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jstween.org screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

jstween.org

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Page Load Speed

2.4 sec in total

First Response

276 ms

Resources Loaded

1.6 sec

Page Rendered

549 ms

jstween.org screenshot

About Website

Click here to check amazing Jstween content. Otherwise, check out these important facts you probably never knew about jstween.org

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Visit jstween.org

Key Findings

We analyzed Jstween.org page load time and found that the first response time was 276 ms and then it took 2.1 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

jstween.org performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

jstween.org

276 ms

www.jstween.org

289 ms

build.20110816113155.jstween.css

178 ms

build.20110816113155.jstween.js

459 ms

show_ads.js

5 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 25% of them (6 requests) were addressed to the original Jstween.org, 13% (3 requests) were made to Pagead2.googlesyndication.com and 13% (3 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (459 ms) belongs to the original domain Jstween.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 146.0 kB (52%)

Content Size

280.0 kB

After Optimization

133.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jstween.org main page is 280.0 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 201.4 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 21.0 kB

  • Original 27.1 kB
  • After minification 25.7 kB
  • After compression 6.1 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 21.0 kB or 77% of the original size.

Image Optimization

-10%

Potential reduce by 4.6 kB

  • Original 46.7 kB
  • After minification 42.0 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. Jstween images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 117.1 kB

  • Original 201.4 kB
  • After minification 193.2 kB
  • After compression 84.3 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 117.1 kB or 58% of the original size.

CSS Optimization

-69%

Potential reduce by 3.3 kB

  • Original 4.8 kB
  • After minification 4.7 kB
  • After compression 1.5 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. Jstween.org needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (43%)

Requests Now

21

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jstween. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jstween.org

jstween.org

276 ms

www.jstween.org

www.jstween.org

289 ms

build.20110816113155.jstween.css

build.20110816113155.jstween.css

178 ms

build.20110816113155.jstween.js

build.20110816113155.jstween.js

459 ms

show_ads.js

show_ads.js

5 ms

ga.js

ga.js

13 ms

jstween-logo.png

jstween-logo.png

90 ms

cc-licence.png

cc-licence.png

264 ms

__utm.gif

__utm.gif

25 ms

like.php

like.php

101 ms

TY3MhkXpWJ-.js

TY3MhkXpWJ-.js

28 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

15 ms

zrt_lookup.html

zrt_lookup.html

24 ms

show_ads_impl.js

show_ads_impl.js

44 ms

ads

ads

242 ms

buttons.js

buttons.js

167 ms

osd.js

osd.js

22 ms

Adobe_CCT_Pros_GlobalTeams_728x90_img.jpg

Adobe_CCT_Pros_GlobalTeams_728x90_img.jpg

55 ms

dvtp_src.js

dvtp_src.js

62 ms

abg.js

abg.js

61 ms

dvtp_src_internal26.js

dvtp_src_internal26.js

19 ms

sbhK2lTE.js

sbhK2lTE.js

20 ms

t2tv7.html

t2tv7.html

100 ms

cTrvNaRi.html

cTrvNaRi.html

7 ms

Accessibility Review

jstween.org accessibility score

86

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

Document doesn't have a <title> element

High

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

Best Practices

jstween.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

High

Page has valid source maps

SEO Factors

jstween.org SEO score

75

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

Document doesn't have a <title> element

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

    ZH

  • 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 Jstween.org 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 Jstween.org 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

jstween.org

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