Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

sfreviews.net

SF REVIEWS.NET | SF and Fantasy Book Reviews | SFF180

Page Load Speed

293 ms in total

First Response

33 ms

Resources Loaded

150 ms

Page Rendered

110 ms

sfreviews.net screenshot

About Website

Click here to check amazing SF REVIEWS content for United States. Otherwise, check out these important facts you probably never knew about sfreviews.net

A site featuring hundreds of in-depth book reviews for smart, discriminating readers of science fiction and fantasy.

Visit sfreviews.net

Key Findings

We analyzed Sfreviews.net page load time and found that the first response time was 33 ms and then it took 260 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

sfreviews.net performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value1.1 s

100/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

sfreviews.net

33 ms

SpryMenuBar.js

13 ms

SpryMenuBarHorizontal.css

18 ms

wink_mascot.jpg

16 ms

hurst_sfr_logo_a2.jpg

64 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 91% of them (21 requests) were addressed to the original Sfreviews.net, 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (101 ms) belongs to the original domain Sfreviews.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 63.8 kB (14%)

Content Size

471.6 kB

After Optimization

407.8 kB

In fact, the total size of Sfreviews.net main page is 471.6 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 387.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 17.7 kB

  • Original 22.3 kB
  • After minification 17.1 kB
  • After compression 4.6 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 5.2 kB, which is 23% 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 17.7 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 3.7 kB

  • Original 387.8 kB
  • After minification 384.1 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. SF REVIEWS images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 37.4 kB

  • Original 56.0 kB
  • After minification 51.5 kB
  • After compression 18.6 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 37.4 kB or 67% of the original size.

CSS Optimization

-90%

Potential reduce by 4.9 kB

  • Original 5.5 kB
  • After minification 1.9 kB
  • After compression 533 B

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. Sfreviews.net needs all CSS files to be minified and compressed as it can save up to 4.9 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (30%)

Requests Now

20

After Optimization

14

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SF REVIEWS. 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.

Accessibility Review

sfreviews.net accessibility score

52

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

sfreviews.net 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

Browser errors were logged to the console

SEO Factors

sfreviews.net SEO score

62

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

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 Sfreviews.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 Sfreviews.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

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