Tools & Wizards About Us
pslc.ws screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

pslc.ws

Polymer Science Learning Center

Page Load Speed

759 ms in total

First Response

204 ms

Resources Loaded

443 ms

Page Rendered

112 ms

pslc.ws screenshot

About Website

Visit pslc.ws now to see the best up-to-date Pslc content for Iran and also check out these interesting facts you probably never knew about pslc.ws

Visit pslc.ws

Key Findings

We analyzed Pslc.ws page load time and found that the first response time was 204 ms and then it took 555 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.

Performance Metrics

pslc.ws performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value0 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

pslc.ws

204 ms

bluecorner.jpg

114 ms

blueup.jpg

117 ms

blueside.jpg

157 ms

welcome.gif

38 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that all of those requests were addressed to Pslc.ws and no external sources were called. The less responsive or slowest element that took the longest time to load (223 ms) belongs to the original domain Pslc.ws.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.8 kB (35%)

Content Size

66.0 kB

After Optimization

43.2 kB

  • HTML
  • Images

In fact, the total size of Pslc.ws main page is 66.0 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. Only 10% of websites need less resources to load. Images take 61.0 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 3.8 kB

  • Original 5.1 kB
  • After minification 4.7 kB
  • After compression 1.2 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. 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 3.8 kB or 75% of the original size.

Image Optimization

-31%

Potential reduce by 19.0 kB

  • Original 61.0 kB
  • After minification 42.0 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, Pslc needs image optimization as it can save up to 19.0 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 7 (50%)

Requests Now

14

After Optimization

7

  • Images

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pslc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

pslc.ws

pslc.ws

204 ms

bluecorner.jpg

bluecorner.jpg

114 ms

blueup.jpg

blueup.jpg

117 ms

blueside.jpg

blueside.jpg

157 ms

welcome.gif

welcome.gif

38 ms

pslchome.gif

pslchome.gif

7 ms

events.gif

events.gif

8 ms

exped.gif

exped.gif

13 ms

ed_res.gif

ed_res.gif

12 ms

polydel.gif

polydel.gif

15 ms

act_dem.gif

act_dem.gif

16 ms

polykids.gif

polykids.gif

130 ms

macrog.gif

macrog.gif

131 ms

donate.gif

donate.gif

170 ms

matworld.gif

matworld.gif

223 ms

Accessibility Review

pslc.ws accessibility score

78

Accessibility Issues

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

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

Form elements do not have associated labels

Best Practices

pslc.ws best practices score

67

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

General

Impact

Issue

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

pslc.ws SEO score

92

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

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pslc.ws 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 Pslc.ws main page’s claimed encoding is windows-1252. 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.

Social Sharing Optimization

pslc.ws

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