-
Notifications
You must be signed in to change notification settings - Fork 24
/
original.html
334 lines (298 loc) · 11.5 KB
/
original.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
<!DOCTYPE html>
<html lang="en-US">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<script async src="https://www.googletagmanager.com/gtag/js?id=UA-22381566-4"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'UA-22381566-4');
</script>
<link href="https://fonts.googleapis.com/css?family=Chivo:900" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="style.css">
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link rel="shortcut icon" href="https://ismyhostfastyet.com/thinking.png">
<title>Is my host fast yet?</title>
<meta name="author" content="Rick Viscomi">
<meta name="description" content="A study of web host performance using real-world transparency data from Chrome UX Report and HTTP Archive.">
<meta property="og:title" content="Is my host fast yet?" />
<meta property="og:locale" content="en_US" />
<link rel="canonical" href="https://ismyhostfastyet.com/" />
<meta property="og:url" content="https://ismyhostfastyet.com/" />
<meta property="og:site_name" content="Is my host fast yet?" />
<script type="application/ld+json">
{"@type":"WebSite","url":"https://ismyhostfastyet.com/","name":"ismyhostfastyet","headline":"Is my host fast yet?","@context":"http://schema.org"}
</script>
<style>
p, td {
font-weight: 400;
}
section {
margin-bottom: 30px;
}
small {
font-size: small;
}
dd {
margin-left: 20px;
}
td {
vertical-align: middle;
}
#results.loading {
color: #ddd;
}
#results.loading .fast {
background-color: hsla(153, 0%, 34%, 1);
color: hsla(153, 0%, 34%, 1);
}
#results.loading .avg {
background-color: hsl(44, 0%, 62%);
color: hsl(44, 0%, 62%);
}
#results.loading .slow {
background-color: hsl(4, 0%, 56%);
color: hsl(4, 0%, 56%);
}
.ttfb {
width: 60%;
text-align: right;
}
.ttfb span {
display: inline-block;
overflow: hidden;
line-height: 30px;
font-size: 0.8em;
font-weight: bold;
text-shadow: none;
color: #fff;
}
.fast {
background-color: #0aa55f;
}
.fast:hover {
outline: 1px solid #0aa55f;
}
.avg {
background-color: #fbca42;
}
.avg:hover {
outline: 1px solid #fbca42;
}
.slow {
background-color: #dd493f;
}
.slow:hover {
outline: 1px solid #dd493f;
}
@media only screen and (min-width: 768px) {
.inner {
width: 800px;
}
code {
white-space: nowrap;
}
}
@media ((-webkit-min-device-pixel-ratio: 1.5), (min-resolution: 144dpi), (min-resolution: 1.5dppx)) {
p, td {
font-weight: 300;
}
}
</style>
</head>
<body>
<div id="container">
<div class="inner">
<header>
<h1>Is my host fast yet?</h1>
<h2>Real-world server response (Time to First Byte) latencies, as experienced by real-world users navigating the web.</h2>
</header>
<hr>
<section>
<h2>Leaderboard: August 2019</h2>
<form id="filter">
<label>
Sort by
<select name="sort">
<option value="fast" selected>Fast</option>
<option value="avg">Average</option>
<option value="slow">Slow</option>
<option value="platform">Host</option>
<option value="client">Client</option>
<option value="n">Websites</option>
</select>
</label>
</form>
<table>
<thead>
<th>Host</th>
<th>Client</th>
<th>Websites</th>
<th>Fast</th>
<th>Average</th>
<th>Slow</th>
</thead>
<tbody id="results"></tbody>
</table>
</section>
<section>
<p>
See a missing hosting provider?
<a href="https://github.com/rviscomi/ismyhostfastyet/blob/master/README.md#contribute">
Please help us identify how to surface them here.
</a>
</p>
</section>
<section>
<h2>How do you measure real-world Time to First Byte?</h2>
<p>
This report is powered by <a href="http://bit.ly/chrome-ux-report">Chrome User Experience Report</a>,
which provides user experience metrics for how real-world Chrome users experience popular
destinations on the web. As a result, this report does not rely on synthentic tests of
each hosting provider, but instead provides insight into how real-world users experience
the speed of sites hosted by various providers.
</p>
<h2>What is Time to First Byte?</h2>
<p>
TTFB is measured as the time from the start of navigation request until the time that the
client receives the first byte of the response from the server. It includes network setup time
(SSL, DNS, TCP) as well as server-side processing.
</p>
<img src="ttfb.png" loading="lazy" height="248" width="800" alt="Diagram showing TTFB as the network events from the prompt for unload to the response start">
<p>
As you can see in the <a href="https://w3c.github.io/navigation-timing/">Navigation Timing Level 2 draft spec</a>
screenshot above, the metric is equivalent to <code>performance.getEntriesByType('navigation')[0].responseStart</code>.
</p>
<h2>How do you determine: Fast, Average, Slow?</h2>
<p>
The thresholds for fast/average/slow TTFB are 200 ms as the upper limit for fast TTFB and 1000 ms
as the lower limit for slow TTFB.
</p>
<ul>
<li>
“fast” TTFB < 200 ms is based on the <a href="https://developers.google.com/speed/docs/insights/Server">server responsiveness</a>
best practice.
</li>
<li>
“slow” TTFB >= 1000 ms is based on the requirement for the fast First Contentful Paint (FCP) threshold
to be < 1000 ms. A server response that exceeds 1000 ms cannot, by definition, meet the fast FCP goal.
</li>
</ul>
<h2>What about other metrics, why just TTFB?</h2>
<p>
Chrome UX Report provides other metrics like First Paint, First Contentful Paint, First Input Delay,
and others. We plan to add more metrics to this report in the future. If you would like to help out,
please <a href="https://github.com/rviscomi/ismyhostfastyet">let us know on GitHub</a>.
</p>
<h2>How frequently is this reported updated?</h2>
<p>
Chrome UX Report publishes monthly datasets and this report is updated once a month based on that data.
</p>
<h2>How are the hosting providers detected?</h2>
<p>
Chrome UX Report does not provide an explicit dimension for which hosting provider
is associated with each origin. To perform the classification we rely on another
dataset: <a href="https://httparchive.org">HTTP Archive</a> crawls all of the origins provided
in CrUX and runs logic to identify providers based on header signatures, DNS records, and other signals.
</p>
<p>
For example, a response header of <code>X-Powered-By: HubSpot</code> for a website's HTML page indicates that
it is hosted by HubSpot.
</p>
<p>
Would you like to see a hosting provider included in this report that’s currently
not on the list? Please <a href="https://github.com/rviscomi/ismyhostfastyet/blob/master/README.md#methodology">read more about our methodology</a>
and <a href="https://github.com/rviscomi/ismyhostfastyet/">join us on GitHub</a> — we’d appreciate your help to
allow us to expand coverage of this report!
</p>
<h2>What about <em>X</em>?</h2>
<p>Good question! Please <a href="https://github.com/rviscomi/ismyhostfastyet/issues">start a discussion</a> on GitHub, so we can answer it.</p>
</section>
<footer>
ismyhostfastyet is maintained by <a href="https://twitter.com/rick_viscomi">Rick Viscomi</a>
</footer>
</div>
</div>
<script>
function makeRow(host, client, n, fast, avg, slow) {
const tr = document.createElement('tr');
let td = document.createElement('td');
td.innerText = host;
tr.appendChild(td);
td = document.createElement('td');
td.innerText = client;
tr.appendChild(td);
td = document.createElement('td');
td.innerText = isNaN(parseInt(n, 10)) ? n : (+n).toLocaleString();
tr.appendChild(td);
td = document.createElement('td');
td.setAttribute('colspan', 3);
td.className = 'ttfb';
let span = document.createElement('span');
span.className = 'fast'
span.title = `Fast: ${formatPct(fast)}`;
span.style.width = `${fast * 100}%`;
span.innerText = formatPct(fast);
td.appendChild(span);
span = document.createElement('span');
span.className = 'avg'
span.title = `Average: ${formatPct(avg)}`;
span.style.width = `${avg * 100}%`;
span.innerText = formatPct(avg);
td.appendChild(span);
tr.appendChild(td);
span = document.createElement('span');
span.className = 'slow'
span.title = `Slow: ${formatPct(slow)}`;
span.style.width = `${slow * 100}%`;
span.innerText = formatPct(slow);
td.appendChild(span);
return tr;
}
function formatPct(n) {
return (n * 100).toFixed(2) + '%';
}
function updateResultsTable(data) {
const results = document.getElementById('results');
// Clear any stale contents.
results.innerHTML = '';
const frag = document.createDocumentFragment();
data.forEach(i => {
const tr = makeRow(i.platform, i.client, i.n, i.fast, i.avg, i.slow);
frag.appendChild(tr);
});
results.appendChild(frag);
}
function sortResults(data, field) {
if (!(field in data[0])) return data;
return data.sort((a, b) => {
const diff = b[field] - a[field];
if (isNaN(diff)) {
// Do string comparison instead.
return a[field].localeCompare(b[field]);
}
return diff;
});
}
fetch('ttfb.json').then(r => r.text()).then(r => {
// Convert newline-delimited JSON to regular JSON.
r = r.trim().split('\n').reduce((a, i) => {
a.push(JSON.parse(i));
return a;
}, []);
window.data = r;
updateResultsTable(sortResults(r, 'fast'));
});
document.getElementById('filter').addEventListener('change', (e) => {
const field = e.target.value;
gtag('event', 'sort', {'event_category': 'engagement', 'event_label': field});
updateResultsTable(sortResults(window.data, field));
});
</script>
</body>
</html>