Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

mercerme.us

Topscitech – Top Science & Technology News Across the Web

Page Load Speed

3.8 sec in total

First Response

979 ms

Resources Loaded

2.2 sec

Page Rendered

599 ms

mercerme.us screenshot

About Website

Welcome to mercerme.us homepage info - get ready to check Mercerme best content right away, or after learning these important things about mercerme.us

Topscitech is an unbiased source of information that delivers top trending Science & Technology articles across the web.

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Key Findings

We analyzed Mercerme.us page load time and found that the first response time was 979 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

mercerme.us performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value7,410 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.077

95/100

15%

TTI (Time to Interactive)

Value17.1 s

4/100

10%

Network Requests Diagram

mercerme.us

979 ms

adsbygoogle.js

66 ms

1491849932index.css

54 ms

1486256878index.js

177 ms

scripts.js

87 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 72% of them (33 requests) were addressed to the original Mercerme.us, 13% (6 requests) were made to Topscitech.com and 4% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (979 ms) belongs to the original domain Mercerme.us.

Page Optimization Overview & Recommendations

Page size can be reduced by 65.1 kB (16%)

Content Size

398.9 kB

After Optimization

333.8 kB

In fact, the total size of Mercerme.us main page is 398.9 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. 40% of websites need less resources to load. Images take 330.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 55.5 kB

  • Original 68.7 kB
  • After minification 63.1 kB
  • After compression 13.1 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 55.5 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 9.5 kB

  • Original 330.2 kB
  • After minification 320.7 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. Mercerme images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 10 (23%)

Requests Now

44

After Optimization

34

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mercerme. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

mercerme.us accessibility score

74

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

[id] attributes on active, focusable elements are not unique

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

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

mercerme.us 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

Browser errors were logged to the console

SEO Factors

mercerme.us SEO score

82

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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 Mercerme.us 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 Mercerme.us 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 data is detected on the main page of Mercerme. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: