Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

selectivizr.com

Selectivizr - CSS3 pseudo-class and attribute selectors for IE 6-8

Page Load Speed

1.8 sec in total

First Response

358 ms

Resources Loaded

1.1 sec

Page Rendered

283 ms

selectivizr.com screenshot

About Website

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

selectivizr is a JavaScript utility that emulates CSS3 selectors in Internet Explorer 6-8

Visit selectivizr.com

Key Findings

We analyzed Selectivizr.com page load time and found that the first response time was 358 ms and then it took 1.4 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

selectivizr.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

94/100

25%

SI (Speed Index)

Value0.9 s

100/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

selectivizr.com

358 ms

screen.css

152 ms

ga.js

31 ms

logo-selectivizr.png

82 ms

sprites2.png

80 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 95% of them (42 requests) were addressed to the original Selectivizr.com, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (628 ms) belongs to the original domain Selectivizr.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.6 kB (8%)

Content Size

314.9 kB

After Optimization

290.3 kB

In fact, the total size of Selectivizr.com main page is 314.9 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 268.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 14.6 kB

  • Original 18.2 kB
  • After minification 15.4 kB
  • After compression 3.6 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 2.7 kB, which is 15% 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 14.6 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 878 B

  • Original 268.2 kB
  • After minification 267.3 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. Selectivizr images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-81%

Potential reduce by 9.1 kB

  • Original 11.3 kB
  • After minification 7.7 kB
  • After compression 2.2 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. Selectivizr.com needs all CSS files to be minified and compressed as it can save up to 9.1 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

43

After Optimization

43

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Selectivizr. According to our analytics all requests are already optimized.

Accessibility Review

selectivizr.com accessibility score

91

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.

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

selectivizr.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

selectivizr.com SEO score

75

Search Engine Optimization Advices

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 Selectivizr.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 Selectivizr.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

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