Tools & Wizards About Us
twanight.org screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

twanight.org

TWAN

Page Load Speed

2.9 sec in total

First Response

217 ms

Resources Loaded

2.5 sec

Page Rendered

162 ms

twanight.org screenshot

About Website

Visit twanight.org now to see the best up-to-date TWAN Ight content for Iran and also check out these interesting facts you probably never knew about twanight.org

The World At Night (TWAN) is an international effort to present stunning nightscape photos and timelapse videos of the world’s landmarks against celestial attractions. TWAN is a bridge between art, sc...

Visit twanight.org

Key Findings

We analyzed Twanight.org page load time and found that the first response time was 217 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

twanight.org performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value15.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value32.3 s

0/100

25%

SI (Speed Index)

Value19.3 s

0/100

10%

TBT (Total Blocking Time)

Value700 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.385

27/100

15%

TTI (Time to Interactive)

Value28.9 s

0/100

10%

Network Requests Diagram

twanight.org

217 ms

twanight.org

460 ms

js

88 ms

api.js

64 ms

css

58 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 58% of them (23 requests) were addressed to the original Twanight.org, 13% (5 requests) were made to Fonts.gstatic.com and 10% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (936 ms) belongs to the original domain Twanight.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.6 MB (56%)

Content Size

4.7 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Twanight.org main page is 4.7 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. 70% of websites need less resources to load. CSS take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 94.6 kB

  • Original 121.6 kB
  • After minification 120.0 kB
  • After compression 27.1 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 94.6 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 19.4 kB

  • Original 1.2 MB
  • After minification 1.2 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. TWAN Ight images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 847.6 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 569.7 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 847.6 kB or 60% of the original size.

CSS Optimization

-86%

Potential reduce by 1.7 MB

  • Original 1.9 MB
  • After minification 1.9 MB
  • After compression 277.5 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. Twanight.org needs all CSS files to be minified and compressed as it can save up to 1.7 MB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (62%)

Requests Now

26

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TWAN Ight. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

twanight.org

twanight.org

217 ms

twanight.org

twanight.org

460 ms

js

js

88 ms

api.js

api.js

64 ms

css

css

58 ms

35e05.css

35e05.css

629 ms

ba824.js

ba824.js

479 ms

b8806.css

b8806.css

566 ms

e1506.css

e1506.css

755 ms

all.css

all.css

77 ms

51eaf.js

51eaf.js

936 ms

bcdb3.js

bcdb3.js

396 ms

673fa.js

673fa.js

489 ms

flags32.css

flags32.css

70 ms

b4a71.js

b4a71.js

921 ms

highmaps.js

highmaps.js

75 ms

data.js

data.js

147 ms

world.js

world.js

148 ms

7f99d.js

7f99d.js

580 ms

recaptcha__en.js

recaptcha__en.js

88 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

88 ms

logo.png

logo.png

229 ms

tafreshi-slide-2.jpg

tafreshi-slide-2.jpg

555 ms

TWAN-Header1.jpg

TWAN-Header1.jpg

385 ms

TWAN-Header3.jpg

TWAN-Header3.jpg

847 ms

TWAN-Header4.jpg

TWAN-Header4.jpg

384 ms

TWAN-Header5.jpg

TWAN-Header5.jpg

383 ms

20210310-Bearbeitet.jpg

20210310-Bearbeitet.jpg

382 ms

8025-300x300.jpg

8025-300x300.jpg

459 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

339 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

412 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

434 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

433 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1x4gaVc.ttf

433 ms

fa-solid-900.ttf

fa-solid-900.ttf

179 ms

fa-regular-400.ttf

fa-regular-400.ttf

332 ms

fa-solid-900.woff

fa-solid-900.woff

383 ms

fa-regular-400.woff

fa-regular-400.woff

382 ms

fa-brands-400.ttf

fa-brands-400.ttf

302 ms

revicons.woff

revicons.woff

103 ms

Accessibility Review

twanight.org accessibility score

81

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

twanight.org 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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

twanight.org SEO score

85

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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

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

twanight.org

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