Tools & Wizards About Us
issrtt.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

issrtt.com

Track and spot the 3 largest man-made objects in Earth orbit

Page Load Speed

1.6 sec in total

First Response

77 ms

Resources Loaded

1.2 sec

Page Rendered

386 ms

issrtt.com screenshot

About Website

Visit issrtt.com now to see the best up-to-date Issrtt content and also check out these interesting facts you probably never knew about issrtt.com

SS Real-Time Tracker 3D is the most beautiful & popular ISS spotting and tracking app for iPhone, iPad, iPod touch, & Apple Watch. ISS Real-Time Tracker 3D provides detailed spotting information on up...

Visit issrtt.com

Key Findings

We analyzed Issrtt.com page load time and found that the first response time was 77 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

issrtt.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value1,850 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.11

87/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

Network Requests Diagram

issrtt.com

77 ms

main.css

64 ms

css

29 ms

page-background.js

104 ms

header-sections-area.js

104 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 28% of them (9 requests) were addressed to the original Issrtt.com, 25% (8 requests) were made to Tvprodcdn.azureedge.net and 19% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (859 ms) relates to the external source Tvprodcdn.azureedge.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.8 kB (5%)

Content Size

1.9 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Issrtt.com main page is 1.9 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. 55% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 43.6 kB

  • Original 53.4 kB
  • After minification 53.2 kB
  • After compression 9.8 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 43.6 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 40.4 kB

  • Original 1.6 MB
  • After minification 1.5 MB

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. Issrtt images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 6.8 kB

  • Original 174.0 kB
  • After minification 174.0 kB
  • After compression 167.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 129 B

  • Original 79.0 kB
  • After minification 79.0 kB
  • After compression 78.9 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. Issrtt.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (48%)

Requests Now

27

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Issrtt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

issrtt.com

issrtt.com

77 ms

main.css

main.css

64 ms

css

css

29 ms

page-background.js

page-background.js

104 ms

header-sections-area.js

header-sections-area.js

104 ms

menu-interaction.js

menu-interaction.js

104 ms

widget-animation.js

widget-animation.js

114 ms

main.js

main.js

109 ms

section-scroll-effect.js

section-scroll-effect.js

147 ms

fbevents.js

fbevents.js

40 ms

core.js

core.js

74 ms

m62NaATKKdo

m62NaATKKdo

145 ms

BTz1DOMf2rs

BTz1DOMf2rs

278 ms

analytics.js

analytics.js

65 ms

f9d8bf57db7f459595a6c8b2205e7e6d_isstrackerlogo4_icon_trans.png

f9d8bf57db7f459595a6c8b2205e7e6d_isstrackerlogo4_icon_trans.png

175 ms

f1ce258316d1426aa6198c3b5c749c73_bezymyannyy.png

f1ce258316d1426aa6198c3b5c749c73_bezymyannyy.png

730 ms

f639c68bb0a941ce9a25ac6bc21e303a_banner_-_iss_real-time_tracker_3d-1.png

f639c68bb0a941ce9a25ac6bc21e303a_banner_-_iss_real-time_tracker_3d-1.png

859 ms

bd602138b4bd4889b4cab85beb47237d_dfdsf-2.png

bd602138b4bd4889b4cab85beb47237d_dfdsf-2.png

719 ms

74f9c9d378044713bb9f3a01ff02e1cb_phone-1.png

74f9c9d378044713bb9f3a01ff02e1cb_phone-1.png

856 ms

www-player.css

www-player.css

23 ms

www-embed-player.js

www-embed-player.js

71 ms

base.js

base.js

168 ms

aeb2fb6a9dc9400eb63f33fd0756ee07_d6ec8b2f-42a4-4d54-a50c-ac29017f6a2c.png

aeb2fb6a9dc9400eb63f33fd0756ee07_d6ec8b2f-42a4-4d54-a50c-ac29017f6a2c.png

707 ms

e770c181145547eb8a7cb86c0c214aea_7553c1a9-399b-4a48-9160-ac2a012e39c1.png

e770c181145547eb8a7cb86c0c214aea_7553c1a9-399b-4a48-9160-ac2a012e39c1.png

706 ms

4e462958d6c74607a65b69bbc7c7a25c_795d9306-76af-423e-9c0a-ac2a012e3e24.png

4e462958d6c74607a65b69bbc7c7a25c_795d9306-76af-423e-9c0a-ac2a012e3e24.png

779 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVcUwaEQXjM.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVcUwaEQXjM.ttf

495 ms

8cad8fa3799048e5a09805e13b63ec08_tahoma.woff

8cad8fa3799048e5a09805e13b63ec08_tahoma.woff

681 ms

ad_status.js

ad_status.js

416 ms

QIgJXlTW_ocH5BKR4VvT459F7KnrK51w4wqraUAmDYI.js

QIgJXlTW_ocH5BKR4VvT459F7KnrK51w4wqraUAmDYI.js

298 ms

embed.js

embed.js

140 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

75 ms

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

79 ms

Accessibility Review

issrtt.com accessibility score

89

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

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

issrtt.com 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

issrtt.com SEO score

100

Search Engine Optimization Advices

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 Issrtt.com 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 Issrtt.com 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

issrtt.com

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