42cb.js

73 ms

2a49.326cd16bc3.js

2a49.326cd16bc3.js

76 ms

e3a3.dacb2bb6c2.js

e3a3.dacb2bb6c2.js

77 ms

05ca.b2e1d99678.js

05ca.b2e1d99678.js

97 ms

0f32.1cea18b0b2.js

0f32.1cea18b0b2.js

80 ms

2399.0348ed4f7e.js

2399.0348ed4f7e.js

89 ms

88ce.9625d0bf25.js

88ce.9625d0bf25.js

83 ms

client.cdb61f0141.js

client.cdb61f0141.js

85 ms

Airbnb_Cereal-Book-aa38e86e3f98554f9f7053d7b713b4db.woff

Airbnb_Cereal-Book-aa38e86e3f98554f9f7053d7b713b4db.woff

415 ms

airmojix-Regular-e0adf0d9735aee379296283c36fa3840.woff

airmojix-Regular-e0adf0d9735aee379296283c36fa3840.woff

227 ms

Airbnb_Cereal-Arabic-Book-6de797f6b9ddbf3ce640d1318a77d85e.woff

Airbnb_Cereal-Arabic-Book-6de797f6b9ddbf3ce640d1318a77d85e.woff

415 ms

Airbnb_Cereal-Hebrew-Book-892a3f9af9d7160255f294e56b3462f3.woff

Airbnb_Cereal-Hebrew-Book-892a3f9af9d7160255f294e56b3462f3.woff

414 ms

Airbnb_Cereal-Cyrillic-Book-c2fc5b3551254c57abcddb6ae3846011.woff

Airbnb_Cereal-Cyrillic-Book-c2fc5b3551254c57abcddb6ae3846011.woff

414 ms

Airbnb_Cereal-Medium-4bc8dafd2e0fd8914bf4d5edce9acd24.woff

Airbnb_Cereal-Medium-4bc8dafd2e0fd8914bf4d5edce9acd24.woff

227 ms

Airbnb_Cereal-Arabic-Medium-0ad3304a4ceb8b4ba992872376c6fee2.woff

Airbnb_Cereal-Arabic-Medium-0ad3304a4ceb8b4ba992872376c6fee2.woff

628 ms

Airbnb_Cereal-Hebrew-Medium-640ac52058359cd8dd430d9ad7d9c29e.woff

Airbnb_Cereal-Hebrew-Medium-640ac52058359cd8dd430d9ad7d9c29e.woff

629 ms

Airbnb_Cereal-Cyrillic-Medium-4e2e45a7189b6b9cf46bb33f5fe04c09.woff

Airbnb_Cereal-Cyrillic-Medium-4e2e45a7189b6b9cf46bb33f5fe04c09.woff

627 ms

Airbnb_Cereal-Bold-a188841af78481a25b7bb2316a5f5716.woff

Airbnb_Cereal-Bold-a188841af78481a25b7bb2316a5f5716.woff

627 ms

Airbnb_Cereal-Arabic-Bold-16ec9f0279388cccbedb6a1d95ac4d9d.woff

Airbnb_Cereal-Arabic-Bold-16ec9f0279388cccbedb6a1d95ac4d9d.woff

627 ms

Airbnb_Cereal-Hebrew-Bold-2825ca14347a2d0c257c0306165f448e.woff

Airbnb_Cereal-Hebrew-Bold-2825ca14347a2d0c257c0306165f448e.woff

628 ms

Airbnb_Cereal-Cyrillic-Bold-82361954a2330f09187cfbccc2641ce9.woff

Airbnb_Cereal-Cyrillic-Bold-82361954a2330f09187cfbccc2641ce9.woff

628 ms

Accessibility Review

kosin.net accessibility score

100

Accessibility Issues

Best Practices

kosin.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

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

kosin.net SEO score

92

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kosin.net 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 Kosin.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

kosin.net

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