Tools & Wizards About Us
file-extension.info screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

file-extension.info

File Extension

Page Load Speed

2 sec in total

First Response

522 ms

Resources Loaded

1.3 sec

Page Rendered

165 ms

file-extension.info screenshot

About Website

Visit file-extension.info now to see the best up-to-date File Extension content for Russia and also check out these interesting facts you probably never knew about file-extension.info

File-Extension.info will help you solve the basic issues with file extensions.

Visit file-extension.info

Key Findings

We analyzed File-extension.info page load time and found that the first response time was 522 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

file-extension.info performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

www.file-extension.info

522 ms

css

35 ms

app.css

84 ms

addons.css

166 ms

jquery.js

329 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 63% of them (19 requests) were addressed to the original File-extension.info, 17% (5 requests) were made to Fonts.gstatic.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (575 ms) belongs to the original domain File-extension.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.1 kB (8%)

Content Size

276.7 kB

After Optimization

253.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of File-extension.info main page is 276.7 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. Images take 176.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 11.3 kB

  • Original 15.4 kB
  • After minification 13.4 kB
  • After compression 4.1 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. This page needs HTML code to be minified as it can gain 2.0 kB, which is 13% 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 11.3 kB or 74% of the original size.

Image Optimization

-3%

Potential reduce by 5.8 kB

  • Original 176.3 kB
  • After minification 170.4 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. File Extension images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 4.3 kB

  • Original 73.8 kB
  • After minification 73.7 kB
  • After compression 69.5 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

-14%

Potential reduce by 1.6 kB

  • Original 11.3 kB
  • After minification 11.3 kB
  • After compression 9.6 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. File-extension.info needs all CSS files to be minified and compressed as it can save up to 1.6 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (38%)

Requests Now

24

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of File Extension. 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

www.file-extension.info

www.file-extension.info

522 ms

css

css

35 ms

app.css

app.css

84 ms

addons.css

addons.css

166 ms

jquery.js

jquery.js

329 ms

jquery.modal.min.js

jquery.modal.min.js

30 ms

jquery.5stars.min.js

jquery.5stars.min.js

245 ms

hideMaxListItem.js

hideMaxListItem.js

246 ms

matchHeight.min.js

matchHeight.min.js

267 ms

functions.js

functions.js

270 ms

app.min.js

app.min.js

268 ms

addthis_widget.js

addthis_widget.js

33 ms

logo.png

logo.png

327 ms

search--icon.svg

search--icon.svg

326 ms

about--image.jpg

about--image.jpg

516 ms

about--icon-01.svg

about--icon-01.svg

353 ms

about--icon-03.svg

about--icon-03.svg

354 ms

about--icon-02.svg

about--icon-02.svg

406 ms

about--icon-04.svg

about--icon-04.svg

407 ms

moff.png

moff.png

575 ms

dropdown--icon.svg

dropdown--icon.svg

259 ms

search--bg.jpg

search--bg.jpg

421 ms

KFOmCnqEu92Fr1Mu7GxP.ttf

KFOmCnqEu92Fr1Mu7GxP.ttf

18 ms

KFOlCnqEu92Fr1MmEU9fChc9.ttf

KFOlCnqEu92Fr1MmEU9fChc9.ttf

24 ms

KFOlCnqEu92Fr1MmSU5fChc9.ttf

KFOlCnqEu92Fr1MmSU5fChc9.ttf

30 ms

KFOlCnqEu92Fr1MmWUlfChc9.ttf

KFOlCnqEu92Fr1MmWUlfChc9.ttf

34 ms

KFOlCnqEu92Fr1MmYUtfChc9.ttf

KFOlCnqEu92Fr1MmYUtfChc9.ttf

38 ms

analytics.js

analytics.js

21 ms

collect

collect

14 ms

js

js

59 ms

Accessibility Review

file-extension.info accessibility score

81

Accessibility Issues

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

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

file-extension.info 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

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

file-extension.info SEO score

99

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

High

Tap targets are not sized appropriately

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 File-extension.info 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 File-extension.info 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

file-extension.info

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