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selectscience.net screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    33% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

selectscience.net

SelectScience | Trusted Information for Laboratory Scientists

Page Load Speed

4.2 sec in total

First Response

250 ms

Resources Loaded

3.6 sec

Page Rendered

325 ms

selectscience.net screenshot

About Website

Welcome to selectscience.net homepage info - get ready to check Select Science best content for India right away, or after learning these important things about selectscience.net

Find laboratory products, impartial reviews, application articles, videos and the latest news on SelectScience.

Visit selectscience.net

Key Findings

We analyzed Selectscience.net page load time and found that the first response time was 250 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster. This domain responded with an error, which can significantly jeopardize Selectscience.net rating and web reputation

Performance Metrics

selectscience.net performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value1,180 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.566

12/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

selectscience.net

250 ms

www.selectscience.net

897 ms

bootstrap.css

444 ms

bootstrap-theme.css

249 ms

easyzoom.css

165 ms

Our browser made a total of 151 requests to load all elements on the main page. We found that 90% of them (136 requests) were addressed to the original Selectscience.net, 3% (5 requests) were made to Fonts.gstatic.com and 1% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (897 ms) belongs to the original domain Selectscience.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (62%)

Content Size

2.4 MB

After Optimization

915.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Selectscience.net main page is 2.4 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. 55% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 235.9 kB

  • Original 268.1 kB
  • After minification 213.8 kB
  • After compression 32.2 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 54.3 kB, which is 20% 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 235.9 kB or 88% of the original size.

Image Optimization

-17%

Potential reduce by 123.4 kB

  • Original 725.3 kB
  • After minification 601.9 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, Select Science needs image optimization as it can save up to 123.4 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-79%

Potential reduce by 882.9 kB

  • Original 1.1 MB
  • After minification 822.8 kB
  • After compression 239.7 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 882.9 kB or 79% of the original size.

CSS Optimization

-86%

Potential reduce by 266.2 kB

  • Original 308.2 kB
  • After minification 230.9 kB
  • After compression 42.0 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. Selectscience.net needs all CSS files to be minified and compressed as it can save up to 266.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (25%)

Requests Now

139

After Optimization

104

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 139 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Select Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

selectscience.net

selectscience.net

250 ms

www.selectscience.net

www.selectscience.net

897 ms

bootstrap.css

bootstrap.css

444 ms

bootstrap-theme.css

bootstrap-theme.css

249 ms

easyzoom.css

easyzoom.css

165 ms

flexslider.css

flexslider.css

166 ms

swfobject.js

swfobject.js

267 ms

bootstrapFix.css

bootstrapFix.css

412 ms

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248 ms

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326 ms

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329 ms

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80 ms

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58 ms

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451 ms

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Accessibility Review

selectscience.net accessibility score

77

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

Image elements do not have [alt] attributes

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.

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

selectscience.net 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

selectscience.net SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Selectscience.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 Selectscience.net 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

selectscience.net

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