937 ms in total
286 ms
488 ms
163 ms
Welcome to sfv.extensionfile.net homepage info - get ready to check SFV Extension File best content for United States right away, or after learning these important things about sfv.extensionfile.net
File extension SFV is used by operating systems to recognize files with content of type SFV. Here is some information which will get you started.
Visit sfv.extensionfile.netWe analyzed Sfv.extensionfile.net page load time and found that the first response time was 286 ms and then it took 651 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
sfv.extensionfile.net performance score
name
value
score
weighting
Value3.1 s
45/100
10%
Value3.4 s
65/100
25%
Value6.5 s
39/100
10%
Value1,900 ms
8/100
30%
Value0.013
100/100
15%
Value11.4 s
19/100
10%
286 ms
48 ms
15 ms
112 ms
167 ms
Our browser made a total of 31 requests to load all elements on the main page. We found that 10% of them (3 requests) were addressed to the original Sfv.extensionfile.net, 71% (22 requests) were made to Extensionfile.net and 6% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (286 ms) belongs to the original domain Sfv.extensionfile.net.
Page size can be reduced by 57.9 kB (24%)
245.3 kB
187.4 kB
In fact, the total size of Sfv.extensionfile.net main page is 245.3 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. Javascripts take 115.0 kB which makes up the majority of the site volume.
Potential reduce by 19.1 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 19.1 kB or 79% of the original size.
Potential reduce by 6.8 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. SFV Extension File images are well optimized though.
Potential reduce by 32.0 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 32.0 kB or 28% of the original size.
Number of requests can be reduced by 12 (40%)
30
18
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SFV Extension File. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
sfv.extensionfile.net
286 ms
jquery.min.js
48 ms
header.jpg
15 ms
plusone.js
112 ms
download-button.jpg
167 ms
blank.gif
7 ms
menu-home.jpg
9 ms
subitem11.gif
7 ms
menu-information.jpg
9 ms
menu-database.jpg
6 ms
menu-about.jpg
8 ms
search.gif
7 ms
filecure.jpg
9 ms
de.png
8 ms
fr.png
8 ms
es.png
29 ms
it.png
29 ms
sv.png
29 ms
no.png
32 ms
nl.png
31 ms
fi.png
31 ms
da.png
44 ms
ru.png
45 ms
ko.png
44 ms
adsbygoogle.js
41 ms
jp.png
40 ms
zh.png
39 ms
analytics.js
33 ms
header.jpg
164 ms
cb=gapi.loaded_0
19 ms
collect
13 ms
sfv.extensionfile.net accessibility score
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
[aria-*] attributes do not match their roles
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
<html> element does not have a [lang] attribute
sfv.extensionfile.net best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
sfv.extensionfile.net SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Document doesn't have a valid hreflang
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sfv.extensionfile.net 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 Sfv.extensionfile.net main page’s claimed encoding is utf8. 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.
sfv.extensionfile.net
Open Graph description is not detected on the main page of SFV Extension File. 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: