Tools & Wizards About Us
gefs-online.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

gefs-online.com

GeoFS - Free Online Flight Simulator

Page Load Speed

2.6 sec in total

First Response

301 ms

Resources Loaded

2.1 sec

Page Rendered

133 ms

gefs-online.com screenshot

About Website

Click here to check amazing Gefs Online content for United States. Otherwise, check out these important facts you probably never knew about gefs-online.com

GeoFS is a free flight simulator using global satellite images and running in your web browser or as a mobile app. Realistic and multiplayer, GeoFS provides real-life commercial traffic (ADS-B) and lo...

Visit gefs-online.com

Key Findings

We analyzed Gefs-online.com page load time and found that the first response time was 301 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

gefs-online.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value1,100 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value15.9 s

6/100

10%

Network Requests Diagram

www.geo-fs.com

301 ms

analytics.js

29 ms

adsbygoogle.js

14 ms

loader.js

84 ms

commonCSS.css

254 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Gefs-online.com, 13% (9 requests) were made to Apis.google.com and 7% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (499 ms) relates to the external source Geo-fs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.6 MB (64%)

Content Size

4.1 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gefs-online.com main page is 4.1 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. 65% of websites need less resources to load. Javascripts take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 30.8 kB

  • Original 41.3 kB
  • After minification 37.6 kB
  • After compression 10.5 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 30.8 kB or 75% of the original size.

Image Optimization

-62%

Potential reduce by 1.0 MB

  • Original 1.7 MB
  • After minification 629.4 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, Gefs Online needs image optimization as it can save up to 1.0 MB or 62% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 1.3 MB

  • Original 2.1 MB
  • After minification 2.1 MB
  • After compression 782.1 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 1.3 MB or 63% of the original size.

CSS Optimization

-84%

Potential reduce by 231.2 kB

  • Original 274.6 kB
  • After minification 270.5 kB
  • After compression 43.4 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. Gefs-online.com needs all CSS files to be minified and compressed as it can save up to 231.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (38%)

Requests Now

65

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gefs Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.geo-fs.com

www.geo-fs.com

301 ms

analytics.js

analytics.js

29 ms

adsbygoogle.js

adsbygoogle.js

14 ms

loader.js

loader.js

84 ms

commonCSS.css

commonCSS.css

254 ms

collect

collect

14 ms

collect

collect

46 ms

geofs.png

geofs.png

84 ms

facebook-login.png

facebook-login.png

85 ms

cessna172.jpg

cessna172.jpg

166 ms

2fcrYFNaTjcS6g4U3t-Y5StnKWgpfO2iSkLzTz-AABg.ttf

2fcrYFNaTjcS6g4U3t-Y5StnKWgpfO2iSkLzTz-AABg.ttf

32 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

34 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

48 ms

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

57 ms

Jzo62I39jc0gQRrbndN6nfesZW2xOQ-xsNqO47m55DA.ttf

Jzo62I39jc0gQRrbndN6nfesZW2xOQ-xsNqO47m55DA.ttf

49 ms

commonJS.js

commonJS.js

260 ms

ca-pub-1808592532341984.js

ca-pub-1808592532341984.js

20 ms

zrt_lookup.html

zrt_lookup.html

23 ms

show_ads_impl.js

show_ads_impl.js

40 ms

ads

ads

230 ms

osd.js

osd.js

2 ms

sdk.js

sdk.js

52 ms

platform.js

platform.js

83 ms

cub.png

cub.png

97 ms

c172.png

c172.png

110 ms

alphajet.png

alphajet.png

167 ms

737-700.png

737-700.png

197 ms

dc3.png

dc3.png

196 ms

md11.png

md11.png

196 ms

su35.png

su35.png

197 ms

a380.png

a380.png

197 ms

concorde.png

concorde.png

247 ms

zlin.png

zlin.png

272 ms

c152.png

c152.png

273 ms

an140.png

an140.png

271 ms

sportstar.png

sportstar.png

272 ms

jantar.png

jantar.png

271 ms

paraglider.png

paraglider.png

321 ms

tom.png

tom.png

353 ms

hughes.png

hughes.png

355 ms

goat.png

goat.png

354 ms

map.php

map.php

348 ms

landscape.jpg

landscape.jpg

499 ms

737-deck.jpg

737-deck.jpg

467 ms

52 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

20 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

45 ms

fastbutton

fastbutton

63 ms

0sTQzbapM8j.js

0sTQzbapM8j.js

35 ms

0sTQzbapM8j.js

0sTQzbapM8j.js

57 ms

like.php

like.php

75 ms

cb=gapi.loaded_2

cb=gapi.loaded_2

20 ms

0sTQzbapM8j.js

0sTQzbapM8j.js

15 ms

postmessageRelay

postmessageRelay

70 ms

rs=AGLTcCOnDxwX8-LbpDmaxOBIoHm7W_kGNA

rs=AGLTcCOnDxwX8-LbpDmaxOBIoHm7W_kGNA

30 ms

cb=gapi.loaded_3

cb=gapi.loaded_3

37 ms

iframe

iframe

54 ms

4qFiRLLPSF7.js

4qFiRLLPSF7.js

55 ms

lH1ibRl5GKq.png

lH1ibRl5GKq.png

53 ms

971028622-postmessagerelay.js

971028622-postmessagerelay.js

25 ms

rpc:shindig_random.js

rpc:shindig_random.js

36 ms

1702706607-idpiframe.js

1702706607-idpiframe.js

14 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

4 ms

iframerpc

iframerpc

40 ms

jsapi

jsapi

16 ms

map.js

map.js

178 ms

js

js

29 ms

common.js

common.js

9 ms

map.js

map.js

9 ms

util.js

util.js

10 ms

onion.js

onion.js

8 ms

openhand_8_8.cur

openhand_8_8.cur

24 ms

Accessibility Review

gefs-online.com accessibility score

86

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

gefs-online.com best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

gefs-online.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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gefs-online.com 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 Gefs-online.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

gefs-online.com

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