4.7 sec in total
108 ms
2.6 sec
2 sec
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Visit viewer.pdfrock.comWe analyzed Viewer.pdfrock.com page load time and found that the first response time was 108 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
viewer.pdfrock.com performance score
name
value
score
weighting
Value3.5 s
33/100
10%
Value6.0 s
13/100
25%
Value5.9 s
48/100
10%
Value2,790 ms
3/100
30%
Value0.009
100/100
15%
Value11.9 s
16/100
10%
108 ms
506 ms
461 ms
123 ms
159 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Viewer.pdfrock.com, 78% (58 requests) were made to Pdfrock.com and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (626 ms) relates to the external source Googletagmanager.com.
Page size can be reduced by 41.0 kB (18%)
230.7 kB
189.7 kB
In fact, the total size of Viewer.pdfrock.com main page is 230.7 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. 65% of websites need less resources to load. Javascripts take 121.7 kB which makes up the majority of the site volume.
Potential reduce by 40.6 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. 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 40.6 kB or 83% of the original size.
Potential reduce by 318 B
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.
Potential reduce by 63 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. Viewer.pdfrock.com has all CSS files already compressed.
Number of requests can be reduced by 37 (54%)
68
31
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viewer PDFROCK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
viewer.pdfrock.com
108 ms
pdfrock.com
506 ms
css
461 ms
font-awesome.min.css
123 ms
bootstrap-social.css
159 ms
theme_ext.css
217 ms
main.css
339 ms
popper.min.js
152 ms
jquery-3.2.1.min.js
476 ms
bootstrap.min.js
149 ms
adsbygoogle.js
554 ms
email-decode.min.js
206 ms
js
626 ms
pdfrock_logo.png
77 ms
pdf-to-word.png
76 ms
pdf-to-docx.png
70 ms
pdf-to-ppt.png
71 ms
pdf-to-excel.png
68 ms
pdf-to-xlsx.png
68 ms
pdf-to-rtf.png
74 ms
extract-text.png
76 ms
pdf-to-jpg.png
73 ms
pdf-to-png.png
77 ms
pdf-to-tiff.png
83 ms
pdf-to-bmp.png
78 ms
pdf-to-html.png
89 ms
pdf-to-epub.png
83 ms
word-to-pdf.png
85 ms
docx-to-pdf.png
81 ms
ppt-to-pdf.png
84 ms
excel-to-pdf.png
87 ms
xlsx-to-pdf.png
90 ms
rtf-to-pdf.png
86 ms
jpg-to-pdf.png
88 ms
png-to-pdf.png
89 ms
tiff-to-pdf.png
90 ms
bmp-to-pdf.png
92 ms
html-to-pdf.png
91 ms
epub-to-pdf.png
88 ms
mobi-to-pdf.png
188 ms
fb2-to-pdf.png
92 ms
odt-to-pdf.png
93 ms
chm-to-pdf.png
92 ms
djvu-to-pdf.png
207 ms
edit-pdf.png
205 ms
compress-pdf.png
187 ms
merge-pdf.png
188 ms
split-pdf.png
188 ms
delete-pages.png
205 ms
pdf-converter.png
145 ms
unlock-pdf.png
146 ms
protect-pdf.png
146 ms
rearrange-pdf.png
146 ms
add-watermark.png
147 ms
rotate-pdf.png
146 ms
crop-pdf.png
141 ms
resize-pdf.png
142 ms
extract-images.png
140 ms
add-page-numbers.png
143 ms
header-footer.png
139 ms
edit-pdf-meta.png
163 ms
show_ads_impl.js
97 ms
zrt_lookup.html
126 ms
JTURjIg1_i6t8kCHKm45_aZA3gnD-w.ttf
376 ms
JTUSjIg1_i6t8kCHKm459Wlhzg.ttf
377 ms
JTURjIg1_i6t8kCHKm45_dJE3gnD-w.ttf
401 ms
fontawesome-webfont.woff
207 ms
fbevents.js
327 ms
cookie.js
362 ms
integrator.js
462 ms
ads
223 ms
osd.js
450 ms
analytics.js
532 ms
294057424542913
375 ms
viewer.pdfrock.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
viewer.pdfrock.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
viewer.pdfrock.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Viewer.pdfrock.com 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 Viewer.pdfrock.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.
viewer.pdfrock.com
Open Graph data is detected on the main page of Viewer PDFROCK. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: