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swim.org screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

swim.org

SWIM

Page Load Speed

24.5 sec in total

First Response

2.9 sec

Resources Loaded

20.9 sec

Page Rendered

633 ms

swim.org screenshot

About Website

Visit swim.org now to see the best up-to-date SWIM content for United States and also check out these interesting facts you probably never knew about swim.org

Visit swim.org

Key Findings

We analyzed Swim.org page load time and found that the first response time was 2.9 sec and then it took 21.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

swim.org performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value19.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value23.9 s

0/100

25%

SI (Speed Index)

Value20.5 s

0/100

10%

TBT (Total Blocking Time)

Value2,750 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.216

58/100

15%

TTI (Time to Interactive)

Value22.5 s

1/100

10%

Network Requests Diagram

swim.org

2900 ms

main.css

629 ms

AC_RunActiveContent.js

870 ms

ga.js

66 ms

search_bt.gif

202 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 84% of them (86 requests) were addressed to the original Swim.org, 9% (9 requests) were made to Ai.esmplus.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (18 sec) belongs to the original domain Swim.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 205.1 kB (31%)

Content Size

654.6 kB

After Optimization

449.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Swim.org main page is 654.6 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. 20% of websites need less resources to load. Images take 473.5 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 103.5 kB

  • Original 112.8 kB
  • After minification 63.0 kB
  • After compression 9.3 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 49.8 kB, which is 44% 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 103.5 kB or 92% of the original size.

Image Optimization

-12%

Potential reduce by 57.8 kB

  • Original 473.5 kB
  • After minification 415.7 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, SWIM needs image optimization as it can save up to 57.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-27%

Potential reduce by 6.8 kB

  • Original 25.5 kB
  • After minification 22.3 kB
  • After compression 18.7 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 6.8 kB or 27% of the original size.

CSS Optimization

-87%

Potential reduce by 37.1 kB

  • Original 42.8 kB
  • After minification 35.7 kB
  • After compression 5.7 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. Swim.org needs all CSS files to be minified and compressed as it can save up to 37.1 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (31%)

Requests Now

96

After Optimization

66

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SWIM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

swim.org

swim.org

2900 ms

main.css

main.css

629 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

870 ms

ga.js

ga.js

66 ms

search_bt.gif

search_bt.gif

202 ms

201604061858_23110923489117_1.jpg

201604061858_23110923489117_1.jpg

1622 ms

18891-2.jpg

18891-2.jpg

2389 ms

swim_wave.jpg

swim_wave.jpg

680 ms

%EC%83%9D%EB%AA%85%EC%88%98%20%EC%84%A0%EA%B5%90%EC%82%AC%EB%93%A4.JPG

%EC%83%9D%EB%AA%85%EC%88%98%20%EC%84%A0%EA%B5%90%EC%82%AC%EB%93%A4.JPG

17985 ms

002.jpg

002.jpg

903 ms

001.jpg

001.jpg

967 ms

chtoday.gif

chtoday.gif

479 ms

db_kr.gif

db_kr.gif

475 ms

rbc.gif

rbc.gif

711 ms

gn.gif

gn.gif

708 ms

godpeople.gif

godpeople.gif

886 ms

googood.gif

googood.gif

936 ms

igood.gif

igood.gif

949 ms

newsnjoy.gif

newsnjoy.gif

1095 ms

dalant.jpg

dalant.jpg

1132 ms

spacer.gif

spacer.gif

207 ms

global_01.jpg

global_01.jpg

444 ms

global_home.gif

global_home.gif

387 ms

global_home_none.gif

global_home_none.gif

401 ms

global_03.jpg

global_03.jpg

874 ms

menubar_bg01_L.gif

menubar_bg01_L.gif

441 ms

submenu_02.gif

submenu_02.gif

1058 ms

submenu_03.gif

submenu_03.gif

582 ms

submenu_04.gif

submenu_04.gif

600 ms

submenu_05.gif

submenu_05.gif

674 ms

submenu_06.gif

submenu_06.gif

676 ms

submenu_10.gif

submenu_10.gif

778 ms

submenu_07.gif

submenu_07.gif

803 ms

submenu_08.gif

submenu_08.gif

877 ms

menubar_bg01_R.gif

menubar_bg01_R.gif

882 ms

tab_01.gif

tab_01.gif

973 ms

tab_02_.gif

tab_02_.gif

1006 ms

tab_03_.gif

tab_03_.gif

1072 ms

tab_04_.gif

tab_04_.gif

1075 ms

tab_05_.gif

tab_05_.gif

1087 ms

qt_01.jpg

qt_01.jpg

1387 ms

new.gif

new.gif

1765 ms

dot_02.gif

dot_02.gif

1477 ms

spacer.gif

spacer.gif

1774 ms

dot_03.gif

dot_03.gif

1275 ms

dot_01.gif

dot_01.gif

1295 ms

300k.gif

300k.gif

1475 ms

qt_bg_02.gif

qt_bg_02.gif

1507 ms

qt_bg_bt.gif

qt_bg_bt.gif

1595 ms

new.gif

new.gif

1675 ms

2016easter.jpg

2016easter.jpg

5133 ms

swim_elhaya_identity_crisis_sarah_yooN.jpg

swim_elhaya_identity_crisis_sarah_yooN.jpg

1985 ms

are_you_happy_ad.jpg

are_you_happy_ad.jpg

2006 ms

title_03.gif

title_03.gif

1871 ms

qt_mailing_img.gif

qt_mailing_img.gif

2448 ms

mall.asp

mall.asp

748 ms

__utm.gif

__utm.gif

12 ms

ifr_login.asp

ifr_login.asp

2462 ms

indextodayqt.asp

indextodayqt.asp

2455 ms

ScrollMissionNews.asp

ScrollMissionNews.asp

2281 ms

ScrollMissionLetters.asp

ScrollMissionLetters.asp

2273 ms

bar_01.gif

bar_01.gif

2215 ms

ebroadcast_mic.gif

ebroadcast_mic.gif

2423 ms

support.gif

support.gif

2486 ms

spacer.gif

spacer.gif

2270 ms

onnuri.gif

onnuri.gif

2208 ms

tv.gif

tv.gif

2205 ms

durano.gif

durano.gif

2295 ms

common.css

common.css

721 ms

main2012.css

main2012.css

797 ms

sample_shop157.gif

sample_shop157.gif

713 ms

sample_shop156.gif

sample_shop156.gif

719 ms

sample_shop155.gif

sample_shop155.gif

894 ms

sample_shop139.gif

sample_shop139.gif

724 ms

sample_shop146.gif

sample_shop146.gif

710 ms

sample_shop152.gif

sample_shop152.gif

1247 ms

sample_shop151.gif

sample_shop151.gif

1069 ms

sample_shop150.gif

sample_shop150.gif

1178 ms

sample_shop148.gif

sample_shop148.gif

726 ms

da.gif

da.gif

2277 ms

juwon.gif

juwon.gif

2203 ms

hongkong.gif

hongkong.gif

2214 ms

kwma.gif

kwma.gif

2396 ms

wkmf.gif

wkmf.gif

2308 ms

tym.gif

tym.gif

2274 ms

paul.gif

paul.gif

2226 ms

sarang.gif

sarang.gif

2240 ms

fmnc.gif

fmnc.gif

2408 ms

intercoop.gif

intercoop.gif

2405 ms

china.gif

china.gif

2220 ms

kjw.gif

kjw.gif

2195 ms

st.gif

st.gif

2132 ms

xinfra.gif

xinfra.gif

2230 ms

sfc.gif

sfc.gif

2229 ms

global_02.jpg

global_02.jpg

2423 ms

menubar_bg01.gif

menubar_bg01.gif

2139 ms

menubar_bg02.gif

menubar_bg02.gif

2067 ms

qt_bg_01.gif

qt_bg_01.gif

2150 ms

title_bg.gif

title_bg.gif

2125 ms

btn_login.gif

btn_login.gif

1294 ms

btn_member.gif

btn_member.gif

1307 ms

new.gif

new.gif

213 ms

Accessibility Review

swim.org accessibility score

69

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

Image elements do not have [alt] attributes

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.

Best Practices

swim.org best practices score

67

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

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

swim.org SEO score

83

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

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

    KO

  • Language Claimed

    N/A

  • Encoding

    EUC-KR

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Swim.org can be misinterpreted by Google and other search engines. Our service has detected that Korean 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 Swim.org main page’s claimed encoding is euc-kr. 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

swim.org

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